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 250103
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0703 PM CST Fri Dec 24 2021
Valid 250100Z - 251200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Isolated thunderstorms are possible over parts of the Pacific Coast
States, eastern Great Basin and Colorado Plateau.
...Synopsis...
A broad trough across the Pacific Northwest will continue to promote
isolated thunderstorm activity along the immediate coastline from
northern California into Oregon and Washington this evening and
overnight. Other isolated thunderstorms are possible in parts of the
northern Great Basin associated with a shortwave trough currently
located in north-central Nevada.
Another fast-moving, low-amplitude shortwave trough is progressing
through the central Plains and will reach parts of the Midwest by
tomorrow morning. Some guidance continues to show thermodynamic
profiles that would support isolated thunderstorm development prior
to 12Z from east-central Missouri into southern Illinois/Indiana.
However, confidence in 10% coverage remains low.
..Wendt.. 12/25/2021
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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