Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. 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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Tracking Atmospheric River for California; Record Temperatures Further East

Banded Snowfall Event on 18 March 2014