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 261609
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1009 AM CST Tue Dec 26 2017
Valid 261630Z - 271200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorm threat is negligible today.
...Discussion...
Low-level warm advection will shift east from the western to the
central Gulf Coast States through the period. This will occur north
of a quasi-stationary front that will remain offshore in the
northwest/north-central Gulf. Thermodynamic profiles will be
marginal for charge separation, given the relatively warm midlevels
observed in 12Z soundings, and a lack of stronger/deeper forcing for
ascent. While a couple lightning strikes are possible along the
upper TX to LA coastal plain, the risk appears too sparse to warrant
thunderstorm probabilities of 10% or greater.
..Grams.. 12/26/2017
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
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