1 dust storm, as filed by the National Weather Service.
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 Phoenix, AZ wrote its last area forecast discussion before the first event at Aug 24, 10:10 AM MST, 2 hours 20 minutes earlier.
AZZ020>028-CAZ030>033-242245- AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 1010 AM MST TUE AUG 24 2004 SOUTHWEST AND SOUTH-CENTRAL ARIZONA...AND SOUTHEAST CALIFORNIA FORECAST DISCUSSION .SYNOPSIS... AN UPPER LEVEL LOW PRESSURE SYSTEM MOVING ACROSS ARIZONA TODAY WILL CONTAIN JUST ENOUGH MOISTURE TO GIVE ISOLATED SHOWERS AND PERHAPS SOME THUNDERSTORMS OVER SOUTH-CENTRAL ARIZONA INTO THIS EVENING. AFTER THIS SYSTEM MOVES EAST OF THE STATE...A VERY DRY WESTERLY FLOW ALOFT WILL DEVELOP ACROSS THE DESERT SOUTHWEST. THIS WILL MAKE FOR MOSTLY SUNNY SKIES BEGINNING WEDNESDAY AND CONTINUING INTO EARLY NEXT WEEK. TEMPERATURES WILL BE A BIT LOWER TODAY OVER THE CLOUDIER AREAS...THEN WARM BACK UP CLOSE TO NORMAL TOMORROW AND INTO THE WEEKEND. && .DISCUSSION... UPPER LOW MOVING THROUGH THE STATE TODAY IN A RATHER NON-DYNAMICAL FASHION. UPPER JET ASSOCD WITH THIS LOW IS ALREADY SPEEDING OFF TO THE NE...LEAVING OUR ERN CWA UNDER LEFT ENTRANCE REGION...IE NOT THE BEST FOR LIFT. MEANWHILE...CLOUDY SKIES OVER THE SCNTRL PORTIONS IS KEEPING INSOLATION AT A MINIMUM...SO THE AMS IS NOT YET VERY UNSTBL. AND...BY THE TIME GOOD AFTERNOON HEATING COMMENCES...AMS BEGINNING TO DRY OUT (SEE GFS SOUNDINGS). SO...ALL IN ALL...THIS SYSTEM IS TURNING OUT TO BE A NON-SIGNIFICANT ONE FOR THE PHX CWA. DID NOTE AN ISOLD STORM THAT FORMED ON MOUNTAIN TOP DOWN SW OF ORGAN PIPE NM EARLIER THIS MORNING...SO APPARENTLY SOME MEAGER INSTABILITY STILL EXISTS. THEREFORE...ISOLD SHOWERS/TSTMS STILL A POSSIBIILITY ACROSS SCTNRL PORTIONS OF CWA THIS AFTERNOON INTO THIS EVENING. UPDATED POP/WX GRIDS TO REFLECT LOWER PRECIPITATION COVERAGE...AND WENT TO AREAL TERMINOLOGY INSTEAD OF UNCERTAINTY SINCE ALREADY SOME VIRGA/ LIGHT SHOWER EVENTS OUT THERE. AFTER TONIGHT...AMS WARMS ALOFT A BUNCH...SO DOUBT IF RESIDUAL MOISTURE WILL BE ABLE TO RESULT IN ANY CAPE FOR STORMS TOMORROW. SO...BELIEVE THE MID SHIFT DID RIGHT THING DROPPING POPS. ASIDE FROM PREVIOUSLY MENTIONED UPDATES...REST OF FORECASTS APPEAR ON TARGET WITH A DRY WLY FLOW EXPECTED REMAINDER OF THE WEEK AS LONG WAVE TROUGH DEVELOPS OVER THE WEST. APPEARS WE WILL HAVE TO WAIT AWHILE BEFORE MONSOON PATTERN GETS RE-ESTABLISHED. && .PSR WATCHES/WARNINGS/ADVISORIES... AZ...NONE. CA...NONE. && ESTLE
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 903 AM MST TUE AUG 24 2004 AZZ022>024-027-028-250700- GREATER PHOENIX AREA-NORTHWEST AND NORTH CENTRAL PINAL COUNTY- NORTHWEST MARICOPA COUNTY-SOUTHERN GILA/TONTO NF FOOTHILLS- SOUTHWEST MARICOPA COUNTY- 903 AM MST TUE AUG 24 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH-CENTRAL ARIZONA. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ALTHOUGH THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS INTO THIS EVENING...NO WIDESPREAD HEAVY RAIN...DAMAGING WIND OR LARGE HAIL IS EXPECTED. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. AZZ020-021-025-026-CAZ030>033-250700- IMPERIAL COUNTY-JOSHUA TREE NATIONAL PARK- LOWER COLORADO RIVER VALLEY AZ-LOWER COLORADO RIVER VALLEY CA- RIVERSIDE COUNTY/EASTERN DESERTS-SOUTHWEST DESERTS- WEST CENTRAL DESERTS-YUMA/MARTINEZ LAKE AND VICINITY- 903 AM MST TUE AUG 24 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
1 dust storm. Local standard time, as filed.
Gila Bend airport observation visibility reduced to 1/8 of mile in blowing dust caused by gusty thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2004Every state in 2004This day in weather historyWarnings in Arizona, 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: 5415581.