m.ilmateenistus.ee lennuilm.ee keskkonnaagentuur.ee

Weather events

Estonian weather events in 2011

Period Region Strong anomalies Observed values and their effects
January Estonia heavy glaze Many road accidents caused by freezing rain
January Estonia records of snow depth Pärnu 63 cm (previous record 49 cm)
February Estonia very cold Monthly mean temperature anomaly −3 ….−5 ºC
February Estonia records of snow depth Narva-Jõesuu 65 cm (previous record 57 cm), damages on roofs, disrupted traffic on road and rail
February 18 Jõhvi very cold Absolute minimum temperature −33,4 ºC
February and March Jõhvi exceptionally high snow depth Snow depth 82 cm (previous record 78 cm)
March Estonia strong anomalies in UV radiation and low level of ozone. UV-Index values 5,1 and level of ozone 287 DU
April Estonia floods Melting snow caused local floods in many districts of Estonia
July Estonia very warm Monthly mean temperature anomaly 3,8 ºC
July 3th decade Estonia high precipitation totals Tallinn (103 mm or 395% of normal), Väike-Maarja (130 mm or 432% of normal) and Kunda (105 mm or 403% of normal)
July 28 Estonia thunderstorms Many fires
August Sõrve high precipitation totals 69 mm of rain (365% of normal monthly precipitation) during the first ten days
August Ristna high precipitation totals 71 mm of rain during the second decade (361% of monthly normal)
September Tartu very warm Monthly mean temperature 12,9 ºC is ranked as the 10 warmest September in 145-year time series
October Tartu very warm Monthly mean temperature 7,4 ºC is ranked as the 20 warmest October in the 145-year time series
November Estonia very warm Monthly mean temperature 5,0 ºC (anomaly 3,6ºC)
November Tartu very warm Monthly mean temperature 3,8 ºC is ranked as 3-6 warmest November in the 145-year time series
November 28 Estonia strong storm Many damages of houses and forests caused by wind gusts up to
29 m/s
December Estonia very warm Monthly mean temperature 2,5 ºC (normal −2,8ºC) the second warmest December since 1961
December Estonia high precipitation totals 203% of normal −  the highest total since 1961
December 26-28 Estonia strong storm Many damages of houses and forests caused by wind gusts up to
31 m/s