1 thunderstorm wind, as filed by the National Weather Service.
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 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 Aug 19, 2:00 PM PST, 1 hour 42 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 300 PM PDT TUE AUG 19 2003 .SYNOPSIS...SOUTHERLY FLOW WILL BRING A MOIST AND UNSTABLE AIRMASS INTO THE AREA TONIGHT AND WEDNESDAY. THIS WILL RESULT IN A CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE MOHAVE DESERT AND SOUTHERN GREAT BASIN THROUGH THURSDAY. SOUTHWEST FLOW WILL BEGIN TO DRY THINGS OUT A BIT FRIDAY. && .SHORT TERM...DEEP SOUTH TO SOUTHEAST FLOW WILL CONTINUE TO BRING INCREASING MOISTURE INTO THE FORECAST AREA TONIGHT AND WEDNESDAY. VORT MAX NOW OVER SOUTH CENTRAL ARIZONA IS PROGGED BY THE MODELS TO MOVE NORTH TO NORTHWEST THROUGH THE AREA TONGHT AND WEDNESDAY WHICH WILL HELP PROVIDE SOME LIFT DESPITE POTENTIAL LACK OF SUNSHINE. CONVECTION ACROSS THE NORTHERN ZONES WILL LIKELY DIMINISH AFTER SUNSET AND WILL JUST MENTION A SLIGHT CHANCE OF EVENING THUNDERSTORMS THERE. ELSEWHERE...THE ACTIVITY COULD CONTINUE ALL NIGHT AS A RESULT OF THE MOISTURE AND VORTICITY ADVECTION. WILL GO WITH CHANCE WORDING ALL NIGHT LONG IN THOSE ZONES. WITH MOIST AND UNSTABLE AIRMASS COMBINED WITH VORT MAX WEDNESDAY...WILL GO WITH BROAD BRUSH 30 PERCENT CHANCE FOR ALL ZONES. CLOUD COVER MAY LIMIT CONVECTION TO SOME EXTENT SO AM RELUCTANT TO GO WITH HIGHER POPS. MODELS KEEP MOISTURE AND INSTABILITY IN PLACE ALL NIGHT WEDNESDAY NIGHT SO WILL KEEP SLIGHT CHANCE OF THUNDERSTORMS ALL ZONES. GFS QUITE UNSTABLE AND STILL FAIRLY MOIST THURSDAY. DO NOT SEE ANY DYNAMIC SUPPORT SO WILL NOT GO ANY HIGHER THAN 30 PERCENT BUT WILL HAVE AT LEAST A SLIGHT CHANCE OF THUNDERSTORMS FOR ALL ZONES. SOUTHWEST FLOW DEVELOPS ON FRIDAY WITH GFS INDICATING SOME PRETTY GOOD DRYING BEGINNING. WILL GO WITH A SLIGHT CHANCE OF THUNDERSTORMS FOR THE EASTERN THIRD TO HALF OF THE FORECAST AREA AND LEAVE IT DRY FROM ROUGHLY LAS VEGAS WESTWARD. TEMPERATURES WILL BE RELATIVELY COOL WEDNESDAY AND THURSDAY WITH SOME WARMING BY FRIDAY. && .LONG TERM...ON SATURDAY...AN ELONGATED REGION OF HIGH PRESSURE IS FORECAST TO STRETCH FROM ARIZONA TO EASTERN NEBRASKA WITH AN UPPER TROUGH ENTERING THE NORTHWEST COAST. SOUTHERLY FLOW AND THE BEST INSTABILITY CONTINUES OVER THE SOUTHEASTERN CWA SATURDAY WITH THE REST OF THE FORECAST AREA UNDER A DRIER SOUTHWEST FLOW. HAVE THUS KEPT ISOLATED TYPE POPS IN PORTIONS OF MOHAVE COUNTY AND THE REST OF THE AREA DRY. SUNDAY THROUGH TUESDAY...THE HIGH SHIFTS WEST TO A POSITION NEARLY OVERHEAD WHICH SHOULD HELP SUPPRESS ANY CONVECTION DURING THIS TIME PERIOD. TEMPERATURES ARE EXPECTED TO WARM TO NEAR NORMAL BY SUNDAY. && .LAS...NONE. && HARRISON/SALMEN
AZZ001>003-036-CAZ026>029-NVZ013>022-201400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 700 AM PDT TUE AUG 19 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST CALIFORNIA/SOUTHERN NEVADA/NORTHWEST ARIZONA .DAY ONE...TODAY. NO WIDESPREAD HAZARDOUS WEATHER EXPECTED. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. HOWEVER...AN UPPER LEVEL LOW NEARING THE CALIFORNIA COAST WILL PUSH A SIGNIFICANT AMOUNT OF MOISTURE WELL INTO NEVADA WEDNESDAY AND THURSDAY WHICH WILL LEAD TO SCATTERED THUNDERSTORMS. WHILE THE STORMS SHOULD MOVE AT RELATIVELY BRISK PACE...THERE IS A CHANCE FOR ISOLATED FLASH FLOODING IF SOME OF THE STORMS REPEATEDLY PASS OVER THE SAME LOCATION.
The Las Vegas radar (KESX), 57 km away, was scanning. The volume nearest the first event began at 23:40 UTC.
1 thunderstorm wind. Local standard time, as filed.
Winds gusting to 50 mph blew down several trees in northwest Las Vegas. Visibility was reduced to below a quarter mile due to the blowing dust and debris.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2003Every state in 2003This day in weather historyWarnings in Nevada, August 2003
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: 5378066.