SPC 0700Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1236 AM CST Fri Dec 25 2020 Valid 261200Z - 271200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected in the continental United States on Saturday or Saturday night. ...DISCUSSION... A shortwave trough will move eastward across the Gulf Coast States on Saturday as an upper-level ridge moves into the Great Plains. Another shortwave trough will move into the Intermountain West. At the surface, a large area of high pressure will be present across the southeastern U.S. This will prevent moisture return and keep a dry airmass in place across much of the nation. For this reason, thunderstorm development is not forecast across the continental United States on Saturday and Saturday night. ..Broyles.. 12/25/2020
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