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biggiemauls

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    South West England Cold Spell Discussion

    in Spring Weather Discussion

    Posted

    The BBC in my experience very hit and miss depending on the source. Local TV and Radio ok, online is frankly hopeless. For short term, few hours ahead get the Netweather 5 min radar for a month at less than £4. invaluable at the moment.

    I was looking at the online forecast, thanks for the heads up. Looks like ill be getting the netweather radar!! :drinks:

    South West England Cold Spell Discussion

    in Spring Weather Discussion

    Posted

    MY thoughts FWIW.

    0-24 hrs.

    We have 3 streams, the Newcastle streamer, the Wash Streamer and the SE streamer.

    The most active atm is the Newcastle streamer, however this should bend more towards Wales missing the SW as the winds slowly turn more easterly. However whether they reach Gloucestershire before this occurs is open to debate and worth watching.

    The Wash streamer Should shoot down the south cotswolds into Wiltshire and maybe n.Dorset before dying out later tonight.

    The 3rd streamer in the SE should move it's precip further west as the winds steer more easterly. This brings into play S.Dorset(if they are luckly) maybe tomorrow lunchtime.

    24-72 hrs.

    We have some model disagreement now on the main weekend event, GFS wants to keep the major trough to the midlands, METO GM takes it more through the channel, if we take a combination of the two (NAE isn't updating for the 12Z for some reason) then this gives approx 36 hrs of moderate snowfall with accumulations of 5-12cm for the SW.

    72-144 hrs

    Some agreement on the low pushing into the SW and moving SE, with SE winds and DP's below 0, bringing snow to the SW, the exception is Cornwall which could have DP's upto 1 or 2C by 144Z. Accumulations are only estimates as this is a very finely balanced situation but 10-20cms is very realistic as things stand on top of what might happen before then.

    As always beyond 72T is very variable.

    Thanks for the update Iceberg! Really appreciate your posts, as some of the stuff said in here goes straight over my head.. haha! -3 Here.

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