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 101912
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0112 PM CST Sun Dec 10 2017
Valid 102000Z - 111200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not expected today and tonight.
Thunderstorms remain unlikely across the CONUS for the day 1 period
with a decided lack of instability.
..Jewell.. 12/10/2017
.PREV DISCUSSION... /ISSUED 0957 AM CST Sun Dec 10 2017/
Dry and stable conditions will preclude organized thunderstorms
across the nation today. An isolated lightning strike or two is
possible this afternoon in the more intense lake-effect snow bands
over NY, but this activity is expected to remain very sparse.
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z
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