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 201630
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1030 AM CST Mon Dec 20 2021
Valid 201630Z - 211200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected through tonight.
...Florida...
Isolated thunderstorms will remain possible within a moist air mass
near the east coast of Florida today. A southern-stream shortwave
trough over Texas at midday will continue eastward toward the middle
Gulf Coast and northern Gulf of Mexico through tonight. This system
will influence the eastward persistence of storms over the Gulf of
Mexico through tonight. Some of the thunderstorms could approach the
Florida Keys and western Florida Peninsula tonight, but little
severe potential is expected prior to 12Z Tuesday.
..Guyer.. 12/20/2021
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
| 
)
