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 >

During the afternoon and evening hours of Tuesday, April 9, several thunderstorms developed and moved across portions of south central Nebraska and north central Kansas. Anybody across the area who observed these storms noticed a significant difference between these storms most other thunderstorms...instead of rainfall most locations observed an extended period sleet! Periods of hail were also observed with these thunderstorms, but sleet was the primary precipitation type with some locations reporting around a half inch of sleet accumulation. The first image below shows thunderstorm activity across the area Tuesday afternoon and evening on April 9. The second image below shows visible satellite imagery from the morning of Friday, April 12. Look closely at the satellite imagery...do you see the white streaks extending from southwest to northeast across south central Nebraska and north central Kansas? Those streaks are the sleet and hail which fell from the thunderstorm activity on Tuesday!

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

April 9, 2013: Sleet and Hail Streaks Visible On Satellite