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.
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.
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.
Hail Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
No Risk Areas Forecast
SPC AC 121854
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1254 PM CST FRI DEC 12 2014
VALID 122000Z - 131200Z
...NO SVR TSTM AREAS FORECAST...
...SUMMARY...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE TODAY ALONG THE CALIFORNIA
COAST...AND INTO PARTS OF SOUTHERN NEVADA AND WESTERN ARIZONA THIS
AFTERNOON. OTHER ISOLATED THUNDERSTORMS ARE EXPECTED THROUGH EARLY
TONIGHT ACROSS NORTHEAST TEXAS AND ADJACENT AREAS OF SOUTHEAST
OKLAHOMA AND SOUTHWEST ARKANSAS.
ONLY MINOR CHANGES TO EXISTING 10% THUNDERSTORM LINES WITH THE MOST
LIKELY AREA FOR AN ISOLATED STRIKE ACROSS COASTAL CA AS WELL AS THE
ARKLATEX. INSTABILITY REMAINS VERY WEAK ALL AREAS WITH NO SEVERE.
..JEWELL.. 12/12/2014
.PREV DISCUSSION... /ISSUED 1004 AM CST FRI DEC 12 2014/
...WESTERN STATES...
A STRONG UPPER TROUGH IS MOVING INTO CA TODAY...WHILE AN UPPER RIDGE
MAINTAINS CONTROL OVER MOST OF THE CENTRAL STATES. ISOLATED
LIGHTNING STRIKES CONTINUE TO BE INDICATED OFF THE CA COAST AS THE
TROUGH APPROACHES. AT LEAST A FEW THUNDERSTORMS ARE EXPECTED INLAND
TODAY...SPREADING SOUTHEASTWARD INTO PARTS OF SOUTHERN NEV AND
WESTERN AZ LATER TODAY AND TONIGHT. WHILE A BRIEFLY ROTATING STORM
IS POSSIBLE THIS AFTERNOON IN THE CENTRAL VALLEY AS THE UPPER TROUGH
AXIS APPROACHES...ORGANIZED SEVERE WEATHER IS NOT ANTICIPATED AT
THIS TIME.
...ARKLATEX...
A WEAK UPPER FEATURE OVER KS/OK TODAY WILL ROTATE SOUTHWARD INTO THE
ARKLATEX REGION THIS EVENING. SHOWERS AND A FEW ISOLATED
THUNDERSTORMS MAY OCCUR...BUT NO SEVERE STORMS ARE FORECAST.
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z
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