Remnant monsoon moisture continued to fuel scattered thunderstorms over the Mojave Desert and southern Great Basin, with isolated flash flooding.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS VEF wrote it up.
Remnant monsoon moisture continued to fuel scattered thunderstorms over the Mojave Desert and southern Great Basin, with isolated flash flooding.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before the first event at Jul 24, 9:12 AM MST, 3 hours 11 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 912 AM PDT WED JUL 24 2013 .SYNOPSIS...INCREASING STABILITY WILL RESULT IN A DECREASING TREND IN THUNDERSTORMS. COVERAGE IS EXPECTED PRIMARILY OVER MOHAVE... EASTERN CLARK...AND LINCOLN COUNTIES THROUGH THE WEEKEND...AND DRY CONDITIONS AREAWIDE BY THE BEGINNING OF NEXT WEEK. TEMPERATURES RETURN TO NORMAL WITH DECREASED CLOUD COVERAGE. && .UPDATE...LATEST SATELLITE IMAGERY SHOWED SOME CUMULUS DEVELOPING OVER THE MOUNTAINS OF SOUTHERN NEVADA. NO SIGNIFICANT FORCING MECHANISM HAS BEEN IDENTIFIED THAT WOULD ORGANIZE CONVECTION TODAY. TODAY WE ARE MAINLY EXPECTING ISOLATED CONVECTION OVER AREAS NORTH AND EAST OF LAS VEGAS...AS WELL AS THE CLARK COUNTY MOUNTAINS. STEERING FLOW WILL BE FROM THE SOUTHWEST AT AROUND 5 MPH. THIS COMBINED WITH CONTINUED ABOVE NORMAL MOISTURE LEVELS WILL MEAN THAT FLASH FLOODING WILL BE THE MAIN CONCERN WITH STORMS TODAY. GUSTY WINDS...HAIL AND LIGHTNING WILL BE POSSIBLE WITH STRONGER STORMS. HAVE UPDATED THE SKY/POP/WX GRIDS TO REFLECT THE LATEST TRENDS AND BUMPED POPS SLIGHTLY...MAINLY DOWNWIND OF TERRAIN FEATURES. && .PREV DISCUSSION... ISSUED 306 AM PDT WED JUL 24 2013 .SHORT TERM...TODAY THROUGH THURSDAY...ALTHOUGH WELL ABOVE NORMAL MOISTURE IS CURRENTLY STILL IN PLACE ACROSS THE FORECAST AREA...LESS THUNDERSTORM COVERAGE IS EXPECTED TODAY AND THURSDAY AS AN AREA OF HIGH PRESSURE TRANSITIONS ACROSS THE FORECAST AREA. THUNDERSTORMS ARE EXPECTED TO BE PRIMARILY NORTH AND EAST OF LAS VEGAS TODAY...WITH DEVELOPMENT IN THE EARLY AFTERNOON ACROSS CENTRAL NYE...LINCOLN...AND MOHAVE COUNTIES. BY EARLY THIS EVENING...CONVERGENCE ALOFT ASSOCIATED WITH THE RIGHT FRONT QUADRANT OF A JET FINGER WILL LIKELY LIMIT ANY FURTHER THUNDERSTORM DEVELOPMENT AND EXPECTED TONIGHT TO BE RELATIVELY QUIET. ON THURSDAY...A SLIGHT CHANCE OF STORMS WILL REMAIN ACROSS LINCOLN AND MOHAVE COUNTIES DURING THE AFTERNOON AND EARLY EVENING OVER HIGHER TERRAIN. TEMPERATURES WILL INCREASE SEVERAL DEGREES ACROSS WESTERN ZONES WITH THE DECREASE IN CLOUD COVERAGE. .LONG TERM...FRIDAY THROUGH TUESDAY...MODELS HAVE REMAINED CONSISTENT THE PAST SEVERAL DAYS...SO AGAIN LITTLE CHANGE NEEDED. AN INVERTED TROUGH PRESENTLY AROUND SOUTHEAST ARIZONA PROGGED TO SLOWLY MIGRATE WEST INTO THE LOWER COLORADO RIVER VALLEY BY EARLY FRIDAY. FEATURE THEN EXPECTED TO TURN NORTHWARD THROUGH SOUTHEAST CALIFORNIA FRIDAY...AND ACROSS SOUTHERN NEVADA FRIDAY NIGHT AND SATURDAY. SO WOULD EXPECT TO SEE AN UPTICK IN CONVECTION FRIDAY THROUGH SATURDAY. DRIER SOUTHWEST TO WEST FLOW TAKES OVER SUNDAY THROUGH TUESDAY WITH MONSOON MOISTURE BEING SCOURED OUT OF MOHAVE COUNTY ON TUESDAY. SURE MANY FOLKS CAN NOT WAIT FOR DEWPOINT TEMPERATURES FALLING BACK INTO THE 20S OR 30S...MAKING IT FEEL MORE LIKE A DESERT AGAIN. && .AVIATION...FOR MCCARRAN...WINDS ARE EXPECTED TO BE SOUTHWESTERLY TODAY...WITH VARIABLE MID-LEVEL CLOUDS. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS OVER THE LOCAL HIGHER TERRAIN...BUT DEVELOPMENT IN GENERAL WILL BE LESS AND PRIMARILY EAST OF KLAS. FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST CALIFORNIA...ISOLATED TO SCATTERED THUNDERSTORMS EXPECTED MAINLY OVER SOUTHERN NEVADA AND ARIZONA LOCATIONS...WITH WINDS OUT OF THE SOUTH AROUND 10KTS ON AVERAGE. && .VEF WATCHES/WARNINGS/ADVISORIES... NV...NONE. AZ...NONE. CA...NONE. && UPDATE...WOLCOTT PREV DISCUSSION...KENNEDY/PIERCE FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE: HTTP://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 343 AM PDT WED JUL 24 2013 AZZ001>003-036-CAZ519>527-NVZ014>022-251000- NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-EASTERN SIERRA SLOPES- OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY- DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT- EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- SHEEP RANGE-SPRING MOUNTAINS-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- 343 AM PDT WED JUL 24 2013 /343 AM MST WED JUL 24 2013/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS TODAY AND THIS EVENING WILL OCCUR MAINLY OVER THE MOUNTAINS OF SOUTHERN NEVADA AS WELL AS INYO AND MOHAVE COUNTIES. HEAVY RAIN REMAINS A CONCERN DUE TO SLOW STORM MOTION. FLASH FLOODING AND DEBRIS FLOWS CAN OCCUR QUICKLY IN RECENT BURN AREAS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL OCCUR MAINLY OVER LINCOLN...CLARK...EASTERN SAN BERNARDINO AND MOHAVE COUNTIES THROUGH SUNDAY. A DRIER SOUTHWEST TO WEST FLOW WILL LIMIT THUNDERSTORM CHANCES TO MAINLY EASTERN LINCOLN AND MOHAVE COUNTIES MONDAY WITH THE ENTIRE AREA THUNDERSTORM FREE ON TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER... SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1209 PM PDT WED JUL 24 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM TSTM WND DMG 10 NNW DAGGETT 35.00N 116.93W
07/23/2013 SAN BERNARDINO CA NEWSPAPER
THUNDERSTORM WINDS KNOCKED DOWN 4 MAJOR UTLITY POLES THAT
PROVIDE POWER TO FORT IRWIN. THE ENTIRE MILITARY
OPERATION LOST POWER WHICH IMPACTED POWER FOR ABOUT 3,000
ACTIVE DUTY SOLDIERS THAT LIVE ON BASE. SOME SOLDIERS
LOST GROCERIES AFTER THEY SPOILED DUE TO THE HEAT. THE
EVENT TIME WAS ESTIMATED BY FORT IRWIN BASE WEATHER
OPERATIONS.
&&
DELAYED REPORT
STACHELSKIPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
1218 PM PDT WED JUL 24 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM TSTM WND DMG 10 NNW DAGGETT 35.00N 116.93W
07/22/2013 SAN BERNARDINO CA NEWSPAPER
THUNDERSTORM WINDS KNOCKED DOWN 4 MAJOR UTLITY POLES THAT
PROVIDE POWER TO FORT IRWIN. THE ENTIRE MILITARY
OPERATION LOST POWER WHICH IMPACTED POWER FOR ABOUT 3,000
ACTIVE DUTY SOLDIERS THAT LIVE ON BASE. SOME SOLDIERS
LOST GROCERIES AFTER THEY SPOILED DUE TO THE HEAT. THE
EVENT TIME WAS ESTIMATED BY FORT IRWIN BASE WEATHER
OPERATIONS.
&&
DELAYED REPORT...CORRECTED DATE
STACHELSKIPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LAS VEGAS NV
1219 PM PDT WED JUL 24 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0318 PM FLASH FLOOD 4 SSE OLANCHA 36.23N 117.98W
07/23/2013 INYO CA LAW ENFORCEMENT
CALIFORNIA HIGHWAY PATROL REPORTED MUD ACROSS HIGHWAY 395
AT HAIWEE ROAD. HIGHWAY 395 WAS CLOSED FROM PEARSONVILLE
TO COSO JUNCTION AS A RESULT.
0515 PM HEAVY RAIN SANDY VALLEY 35.80N 115.60W
07/23/2013 E0.50 INCH CLARK NV PUBLIC
THE PUBLIC REPORTED THROUGH FACEBOOK THAT HEAVY RAIN
CAUSED A FEW INCHES OF MUDDY WATER TO DRAIN OFF VACANT
DIRT LAND ONTO ROADS IN SANDY VALLEY.
0700 PM FUNNEL CLOUD 7 N RBW (CLR05) 35.62N 117.25W
07/23/2013 SAN BERNARDINO CA TRAINED SPOTTER
A FUNNEL CLOUD FORMED EAST OF THE TRONA PINNACLES AND WAS
CAPTURED ON VIDEO BY A SPOTTER.
0740 PM FLASH FLOOD 13 WNW TONOPAH 38.14N 117.45W
07/23/2013 ESMERALDA NV LAW ENFORCEMENT
ESMERALDA COUNTY SO REPORTS BAD FLOODING WITH UNAVOIDABLE
DEBRIS IN THE ROAD ON HIGHWAY 6 AT MILE MARKER 46.
&&
SUMMARY OF REPORTS FROM TUESDAY IN THE MOJAVE DESERT AND SOUTHERN
GREAT BASIN.
STACHELSKIThe Las Vegas radar (KESX), 105 km away, was scanning. The volume nearest the first event began at 19:22 UTC.
4 flash flood. Local standard time, as filed.
Water and large rocks washed over Hualapai Mountain Road.
Four to six inches of water and small rocks washed across streets in Colorado City.
A five foot wall of water rushing down the South Moccasin Wash undercut and damaged Pipe Spring Road.
Several basements flooded in Colorado City.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2013Every state in 2013This day in weather historyWarnings in Arizona, July 2013
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 466546, 466549, 466552, 466553.