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South west UK about to get it!

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  • Closed Accounts Posts: 4,279 ✭✭✭Su Campu


    ESTOFEX have a Level 1 out for southern England

    showforecast.cgi?lightningmap=yes&fcstfile=2010082306_201008220536_1_stormforecast.xml

    ... NE-France, Luxembourg, Belgium, S-UK and W-Germany after midnight ...

    A better organized wave enters the English Channel during the night and wind field at all levels respond to its gradual deepening trend with increasing ageostrophic deflection. Weak SBCAPE signals are present over NE-France in an impressive LL shear environment. It remains questionable if updrafts grow deep enough to produce lightning, but despite that uncertainty, an isolated tornado event can't be ruled out. This tornado risk passes on to the severe risk on Monday. The tornado risk may also include parts of S/SE-UK, if warm sector indeed expands all the way to the NW (what past GFS runs forecast). Surface based convection would find itself in a very favorable environment for LL mesocyclones. However, the current level 1 mainly highlights an heavy rainfall risk, as the crest of the evolving depression and attendant robust deformation zone crosses S-UK with strong and moist inflow from the south.


  • Registered Users Posts: 1,519 ✭✭✭Hooter23


    Sky news says monster storm on the way is it really going to be that bad for them it's just a bit of rain


  • Registered Users Posts: 6,675 ✭✭✭ronnie3585


    A huge amount of rain visible on the Met Office radar - http://www.metoffice.gov.uk/weather/uk/radar/

    Is it really going to be a monster storm as mentioned above.


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    ronnie3585 wrote: »
    Is it really going to be a monster storm as mentioned above.

    Not really.


  • Moderators, Science, Health & Environment Moderators Posts: 4,467 Mod ✭✭✭✭mickger844posts


    ronnie3585 wrote: »
    A huge amount of rain visible on the Met Office radar - http://www.metoffice.gov.uk/weather/uk/radar/

    Is it really going to be a monster storm as mentioned above.

    According to the Met Office Uk site up to 80mm of rain expected. :eek:


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  • Closed Accounts Posts: 4,279 ✭✭✭Su Campu


    Latest from the UKMO website:

    There is a high risk of severe weather affecting parts of southern and eastern England during Sunday night and Monday morning.

    Heavy rainfall overnight is expected to give 20-30 mm of rain quite widely and perhaps 50-80 mm locally. This rain may be accompanied by gale force winds towards southern and eastern coasts.

    The heavy rain could lead to flooding in some areas and cause disruption to outdoor events and transport networks.

    Issued at: 1909 Sun 22 Aug


  • Closed Accounts Posts: 4,279 ✭✭✭Su Campu


    Latest Aviation Chart (freely available from http://www.jerseymet.gov.je/ )

    flight.gif


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    According to the Met Office Uk site up to 80mm of rain expected. :eek:

    An earlier run of the GFS was showing about 115mm in 24 hours for the northwest here later this week. :D I don't expect it will be that bad, but we will be getting our own heavy rain in a few days.


  • Registered Users Posts: 7,138 ✭✭✭snaps


    we've had some amount of rain here over night in Mayo!


  • Registered Users Posts: 5,068 ✭✭✭Iancar29


    Seen some WHITE on the met radar there during the night!

    They have it classed as a downpour.... Just wondering , do we have that integrated on our radar keys also or is red the worst it can get?


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  • Closed Accounts Posts: 4,279 ✭✭✭Su Campu


    Some impressive rainfall totals overnight in the Channel area, with up to 40mm recorded in 12 hours.


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