SPC 2000Z Day 1 Outlook

Day 1 Outlook Image

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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