1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 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 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 Tucson, AZ wrote its last area forecast discussion before the first event at Jul 26, 2:35 PM MST, 2 hours 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 235 PM MST MON JUL 26 2004 SOUTHEAST ARIZONA FORECAST DISCUSSION .SYNOPSIS...A WEAK UPPER LEVEL DISTURBANCE MOVING ACROSS THE AREA WILL PROVIDE SCATTERED THUNDERSTORMS TO SOUTHEAST ARIZONA TONIGHT. HIGH PRESSURE ALOFT WILL BUILD SOUTH OF THE AREA THIS WEEK. A DRYING TREND WILL RESULT WITH THUNDERSTORM ACTIVITY CONFINED MAINLY NEAR THE MOUNTAINS BY THE END OF THE WEEK. A RETURN TO A MORE SEASONAL MONSOON PATTERN IS EXPECTED LATE THIS WEEKEND AND DURING THE FOLLOWING WEEK AS THE HIGH PRESSURE CENTER MOVES NORTHWARD. && .DISCUSSION...KEMX WSR-88D DETECTED ONLY ISOLATED MOSTLY LESS THAN 35 DBZ ECHOES ACROSS SRN COCHISE AND SANTA CRUZ COUNTIES AT 2130Z. OTHER ISOLATED ECHOES WERE N OF HANNAGAN MEADOW NEAR THE WHITE MOUNTAINS AND ACROSS FAR WRN PIMA COUNTY. AIRMASS OVER SRN AZ REMAINS RATHER MOIST AND UNSTABLE AND WITH THE ASSISTANCE OF SHORTWAVE TROUGH APPROACHING THE AREA EXPECT SCATTERED SHOWERS AND THUNDERSTORMS AREAWIDE TONIGHT. BELIEVE ACTIVITY WILL DECREASE ACROSS MOST SECTIONS BY MIDNIGHT ALTHOUGH MODELS SUGGEST ISOLATED CELLS MAY YET OCCUR ACROSS ERN SECTIONS AFTER MIDNIGHT. SCATTERED MAINLY AFTERNOON/EVENING THUNDERSTORMS ESPECIALLY CENTRAL/ERN SECTIONS EXPECTED TUE. THEREAFTER UPPER HIGH TO BECOME POSITIONED ESSENTIALLY SW OF THIS FORECAST AREA VICINITY NRN BAJA DURING THE MIDDLE AND LATTER PART OF THE WEEK. DISTINCT DRYING REGIME ON TAP FOR SE AZ AND PER COORD WITH WFO/S PSR/FGZ HAVE OPTED TO CONTINUE DOWNWARD TREND FOR PRECIP CHANCES ESPECIALLY DURING THE THUR-FRI PERIOD. BELIEVE SHOWERS AND THUNDERSTORMS AT THAT TIME WILL BE CONFINED MAINLY NEAR THE MOUNTAINS AND EVEN THAT MAY BE OVERLY GENEROUS. EXTENDED GUIDANCE INDICATES THAT A SIGNIFICANT RETURN OF MOISTURE MAY NOT OCCUR UNTIL EARLY NEXT WEEK. SO FAR THIS SEASON THE MODELS SEEM TO HAVE BEEN ABOUT A DAY SLOW IN TERMS OF DEPICTING THE ONSET OF THE ALBEIT FEW SIGNIFICANT PRECIP EVENTS. AT ANY RATE WILL OPT TO GRADUALLY INCREASE PRECIP CHANCES SUN INTO MON. FINALLY HAVE MODIFIED UPWARD A FEW DEGREES OR SO MAX TEMPS DURING THE LATTER PART OF THE WEEK AND MADE A SIMILAR DOWNWARD ADJUSTMENT ON MIN TEMPS GIVEN THE EXPECTED DRYING TO OCCUR. && .TWC WATCHES/WARNINGS/ADVISORIES...NONE. BF
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TUCSON AZ 1215 PM MST MON JUL 26 2004 AZZ019-029>035-270700- NORTHERN GREENLEE COUNTY-UPPER GILA RIVER VALLEY-COCHISE COUNTY-SOUTHEAST PINAL COUNTY-TUCSON METRO/MARANA/GREEN VALLEY-SANTA CRUZ COUNTY-TOHONO OODHAM NATION-WESTERN PIMA COUNTY- 1215 PM MST MON JUL 26 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ARIZONA .DAY ONE...TODAY SYNOPSIS...THE POTENTIAL FOR HEAVY RAINFALL IS NEAR NORMAL ACROSS SOUTHEAST ARIZONA TODAY. THE POTENTIAL FOR STRONG DOWNBURST WINDS IS NEAR NORMAL TODAY. DAYTIME HEATING IN COMBINATION WITH ABUNDANT MOISTURE AND AN UPPER LEVEL DISTURBANCE WILL PROVIDE ALL OF SOUTHEAST ARIZONA WITH A CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING. DISCUSSION...THE UPPER AIR SOUNDING AT TUCSON THIS MORNING DEPICTED A PRECIPITABLE WATER VALUE OF 1.36 INCHES AND THEREFORE WAS ABOUT 0.20 INCHES LOWER VERSUS 24 HOURS AGO. THE PROFILE WAS AGAIN UNSTABLE WITH A MODIFIED LIFTED INDEX VALUE NEAR MINUS 3 AND THE MODIFIED SURFACE-BASED CAPE VALUE NEAR 800 J/KG. AREAS EAST OF TUCSON HAD SIGNIFICANT CLOUD COVER THIS MORNING...HENCE PROHIBITING HEATING AT MANY LOCATIONS. EVEN WITH THIS CLOUD COVER AN UPPER LEVEL DISTURBANCE...MOVING ACROSS SOUTHEAST ARIZONA TODAY...WILL HELP TO PROMPT THE DEVELOPMENT OF THUNDERSTORMS AGAIN THIS AFTERNOON AND EVENING. THUNDERSTORM DEVELOPMENT FROM TUCSON EASTWARD...MAINLY NEAR MOUNTAINS...HAS ALREADY BEGUN THIS MORNING. UPPER LEVEL HIGH PRESSURE WAS CENTERED JUST WEST OF THE SOUTHERN CALIFORNIA COAST THIS MORNING WITH A NORTHEAST MID LEVEL FLOW OVER SOUTHERN ARIZONA. SHOWERS AND THUNDERSTORMS THAT DEVELOP THIS AFTERNOON ALONG THE MOGOLLON RIM WILL MOVE TO THE SOUTHWEST LATER THIS AFTERNOON AND EVENING. SOME OF THESE STORMS HOLD THE POTENTIAL FOR WIND GUSTS IN EXCESS OF 55 MPH ALONG WITH SMALL HAIL. IT APPEARS THAT THE MAIN CONCERN WILL BE WITH REGARD TO LOCALLY HEAVY RAINFALL AGAIN TODAY. RAINFALL AMOUNTS OF 1 TO 1.5 INCHES WILL BE POSSIBLE WITH THE STRONGEST STORMS. THE BULK OF ANY PRECIPITATION THAT DEVELOPS SHOULD DECREASE IN COVERAGE AND INTENSITY BEFORE MIDNIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY. A FAIRLY LOW-GRADE MONSOON PATTERN IS EXPECTED TUESDAY AND WEDNESDAY. THE UPPER HIGH IS FORECAST TO BE POSITIONED OVER NORTHERN BAJA BY WEDNESDAY AS A STRONG TROUGH OF LOWER PRESSURE MOVES ACROSS THE NORTHERN ROCKIES. THIS PATTERN WILL LEAD TO DECREASED THUNDERSTORM CHANCES ACROSS SOUTHEAST ARIZONA WEDNESDAY THROUGH SATURDAY AS WELL AS A DRYING TREND. AN UPSWING IN THUNDERSTORM ACTIVITY MAY OCCUR LATE NEXT WEEKEND AND INTO NEXT WEEK AS THE UPPER HIGH REBUILDS NORTH OF THE AREA. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ELSLAGER
The Tucson radar (KEMX), 46 km away, was scanning. The volume nearest the first event began at 23:44 UTC.
1 flash flood. Local standard time, as filed.
A wall of water swept a woman and two teenage girls off their feet and washed them downstream. The two girls where rescued by local officials, however the woman could not be saved.
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 |
|---|---|---|---|---|---|
| Flash Flood, Santa Cruz | 2004-07-26 | 32 | Female | In Water | Direct |
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, July 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: 5415775.