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Tomorrow a Slight has been issued for North Central Italy with a Chance of Tornadoes and Supercells.
The low that has plagued North Italy today and tonight will continue to push East tomorrow and has the potential to cause significant severe weather across the region. Surface Based CAPE values are mostly at 1,000 j/kg within the Marginal and Slight areas with a big spike of over 2,000 j/kg.
With the chance for strong updrafts within the hail outline there is a chance for moderate hail. Tomorrow along with the severe thunderstorm threat there is also a chance for a weak tornado to be produced with SRH 0-3km values at 150-300m2s2 and 0-6km shear at 20kts.
A marginal has been issued for South/South East Germany mainly for the threat of high precipitation along with a chance of severe thunderstorms for the South East. You could also experience a funnel cloud as there are SRH 0-3km values of 150m2s2 but nothing much to support the funnel touching the ground. With these storms there is a chance for moderate lightning rates, Gust Front formations and/or hail.
the Marginal for Eastern Central Europe has been issued for multiple countries. For the more central regions there is a chance of Severe weather due to SBCAPE values at 1,000j/kg and the Mixed Layer CAPE also over 1,000 j/kg so the updrafts could be moderately strong with a chance of hail accumulations forming within.
These storms have the potential for Frequent lightning, Moderate precipitation and straight line winds along with Hail. For the Ukraine the Marginal has been issued for the threat of Excessive precipitation along with the thunderstorms so localized flooding is possible!