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08-08-2016, 06:40   #4171
M.T. Cranium
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Monday, 8 August, 2016

Forecasts for Ireland



TODAY ... Partly cloudy with passing showers, one or two briefly heavy or squally with a risk of thunder. Winds west to northwest 40-60 km/hr but some higher gusts in exposed Atlantic counties. Highs 15-18 C.

TONIGHT ... Partly cloudy, isolated showers, still rather breezy, lows 8-10 C.

TUESDAY ... Cloudy with a few sunny intervals, isolated showers, highs 16-19 and moderate northwest breezes, backing more to westerly.

WEDNESDAY ... Partly cloudy, just a few isolated showers, lows 7-10 C and highs 15-19 C.

THURSDAY ... Sunny intervals, cloudy at times near west coast, rain by evening there. Lows 7-9 C and highs 17-20 C.

FRIDAY ... Some outbreaks of light rain in Connacht and Ulster and parts of west Munster, warmer. Lows near 12 C and highs near 21 C.

SATURDAY ... Warm, rather humid. A few morning showers mostly in north, lows near 13 C and highs near 22 C.

OUTLOOK ... Quite warm to about Tuesday 16th, then a more showery pattern for a few days with temperatures closer to normal. Warmth may return at times, as the pattern remains quite warm over Britain and the near continent.

The heat wave in Spain and Portugal has about two days more to go before much cooler air arrives for mid-week. It was rather hot in France on Sunday too and this will continue across the south until late today, but northern France, like Britain, will be turning much cooler today (highs 17-20 C).

My local weather on Sunday was overcast and rather cool, with highs only reaching 18 C.
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09-08-2016, 07:10   #4172
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Tuesday, 9 August, 2016

Forecasts for Ireland



TODAY ... Mostly cloudy in the north, but partly cloudy with some good sunny spells in the south. Just a few brief and isolated showers but remaining dry in parts of the east and southeast. Highs 15-18 C.

TONIGHT ... Overcast, light rain or drizzle in parts of north and west, lows about 10 C.

WEDNESDAY ... Cloudy with a few sunny breaks, occasional rain in north Connacht and west Ulster, patchy light drizzle elsewhere but some dry spells, highs 17-19 C.

THURSDAY ... Partly cloudy south, overcast with showers north, lows 9-12 C and highs 18-21 C.

FRIDAY ... Mostly cloudy, some intervals of light rain north, becoming quite warm across the south. Lows 10-13 C and highs 18-22 C.

SATURDAY ... Partly cloudy, a few showers in northern and central counties, lows near 11 C and highs near 21 C.

SUNDAY ... Sunny intervals, warm. Lows 11-14 C and highs 20-23 C.

OUTLOOK ... Quite warm early next week, potential for highs to reach 25 C then frequent showers and a bit cooler later in the week. Another warm and dry spell could then follow.

In Britain, basically the same evolution although with considerably warmer temperatures possible by early next week when 28-32 C is possible in parts of England.

Meanwhile, this should be the last in a series of very hot days in Spain and Portugal with the cooler air now over most of France continuing to push further south tonight and early tomorrow.

My local weather on Monday was overcast with a few brief sunny breaks and the high was about 20 C.
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10-08-2016, 06:54   #4173
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Wednesday, 10 August, 2016

Forecasts for Ireland



TODAY ... Cloudy with a few sunny breaks, occasional rain in Connacht and Ulster (2-5 mm), patchy light drizzle elsewhere but some dry spells, highs 15-18 C.

TONIGHT ... Overcast, some fog or mist, light rain in parts of the north, lows about 10 to 12 C.

THURSDAY ... Partly cloudy south, a little warmer, overcast with showers north, and highs 18-21 C.

FRIDAY ... Mostly cloudy, some intervals of light rain north, becoming quite warm across the south. Lows 10-13 C and highs 18-22 C.

SATURDAY ... Partly cloudy, a few showers in northern and central counties, lows near 11 C and highs 18 to 21 C.

SUNDAY ... Sunny intervals, hazy, warm. Lows 11-14 C and highs 20-23 C.

MONDAY ... Sunny with cloudy intervals, warm. Lows 12-15 C and highs near 21 C south and east, to 25 C west and inland north.

TUESDAY ... Increasing cloud, very warm, risk of showers or thunderstorms by late in the day. Lows 15-18 C and highs 22-26 C.

WEDNESDAY ... Breezy, showers or thunderstorms, cooler. Highs near 18 C.

FURTHER OUTLOOK ... The rest of August according to current guidance will average near normal or slightly above normal at times for temperature and there will be about the average amount of rainfall for the period, possibly a bit less in the southeast.

Over in BRITAIN, most of this forecast period will produce similar results but the very warm spell early next week is likely to be hot in parts of England where highs could reach or exceed 30 C. The thundery breakdown mid-week could then produce some severe storms there.

My local weather on Tuesday was quite unusual, drizzle was observed for several hours (from about 0900 to 1400h), not much of a radar signature and definitely very small droplets but wetting the ground, and it was rather warm considering the lack of sun at 20 C. We are now expecting a few days of sunny and very warm weather.
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11-08-2016, 07:47   #4174
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Thursday, 11 August, 2016

Forecasts for Ireland



TODAY ... Overcast in the north with occasional light rain, highs 15-18 C, but partly cloudy and warm in south with highs 18-22 C.

TONIGHT ... Overcast except for some breaks in southeast, some chance of seeing Perseids meteor shower there, lows 8-12 C.

FRIDAY ... Mostly cloudy north, some rain at times, increasing cloud south, a few showers could develop if the northern rain band holds together long enough, some places may have a dry day however. Highs 19-22 C.

SATURDAY ... A mixture of cloud and sun with the risk of a few showers in the north mostly, lows 10-13 C and highs 18-21 C.

SUNDAY ... Hazy sunshine, warmer, lows 10-13 C and highs 19-23 C warmest inland due to weak sea breezes on most coasts. There could be persistent low cloud or fog banks near south coast however.

MONDAY ... Hazy sunshine, very warm. Lows 12-16 C and highs 20-25 C, once again warmest inland and especially towards the west as more of a southeast breeze will develop.

TUESDAY ... Increasing cloud, very warm, showers and thunderstorms likely by afternoon west, evening east. Lows 14-18 C and highs 21-24 C.

WEDNESDAY and THURSDAY are looking rather showery and cooler in west to northwest winds, highs near 18 C. About 10-20 mm of rain is likely in this interval (including what falls on late Tuesday) although there is potential for a few locations to get 30 to 50 mm.

FURTHER OUTLOOK ... Some decent dry spells later in the week and towards the weekend of 20th-21st, temperatures edging back to normal or a little above (near 20-21 C).

The outlook will be similar for Britain except that Monday and Tuesday will produce some highs near 30 C in parts of England. A thundery breakdown will take place on Wednesday there.

My local weather improved a little on Wednesday with cloud beginning to thin out by afternoon and clear skies this evening. I am going out for an early look for Perseids although tomorrow I hope to be out of the city taking advantage of expected clear skies and the peak of the event. As a result, the forecast could be a bit late appearing on Friday morning there.
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12-08-2016, 06:25   #4175
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Friday, 12 August, 2016

Forecasts for Ireland



TODAY ... Mostly cloudy north, some rain at times, morning sunny intervals then increasing cloud and warm south, a few showers could develop by evening if the northern rain band holds together long enough, some places may have a dry day however. Highs 19-22 C.

TONIGHT ... Spotty showers moving away from the southeast with partial clearing to follow, lows 10-13 C.

SATURDAY ... A mixture of cloud and sun with the risk of a few isolated showers in the north mostly, lows 10-13 C and highs 18-21 C.

SUNDAY ... Hazy sunshine, warmer, lows 10-13 C and highs 19-23 C warmest inland due to weak sea breezes on most coasts. There could be persistent low cloud or fog banks near south coast however.

MONDAY ... Hazy sunshine, very warm. Lows 12-16 C and highs 20-25 C, once again warmest inland and especially towards the west as more of a southeast breeze will develop.

TUESDAY ... Increasing cloud, very warm and humid, showers and thunderstorms likely by afternoon west, evening southeast, spreading to Ulster by later overnight hours. Lows 14-18 C and highs 21-24 C.

WEDNESDAY and THURSDAY are looking rather showery and cooler in west to northwest winds, highs near 18 C. About 10-20 mm of rain is likely in this interval (including what falls on late Tuesday) although there is potential for a few locations to get 30 to 50 mm. There could be a good amount of sunshine in Munster and south Leinster by Thursday.

FRIDAY will bring another surge of warm, humid air and a few more intervals of rain to follow, but this should clear away before the weekend or at least by the first part of Saturday in the last areas to clear in the northeast, and then it should once again become warm and dry for a few days, possiibly as long as a week according to some guidance this morning.

The warm spell next week will be more like a heat wave in parts of southern England where highs could reach 30 C, and the thundery breakdown there will probably arrive Wednesday.

My local weather on Thursday was sunny and very warm, so we took advantage of the good conditions and went sight-seeing in the nearby mountains, visibility was at least 100 kms. It's clear tonight here and I'm hoping to see a few of the Perseids after midnight, went out briefly already and noticed that Mars has made quite a bit of progress towards Saturn (and Antares below it) in the past two weeks, making that triangle in the southern sky a lot smaller now; the half moon is in that general part of the sky also (if you have clear skies tonight there, the Moon will be located just above Saturn, with Mars a brighter object off to the right of them).
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13-08-2016, 07:34   #4176
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Saturday, 13 August, 2016

Forecasts for Ireland



TODAY ... A mixture of cloud and sun (more chance of sunshine in the south) with the risk of a few isolated showers in the north mostly, and highs 18-21 C.

TONIGHT ... Clear intervals, lows 10-13 C.

SUNDAY ... Hazy sunshine, warmer, highs 19-23 C warmest inland due to weak sea breezes on most coasts. There could be persistent low cloud or fog banks near south coast however.

MONDAY ... Hazy sunshine, very warm. Lows 12-16 C and highs 20-25 C, once again warmest inland and especially towards the west as more of a southeast breeze will develop.

TUESDAY ... Increasing cloud, very warm and humid, showers and thunderstorms likely by evening or overnight in western counties.
Lows 14-18 C and highs 21-24 C.

WEDNESDAY ... Occasional showers, risk of a thunderstorm, highs near 18 C.

THURSDAY ... Some sunny intervals in south, scattered showers further north, highs near 18 C.

FRIDAY ... Rain likely at times, highs near 20 C.

FURTHER OUTLOOK ... Guidance is now scattered between a return to warm, dry conditions and the continued influence of passing fronts in a westerly regime, so for the time being we'll mark this as undecided.

It is still likely to be warmer in Britain next week although some guidance has slightly backed away from the heat shown earlier and highs of about 27-28 C seem more likely now, but at the same time the push of cooler air and a thundery breakdown may be less defined too.

My local weather on Friday was excellent, sunny and very warm (29 C), and the weekend is expected to continue on like that.
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14-08-2016, 07:26   #4177
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Sunday, 14 August, 2016

Forecasts for Ireland



TODAY ... Rather cloudy with a few sunny breaks developing in the south and west by afternoon. Highs 18-20 C in light winds.

TONIGHT ... Some clear intervals developing inland, rather cloudy around coastal counties, mist or fog patches, lows 11-15 C.

MONDAY ... A mixture of cloud and sun, warmer, highs 21-24 C inland, more chance of low cloud and offshore fog banks around coastal east and south with highs there about 18 C.

TUESDAY ... Increasing cloud, some showers developing by evening near south and west coasts, warm. Lows 13-17 C and highs 21-24 C.

WEDNESDAY ... Occasional showers, cooler, Lows 12-15 C and highs 17-20 C.

FURTHER OUTLOOK ... After some breaks on Thursday, another interval of showers or rain late in the week may persist into Saturday 20th, then gradual improvement but the pattern now looks rather variable with further intervals of showers at intervals of 2-3 days with the odd dry day in the mix, and temperatures not far from normal late August values of 19-20 C.

Highest temperatures in southern England are now expected to be around 27 mid-week, but it will be humid enough to give a humidex in the low 30s there.

My local weather on Saturday was sunny and hot, with a high near 30 C.
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15-08-2016, 07:29   #4178
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Monday, 15 August, 2016

Forecasts for Ireland



TODAY ... Hazy sunshine except for some low cloud persistent near some coasts (mainly south), warmer. Highs 21-25 C inland and west, 18-21 C around south and parts of east coast. Light southeast breezes becoming moderate at times by afternoon.

TONIGHT ... Hazy, close and very mild, lows 12 to 16 C.

TUESDAY ... Increasing cloud, warm and humid, highs 21-25 C, showers and a few thunderstorms likely by late afternoon or evening in Munster, south Connacht, spreading to other regions overnight.

WEDNESDAY ... Occasional showers with risk of a thunderstorm, lows near 14 and highs near 20 C.

THURSDAY ... Variable cloud, somewhat more sunshine likely but also a few more showers, lows near 12 C and highs near 18 C.

FRIDAY and SATURDAY will be unsettled with frequent showers, rather gusty winds at times (south to southwest 40-70 km/hr) and highs near 18 C.

OUTLOOK continues to look variable but near average overall with frontal systems passing every two or three days with brief dry intervals between them, timing this far out is not very reliable but the overall trend looks close to long-term averages, trending to very warm in Britain, so there could be the odd rather warm day in southeast Ireland too during the second half of August.

My local weather has continued very warm and sunny, Sunday's high was about 28 C.
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16-08-2016, 07:16   #4179
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Tuesday, 16 August, 2016

Forecasts for Ireland


ADVANCE ALERT for developing heavy rainfall situations on Wednesday and again on Friday-Saturday. Both systems could produce 20-40 mm of rain and spot flooding.


TODAY ... Sunny intervals, very warm, hazy with increasing cloud by afternoon. Highs 21-25 C. Some low cloud and drifting fog near outer southwest coasts.

TONIGHT ... Overcast except for some clear intervals in east Ulster, showers and a few thunderstorms slowly advancing from southwest towards central counties and Connacht, some 5-15 mm amounts. Likely remaining dry in east and northeast. Warm and close, lows 13-17 C.

WEDNESDAY ... Heavy showers and some embedded thunderstorms slowly advancing further east, some 20-40 mm falls possible in parts of midlands, inland southeast, watch for spot flooding on roadways. Highs 18-20 C.

THURSDAY ... During the early morning hours the heavy showers will likely diminish considerably before pushing further east, overnight lows 10-13 C, then some sunny intervals may develop briefly with highs 18-21 C before cloud increases from an advancing Atlantic low off to the southwest; this may spread some rain into west Munster by evening.

FRIDAY ... Windy and wet, 20-30 mm rainfalls possible, winds east to southeast 40-70 km/hr, lows near 12 C and highs near 17 C. Becoming foggy over hills by late in the day. It's not looking like a very good day for any outdoor activities.

SATURDAY ... Rain followed by scattered showers, strong winds shifting to southwest 40-70 km/hr as the Atlantic low drifts north through western counties (where winds may briefly pause as the centre passes), lows near 11 and highs 17 to 19 C, further rainfalls of 10-15 mm.

SUNDAY ... Some minor improvements to mainly cloudy with isolated showers and winds falling off to moderate, lows near 10 C and highs near 19 C.

FURTHER OUTLOOK ... More disturbed weather appears likely around Tuesday and Wednesday of next week with another strong low possible then. Some improvement may then develop for a few days but the very long range charts show a tropical remnant low in the vicinity near the end of the month (low confidence in that).

Over in BRITAIN the warm spell will be a little stronger (26-28 C) and the thundery breakdown will arrive rather gradually through late Wednesday and will persist to some extent on Thursday; the Friday-Saturday event will produce similar weather to the above forecast for Ireland across Wales, northern England and Scotland but it will be somewhat warmer in southern England with scattered showers and a southerly wind rising to 60 km/hr.

My local weather continued sunny and very warm on Monday with a high near 26 C. Heavy rain is developing across the lower Great Lakes and may bring some flooding to parts of Ohio, southern Ontario and upstate New York today. Severe heat continues along the east coast of the U.S.; Washington D.C. has hit 100 (F) the past three days with humidex values near 45 C.

A strong cold front brought severe wind gusts and squally showers to Rio on Monday, before that arrived it was 33 C briefly. It appears that lightning set off some bush or forest fires in the vicinity also.
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17-08-2016, 07:16   #4180
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Wednesday, 17 August, 2016

Forecasts for Ireland


ALERT for heavy rainfalls in western Galway and Mayo today, 30-50 mm with local flooding possible. Also, ALERT for scattered heavy rainfalls in some other parts of Connacht and midlands later today, 20-40 mm possible, isolated road flooding could develop. ADVANCE ALERT for heavy rainfalls Friday to Sunday (marginal on a day to day level but the cumulative amounts in some parts of inland southeast may reach 40 mm).


TODAY ... Heavy showers and some embedded thunderstorms slowly advancing further east, very heavy at times in western Galway and Mayo where 30-50 mm could cause flooding around places like Newport, Westport and Clifden ... some 20-40 mm falls possible in parts of midlands, inland southeast, watch for spot flooding on roadways there. Somewhat less rain likely in parts of central Munster and east Ulster, 5-15 mm, and the rain may not be very heavy in east coast counties until late afternoon or evening. There will be some sunny breaks in a few locations between these bands of showers, highs 18-20 C. Turning somewhat cooler in Atlantic coastal counties by afternoon as winds become light northerly there.

TONIGHT and THURSDAY (full moon 10:37 IST) ... Heavy showers or thunderstorms could develop around Dublin, Meath and east Ulster overnight while elsewhere, during the early morning hours, the heavy showers will likely diminish considerably, with overnight lows 10-13 C, then some sunny intervals may develop briefly tomorrow with highs 18-21 C before cloud increases from an advancing Atlantic low off to the southwest; this will begin to spread some rain into west Munster by evening.

FRIDAY ... Windy and wet, 20-30 mm rainfalls possible, winds east to southeast 40-70 km/hr, lows near 12 C and highs near 17 C. Becoming foggy over hills by late in the day. It's not looking like a very good day for any outdoor activities.

SATURDAY ... Rain followed by scattered showers, strong winds shifting to southwest 40-70 km/hr as the Atlantic low drifts north through western counties (where winds may briefly pause as the centre passes), lows near 11 and highs 17 to 19 C, further rainfalls of 10-15 mm, heaviest around Kildare and Laois, west Wicklow.

SUNDAY ... Some minor improvements to mainly cloudy with isolated showers and winds falling off to moderate during the morning, lows near 10 C, then another pulse of heavier showers and gusty winds by late afternoon and evening (southwest 40-60 km/hr at times) with highs near 19 C. Some rainfalls of 10-20 mm by midnight.

MONDAY ... Variable cloud, breezy, showers, highs near 18 C.

TUESDAY ... Breezy or windy, showers or intervals of rain, highs near 19 C.

FURTHER OUTLOOK ... Minor improvements later in the week but charts are showing another strong disturbance timed for about Saturday 27th that will move in from the south with possible heavy rainfalls. This could go either way as there is expected to be a surge of hot and humid air from the south heading for Britain with this system; if that were to shift west then parts of Ireland could get into very warm air for part of that period, a shift further east would move the heavier rain into western Britain instead. Then charts for the week of late August into early September show somewhat warmer weather as the jet stream shifts well to the north (but this could change too).

My local weather on Tuesday was sunny and warm with highs near 28 C.
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18-08-2016, 07:29   #4181
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Thursday, 18 August, 2016

Forecasts for Ireland



TODAY ... The last of the rain will slowly clear from east Ulster this morning, and the rest of Ireland will have mostly cloudy skies with a few sunny breaks developing around mid-day. Then the first wave of moisture from a new Atlantic depression will reach southwest Munster by evening. Highs 18-20 C and rather humid, light winds generally.

TONIGHT ... Heavy rain with a risk of thunderstorms will spread along the south coast accompanied by gale force southeast wind gusts at times, expect 15-25 mm (potential for isolated heavier amounts), but further inland amounts will be progressively lower during the night, albeit with the same gusty winds and some fog developing, lows about 12 C. Winds southeast 40-70 km/hr in exposed locations.

FRIDAY ... Some of the heavier rain will slowly spread north in Leinster, amounts will probably be about 15-20 mm inland trending down towards the north and along the east coast, and also lighter amounts in other regions although some isolated heavy showers are possible. The strong winds will ease slightly for many as the low approaches the west coast, but strong gusts to about 80 km/hr from south veering southwest are likely in Cork, Waterford and Kerry. Highs 15-19 C.

SATURDAY ... Intervals of rain, some rather heavy but more typically light and showery, eventually an additional 20-30 mm could fall in some central and northern counties. Winds becoming southwest 40-70 km/hr. Lows near 13 C and highs near 18 C.

SUNDAY ... Variable cloud during the morning, showers ending for a time, then another surge of moderate to heavy rain from west later in the day, as winds increase again to 50-80 km/hr from south to southwest. Rather warm and humid, lows near 14 C and highs near 20 C.

MONDAY ... Partly cloudy, breezy, isolated showers. Lows near 12 C and highs near 19 C.

OUTLOOK ... Another fairly strong frontal system will pass on Tuesday with more rain and gusty winds, then improvements are likely later in the week with only small amounts of rain and some sunny intervals, highs near 20 C. The system we were discussing for Saturday 27th is now looking weaker and will likely dissolve over southwest England before doing too much, so the slightly unsettled conditions may just continue in Ireland while a few thunderstorms roll into western Britain and hot, humid air spreads north from France into eastern England. There could be heavy storms as a result in some parts of Britain. The last few days of August at this point are looking rather warm with some sunny intervals, highs near 23 C.

My local weather continues very dry and hot with highs near 29 C. I will be heading out at 0230h local time here (1030h there) to see the full moon partially eclipsed (a penumbral eclipse event).

The weather for Rio has been generally warm and dry the past few days and will continue that way today and Friday, part of Saturday then just before the closing ceremonies a very strong front will arrive with much colder air rushing in from the southwest. Highs until then will be near 30 C but temperatures will fall quickly to near 15 C on Sunday with heavy rain, thunderstorms and strong wind gusts perhaps as strong as 110 km/hr in the region -- I think the marathon events will be interesting to watch just for that reason (unless they move up to Saturday to avoid this). The air mass covering southern Brazil and Uruguay will be cold enough for hill snow and night frosts but the coldest it will likely get in Rio is about 12 C by Monday morning as everyone is leaving town. (then it will clear up and be spectacular next week, oh well).
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19-08-2016, 07:00   #4182
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Friday, 19 August, 2016

Forecasts for Ireland



TODAY ... Rain will continue to push further north with some breaks between bands of showers following from southwest, as winds slowly veer from southeast 50-80 km/hr to southwest in Munster, south elsewhere. Further rainfalls of 10-20 mm are likely. Highs 18-20 C.

TONIGHT ... Strong wind gusts will ease in parts of Munster and Connacht as the low centre passes close to the west coast, but it will remain very breezy further east (southerly 40-60 km/hr). About 5-10 mm further rain will fall in many parts of the country with lows 12-14 C.

SATURDAY ... Windy and showery with just a few brief brighter intervals developing. Winds southwest 40-70 km/hr. About 10-20 mm rain and highs of about 16-18 C.

SUNDAY ... Morning sunny breaks, then further rain sweeping in from the west, about 10 mm for most. Lows near 14 C and highs 19-21 C.

MONDAY ... Breezy, showers, highs near 19 C.

TUESDAY ... Variable cloud, isolated showers, highs near 20 C.

OUTLOOK ... Rather warm later in the week, isolated showers or thunderstorms at times, highs 21-24 C. At some point there could be outbreaks of rather heavy showers but this seems more likely towards Friday or Saturday (27th).

My local weather on Thursday was sunny and hot with highs near 30 C. The outlook for Rio and the end of the Olympics remains the same -- a sudden drop in temperatures on Sunday with rain, thunderstorms and gusty winds.
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20-08-2016, 06:56   #4183
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Saturday, 20 August, 2016

Forecasts for Ireland



TODAY ... Low pressure will now track across north Leinster and by tonight will be located near southwest Scotland. Counties north of this track mainly in Ulster will have rather light east winds increasing to moderate northerly, periods of rain and highs near 15 C. Counties near the track will have light and variable winds, fog, drizzle then heavier showers and increasing northwest winds this afternoon, highs near 16 C. The southern half of the country will continue to have strong southwest to west winds of 50-80 km/hr, squally showers and the risk of a thunderstorm with highs near 18 C. Rainfalls will average about 10 mm in the north to 25 mm west-central to east and northeast, and about 15-20 mm near the south coast.

TONIGHT the showers will become light and drizzly then some fog will develop, winds will slowly abate and lows will reach about 11 C.

SUNDAY could start out partly cloudy in the east, overcast west, then rain will develop as winds increase to south-southwest 40-60 km/hr. Rather warm and humid with highs reaching 20 C.

MONDAY will have some variable cloudiness and some overcast periods with a few more showers likely, lows near 14 C and highs near 20 C.

TUESDAY will see a band of rain slowly returning from the south and this could become heavy in parts of south Leinster, moderate into the midlands and east Munster, but further west and north it could remain dry longer. Rather warm, lows near 14 C and highs near 22 C.

WEDNESDAY to FRIDAY are currently looking rather warm and although somewhat unsettled there could be longer intervals of sunshine too, with highs reaching 23 or even 24 C.

FURTHER OUTLOOK calls for showers and thunderstorms around the weekend of 27th-28th, further unsettled but warm weather, highs staying above normal in the low to mid 20s.

During the period, BRITAIN will gradually become very warm or even hot, and quite humid, with highs in southern England sometimes approaching 30 C. Heavy and possibly severe storms could develop in a frontal zone across western Britain at times (this could also spread back into southeast Ireland at times but the prospects look more certain for intense storms in Wales and southwest England in the coming week). Anyone with travel plans to France around middle of next week should be forewarned that it could be excessively hot and humid there (around 36 C possibly with heat index above 40).

My local weather is also hot and sunny, Friday's high was about 32 C at my location and 36 C further inland. Portland Oregon hit 38 C. There have been very severe forest and bush fires in parts of California for several weeks now and we are getting elevated smoke layers in our sunsets making them quite vivid. The eastern half of North America has recently been closer to average August warmth of 28-31 C.
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21-08-2016, 06:52   #4184
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Sunday, 21 August, 2016

Forecasts for Ireland



TODAY ... Mostly cloudy, outbreaks of rain slowly spreading further east from Kerry and Cork, eventually covering most counties but amounts generally around 5-10 mm. Rather warm and humid with highs 18-20 C.

TONIGHT ... A few more pulses of light rain likely, 2-5 mm, lows 13-15 C, some fog by morning.

MONDAY ... Light rain becoming more confined to southeast, occasional sunny breaks further west and north, highs 19-21 C.

TUESDAY ... Rain will redevelop across the inland southeast, spreading north towards north Leinster and east Ulster. Further west, it may remain partly cloudy or even sunny, lows will be 12-15 C and highs 18-20 C in the rain but perhaps 21 or 22 C further west.

WEDNESDAY and THURSDAY will be partly cloudy, rather warm days with light winds and just the risk of a few isolated showers. Lows near 12 C and highs could reach 22 or 23 C inland, 20 C around coastal districts.

FRIDAY may show a slight decline to cloudy with a few sunny breaks and more extensive scattered but light showers, lows near 14 C and highs near 21 C.

SATURDAY looks rather showery at this point with moderate south to southwest winds. Highs near 20 C.

FURTHER OUTLOOK is for rather unsettled weather to end the month and some chance of a brief cooldown around the first of September lasting a day or two with a return to the low 20s to follow that.

Next week will be several degrees warmer in southern Britain (southeast and south central England in particular) with highs 25-28 C. It will be well into the 30-35 range in most of France with even higher heat index or humidex values.

My local weather on Saturday remained sunny and hot with a high close to 30 and 35 not far inland. Today (Sunday) is expected to see an abrupt end to our heat wave with showers and thunderstorms developing late in the day and gusty winds, followed by a sharp drop in temperature to about 17 C. Oddly enough this is more or less the forecast for Rio today as well although their front will arrive soon after sunrise and perhaps during the marathon event which may make it difficult -- their official forecast calls for winds gusting to 100 km/hr and possible tree and roof damage (I suppose the criterion for roof damage may be rather low there in poorer sections of the country). The front is currently just to the west of Sao Paolo and should arrive in Rio about 0800h local time. Current temperatures range from 24 C in Rio to 17 C near the front and 12 C in Porto Alegre where it's starting to clear, then 4 C in clear skies in Uruguay. Could be a touch of frost in coffee producing regions west of Sao Paolo on Monday morning.
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22-08-2016, 06:29   #4185
M.T. Cranium
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Monday, 22 August, 2016

Forecasts for Ireland



TODAY ... Mostly cloudy although some brighter spells likely in the northwest, however some light rain currently moving slowly through the southeast will stall there and begin to edge back west and north by late in the day; about 5 to 10 mm could fall in south Leinster. Highs generally 17-20 C warmer in the inland northwest and central counties.

TONIGHT ... Rain will become heavier while drifting further north into the midlands and central Leinster, with 10-15 mm potential. Further west and north it will remain largely dry but overcast. Lows 12-15 C.

TUESDAY ... Rain in Leinster will gradually taper off to drizzle before ending, other regions will be partly cloudy and rather warm. Highs 17-21 C, warmer inland west.

WEDNESDAY and THURSDAY will be generally bright and rain-free other than some very brief showers over parts of north Connacht and west Ulster, and it will be rather warm with lows 10-13 C and highs 19-22 C.

FRIDAY will continue mainly dry but mostly cloudy with perhaps a slight increase in the western shower activity, lows 11-14 C and highs 17-20 C.

SATURDAY may bring a spell of heavy rain especially for Munster and the south midlands where 20-30 mm is indicated. Lows near 14 C and highs held down to 17 or 18 C in the rain (parts of Ulster could be a bit warmer as rain holds off there).

SUNDAY will be cloudy and cool with lows of 8-10 C and highs near 16 C.

FURTHER OUTLOOK calls for unsettled and seasonable temperatures as August ends, highs will be about 17-19 C.

Over in BRITAIN the mid-week warm spell will produce hot and humid conditions with just a few isolated showers or thunderstorms, highs 27-30 C.

My local weather on Sunday was partly cloudy and somewhat cooler at 24 C, a line of showers passed without dropping any rain at my location and now we're into a much cooler northwesterly flow, expecting a high of only 19 C today (Monday).
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