SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1130 PM CST Mon Dec 07 2020 Valid 081200Z - 091200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms will not occur over the contiguous United States through tonight. ...Synopsis... A mid-level ridge building across the central and western US will shunt strong westerlies northward toward the Canadian border as an amplified trough departs the East Coast. At the surface, high pressure will dominate much of the Lower 48. Dry and stable conditions across much of the CONUS will prevent thunderstorm development. ..Lyons/Smith.. 12/08/2020
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