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 130059
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CDT SAT SEP 12 2015
VALID 130100Z - 131200Z
...NO SVR TSTM AREAS FORECAST...
...SUMMARY...
WHILE THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF THE EASTERN AND
SOUTHWEST UNITED STATES TONIGHT...LITTLE IF ANY SEVERE THUNDERSTORM
POTENTIAL IS EXPECTED.
...MID-ATLANTIC STATES/DELMARVA TO FL...
AS AN UPPER-LEVEL TROUGH CONTINUES TO SHIFT EASTWARD TOWARD THE
APPALACHIANS THROUGH EARLY SUNDAY...SCATTERED THUNDERSTORMS WILL
REMAIN POSSIBLE THIS EVENING ACROSS THE EASTERN/SOUTHERN FL
PENINSULA. FARTHER NORTH...OTHER MORE ISOLATED THUNDERSTORMS WILL BE
POSSIBLE ALONG MID-ATLANTIC COASTAL AREAS. ASIDE FROM RELATIVELY
WEAK OVERALL FORCING FOR ASCENT...A NOCTURNALLY COOLING BOUNDARY
LAYER AND WEAK LAPSE RATES AS PER REGIONAL 00Z OBSERVED SOUNDINGS
SHOULD TEMPER THUNDERSTORM COVERAGE/INTENSITY...WITH NO ORGANIZED
SEVERE THUNDERSTORMS EXPECTED.
...NM/AZ...
A PULSE-TYPE HIGH-BASED STRONGER STORM OR TWO COULD OCCUR IN THE
SHORT TERM ACROSS THE REGION...BUT ANY SEVERE POTENTIAL WILL BE
MARGINAL/LOCALIZED WITH STORM INTENSITY LIKELY TO GRADUALLY WANE
THIS EVENING.
..GUYER.. 09/13/2015
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
| 
)
