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 221623
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1023 AM CST Mon Nov 22 2021
Valid 221630Z - 231200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected across the contiguous United
States today.
...Synopsis/Discussion...
A progressive yet amplified longwave pattern will prevail over the
CONUS through tonight. Large-scale trough amplification will occur
along/east of the Appalachians, while an additional shortwave trough
amplifies as it approaches the coastal Pacific Northwest tonight.
Some thunderstorms will remain a possibility across southern Florida
and offshore waters today within the pre-frontal moist air mass. A
few thunderstorms may also occur late tonight along coastal
Washington/northwest Oregon as lapse rates steepen/minimal buoyancy
develops in conjunction with the aforementioned shortwave trough.
..Guyer/Weinman.. 11/22/2021
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
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