Las Vegas, NV...Henderson, NV...Paradise, NV...Sunrise Manor, NV...North Las Vegas, NV...
Probabilistic Tornado Graphic
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
5 %
60,093
2,380,217
Las Vegas, NV...Henderson, NV...Paradise, NV...Sunrise Manor, NV...North Las Vegas, NV...
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
5 %
60,459
2,379,178
Las Vegas, NV...Henderson, NV...Paradise, NV...Sunrise Manor, NV...North Las Vegas, NV...
SPC AC 180453
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1153 PM CDT SAT OCT 17 2015
VALID 181200Z - 191200Z
...THERE IS A MRGL RISK OF SVR TSTMS ACROSS SRN NV...SERN CA...NWRN
AZ...AND SWRN UT...
...SUMMARY...
A FEW STRONG TO MARGINALLY SEVERE STORMS ARE POSSIBLE ACROSS
NORTHWEST ARIZONA...SOUTHERN NEVADA...SOUTHEASTERN CALIFORNIA AND
SOUTHWEST UTAH SUNDAY AFTERNOON AND EVENING. HAIL...GUSTY WINDS AND
HEAVY RAIN WILL BE THE MAIN THREATS.
...SYNOPSIS...
A SHORTWAVE TROUGH WILL TRAVEL EWD ACROSS THE GREAT BASIN AND LOWER
CO RIVER VALLEY WITH A BELT OF 35-45 KT MIDLEVEL FLOW. AT THE
SURFACE...A WEAK TROUGH WILL DEEPEN ACROSS THE LOWER CO RIVER VALLEY
INTO NV...FOCUSING BOUTS OF SHOWERS AND STORMS THROUGHOUT THE
PERIOD.
ELSEWHERE...A COOL AND DRY PATTERN WILL PERSIST ACROSS THE CNTRL AND
ERN U.S. WITH AN EXPANSIVE AREA OF HIGH PRESSURE.
...SRN NV...SERN CA...NWRN AZ...SWRN UT...
A FEW SHOWERS MAY BE ONGOING ACROSS THE AREA EARLY IN THE DAY...BUT
FURTHER DESTABILIZATION WILL OCCUR DURING THE DAY WITH AREAS OF
HEATING AS WELL AS COOLING ALOFT WITH THE SHORTWAVE TROUGH. FORECAST
SOUNDINGS SHOW PROFILES FAVORABLE FOR MARGINALLY SEVERE STORMS
CAPABLE OF MAINLY HAIL GIVEN COOL TEMPERATURES ALOFT AND SUFFICIENT
HODOGRAPH LENGTH FOR SOME LONGER LIVED STORMS. OVERALL WEAK
LOW-LEVEL WINDS AND LIKELY CELLULAR STORM MODE SUGGEST WIND AND/OR
WEAK TORNADO THREAT WILL BE LOW.
..JEWELL/PICCA.. 10/18/2015
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z
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