MAIN WEATHER AND CLIMATE TRAITS IN THE NORTHEN HEMISPHERE AS OF SEPTEMBER 2020
Air Temperature
The abnormally warm weather which had set in the ETR in August remained warm in early September. The air temperatures averaged for the first decade of September exceeded the normal values by 2-5° or more. `New temperature maxima were observed in the Black Earth Region and in the south, in the Astrakhan and Rostov Regions, and in the Crimea. In the second decade, the anomalous heat solely survived in the south but also came to the far-eastern Kaliningrad Region where no such warmth in mid-September has ever been seen for more than 70 years. New daily temperature maxima were recorded there. As for the other regions of the ETR, the temperature conditions normalised, or even tended to negative anomalies in the Volga Region. But in the third decade, everything changed again. Almost the entire ETR fell under the spell of "Old Wives' summer," and the decade-averaged temperature anomalies reached +5° or more. New temperature maxima were recorded in the north-west of Russia at that time.
All September, extreme warmth dominated over the entire Arctic region of Russia. Again and again, unprecedented temperature maxima were recorded on Frantz Joseph Land, on Vize, Golomyanny and Kotelny Islands, on Cape Chelyuskin, in the Yamalo-Nenets Autonomous District, in Yakutia, in the Magadan Region and in the north of the Khabarovsk Territory. The temperatures in Eastern Siberia and in Yakutia were 2-6 or more degrees higher than usual.
Air Temperature
The abnormally warm weather which had set in the ETR in August remained warm in early September. The air temperatures averaged for the first decade of September exceeded the normal values by 2-5° or more. `New temperature maxima were observed in the Black Earth Region and in the south, in the Astrakhan and Rostov Regions, and in the Crimea. In the second decade, the anomalous heat solely survived in the south but also came to the far-eastern Kaliningrad Region where no such warmth in mid-September has ever been seen for more than 70 years. New daily temperature maxima were recorded there. As for the other regions of the ETR, the temperature conditions normalised, or even tended to negative anomalies in the Volga Region. But in the third decade, everything changed again. Almost the entire ETR fell under the spell of "Old Wives' summer," and the decade-averaged temperature anomalies reached +5° or more. New temperature maxima were recorded in the north-west of Russia at that time.
All September, extreme warmth dominated over the entire Arctic region of Russia. Again and again, unprecedented temperature maxima were recorded on Frantz Joseph Land, on Vize, Golomyanny and Kotelny Islands, on Cape Chelyuskin, in the Yamalo-Nenets Autonomous District, in Yakutia, in the Magadan Region and in the north of the Khabarovsk Territory. The temperatures in Eastern Siberia and in Yakutia were 2-6 or more degrees higher than usual.
MAIN WEATHER AND CLIMATE TRAITS IN THE NORTHEN HEMISPHERE AS OF AUGUST 2020
Air Temperature
Air Temperature
In most of the ETR, cool July weather preserved for the first half of August. Even frosts were observed sometimes: hardly surprising for anybody in the Murmansk and Arkhangelsk Regions or in Karelia, they definitely were rare guests in the areas such as the Moscow Region. The weather was warmer than usual in the North Caucasus and in the Kaliningrad Region only: there, new temperature maxima were recorded. In the second decade of August, the decade-averaged temperature anomalies reached -2…-3° in the Volga Region. The warmth came forth as late as on the twenties of the month, and the closer to the end of summer, the higher the temperature. And on the last day, new daily maxima were recorded in the midlands. In the third decade, the normal temperatures were exceeded by 2-3° or more in most of the ETR.
Hot weather prevailed in the Urals and Western Siberia from the first days of August. Sometimes, the thermometers readings rose to record-breaking levels in excess of +30…35°, and even crossed the 39° mark in Yekaterinburg. There, the average temperature was 3-7° higher than normal in all decades. Further to the east, cold weather prevailed in the Far Eastern Federal District. New daily temperature minima down to -8° were observed in Yakutia, and frosts, in Primorye and in the Khabarovsk Territory. The anomalies of decade-averaged temperatures reached -2…-3°. The Far North and the Arctic islands of Russia were the only exceptions to enjoy extraordinary warmth for almost the entire month. The ever highest temperatures were recorded in the areas from Novaya Zemlya to Chukotka. In some places, records were set for ten or more days in succession.