SPC 2000Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0251 PM CDT Sat Oct 31 2020

Valid 312000Z - 011200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms will persist this afternoon over southern
parts of the Florida Peninsula.

...Discussion...
With a few lightning flashes observed over south Florida at this
time, and no thunderstorms expected elsewhere, the prior outlook
area/reasoning appears consistent with ongoing and expected
convective activity.  As such, no changes to the outlook are
necessary at this time.

..Goss.. 10/31/2020

.PREV DISCUSSION... /ISSUED 1129 AM CDT Sat Oct 31 2020/

...Synopsis and Discussion...
Large-scale trough amplification will over the northern Plains and
much of the Midwest tonight. Limited moisture and little if any
instability will considerably limit the potential for thunderstorms
across the CONUS with the exception of southern Florida. Across
southern Florida, low/mid 70s F surface dewpoints in vicinity of a
stalled front in conjunction with 1000-1500 J/kg MLCAPE will allow
for occasional/isolated thunderstorms. Severe thunderstorms are
unlikely, however.

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