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 200054
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0654 PM CST Sat Dec 19 2020
Valid 200100Z - 201200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Primary risk for thunderstorms will be along the central Gulf Coast
tonight.
...01z Update...
Weak surface wave that developed over the northwestern Gulf Basin
has shifted east and is currently located south of the central LA
Coast. A wedge of higher boundary-layer moisture has advanced to
near the southeastern tip of Iberia Parish, but it should struggle
to move appreciably inland. Given the weak buoyancy over land,
severe threat appears negligible through 12z.
..Darrow.. 12/20/2020
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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