Climate characteristic of August, 2022
The average air temperature in Belarus for August 2022 was +20.8°C, which is 2.8 °C higher than the climatic norm. August of this year repeated the record of the last summer month of 2010, which became the warmest in the history of meteorological observations.
A positive anomaly of air temperature was observed throughout the country, which was mainly in the range from 2.0 to 3.5 °C.
In the regional context, the highest values of the positive anomaly of the average monthly air temperature were noted in the Mogilev region (3.1°C), in the Brest region the deviations were the smallest (2.5°C).
The average air temperature for the first decade was close to normal (0.1°C above the climatic norm) and averaged +19.5 °C. The second and third decades were very warm with a positive anomaly of air temperature equal to 3.7 and 4.6°C, respectively.
The air temperature during the day for the month was mainly +21 +32°C. The maximum value (+34.2°C) air temperature reached on August 24 at the Lelchitsy station.
The air temperature at night during the month was mostly within +12 +20 °C. The minimum air temperature was recorded at the Yezerishche station on August 8 and was +6.2 °C.
From August 12 to August 30, an intense heat wave was observed on the territory of the country: for 14-18 days, the average daily air temperatures exceeded the value of the 90th percentile. At this time, for 3-15 days, the maximum air temperature during the day was +30°C and above, but despite a long period with very hot weather, the historical maximum air temperatures were not exceeded. On some days, tropical nights were recorded at many stations (the minimum air temperature per night was +20°C or more).
During the month, an average of 23.3 mm of precipitation fell in the republic, which amounted to 37% of the climatic norm. Throughout the country, with the exception of individual observation points, there was a significant shortage of precipitation: from 7 to 65% of the norm fell. Only in the extreme southwest, more than the norm of precipitation fell in a month. August 2022 was the 4th driest last summer month since 1945. In Volozhin, a historical minimum of precipitation has been recorded for the last more than 70 years: an average of 5.1 mm or 7% of the norm fell per month. The previous minimum at this station was recorded in 1973.
Deviation (%) of the monthly precipitation amount for August from the climatic norm on the territory of Belarus
By regions, the most precipitation was recorded in the Vitebsk region – on average 31.8 mm or 45% of the norm. Least of all – on the territory of the Grodno region – 18.0 mm or 28% of the norm.
During the month, the humidification conditions were uneven: during the first decade, 80% of the norm fell on average in Belarus, the second and third decades were dry (21 and 9% of the norm fell respectively). In the second and third decades, prolonged rainless periods were observed in most of the country (periods of at least 10 consecutive days with daily precipitation totals of less than 1 mm).
Precipitation fell in the form of rains. Thunderstorms were observed everywhere, fogs at night and in the morning. On August 13, a hail with a diameter of 6 mm was recorded at the Gantsevichi station. During the month, the strengthening of wind speed in gusts of up to 15 m/s and more was noted throughout the country. The maximum wind speed for the month was registered at the Ivatsevichi station on August 13 (20 m/s).
When using the information reference to Belhydromet is obligatory