2015 |Estonian Environment Agency Weather Services

Weather events

Estonian weather events in 2015 (normal for period 1961-1990)
Period	Region	Strong anomalies	Observed values and their effects
Winter – December (2014), January, February, 2015	Estonia	unusually warm	the tree-month mean temperature +0,3 ºC (normal −4,7 ºC), taking the 4^th place among warmer winters since the winter 1961/1962
Winter – December (2014), January, February, 2015	Tartu–Tõravere	unusually warm	the three-month mean temperature −1,2 ºC (normal −5,9 ºC), taking the 5–7^th place since winter 1865/1866
Spring – March, April, May, 2015	Estonia	unusually warm	the three-month mean temperature 5,8 ºC (normal 3,7 ºC)
March	Estonia	unusually warm	monthly mean temperature anomaly 4,6 ºC
March	Tartu–Tõravere	unusually warm	monthly mean temperature anomaly 5,5 ºC, the second warmest march since 1866
April	Estonia	high precipitation totals	monthly precipitation total 168% of normal, the 6^th place since 1961
April	Estonia	warmer than normal	monthly mean temperature anomaly 1,8 ºC
April, 23	in Sõmeru (Lääne-Viru County)	sandstorm	–
April, 23	in Salme (Saaremaa Island)	sandstorm	–
May	Narva (north-eastern part of the country)	variable in precipitation – low precipitation total	the monthly mean precipitation total 23 mm (54% of normal)
May	Tiirikoja (also north-eastern part of the country, distance between Narva and Tiirikoja about 110 km)	variable in precipitation – high precipitation total	the monthly mean precipitation total 60 mm (140% of normal)
June	Estonia	cooler than normal	monthly mean temperature anomaly −0,6 ºC
July, 16	the Moonsund Archipelago	two waterspouts	–
July, 16	at Saarejärve (Jõgeva County)	weak tornado	–
July, 17	Põlvamaa County	heavy hail	–
July, 17	Vana-Kuuste (Tartu County)	weak tornado	–
August, 6–8	Estonia	short heat wave	maximum temperature was measured in Võru on 6^th August 31,6 ºC
August, 12	Estonia	severe hailstorm	diameter of hailstones 4–7 cm, damaged fields in the central part of Estonia
September, 6	Salme (Saaremaa Island)	weak tornado	–
September, 7	Sõmeru (Lääne-Viru County)	weak tornado	–
October	Estonia	low precipitation total	the monthly mean precipitation total 12 mm (normal 66 mm), the first place since 1961
November	Estonia	unusually warm	the monthly mean temperature 4,9 ºC (anomaly 3,5 ºC)
second decade of November	Estonia	unusually warm	the mean temperature in second decade of the month 5,5 °C (normal 1,4 °C), several stations got their new monthly temperature records
December	Estonia	unusually warm	the monthly mean temperature 3,3 ºC (anomaly 6,1 ºC), the second place since 1961
December, 4–6	Estonia	strong storm	wind gusts reached up to 31 m/s, causing damages in forests, also many power lines were damaged
December, 20	Tartu-Tõravere	new monthly temperature record for December	daily maximum temperature reached up to 12,5ºC
The year 2015	Vilsandi Island	high annual mean temperature	annual mean temperature 8,8 ºC (normal 6,4 ºC), the highest value since 1866
	Tartu–Tõravere	high annual mean temperature	annual mean temperature 7,4 ºC (normal 4,9 ºC), the highest value since 1866
	Estonia	high annual mean temperature	the annual mean temperature was 7,6 ºC (normal for the reference period is 5,2 ºC) taking the first place among warmer years since 1961

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Estonian weather events in 2015 (normal for period 1961-1990)

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