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Everything posted by Nick F
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July, in contrast to June, has been changeable, wet, dull and often on the cool side for the UK. But will some of the heat over southern Europe come our way? Models suggest this is unlikely over the next few weeks, as an active jet stream off the Atlantic keeps the heat to the south. View the full blog here
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Does look nasty later, estofex have a level 3 for central- E France, SW Germany and large parts of Switzerland. European Storm Forecast Experiment - ESTOFEX WWW.ESTOFEX.ORG Violent supercell thunderstorms forecast to develop over central-E France later, where up to 3000 j/kg CAPE modelled, merging into a severe MCS, even derecho, tracking east over Switzerland & SW Germany too 8cm hail & 70mph+ gusts forecast by Estofex. Weirdly, a similar event happened over E France exactly 39 years ago on 11th July 1984 Warning out for Switzerland for 'very violent' storms
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Storms and Convective discussion - July 2023
Nick F replied to Supacell's topic in Storms & Severe Weather
Pretty active area of storms organising across east Wales, west Cheshire and now nudging into Wirral + Merseyside. I highlighted the Welsh Borders being an area in the afternoon for possible severe storm development in the Netweather Severe Thunderstorm Watch issued yesterday evening. A look at model wind profiles and in the upper levels there appears to be a shortwave trough and left exit of a strong jet streak arriving behind it moving up from the south, creating strong divergence aloft across Wales. Worth keeping an eye on this area which looks like growing upscale into an MCS, NW England could have some issues with this storm complex next few hours! -
Storms and Convective discussion - July 2023
Nick F replied to Supacell's topic in Storms & Severe Weather
Something brewing over the Channel with IoW's name on it. Also can see the arc of Ac cas bringing spotty showers and storms across N and E England lifting N on the nose of higher theta-w plume streaming N 00z models bit over the place still, not really modelling storms mid E Channel too well, ahead of cold front rain, UKV probably closest and has a line move NE tbis morning, maybe a bit slow, EC perhaps similar but faster. NW England looks sweet spot this afternoon for surface based storms to develop