Polar Vortex. NOT!

The cold snap headed our way this weekend is not The Polar Vortex. The Polar Vortex is a feature of the upper levels of the atmosphere. It is a high-level wind current that circulates around the polar region. During winter, when this circulation is strong and nearly circular, the polar region is very cold and…
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Wind Chill Revisited

WCI = 35.74 + 0.6215T – 35.75V (**0.16) + 0.4275TV(**0.16) where T is the air temperature in degrees Fahrenheit, V is the wind velocity in miles per hour. And ** stands for “to the power of” because the way this is traditionally written in mathematics does not correspond well to typed newspaper copy.  This awkward-looking…
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Fake Weather, Or Just Bad

On social media, there is a lot of weather information. Some of it is good and useful, but like everything else, some of it is misinformation which can be potentially harmful. One area of special concern during winter is the distribution of weather model images depicting huge snow forecasts or blinding blizzards. Too much of…
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Active Atlantic

The hurricane season in the Atlantic Basin has ended. This summer and fall has been the first above-average tropical storm season in the Atlantic since 2012. Fifteen storms reached at least tropical storm strength, and seven of those became hurricanes. Five of these tropical systems made landfall in the United States. The most destructive tropical…
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Mild November

Fargo has broken the record for the warmest mean temperature for the month of November. The mean temperature last month was 41.7 degrees, which breaks the record of 39.7 degrees set in 2001. The average November mean temperature is 28.8 degrees. One way to make sense of this would be to imagine that if each…
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