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Five Lithuanian weather stations are over one hundred years old

2012-07-20

Five Lithuanian weather stations in Vilnius, Kaunas, Klaipėda, Panevėžys and Nida have been included on the list of the world’s 100-year-old weather stations. The list was made by the World Meteorological Organisation (WMO) to enable the use of observation data to validate the climate changes over decades and centuries. It is suggested that such stations are called ‘centennial climate stations’. Information on the whole world’s centennial climate stations will be provided in a catalogue, which should be ready for the special session of the WMO Congress to take place October in Geneva.

According to Irutė Švedienė, a unit head of the Lithuanian Hydro-meteorological Service under the Ministry of Environment, in our country air temperature has been measured since 1777 in the city of Vilnius. Precipitation and air pressure in Vilnius started to be measured in 1871 while the speed and direction of wind in 1876. Klaipėda weather station has measured air temperature and the speed and direction of wind since 1830. Kaunas weather station started collecting descriptive information in 1834 and measuring air temperature, precipitation, relative humidity, atmosphere pressure and the speed and direction of wind in 1892. Nida has recorded precipitation since 1898 while Panevėžys has measured air temperature, precipitation, nebulosity, the speed and direction of wind, snow cover and phenomena since 1902.

Based on the measurements performed in Lithuania for more than 240 years, one can assess natural and man-made climate fluctuations. Compared with the early twentieth century, average annual temperature in our country increased by 0.7-0.9 °C. Although Lithuania is situated in the excess irrigation zone, summer draughts have grown in frequency (1992, 1994, 2002, 2006). The precipitation rate on the country’s territory is changing unevenly: decreasing in some places and increasing in others, but these changes are not very significant. Precipitation normally grows in the cold and drops in the warm season. Liquid precipitation represents an increasing share of precipitation in the cold season. Extreme meteorological phenomena have become more frequent with higher effects on people and on their dwelling environment. Therefore in order to minimize the negative influence of such phenomena and timely warning for the population, daily observations and forecasting of meteorological and hydrological phenomena are of utmost importance.

Information of the Ministry of Environment, Tel. 266 3660

20/07/2012


Minister of Environment of Lithuania Kęstutis Navickas
Minister of Environment of Lithuania Kęstutis Navickas