Forecasters are warning of strong winds, which may reach gusts of 80 km/h. Here is the announcement for Bolesławiec County:

Meteorological warnings 9/2020
Strong wind
level: 1
probability: 80%

Course: Strong winds with an average speed of 35 to 45 km/h and gusts of up to 80 km/h are expected, from the southwest.
Remarks: None.

Important:

From: 2020-02-21 03:00
Until: 2020-02-21 10:00

IMGW-PIB forecaster: Barbara Wrona
Issue time: 2020-02-20 18:12
Office: Meteorological Forecasts Office in Wrocław

Source: IMGW-PIB