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The Institute of Meteorology and Water Management (IMGW) is the Polish institution responsible for monitoring and forecasting weather phenomena and issuing meteorological warnings.
The Institute of Meteorology and Water Management issued storm alerts. They concern the following voivodeships: West Pomeranian Voivodeship, Pomeranian Voivodeship, Warmian-Masurian Voivodeship, Lubusz Voivodeship, Greater Poland Voivodeship, Kuyavian-Pomeranian Voivodeship, Łódź Voivodeship, Masovian Voivodeship and Podlaskie Voivodeship.
In this area, storms may be accompanied by rainfall of 20 to 35 mm and wind gusts of 70 to 85 km/h. Hail is also possible.
Storm warnings will remain in effect until Sunday morning.
Strong wind warnings
Strong wind warnings have been issued for parts of the province. West Pomeranian and Pomeranian Voivodeships. Here, the average wind speed can reach up to 70 km/h or gusts up to 85 km/h.
Strong wind warnings will remain in effect until 11 on Saturday.
A level 1 meteorological warning provides for conditions conducive to the occurrence of dangerous meteorological phenomena that may cause material losses and pose a threat to health and life.

The Institute of Meteorology and Water Management issued warnings about dense fog, which will limit visibility to 200 meters in 11 voivodeships from Sunday to Monday. The services appeal to drivers to be careful.

A powerful storm passed through Greater Poland, causing significant damage in the Kłecko commune. Firefighters in the region intervened over 300 times, removing fallen trees and securing damaged buildings.

A storm with strong winds and rainfall passed over Greater Poland, firefighters intervened 197 times, mainly due to fallen trees and damaged power lines, with no injuries reported until 9 p.m.; Throughout Poland, firefighters had over 900 interventions related to storms.

The Government Security Center issued SMS warnings for residents of 6 voivodeships about upcoming storms with strong winds up to 115 km/h and heavy rain. IMWM announced level II alerts.

The Government Security Center issued an SMS alert against storms, strong winds and heat for 10 voivodeships. IMWM warns against weather fluctuations and hydrological drought at the end of the holidays.

IMWM issued first degree warnings against storms for the Podlaskie, northern Lublin and eastern parts of the Warmian-Masurian and Masovian voivodeships. The storms will be accompanied by rainfall up to 25 mm, wind gusts up to 60 km/h and locally hail.