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 1, 2:40 PM PST, 4 hours 42 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 340 PM PDT SUN AUG 1 2004 .SYNOPSIS...A MOIST SOUTHERLY FLOW WILL CONTINUE UNTIL MONDAY MORNING WITH THUNDERSTORMS OVER MUCH OF THE AREA THIS EVENING. A DRIER SOUTHWEST FLOW WILL DEVELOP MONDAY AFTERNOON AS A LOW PRESSURE SYSTEM MOVES INTO THE PACIFIC NORTHWEST. SOME THUNDERSTORMS WILL LINGER OVER MOHAVE AND EASTERN LINCOLN COUNTIES. EVEN THESE AREAS WILL DRY OUT BY TUESDAY AS SOUTHWEST FLOW PERSISTS. && .SHORT TERM...THUNDERSTORMS DEVELOPED PRETTY MUCH AS EXPECTED THIS AFTERNOON AND WILL CONTINUE THROUGH THE EVENING OVER MOST OF THE FORECAST AREA AS MOIST SOUTHERLY FLOW PERSISTS. DRY SOUTHWEST FLOW WILL START TO DEVELOP MONDAY AS AN UPPER TROUGH MOVES INTO THE PACIFIC NORTHWEST. MOST OF THE FORECAST WILL HAVE MOSTLY SUNNY SKIES AND DRY CONDITIONS. MOISTURE AND INSTABILITY WILL LINGER OVER NORTHEAST LINCOLN COUNTY AND MUCH OF MOHAVE COUNTY. WILL LEAVE A SLIGHT CHANCE OF THUNDERSTORMS IN THOSE AREAS. SOUTHWEST FLOW BECOMES FIRMLY ESTABLISHED OVER THE FORECAST AREA TUESDAY AND WEDNESDAY WITH MOSTLY SUNNY AND DRY CONDITIONS OVER ALL ZONES. THERE ARE INDICATIONS FROM THE MODELS THAT THE MOIST SOUTHERLY FLOW WILL PERSIST JUST EAST OF MOHAVE COUNTY SO OUTFLOW FROM STORMS THAT DEVELOP THERE WILL HAVE TO BE WATCHED. .LONG TERM...MODELS IN REAL GOOD AGREEMENT WITH SYNOPTIC FEATURES THIS MORNING. SHORTWAVE TROUGH OFF THE NORTHWEST COASTLINE THURSDAY MORNING EJECTS NORTHEASTWARD INTO THE PACIFIC NORTHWEST AND SOUTHWESTERN CANADA. MEANWHILE...UPPER LEVEL HIGH IS CENTERED NEAR THE EL PASO TEXAS AREA. THIS PROVIDES A GENERAL SOUTHWESTERLY FLOW PATTERN OVER THE FORECAST AREA. NOT MUCH CHANGE FRIDAY WITH THE UPPER FLOW OVER THE WEST OR POSITION OF THE HIGH. BY SATURDAY...THE HIGH EXPANDS AND BUILDS OVER THE INTERMOUNTAIN REGION WITH THE H5 FLOW BECOMING MORE SOUTHERLY. THE HIGH THEN EXPANDS NORTHWARD SUNDAY WITH THE RIDGE AXIS ORIENTED NORTH TO SOUTH OVER WESTERN UTAH AND ARIZONA. NO REAL STRONG INDICATION OF MOISTURE RETURN IN THE EXTENDED...SO HAVE CONTINUED TO CARRY A DRY FORECAST. TEMPERTURES SHOULD SLOWLY INCREASE THURS-SUN WITH SUNDAY BEING POSSIBLY THE WARMEST DAY OF THE COMING WEEK. && .AVIATION...TAF ADEQUATELY COVERS ALL SIGNIFICANT WEATHER EXPECTED AT KLAS. && .VEF WATCHES/WARNINGS/ADVISORIES... .NV...RED FLAG WARNING NORTHWEST ZONE 456 UNTIL 9 PM. .AZ...NONE. .CA...NONE. && SALMEN/HARRISON
AZZ001>003-036-CAZ026>029-NVZ014>022-021530- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 830 AM PDT SUN AUG 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST CALIFORNIA/SOUTHERN NEVADA/NORTHWEST ARIZONA .DAY ONE...TODAY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER MUCH OF THE AREA TODAY. ANY STORMS THAT FORM WILL MOVE FAIRLY RAPIDLY FROM SOUTH TO NORTH SO HEAVY RAIN AND FLOODING IS NOT EXPECTED. HOWEVER GUSTY WINDS ARE POSSIBLE WITH THUNDERSTORMS. A RED FLAG WARNING HAS BEEN ISSUED FOR LINCOLN COUNTY FOR DRY LIGHTNING WHICH COULD CAUSE FIRE STARTS. A RED FLAG WARNING HAS BEEN ISSUED FOR ESMERALDA AND CENTRAL NYE COUNTY FOR GUSTY WINDS AND MINIMUM RELATIVE HUMIDITIES LESS THAN 15 PERCENT. THESE CONDITIONS COULD CAUSE EXTREME FIRE BEHAVIOR SHOULD A FIRE START. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SKYWARN ACTIVATION IS NOT ANTICIPATED BUT WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Las Vegas radar (KESX), 80 km away, was scanning. The volume nearest the first event began at 03:21 UTC.
1 thunderstorm wind. Local standard time, as filed.
The National Park Service at Echo Bay reported an estimated sustained winds of 40 mph with a gust of 70 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2004Every state in 2004This day in weather historyWarnings in Nevada, August 2004
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: 5416883.