SPC 0700Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1137 PM CST Mon Dec 07 2020 Valid 091200Z - 101200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Wednesday. ...Synopsis... A broad upper ridge centered over the High Plains will deamplify as it shifts east toward the Midwest and eastern U.S. through the period. In the wake of this upper ridge, a shortwave trough will dig southeast across the Pacific Northwest and northern Rockies. This system will also allow the upper low off of the southern CA/northern Baja coast to finally eject eastward toward the lower CO Valley and northwestern Mexico. Surface high pressure will persist across much of the CONUS, and continental low level trajectories will bring dry and stable conditions. Showers are expected to develop over parts of southern AZ/NM after 06z ahead of the ejecting upper low, but meager instability will preclude thunderstorms. ..Leitman.. 12/08/2020
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