SPC Jan 14, 2021 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1136 PM CST Wed Jan 13 2021 Valid 141200Z - 151200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... No thunderstorms are expected over the U.S. mainland today or tonight. ...DISCUSSION... An upper-level low will develop across the Upper Midwest today as an upper-level trough digs south-southeastward across the Great Plains. Ahead of this system, a shortwave ridge will move eastward across the Ohio and Tennessee Valleys. At the surface, high pressure will move across parts of the Southeast and Gulf of Mexico. This will limit moisture return keeping a dry airmass in place across the U.S. As a result, thunderstorm development is not expected today and tonight. ..Broyles.. 01/14/2021
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