Probability of a tornado within 25 miles of a point. Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point.
Day 1 Tornado Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Probabilistic Damaging Wind Graphic
Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point. Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point.
Day 1 Wind Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Probabilistic Large Hail Graphic
Probability of hail 1" or larger within 25 miles of a point. Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point.
Day 1 Hail Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
No Risk Areas Forecast
SPC AC 201928
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0128 PM CST Sat Nov 20 2021
Valid 202000Z - 211200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not forecast across the contiguous United
States.
The ongoing forecast remains valid, with no changes made.
..Hart.. 11/20/2021
.PREV DISCUSSION... /ISSUED 1025 AM CST Sat Nov 20 2021/
...Florida...
Near/south of a weakening front, scattered showers and
isolated/occasional thunderstorms will remain possible this
afternoon into tonight across the southern part of the Florida
Peninsula and Keys vicinity. This will be supported by a moist and
weakly capped air mass with thermodynamic profiles that are
marginally conducive for charge separation/lightning flashes. Severe
thunderstorms are not expected.
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z
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