Friday, December 11, 2020

Updated Great Plains Snow Forecast

The evening data from the upper air balloons show two differences from earlier today:
  • There is more Gulf of Mexico moisture than originally anticipated.
  • The low pressure system in the upper atmosphere is going to be a bit stronger than I originally thought. 
This translates into more snow near and east of Interstate 35 between Wichita and Perry (OK) than I first thought. This seems like a reasonable initial estimate given these new conditions. 

Bottom line: In Kansas south of U.S. 400 and in Oklahoma north of I-35, three inches or more of snow seem quite possible. Some spots, especially between about Woodward and Garden City, could see as much as 8 inches. No strong winds are forecast. 

Also, note there could be spots of heavy snow (≥ 3") in parts of the Ozarks region.

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