IEM Daily Feature
Friday, 05 November 2021

November Temps + Winds

Posted: 05 Nov 2021 05:34 AM

Very nice temperatures are expected for this upcoming weekend with highs well into the 60s for much of Iowa. These warm temperatures are expected with not much in the way of wind, which is atypical for such temperatures in November. The featured chart presents the frequency of having at least a 10 knot wind speed by the given air temperature for Des Moines during November. It is interesting to note how clear the signal is shown by the plot. Frequencies are about average until reaching 50 degrees and then increase all the way to near 100% around 75 degrees. Such warm temperatures imply strong lower atmospheric mixing, which brings down higher speed air aloft to the surface. A sort of self- fulfilling prophesy.

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