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 Flagstaff, AZ wrote its last area forecast discussion before the first event at Sep 19, 2:30 PM MST, 1 hour 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 230 PM MST SUN SEP 19 2004 .SYNOPSIS...SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS NORTHERN ARIZONA TONIGHT. THE RAIN WILL BE HEAVY AT TIMES...ESPECIALLY OVER THE HIGHER ELEVATIONS OF GILA COUNTY...THE MOGOLLON RIM...AND THE WHITE MOUNTAINS. IN ADDITION TO THE RAIN...LOCALLY WINDY CONDITIONS ARE EXPECTED ACROSS THE REGION AS A COLD FRONT APPROACHES FROM THE WEST. THIS FRONT WILL END THE RAINFALL MONDAY NIGHT...AND WILL BRING COOLER TEMPERATURES TO MUCH OF THE STATE FOR NEXT WEEK. && .DISCUSSION...THE REMNANTS OF JAVIER HAVE MOVED INTO N MEX. MOIST SW FLOW WILL CONTINUE OVER THE STATE THIS EVENING...ESPECIALLY THE EASTERN HALF. WILL DROP THE FLASH FLOOD WATCH FOR THE NW SECTIONS OF THE OF THE CWA WHERE DRIER AND MORE STABLE AIR IS SEEN MOVING INTO THE AREA. WILL CONTINUE FLASH FLOOD WATCH UNTIL MIDNIGHT FOR THE RIM AND WHITES. LIFT THERE REMAINS STRONG WITH UPSLOPE FLOW AND A JET OVERHEAD. PRECIP...HEAVY AT TIMES...WILL CONTINUE THRU THE EVENING THEN GRADUALLY DIMINISH BY EARLY MORNING AS THE BULK OF JAVIERS MOISTURE MOVES EAST OF THE STATE. MID LEVELS DRY SIGNIFICANTLY BUT PLENTY OF LOWER LEVEL MOISTURE WILL REMAIN OVER THE CWA MONDAY. WILL KEEP SCT POPS GOINGS FOR THE HIGHER TERRAIN AREAS. THE TROF TO THE WEST IS EXPECTED TO MOVE SLOWLY ACROSS THE STATE MONDAY AND TUESDAY WITH THE AXIS FINALLY EXITING INTO NM BY EARLY WEDNESDAY MORNING. THIS WILL SCOUR OUT THE REMAINING LOW LEVEL MOISTURE AND USHER IN A COOLER AIR MASS FOR THE REST OF THE WEEK. WINDS LOOK BREEZY AGAIN TOMORROW...SPEEDS SHOULD DECREASE ON TUESDAY AS GRADIENTS SLACKEN. DF && .FGZ WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH AZ ZONES 008...015>018/37/38 UNTIL MIDNIGHT MST TONIGHT. &&
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
Flash flooding covered Highway 99 to a depth of 18 inches halfway between Leupp and Leupp Corner.
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, September 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: 5424203.