Heute werden für einige Teile von Österreich wieder kräftige Schauer und Gewitter erwartet, bevor uns ab dem Wochenende eine Hitzewelle erwartet.
A level 2 was issued in S Austria/W-Slovenia mainly for heavy to excessive rain.
A level 1 surrounds that level 2 for similar hazards but with lowered probabilities, including isolated large hail (which is also valid for the level 2 area). The German level 1 areas are mainly issued for isolated hail, heavy rain and strong gusts. A low-end tornado risk exists over W-CNTRL into SW Germany during the evening hours.
Quelle: ESTOFEX (https://www.estofex.org/)For the Alps into Slovenia and Italy:
A more humid/unstable airmass resides over N Italy, where MUCAPE remains in the 2000-3000 J/kg range with decreasing values towards Slovenia. This airmass interacts with the approaching trough, respectively with an eastward moving low-amplitude wave, which breaks apart from the main trough.
CI occurs along the mountains and DLS at or below 10 m/s should support numerous intense updrafts, which could bring some hail with an isolated large event not ruled out, next to heavy rain and strong to severe downbursts. Interaction with the orography could support a few flash flood events on a local scale. We expanded the level 2 into S Austria/W-Slovenia to account for this rainfall risk.
Betimes, the activity builds away from the mountains into the weakly capped and very ustable airmass. Colliding outflow boundaries probably induce numerous growing clusters with heavy rain, isolated hail and an increasing wind gust threat, dependant on how healthy the cold pool becomes. We issued a level 2 for this area, where confidence in numerous severe events is the highest.
During the night, convection weakens with increasing CIN, but a strong outflow boundary with strong/severe gusts may surge far S over the Adriatic Sea. We kept this part of the event in a low thunder/level 1 combination in case of isolated CI along the boundary.
Gewitter Linie aus Bayern zieht ins grenzgebiet Bayern innviertel N-flachgau
