The first-degree warning, concerning, among others, Bolesławiec County, states:
Rainfall is forecast, at times moderate and temporarily heavy. The forecast rainfall total is [...] from 15 mm to 30 mm, locally up to 40 mm.
In the evening and at night, thunderstorms with wind gusts of up to 60 km/h will occur locally during periods of rainfall.
Probability: 80%. The warning is valid from June 24 at 11:00 to June 25 at 1:00.