Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

A narrow, but intense snowband developed over eastern South Dakota and western Minnesota from mid-morning through early evening on 18 March 2014. The graphic below shows the extent of the snow band around 1pm CDT. At this time, the most intense portion of the band was only about 20-30 miles wide, but was producing snowfall rates of 1 to 2 inches per hour! As a result, a very tight snowfall gradient was observed across the area. For example, Watertown, SD only picked 0.1" of snow while Clear Lake, SD picked up a whopping 10.5"! A graphical snowfall map and a few tabular snowfall listings are also provided below.

Clear Lake, SD - 10.5"
5 SE Revillo, SD - 7.0"
Estelline, SD - 6.0"
Correll, MN - 6.0"
Wheaton, MN - 2.8"
Artichoke Lake, MN - 2.0"
Milbank, SD - 0.5"
Watertown, SD - 0.1"

Image 1: KABR Reflecitivity at 1pm CDT:

Image 2: Storm Total Snowfall Graphic:

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Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

Banded Snowfall Event on 18 March 2014