The level 1 warning, which covers, among others, Bolesławiec County, reads:
Development: Rainfall is expected, locally moderate to heavy in intensity. Locally, rainfall totals of up to 35 mm are forecast. Storms are also possible.
Probability: 80%.
Warning valid: from August 28 at 8:00 p.m. to August 29 at 7:00 a.m..