POWERFUL STORM CONTINUES
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BLIZZARD CONDITIONS EXPECTED THIS EVENING...
A deepening storm centered near Peoria continues to produce wintry weather over all but my SE counties where the dry slot has temporarily ended or turned precipitation light in intensity (and in some cases has even mixed with rain). The NWS has extended blizzard warnings further into my counties N/NE of the Quad Cities for tonight through noon Saturday.
On the timeline below, strong winds that are blowing in central Iowa now will progress east and cross the Mississippi this evening. Gusts of 45-50 mph area anticipated. Additionally, temperatures will fall and snow will continue. Blowing and drifting snow is expected, which in spots should create white-out conditions at times. Rapidly falling temperatures will flash freeze roads that in spots are wet. Even after the snow ends late tonight, or early Saturday, blowing snow will continue to impede travel, especially in the open country.
So far the worst of the storm has been felt across southern Iowa where nearly a foot of snow has piled up around Ottumwa.
Satellite imagery shows the storm bombing out as it inches northeast. You can see the dry slot surging into the low in SC Illinois.
With the circulation center near Peoria, bands of snow (heavy at times) will continues to wrap around the storm, allowing snow to fall well into tonight. Radar shows that process ongoing.
The HRRR indicates this for additional snow through tonight.
The 3k NAM shows this for additional accumulations, a couple inches of these may have already fallen.
Temperatures at noon were hovering around zero in NW Iowa. That cold air is just waiting for the storm to lift NE. Once that happens tonight, the powerful winds will rapidly sweep the cold across the region. By Sunday into Monday, wind chills of 30-40 below are expected. A wind chill watch is in effect.
That's the latest for now. More to come this afternoon and night. If you are on Facebook and enjoy the content, please hit that like button. Roll weather...TS
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