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Will there be an air frost tonight? (28th May)

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  • 28-05-2007 9:55pm
    #1
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭


    4.8C and falling under clear sky. :eek:

    Grass temp already -1C

    I've just covered spuds, sweet corn, courgette, pumpkin...

    I think I'll set the alarm clock for really early to spray some water early to wash off the frost before sunrise as I didn't have enough to cover everything.

    I could be over reacting, but better safe than sorry.


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    #2
    arctictree
    Registered Users Posts: 4,291 ✭✭✭arctictree


    Mothman wrote:
    4.8C and falling under clear sky. :eek:

    Grass temp already -1C

    I've just covered spuds, sweet corn, courgette, pumpkin...

    I think I'll set the alarm clock for really early to spray some water early to wash off the frost before sunrise as I didn't have enough to cover everything.

    I could be over reacting, but better safe than sorry.

    4.3c here and dropping rapidly.

    Damn - my spuds are about a foot high - too high to be covered by straw. Could be wiped out tonight....


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    #3
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    arctictree wrote:
    4.3c here and dropping rapidly.

    Damn - my spuds are about a foot high - too high to be covered by straw. Could be wiped out tonight....

    I'm serious with that water trick. Spray them down before the rising sun hits them.

    I don't know how much spuds you have, but even laying a bit of straw ontop could help. If some wind blows it off, well you won't have a frost.

    4.1C now.


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    #4
    Supercell
    Registered Users Posts: 15,335 ✭✭✭✭Supercell


    Its 4.7°C here and you are usually colder than me by about 2°C in conditions like this, going to be close is my guess.

    I'm going for 2.1°C as the min here tonight with ground frost.
    https://www.loughlinstown.ie

    Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/



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    #5
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    3.7c


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    #6
    arctictree
    Registered Users Posts: 4,291 ✭✭✭arctictree


    Mothman wrote:
    I'm serious with that water trick. Spray them down before the rising sun hits them.

    I don't know how much spuds you have, but even laying a bit of straw ontop could help. If some wind blows it off, well you won't have a frost.

    4.1C now.

    Only 4 x 20 foot rows. Right - I'm off to cover them in straw! Will water them early in the morning too....

    A


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    #7
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    3.1C

    DP 1.4C, but with me this seems to drop quite readily.

    The air frost will be touch and go, but grass temp may well be 4-5C colder.


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    #8
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    Stalled for now at 2.9/3.0C


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    #9
    arctictree
    Registered Users Posts: 4,291 ✭✭✭arctictree


    3.1c here now. Just covered the spuds with straw - hope they'll be OK.

    My neighbour has a couple of acres of spuds and he's in a frost hollow - could be very risky but then he's been growing them for 50 years at least so he should know what to do...

    A


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    #10
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    arctictree wrote:
    My neighbour has a couple of acres of spuds and he's in a frost hollow - could be very risky but then he's been growing them for 50 years at least so he should know what to do...

    A

    Burn straw bales upwind.......if you know where upwind is...


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    #11
    rc28
    Registered Users Posts: 2,246 ✭✭✭rc28


    7.4c here atm.


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    #12
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    A few clouds have drifted over and the DP is rising.
    Grass temp now above zero.

    Temp 3.1C
    DP 2.1C


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    #13
    Supercell
    Registered Users Posts: 15,335 ✭✭✭✭Supercell


    Same here, dropped to 3.4, now 4.0.

    I can't wait to compare numbers with you Mothman once I have proper kit installed, should be interesting.
    https://www.loughlinstown.ie

    Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/



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    #14
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    Still climbing.
    3.6C
    DP 2.6C

    Slight NNE wind bring in some maritime air.


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    #15
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    In the end the AWS got down to +0.3C, though the official min is 0.7C with grass temp of -3.4C, just low enough for a visible frost, but not to cause damage.
    The AWS is a little further down the field, and slightly more sheltered than the stevensons screen.

    At 5am, plenty of low temps around the country.
    Dublin AP +0.3C
    Claremorris 0.5C
    Birr 0.6C
    Casement 1.3C
    Clones 1.4C


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    #16
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    I should point out that the grass min of -3.4C ranks in 4th place for May, 2nd and 3rd place were also set this month.
    Lowest on record -4.9C set on 11th May 2005 when the air min fell to -0.7C


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    #17
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    Birr -0.3C at 6am


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    #18
    arctictree
    Registered Users Posts: 4,291 ✭✭✭arctictree


    Min of 0.7c here last night. Very low for the time of year. Pity its not June yet - could have been a record breaker. I see the absolute min for June at Dublin Airport is +1.5


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    #19
    Snowbie
    Registered Users Posts: 5,033 ✭✭✭Snowbie


    On bbc weather,enniskillen got down to -1c,probably rounded off but subzero air temp


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    #20
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Min here was +2.8c thankfully so my maize crop escapes again :)


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    #21
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    Just posted this in the Rain and Shine thread.

    Have you noticed how low the humidity is at some stations.
    Shannon AP, Casement and Kilkenny.

    With sub zero DP now, there could be a significant frost tonight.


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    #22
    Mothman
    Closed Accounts Posts: 6,498 ✭✭✭Mothman


    Got up early to do a damage limitation excercise after my 3rd May air frost on record. (1999)
    A min of -0.1C, grass min -3.5C

    The frost has already melted though. In fact I'm bemused, because the grass temp is 4C and the air temp is actually less at 3C.

    BTW, my record min for June is 3.3C


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    #23
    nilhg
    Registered Users Posts: 5,122 ✭✭✭nilhg


    I was at a crop walk on a farm in West Wicklow today which had 50,000 Christmas trees badly damaged by the frost this week, they will probably not be fit to harvest this year. Another grower had 40,000 almost completely destroyed. The area is quite hilly and the worst damage seemed to happen on the lower slopes but younger trees at the bottom seemed to escape.


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