Post AWJp3JjRG3gE5b0zaa by anlomedad@mst.mineown.de
 (DIR) More posts by anlomedad@mst.mineown.de
 (DIR) Post #AWJ5QIXnFELfAraWS8 by al_meteo@meteo.social
       2023-06-03T07:10:14Z
       
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       Last June night was one of the coldest in recent decades in northern and eastern Germany. Some records for the lowest temperature were even broken near the ground. The cause was a fresh inflow of very dry polar air, which was able to cool down optimally in clear and windless conditions. The dry soils also played a role.#Weather#Temperatures#Spring #Summer#Records
       
 (DIR) Post #AWJAG9nBQc6cuElp1E by mariusor@metalhead.club
       2023-06-03T08:04:25Z
       
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       @al_meteo are those relative to the average numbers? Or absolute temperature?
       
 (DIR) Post #AWJHorv6ZHNzI5yTuC by al_meteo@meteo.social
       2023-06-03T09:29:10Z
       
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       @mariusor measured temperatures. The anomalies are much higher, widespread -6 K.
       
 (DIR) Post #AWJKavcsIBXgapUYa0 by mariusor@metalhead.club
       2023-06-03T10:00:13Z
       
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       @al_meteo o.OGlad I kept my blanket.
       
 (DIR) Post #AWJp3JjRG3gE5b0zaa by anlomedad@mst.mineown.de
       2023-06-03T15:41:31Z
       
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       @al_meteo Fascinating. The explanation for why drier soil promotes nightly cooling as given by a German meteorological account:"Put simply, when air cools, it can absorb less water vapor. Once the dew point is reached, fog forms. Until then is the range in which temperatures drop. If there is hardly any moisture coming from the ground, the air is "fed" less water vapor and can cool faster/directly. So if the air "has" to absorb a lot of water vapor, it inhibits cooling. During the day, by the way, the opposite is true: dry soils promote warming."https://meteo.social/@meteoHRO/110479278013596364