SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1040 AM CST Tue Feb 02 2021 Valid 031200Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms may occur Wednesday across parts of western Colorado and vicinity. Severe thunderstorms are not expected. ...Synopsis and Discussion... A large-scale upper trough will progress eastward across much of the western/central CONUS on Wednesday. Strong ascent preceding this feature coupled with modest diurnal heating and cooling mid-level temperatures should support the development of weak instability (MUCAPE up to 300 J/kg) Wednesday afternoon across western CO and vicinity. Even though low-level moisture is expected to remain very limited, it appears that the modest instability may extend through a sufficient vertical depth to support charge separation and isolated lighting flashes. East of the Rockies, an upper ridge is forecast to move eastward from the Plains and Upper Midwest to the eastern CONUS through the period. Low-level moisture return across the southern/central Plains in advance of the approaching upper trough is expected to remain insufficient to support any meaningful thunderstorm potential. ..Gleason.. 02/02/2021
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