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Monthly Review May 2022

The spring month of May presented itself in our region after April, which was too cold
an average temperature of 15.7 °C as being 2.6 degrees too warm compared to that
Climate reference period 1961-1990. It was the fourth warmest May since 1961.
The sun shone for a total of 289 hours. This corresponds to a clear plus of 91
Hours. In terms of hours of sunshine “achieved”, May thus achieved fourth place in the
Ranking of all May months since the beginning of the measurement.

Last but not least, there was a drop of bitterness that we cannot avoid - the
last May was far too dry. The sum of all individual measurements of the
Precipitation in May in Coswig was only 18.0 mm. This corresponded to the
Monthly sum only 30% of the reference value for this month. The previous precipitation
The annual balance for 2022 is now down by 50 mm. The spring of 2022 was
overall too dry by -78 mm.

Our focus area, Meissen-Coswig-Radebeul, proved itself once again
one of the driest regions in Saxony. The drought monitor currently shows the
Environmental Research Center Halle-Leipzig that the ongoing exceptional drought
of the ground has reinforced again down to a depth of 1.8 m. From the all-clear can still
no talk.

weather conditions:

In the first and second decade of May, the frontal zone (jet stream)
north of our space, while over Central Europe under the predominant influence
of altitude highs dry weather prevailed. It wasn't until about the middle of the month that brought us
the small soil low BORA, which moves from west to east, spreads notable ones
Rainfall of at least 5 mm. In the Leipzig district, more than 30 mm fell in some cases
Rain. In the course of the last decade of months, a zonal formed temporarily
running westerly high-altitude current, but which very quickly again from a
severely disrupted circulation (blockage) (Fig. 1).


Fig.1: Altitude weather map for 500 hPa from May 30, 2022: The map shows the whole
Map section several high-altitude lows disconnected from the ground current and blocking ones, very far
Altitude highs shifted north (Image source: Berliner Wetterkarte / FU Berlin).

Author: Wilfried Küchler

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