Our storm system continues to move in and I haven’t changed the forecast a lot since I last updated the blog on Tuesday. What has changed is that the Winter Storm Watch that was in effect for much of the area has now been updated to a Winter Weather Advisory for central and northern Siouxland with a Winter Storm Warning (for slightly heavier snow) in southern and far eastern Siouxland. Most of the advisories and warnings run from noon Thursday until noon Friday.
The heaviest of accumulations are probably going to be taking place in southern Siouxland with as much as 6 to 10 inches possible. The National Weather Service decided to go with a Winter Weather Advisory for Sioux City because they don’t think we’ll reach the criteria for a warning of 6 inches of snow in 12 hours or 8 inches of snow in 24 hours. Most of central and northern Siouxland will probably end up with 4 to 8 inches with close to 6 inches probable in Sioux City, lesser amounts will fall to the north and more to the south.
Look for the majority of snow to fall after 5 pm Thursday into the overnight hours. We could have some light snow lingering into Friday morning but the heaviest of snow should be east of here by then.
The wind won’t be overly gusty with this system, but it will be steady between 15 and 20 miles per hour. So this will enough to help bring down visibilities and it’s just another factor we all need to keep in mind.
For anyone with questions about the storm, KTIV will be hosting a live weather chat Thursday afternoon beginning at 2 pm. Meteorologist Ross Caniglia will be online answering your questions while I focus on the forecast and evening weathercast. You will be able to go to ktiv.com and click on “Live Weather Chat.” We hope to see you (or chat you up) then.
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This post was written by rdemers on February 21, 2013