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 190035
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0635 PM CST THU DEC 18 2014
VALID 190100Z - 191200Z
...NO SVR TSTM AREAS FORECAST...
...SUMMARY...
ISOLATED TO SCATTERED THUNDERSTORMS ARE FORECAST TO DEVELOP TONIGHT
ACROSS MAINLY THE SRN HALF OF TEXAS INTO LOUISIANA. OTHER ISOLATED
THUNDERSTORMS ARE POSSIBLE ALONG THE WASHINGTON/OREGON COAST.
...TX...
WATER VAPOR IMAGERY THIS EVENING SHOWS A LOWER-LATITUDE SHORTWAVE
TROUGH MOVING EWD ALONG THE AZ/NM/MEXICO BORDER AND THIS FEATURE IS
FORECAST TO MOVE TO W TX BY EARLY FRIDAY MORNING. A GRADUAL
INCREASE IN SHOWERS AND THUNDERSTORMS IS EXPECTED TONIGHT ACROSS
PORTIONS OF SERN AND CNTRL TX AS LIFT FROM THE APPROACHING
DISTURBANCE IS COMPLIMENTED BY A STATIONARY FRONT INTERACTING WITH
MODIFIED GULF MOISTURE AND SUFFICIENTLY STEEP MID-LEVEL LAPSE RATES.
NONETHELESS MOST OF THIS ACTIVITY WILL PROBABLY BE RELEGATED N OF
THE FRONT AND REMAIN WEAK. HOWEVER...A FEW OF THE STRONGER UPDRAFTS
COULD POSE A SMALL HAIL RISK...BUT THE THREAT APPEARS MARGINAL
ENOUGH PRECLUDING A LOW SEVERE CATEGORICAL HIGHLIGHT.
..SMITH.. 12/19/2014
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z