Two people in the Las Vegas Valley died of heat related causes. High temperatures on the dates of death were 107 and 108 degrees.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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.
Two people in the Las Vegas Valley died of heat related causes. High temperatures on the dates of death were 107 and 108 degrees.
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 29, 7:30 AM PST, 4 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV...UPDATED 830 AM PDT WED JUL 29 2009 .SYNOPSIS...HIGH PRESSURE WILL REMAIN CENTERED OVER NORTHWEST MEXICO THROUGH FRIDAY WHICH WILL KEEP DRY AND STABLE CONDITIONS OVER THE MOJAVE DESERT. PERSISTENT MID LEVEL MOISTURE AND INSTABILITY WILL LEAD TO ISOLATED SHOWERS AND THUNDERSTORMS OVER INYO...ESMERALDA...LINCOLN AND CENTRAL NYE COUNTIES TODAY. TEMPERATURES WILL BE A LITTLE COOLER DUE TO A WEAK DISTURBANCE MOVING ACROSS CENTRAL NEVADA. && .UPDATE...A WEAK DISTURBANCE CURRENTLY MOVING THROUGH CENTRAL CALIFORNIA IS ALREADY KICKING OFF A FEW SHOWERS AND THUNDERSTORMS OVER THE OWENS VALLEY AND LINCOLN COUNTY. EXPECT COVERAGE TO INCREASE THIS AFTERNOON...ESPECIALLY EAST AND NORTH OF THE LOW CENTER. THIS PUTS LINCOLN COUNTY IN THE HIGHEST THREAT FOR THUNDERSTORMS TODAY. 12Z MODEL RUNS ALSO SHOW THE LOW CENTER TO BE A LITTLE FURTHER SOUTH THAT EARLIER RUNS WHICH MAY INCREASE POP CHANCES FOR NORTHERN SAN BERNARDINO COUNTY ALONG WITH THE SHEEP RANGE AND SPRING MOUNTAINS. FOR NOW WILL MAKE A FEW UPDATES TO INCREASE POPS OVER THE NORTHERN CWA FOR THIS MORNING. && .PREVIOUS VERSION...322 AM PDT WED JUL 29...SHORT TERM...HIGH PRESSURE WILL REMAIN CENTERED TO OUR SOUTH THROUGH FRIDAY WHICH WILL KEEP DRY AND STABLE CONDITIONS OVER THE MOJAVE DESERT. A WEAK DISTURBANCE OVER CENTRAL CALIFORNIA EARLY THIS MORNING WILL MOVE INTO NEVADA TODAY. THIS WILL COOL TEMPERATURES A FEW DEGREES COMPARED TO YESTERDAY AND WILL ALSO HELP TRIGGER ISOLATED TO SCATTERED THUNDERSTORMS ACROSS GENERALLY THE NORTHERN HALF OF THE FORECAST AREA. EVEN AFTER THIS DISTURBANCE MOVES EAST OF THE AREA...THE TYPICAL CONVERGENCE ZONE ACROSS THE NORTHERN ZONES WILL KEEP ISOLATED AFTERNOON AND EVENING THUNDERSTORMS IN THE FORECAST THURSDAY AND FRIDAY. .LONG TERM...FOR THE PERIOD BEGINNING SATURDAY MORNING...STRONG RIDGING OVER THE WESTERN US EXTENDING AS FAR NORTH AS THE YUKON WILL BE THE DOMINANT FEATURE THROUGH AT LEAST THE MIDDLE OF NEXT WEEK. A CLOSED LOW WILL MEANDER WELL OFF THE CALIFORNIA COAST BENEATH THE RIDGING...WHICH WILL HELP INCREASE SOUTHWESTERLY FLOW ACROSS THE FORECAST AREA. MAINLY CLEAR SKIES...ABOVE NORMAL TEMPERATURES...AND LOCALLY BREEZY AFTERNOON SURFACE WINDS ARE EXPECTED...WITH MINIMAL DAY TO DAY CHANGE. && .AVIATION...FOR MCCARRAN...A FEW CUMULUS OVER THE SURROUNDING MOUNTAINS ARE EXPECTED FROM LATE MORNING THROUGH EARLY EVENING. WINDS WILL BE LIGHT THIS MORNING...THEN BECOME SOUTHWESTERLY WITH GUSTS INTO THE HIGH TEENS AS WINDS ALOFT MIX DOWN TO THE SURFACE. ANY THUNDERSTORM DEVELOPMENT WILL BE ISOLATED TO NORTH AND EAST OF THE AREA. FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST CALIFORNIA...ISOLATED THUNDERSTORMS EXPECTED TODAY...MAINLY NORTH OF LAS VEGAS. LIGHT WINDS WILL BECOME SOUTHWESTERLY DURING THE AFTERNOON...WITH GUSTS UP TO 20KTS POSSIBLE. && .VEF WATCHES/WARNINGS/ADVISORIES... NV...NONE. AZ...NONE. CA...NONE. && HARRISON/KENNEDY HTTP://WEATHER.GOV/LASVEGAS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 535 AM PDT WED JUL 29 2009 AZZ001>003-036-CAZ519>527-NVZ014>022-300500- 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- 535 AM PDT WED JUL 29 2009 /535 AM MST WED JUL 29 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT HIGH PRESSURE OVER NORTHWEST MEXICO WILL KEEP THE MOJAVE DESERT UNDER DRY AND STABLE CONDITIONS. A WEAK DISTURBANCE MOVING INTO NEVADA WILL CAUSE SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS NORTHERN INYO COUNTY INTO ESMERALDA AND CENTRAL NYE AND LINCOLN COUNTIES. ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE IN NORTHERN MOJAVE COUNTY. TEMPERATURES WILL BE A LITTLE COOLER TODAY DUE TO THE WEAK DISTURBANCE MOVING ACROSS CENTRAL NEVADA. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY HIGH PRESSURE WILL REMAIN CENTERED OVER NORTHWEST MEXICO THROUGH FRIDAY WHICH WILL KEEP DRY AND STABLE CONDITIONS OVER THE MOJAVE DESERT. PERSISTENT MID LEVEL MOISTURE AND INSTABILITY WILL LEAD TO ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ACROSS THE SOUTHERN GREAT BASIN. DRY SOUTHWEST FLOW IS EXPECTED ACROSS THE REGION SATURDAY THROUGH 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.
The national radar mosaic for the moment the first event began.
2 heat. Local standard time, as filed.
One woman died in Las Vegas of heat related causes.
One man died in Las Vegas of heat related causes.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Heat, Las Vegas Valley | 2009-07-29 | 82 | Female | Permanent Home | Direct |
| Heat, Las Vegas Valley | 2009-07-31 | 58 | Male | Outside/Open Areas | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2009Every state in 2009This day in weather historyWarnings in Nevada, July 2009
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: 181234, 181235.