The level 1 warning, which covers, among others, Bolesławiec County, states:
Course: Dense fog is forecast, with visibility locally reduced to between 100 m and 200 m.
Probability: 70%. Warning validity:
From: 2020-11-10 22:00
To: 2020-11-11 09:00.
Forecasters warn of dense fog
The warning is to remain in force until Wednesday, November 11, at 9:00 a.m.