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Alaska Storm to Bring Significant Coastal Impacts; Threat of Flash Flooding Continues in the Southwest

A powerful Chukchi Sea, Alaska storm will produce high winds and coastal flooding that could impact critical infrastructures across western and northwestern Alaska. Locally heavy showers and thunderstorms in the Southwest may produce flash flooding, especially on burn scars, slick rocks, and dry washes. A cold front will bring fall temps and a wintry mix to the Upper Midwest and Great Lakes. Read More >

1200 UTC NAM 250 mb Heights, Isotachs, and Wind (kts)

Forecasts are based on the daily 1200 UTC NAM run and are updated daily by 1400 UTC.  Additional models runs can be found here