The Drought Monitor and the “change in its methodology”

A humorous meme showing a man in a suit gesturing dismissively in front of a building explosion, with the text 'NOTHING TO SEE HERE MOVE ALONG' overlayed.

From KlimaNachrichten

By Frank Bosse

A cheerful man with short hair, wearing a light blue shirt, is smiling and pointing upward with one finger. Above him, a glowing light bulb symbolizes a great idea.

We had already reported on the move. Between June 10, 2025, and June 25, 2025, the methodology there was changed. Previously, we had to find considerable contradictions between the monitor and other data sources. As late as April 2025, we came to devastating verdicts, reality was portrayed far too dryly.

So now the changeover. What effects did that have? As is well known, the Internet does not forget anything and so the result for the topsoil (up to 25 cm depth, immensely important for agriculture) before and after the “conversion” is compared:

Comparison of drought maps in Germany from June 9, 2025 (left) and June 25, 2025 (right), highlighting changes in soil moisture levels.

What a contrast within just over 2 weeks! If you can still see devastating drought in the left picture (09.6.2025) (as only every 50 (!) years) in the topsoil in large parts of northern Germany, so there is nothing more to be noticed in the right image (25.6.2025). The garish and alarming red tones have largely disappeared. While Bremen was hardly recognizable in the “arid landscape” at the beginning of June, on June 25 there is no longer any sign of “severe drought”, and the city-state is clearly visible. And this despite the fact that it rained only slightly below normal over June.

The “miraculous change of method” really worked wonders!

A comparison of the last data (top) with those of the DWD’s “Soil Moisture Viewer” (bottom) at this depth:

Drought intensity map of Germany on July 28, 2025, showing varying color gradients from red to green, indicating moisture levels in the soil.
Map showing soil moisture levels across Germany with color-coded regions representing varying degrees of moisture; blue indicates wet areas, while red signifies dry conditions.
It looks quite similar: In the northeast oversaturation by up to 250% of the usual precipitation in July, in other areas it is less wet.

Has our continued criticism at the UFZ also borne fruit? We don’t know. What we can say so far: The drought monitor has improved with the “version change” in such a way that it is no longer in stark contrast to other data sources. The comparison with the monthly precipitation deviation in “Kachelmannwetter

A precipitation anomaly map of Germany, showing varying colors to represent changes in rainfall since the beginning of the month. Areas are highlighted in green, yellow, and blue, indicating positive and negative deviations from average rainfall. Key cities like Hamburg, Bremen, and Berlin are labeled.

shows that the better way has now been taken by the “Drought Monitor”.

We are happy to write that at this point. Because the data is simply better mapped now.

And that, not “propaganda compatibility” should be the point!


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