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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Overview

Just after the Christmas Holiday, a storm system crossed the Central Plains producing widespread rain, intense winds and snow.  Rain developed on December 26th and widespread, heavy rainfall amounts of at least one inch were observed, with several locations picking up over two inches of rain. Rainfall of 1.42 inches at Grand Island and 1.41 inches at Hastings, both set new daily rainfall records for December 26th.

A cold front arrived later that night or early in the morning on the 27th causing temperatures to plunge below freezing and causing a 'flash freeze' as wet outdoor surfaces and roads froze. 

Multiple bands of heavy snow also developed early Thursday morning (December 27th) and continued through the day. The heaviest band of snow set up roughly from Cambridge to Lexington to Greeley, NE. When coupled with northwest wind gusts of 40 to 50 MPH, many locations saw whiteout conditions for several hours.

This combination of drifted roads and poor visibility led to closures along Interstate 80 west  from Grand Island to North Platte and impacted post holiday travel. The strong winds led to scattered power outages across the area as well. Even areas that received minimal snowfall (1-2") had issues with poor visibility thanks to the long-lived intense winds. 

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