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Bering Sea Storms in Alaska; Heavy Rain in Hawaii; Severe Thunderstorms in the Upper Mississippi Valley

A series of Bering Sea storms continues to impact western Alaska this week, with elevated water levels, isolated coastal flooding, high surf, erosion, and strong winds. Tropical moisture will bring the potential for heavy rain and thunderstorms to Hawaii through early Thursday. A few severe thunderstorms are possible over the Upper Mississippi Valley today with some tornado potential. Read More >

Overview

An intense low pressure system moved across the Central Plains and into the Great Lakes on March 19th, bringing strong to severe thunderstorms, widespread heavy snow, and strong to damaging winds to much of the Midwest. The NWS Omaha coverage area experienced all of these hazards, with thunderstorms developing during the early morning hours, including one that produced quarter sized hail near Fort Calhoun, NE. The rain switched over to sleet through the morning and eventually heavy, wet snow, with thundersnow occurring for a few hours. In addition, 50-70+ mph wind gusts were observed with the falling snow, leading to near 0 visibility and widespread damage to trees and power lines, with numerous power outages across eastern Nebraska and southwest Iowa. Many roads and highways were also closed throughout the event.

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