SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0150 PM CST Wed Feb 03 2021 Valid 032000Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will remain possible this afternoon and evening across eastern Utah, western Colorado, and vicinity. ...20Z Update... Only minor changes have been made to the general thunderstorm area across eastern UT/western CO and vicinity based on latest observational and short-term model trends. ..Gleason.. 02/03/2021 .PREV DISCUSSION... /ISSUED 1006 AM CST Wed Feb 03 2021/ ..Eastern UT/Western CO... No changes have been made to the ongoing forecast. A strong upper trough will dig into the northwest states today, with a cold front pushing southeastward across the Great Basin and into the central Rockies. Forecast soundings ahead of the front show relatively steep mid level lapse rates and weak-but-sufficient CAPE for scattered convection. A few of the showers may become deep enough for occasional lightning flashes. Very strong tropospheric wind fields, coupled with daytime heating and steepening low-level lapse rates suggest that gusty winds may accompany the more intense showers/thunderstorms.
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