The next storm system will hit later Thursday into Friday with accumulating snow potential, so read on for the full details…
The active pattern I mentioned on December 4th started this week and will go through the next couple of weeks. In case you missed it, you can read that article by clicking here. We are right on track with the next storm system expected by later Thursday into Friday. The specific term for this system is a “Colorado Low” and this type of system will tap into gulf moisture to bring plenty of precipitation to Iowa late this week. The early thinking is that a surface low will develop Thursday morning and slide north and east from the Plains and into the Ohio Valley. This will setup a swath of light to moderate/heavy snow accumulations and rain on the southern edge of the system. The onset precipitation type may be in the form of rain or mix before changing over to all snow across northern Iowa. The most uncertainty on snowfall amounts will be near the transition line across the center of the state.
The areas at greatest risk for accumulating snow Thursday afternoon into Friday morning does include Algona, Decorah, Fort Dodge, Mason City, Sioux City, Spencer, Storm Lake and Waterloo. A period of freezing rain is also possible with the event. While we are far too early to discuss the numbers, below is the probability for at least 1″ of snow. Further updates will follow as things continue to evolve with this storm system.
Stay tuned to Iowa Storm Center.com for updates.
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