Tuesday, April 30, 2013

Major storm enters the Plains, dropping heavy snow and spawning severe weather



What has been billed as the first major severe weather maker of the spring is also already delivering, and preparing to produce, potentially record breaking late-season snowfall from the eastern Rockies into the northern Plains, along the north side of its storm track.
Winter storm warnings now stretch from Utah to Minnesota, and blizzard warnings are up for locations near Denver, where schools and many businesses are closed today.
An additional 3-6 inches of snow (on top of similar amounts already fallen) is possible around Denver. Temperatures there are still in the teens today, compared to highs near and above 70 yesterday. Locations further to the north and northeast are expected to take the brunt of the heaviest snow as the storm develops further.
Where the strongest winds mix in, near zero visibility “white out” conditions are possible, thanks to sustained winds as high as 20-40 mph along with higher gusts. Temperatures, even during the day in what’s almost mid-April, should mainly hover in the teens and 20s throughout the region impacted by snow. Not too springlike.
Indications are that the heaviest of the snowfall is likely to generally target the South Dakota and Nebraska border region eastward, where a large swath of one to two feet of the white stuff is possible. Significant totals in excess of half a foot could be realized from parts of the Rockies through Nebraska, South Dakota, southern North Dakota, Iowa, Minnesota, and Wisconsin.

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