Strong heating helped fuel a dust devil in Henderson.
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.
Strong heating helped fuel a dust devil in Henderson.
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, 2:00 PM PST, 18 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 300 PM PDT WED JUL 29 2009 .SYNOPSIS...HIGH PRESSURE WILL REMAIN CENTERED OVER NORTHWEST MEXICO THROUGH FRIDAY WHICH WILL KEEP DRY AND STABLE CONDITIONS OVER MUCH OF THE MOJAVE DESERT. A WEAK DISTURBANCE MOVING THROUGH CENTRAL NEVADA WILL KEEP A CHANCE OF LATE MORNING AND AFTERNOON THUNDERSTORMS GOING THROUGH THURSDAY ACROSS LINCOLN AND FAR NORTHERN MOHAVE COUNTY. TEMPERATURES ARE FORECAST TO BE SLIGHTLY ABOVE NORMAL THROUGH THE END OF THE WEEK. && .SHORT TERM...WEAK DISTURBANCE MOVING THROUGH INYO COUNTY IS HELPING TO GENERATE ISOLATED TO SCATTERED THUNDERSTORMS OVER THE NORTHERN AND WESTERN AREAS OF THE CWA. SOME CLOUDS HAVE DEVELOPED OVER NORTHERN SAN BERNARDINO COUNTY ALONG WITH THE SOUTHERN NEVADA MOUNTAINS...HOWEVER IT LOOKS LIKE THE ATMOSPHERE IS TO STABLE TO GENERATE STORMS THIS FAR SOUTH. AS THE LOW CONTINUES TO TRACK EAST...LOOK FOR STORMS TO CONTINUE INTO THIS EVENING AND POSSIBLE OVERNIGHT ACROSS LINCOLN AND NYE COUNTIES AS ENOUGH ENERGY SHOULD REMAIN AVAILABLE. THIS DISTURBANCE IS FORECAST TO TRACK EAST OVERNIGHT TONIGHT AND EVENTUALLY WEAKEN. FORECASTED MODEL SOUNDINGS FROM THE WESTERN HALF OF THE CWA SHOW SIGNIFICANT DRYING OCCURRING THURSDAY WHILE AREAS AROUND LINCOLN COUNTY REMAIN FAIRLY MOIST AND UNSTABLE. LOOKS LIKE ISOLATED TO SCATTERED SHOWERS WILL ONCE AGAIN DEVELOP OVER LINCOLN COUNTY AND NORTHERN MOHAVE COUNTY THURSDAY AFTERNOON. MODELS INDICATE MOISTURE TO HANG AROUND ON FRIDAY ALSO OVER THE EASTERN HALF OF THE CWA...BUT COVERAGE IS EXPECTED TO BE LESS. TEMPERATURES WILL FALL A COUPLE OF DEGREES THURSDAY AND REMAIN NEAR NORMAL INTO THE WEEKEND. .LONG TERM...FOR THE PERIOD BEGINNING SATURDAY MORNING...STRONG HIGH AMPLITUDE RIDGING OVER THE WESTERN STATES THROUGH THE EXTENDED... WHICH IS NOT MUCH CHANGE IN THE PREVIOUS FORECAST. LATEST PROGS IN CLOSER AGREEMENT ON THE CLOSED LOW THAT WILL APPROACH THE CALIFORNIA COAST BENEATH THE RIDGING. BEGINNING LATE SATURDAY ON THROUGH MONDAY THE LOW WILL BRING DRY SOUTHWEST FLOW TO THE AREA AS IT NUDGES THE RIDGE AXIS EAST. WIND SPEED INCREASES ARE EXPECTED WITH THIS PATTERN. FOR NOW EXPECT NOTHING STRONG ENOUGH TO APPROACH ANY ADVISORY CRITERIA BUT WE WILL NEED TO WATCH FOR FIRE WEATHER CONCERNS THEN. THE LOW FINALLY WANDERS OFF TO THE NORTHWEST COAST AS THE UPPER RIDGE STARTS TO SET UP NEAR THE FOUR CORNERS AND MAY SIGNAL A RETURN TO MOIST FLOW INTO OUR AREA LATE NEXT WEEK. .AVIATION...FOR MCCARRAN...THUNDERSTORMS WELL TO THE NORTH OF LAS VEGAS WILL BE A CONCERN TO THE MORMON MESA AND BEATTY CORRIDORS THROUGH LATE TONIGHT AS THE EAST-WEST LINE OF STRONG THUNDERSTORMS WILL STRADDLE THOSE TWO CORRIDORS. THE LAS VEGAS AREA WILL HAVE GUSTY SOUTHWEST WINDS THROUGH MID EVENING WITH MINIMAL CLOUD COVER. WINDS WILL BE LIGHT AND VARIABLE THURSDAY MORNING BEFORE BECOMING GUSTY SOUTHWEST AGAIN IN THE AFTERNOON. FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST CALIFORNIA...ISOLATED TO SCATTERED THUNDERSTORMS EXPECTED THROUGH LATE TONIGHT IN THE SIERRA...AND STRADDLING SOUTHERN NYE AND CENTRAL LINCOLN COUNTIES. THESE STORMS WILL PRODUCE VERY STRONG OUTFLOW WIND GUSTS. ELSEWHERE CLOUD COVER WILL BE MINIMAL WITH HOT TEMPERATURES AND GUSTY SOUTHWEST WINDS THIS AFTERNOON AND EVENING AND THEN REPEATING FOR THURSDAY. FOR THURSDAY THUNDERSTORMS ARE AGAIN EXPECTED IN THE ABOVE MENTIONED AREAS. && .VEF WATCHES/WARNINGS/ADVISORIES... NV...NONE. AZ...NONE. CA...NONE. && GORELOW/JACQUES 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.
1 dust devil. Local standard time, as filed.
A dust devil damaged approximately 12 homes in the Mountain View Mobile Home Park.
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: 176354.