On some rivers in Poland, hydrological alerts are in force before floods exceeding the alarm and warning levels. The most difficult situation is in the southwest of the country, where heavy snowfall and rain have caused water levels to rise. Further rainfall may worsen the situation.
From Saturday to Monday, floods exceeding the alarm levels are possible on the Widawa River from Namysłów to the mouth of the Oder River, the Provincial Crisis Management Center in Warsaw reported on Saturday. Opole. Due to the forecasted snowfall and rain, which will cause rainfall and meltwater runoff, further increases in water levels are expected in the rivers of the Widawa catchment area and in the Widawa itself in the zone above the alarm levels. The probability of the phenomenon occurring was estimated at 90 percent.
Third degree hydrological warnings against floods exceeding the alarm levels have been issued in the voivodeships Lower Silesia, Greater Poland and Opole province. It concerns primarily the Widawa River from Namysłów to the mouth of the Odra River together with the catchment area, the Barycz catchment area without Polski Rów and the Orla catchment area. A red alert was also issued in the province. Lubuskie and Lower Silesia, in the Czerna Wielka catchment area. The warnings are valid until 13 on Monday.
Orange hydrological alerts for floods exceeding warning levels apply to the following voivodeships: Lower Silesia (in the catchment area Nysa Kłodzka, Ślęza, Bóbr, Kwisa, Nysa Łużycka, Kaczawa), Greater Poland (parts of the Barycz catchment area, the Mosiński Canal, Swędrnia, Łużyca), Lubuskie (Obra catchment area), Opole province (Prosna catchment area), Łódź (parts of the Bzura, Swędrnia and Łużyca catchments), Świętokrzyskie (in the catchment area of the Nida, Czarna and Wierna Rzeka), Masovian Voivodeship (Liwiec catchment area), Warmian-Masurian Voivodeship (Pasłęka, Bauda, Vistula Lagoon and Elbląg), Pomeranian (in the catchment area of the Vistula Lagoon, RedyPoles and coastal areas) and West Pomeranian Voivodeship (Oder estuary, Szczecin Lagoon and coastal areas). All alerts will expire by Monday at 13.
Level 1 hydrological alerts have also been issued in parts of the country. Warnings against sudden increases in water levels are in force in the voivodeship: Lower Silesia (in the catchment area of Kaczawa, Strzegomka, Bystrzyca, Oławy) and Opole province (in part of the Nysa Kłodzka catchment area). The alerts will expire by Sunday at 13.
What is a third degree hydrological alert?
A level three warning means that “water levels (observed or forecast) are in the zone above the alarm levels.”
What is a second stage hydrological alert?
A level two warning means that “water levels (observed or forecast) are in the zone above warning levels but below alarm levels.”
What is a first level hydrological alert?
A level 1 hydrological warning means a moderate threat. Water levels (observed or forecast) are in the zone below the warning levels, and a sharp increase in water levels is expected.
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