Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

What a Difference A Day Makes!

Thursday April 23rd: A unseasonably warm airmass produced several record high temperatures over north-central and northeastern South Dakota as temperatures soared into the 80s and 90s with bright sunshine. Below is a list of a few cities that recorded a new record high temperature.

City	New Record High	Previous Record	Year of Previous
Aberdeen	90F	87F	1994
Mobridge	89F	87F	1990
Pierre	88F	87F	1990

Friday, April 24th: In the wake of a potent cold front temperatures on Friday afternoon were nearly 50 degrees colder than Thursday!!! In addition, a narrow but potent band of snow dropped visibilities down to one half mile at times. Even with the very warm temperatures the previous day, a slushly accumulation of snow occurred over portions of north-central South Dakota. The images below were taken from Herried, SD between 1pm and 130pm Friday afternoon. Welcome to Spring in the Dakota's!

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Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

Welcome to South Dakota in April! 23rd & 24th, 2009