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Monthly Review October 2021

The month of October was compared to the reference period 1961-1990 at the weather station
Dresden-Klotzsche is 0.4 degrees too warm. With a monthly average of 10.2 °C
it is one of the more average October months since 1961. It takes the ranking
ranked 26th since 1961.
166 hours of sunshine were registered, an increase of 47 hours compared to that
official reference period 1961-1990. We have a very
sunny month of October (record since 1961). That seemed average
Sun at 5.4 hours per day.
The sum of all individual measurements of precipitation in October reached our
Measuring point in Coswig only 5.8 mm (a minus of 34.2 mm). This corresponded to the
Monthly sum almost 15% of the normal value for this month. So we registered
with regard to the total amount of precipitation that has fallen, now after the very
dry September an extraordinarily dry second autumn month. Our
The precipitation measuring point in Coswig also proved to be one of the absolute
"Last lights" in Germany (Fig. 1). Even in Dresden-Klotzsche and Garsebach could
slightly higher values (each 13 mm) are measured; the mean for Germany
was about 40 mm.

weather characteristics:
The weather in Saxony was mainly determined by meridional flow patterns.
Long-wave high-altitude troughs developed repeatedly over the eastern North Atlantic. in the
During the course of October 21, a storm and hurricane low spread to Central Europe (Fig. 2). In
Wind peaks of up to 120 km/h reached Dresden-Klotzsche. At this station it is in the since
1960 existing series the highest wind speed observed so far in October.
In other parts of Dresden, there were even stronger hurricane gusts of up to 135 km/h
observed. In connection with the passage of the storm came in our region
due to foehn effects, no significant precipitation.


Fig. 2: Storm Hendrik, which was moving north-east on October 21 and 22, 2021, was the cause
locally severe damage (source: Berlin weather map).

Author: Wilfried Küchler

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