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 311935
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0135 PM CST THU DEC 31 2015
VALID 312000Z - 011200Z
...NO SVR TSTM AREAS FORECAST...
...SUMMARY...
ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS PARTS OF THE SOUTHEAST
U.S. TODAY.
NO CHANGES WERE MADE TO THE PREVIOUS OUTLOOK.
..BUNTING.. 12/31/2015
.PREV DISCUSSION... /ISSUED 1001 AM CST THU DEC 31 2015/
...SYNOPSIS...
A POSITIVELY TILTED MID-LEVEL TROUGH FROM HUDSON BAY TO NRN HIGH
PLAINS WILL PROGRESS EWD ACROSS ERN CANADA AND THE GREAT LAKES. TO
THE WEST...A HIGH-OVER-LOW BLOCK WILL BECOME AT LEAST TEMPORARILY
ESTABLISHED OVER WRN NORTH AMERICA. AT THE SURFACE...A COLD FRONT
WILL SLOWLY ADVANCE EWD/SEWD ACROSS THE SERN STATES.
...SERN STATES...
WEAK PERTURBATIONS EMBEDDED WITHIN THE PREVAILING SWRN FLOW REGIME
ALOFT WILL INTERACT WITH A MOIST AND AT LEAST MARGINALLY UNSTABLE
AIR MASS TO FOSTER ISOLATED TSTMS ALONG AND AHEAD OF THE COLD FRONT.
DESPITE THE PRESENCE OF MODEST VERTICAL SHEAR ACROSS THE WARM
SECTOR...POOR LAPSE RATES AND RESULTING WEAK INSTABILITY ARE
EXPECTED TO PRECLUDE A THREAT FOR SEVERE WEATHER.
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z
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