Blizzard and Tornado Warning For Same County!
Welcome to Cherry County, Nebraska. This unusually large county is home to a Blizzard Warning, a Severe Thunderstorm Warning, and a Tornado Warning at 2:15 PM Central Time Monday.
Meanwhile, in the western part of the county...
Someone asked in my morning blog entry whether or not a "snownado" or tornado in snow is possible. It has never been documented to my knowledge, and in theory the rotational processes that lead to tornados would be killed by the cold air long before the convective nature of the storm would be (which supports "thundersnow" or lightning during a snowstorm).
As the NWS noted above, that convective nature of precipitation meeting cold air is one reason for the expected heavy snowfall that we have on our map today (see Headlines at right for map updates). I wouldn't be surprised to see localized amounts over two feet. Remember when you're looking at the radar, it's guessing where the lines of rain and snow are, recoloring, if you will, the precip, which is really broken down into heavy convective cells moving amidst the general rain and snow.
Temperatures in Nebraska span quite the range with 20's in the northwest and 70s in the southeast. In Cherry County alone, temperatures range from at least 33 to 66.
In other news, in addition to the reports of deadly trees, roads under water, and heavy snow that I told you about yesterday, the following Spotter reports have come to light in the last 24 hours:
- Winds as high as 60 mph created a Sand Storm in Riverside County, California, covering Highway 111 and other local roads with sand. - Heavy rain and ice jams caused widespread reports of roads under water in the Dakotas and Minnesota - Up to 0.4" of ice accumulation in Lake County, Minnesota - Hail to 1 inch in diameter reported in Nebraska - 25 inches of snow fell at Alpine Meadows, California - More wind gusts over 70 mph in Nevada, California and Colorado
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