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 150052
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0652 PM CST Tue Dec 14 2021
Valid 150100Z - 151200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Isolated thunderstorms are possible across eastern and south
Florida, as well as from parts of southern California to the Four
Corners region.
...01Z Update...
An intense shortwave continues to progress across central/southern
CA, with strong ascent ahead of this system contributing to a broad
area of precipitation from southern CA into the northern Rockies.
Sporadic lightning strikes are expected throughout the night into
the Four Corners region as this system continues eastward.
Isolated lighting flashes are also still possible across eastern FL
throughout the night.
..Mosier.. 12/15/2021
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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