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Storm Forecast
Valid: Fri 25 Apr 2014 06:00 to Sat 26 Apr 2014 06:00 UTC
Issued: Thu 24 Apr 2014 22:07
Forecaster: TUSCHY
A level 1 was issued for Beligum, the Netherlands and NW Germany mainly for an isolated large hail event. A local excessive rain event is forecast.
DISCUSSION
... France to the Alps to the W-Balkan States ...
Once again, diurnal driven thunderstorms evolve. Weak shear and widespread initiation favors rapid upscale growth into numerous and disorganized clusters with erratic storm motions. Main risk during the initiation stage will be isolated large hail, but this hazard switches more to excessive rain.
Ingredients favor a somewhat higher hail threat over Benelux and NW Germany, where steeper mid-layer lapse rates push MLCAPE to more than 800 J/kg. Weak shear however keeps the hail risk in check. Still a marginal level 1 was issued.
Storm Forecast
Valid: Fri 25 Apr 2014 06:00 to Sat 26 Apr 2014 06:00 UTC
Issued: Thu 24 Apr 2014 22:07
Forecaster: TUSCHY
A level 1 was issued for Beligum, the Netherlands and NW Germany mainly for an isolated large hail event. A local excessive rain event is forecast.
DISCUSSION
... France to the Alps to the W-Balkan States ...
Once again, diurnal driven thunderstorms evolve. Weak shear and widespread initiation favors rapid upscale growth into numerous and disorganized clusters with erratic storm motions. Main risk during the initiation stage will be isolated large hail, but this hazard switches more to excessive rain.
Ingredients favor a somewhat higher hail threat over Benelux and NW Germany, where steeper mid-layer lapse rates push MLCAPE to more than 800 J/kg. Weak shear however keeps the hail risk in check. Still a marginal level 1 was issued.
