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03-12-2019, 19:53   #1
Meteorite58
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Charts ( Up to T120 ) Winter 2019 / 2020 ** READ MOD NOTE IN FIRST POST**

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Mod Note


This thread is for posting / discussing /analyzing charts up to T120 ( in the more reliable time frame).

If your post does not specifically relate to the charts then it doesn't belong here off topic posts will be moved- please use the Seasonal Discussion thread for general chat.

Thanks.


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Looking quite windy along coasts mainly in the W, NW and N on Thurs and blustery overland. Probably gusting around 80 to 90 km/h on coasts and 60 to 70 km/h overland, possibly a bit more on higher ground.

Heavy rain in the NW and to a lesser extent in the W





Last edited by Meteorite58; 03-12-2019 at 20:00.
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04-12-2019, 14:31   #2
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ECM 0Z showing very windy for Sunday in parts of the W, SW and S. Showing strong winds inland as well, 90 to 120km/h. Latest run a big jump in wind speeds but still a long way off. Other models not as windy but still showing 80 to 90 km/h gusts inland. Will see what the 12Z is showing.
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04-12-2019, 20:46   #3
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ECM 12Z looking as strong if not stronger on the latest run for Sunday with the strongest winds in the W, SW and strong overland as well .

This has a bit to play out yet but looking like large areas of LP feeding off each other driven by a very strong Jet creating a very large wind field which could produce storm conditions along the coasts, bit early to speculate how high the wind speeds will be overland but for the last couple of runs now the ECM hads been showing at least Orange warning levels and probably high at that.

Currently showing 100 to 130 km/h on coasts, up to 90 to 120 km overland more so coastal counties and 90 to 110km/h overland . Still just Weds but has locked on to this now for a few runs and the other models are starting to show stronger winds especially the ARPEGE.

Also of note is the duration of the high winds being shown, possibly gusting over 90 to 100km/h for 12 to 15hrs along with the higher gusts along W and SW coasts














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04-12-2019, 20:49   #4
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ARPEGe 12Z showing very windy countrywide on Sunday, not as strong as the ECM but it is still a bit far out for this model.

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04-12-2019, 20:53   #5
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ICON 12Z showing the strong winds rising from later Sat evening and showing Kerry getting very strong winds on this run. This too was a jump up in wind speeds on the latest runs.

GFS windy on coasts but not as strong as the other models.

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04-12-2019, 22:26   #6
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GFS stronger looking for Sunday on the 18Z run.


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08-12-2019, 22:28   #7
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Windy and blustery at times this week coming. Models showing strong wind potential towards Thurs /Fri

Looks very wet on Tuesday .

Very cold later Tuesday into Weds with wintry precipitation and also wintry precip. possible early Thurs in Northern counties. Very wet again on Thurs.

Wintry looking next weekend also.

Rough wet and cold week in general coming up.



















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08-12-2019, 22:42   #8
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The Jet very strong towards the end of the week when strong winds are expected. Another one to watch



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09-12-2019, 14:30   #9
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Quote:
Originally Posted by Meteorite58 View Post
The Jet very strong towards the end of the week when strong winds are expected. Another one to watch



With a very strong jet and MTs forecast speculating high energy event around the Christmas period. I would not be surprised if we did get something historic after all the criticism of Met Eireanns warning mechanism.
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09-12-2019, 20:11   #10
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Milder as the fronts go through on Tuesday and then under a cooler air mass with temperatures dropping quickly and the EURO 4 showing plenty of wintry showers. ECM showing a small bit of accumulation for awhile on mountains and possibly the highest hills . Could be a lot of hail showers with Lightning possible, blustery showers, more so along Atlantic Coastal Counties.


















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09-12-2019, 23:24   #11
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I think it was Oneiric 3 that mentioned a possible squall line forming as the front crosses the country tomorrow, will be keeping an eye in the early afternoon.



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11-12-2019, 19:56   #12
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Looking quite windy along Atlantic coasts tomorrow evening into early Fri. The strong wind core showing up on the charts for Fri night looks to pass offshore to the S, still a bit windy in the W/ SW though.











The disturbance to the S of Ireland on Fri evening. Westerly airflow dragging in cold air mass late Fri early Sat. Temperatures Sat only about 3 to 7C










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11-12-2019, 20:14   #13
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Temperatures staying on the cold side out to +120 hrs .

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11-12-2019, 21:57   #14
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Saturday is looking very interesting for the South especially.
If the trend continues tomorrow it may deserve it's own thread!! Certainly a fair chance of high ground snow falling
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12-12-2019, 00:22   #15
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Yes I looked at GFS earlier and there were PURPLES north of us....not blues. What the hell does purple mean?
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