1 tornado, 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 Flagstaff, AZ wrote its last area forecast discussion before the first event at Sep 29, 10:25 AM MST, 2 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1025 AM MST WED SEP 29 2004 .SYNOPSIS...A PACIFIC STORM SYSTEM WILL CONTINUE TO MOVE ACROSS THE REGION THROUGH THURSDAY. SHOWERS AND THUNDERSTORMS WILL MAINLY BE ACROSS NORTHERN SECTIONS OF THE STATE ALONG THE UTAH BORDER AND IN EASTERN SECTIONS ALONG THE NEW MEXICO BORDER THROUGH THURSDAY. HIGH PRESSURE WILL BUILD OVER THE AREA BY SUNDAY...SO EXPECT MOSTLY CLEAR SKIES AND A SLOW WARMING TREND. && .DISCUSSION...AWIPS SERVER PROBLEMS THIS EVENING DELAYED ISSUANCE OF THE ZONES AND AFD. STORM SYSTEM OVER SOUTHWEST UTAH THIS EVENING...WILL SLOWLY PROGRESS TO THE EAST OF THE STATE LATE ON THURSDAY. COOL TEMPERATURES ALOFT WILL AID AFTERNOON THUNDERSTORM DEVELOPMENT ESPECIALLY ALONG THE UTAH BORDER. SLIGHTLY DEEPER MOISTURE ALONG THE NEW MEXICO BORDER AND STRONG LAPSE RATES...WILL ALSO AID THUNDERSTORM DEVELOPMENT IN THIS REGION. THERE IS THE POSSIBILITY OF LINGERING ISOLATED AFTERNOON SHOWERS OR THUNDERSTORMS ALONG THE UTAH BORDER FRIDAY AND SATURDAY...DUE TO A WEAK TROUGH EXTENDING THROUGH SOUTHERN CALIFORNIA INTO COLORADO. MOISTURE POOLS ALONG THIS WEAK TROUGH AND COOL 500 MB TEMPERATURES AROUND -16 C WILL PROVIDE LIS FROM -1 TO -3 DURING THE AFTERNOON...WE CAN NOT RULE OUT THE POSSIBILITY OF A FEW AFTERNOON SHOWERS AND THUNDERSTORMS. 500 MB HIGH BUILDS OVER THE SOUTHWEST U.S. ON SUNDAY...BRINGING DRIER AND MORE STABLE CONDITIONS. AS A RESULT...THE ISOLATED SHOWER AND THUNDERSTORM ACTIVITY ALONG THE UTAH BORDER WILL COME TO AN END. ANOTHER WEATHER SYSTEM MOVES ACROSS THE STATE LATE ON MONDAY INTO TUESDAY TO BRING ANOTHER CHC OF PRECIPITATION ALONG WITH COOLER TEMPERATURES. HIGH PRESSURE BUILDS INTO THE AREA BY MIDWEEK FOR DRY AND WARMER CONDITIONS. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && TC
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 715 AM MST WED SEP 29 2004 AZZ004>018-037>040-301400- WESTERN MOGOLLON RIM-GRAND CANYON COUNTRY-YAVAPAI COUNTY MOUNTAINS- YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS- MARBLE AND GLEN CANYONS-KAIBAB PLATEAU-COCONINO PLATEAU- NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD- NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264- CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- BLACK MESA AREA-LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY- LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY- EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY- 715 AM MST WED SEP 29 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY A PACIFIC STORM SYSTEM WILL MOVE THROUGH NORTHERN ARIZONA LATER TODAY AND THIS EVENING. MOISTURE AHEAD OF THIS STORM WILL CONTINUE TO PRODUCE SHOWERS AND THUNDERSTORMS TODAY...ESPECIALLY EAST OF FLAGSTAFF. MOST STORMS WILL CONTAIN LIGHT TO MODERATE RAIN AND NO HAIL. ISOLATED STRONGER STORMS WILL CONTAIN HEAVY RAIN AND HAIL UP A HALF INCH IN DIAMETER. THE BEST CHANCE FOR STRONG STORMS TODAY WILL BE FROM HEBER EAST AND NORTHEAST. STORM MOTION IS FROM THE SOUTHWEST AT 30 MPH...SO MOST LOCATIONS WILL NOT HAVE PROBLEMS WITH FLOODING AS THE HEAVY RAIN WILL MOVE AWAY QUICKLY. ISOLATED AREAS EAST OF FLAGSTAFF THAT WILL SEE MORE FREQUENT STORMS MAY EXPERIENCE SOME MINOR PONDING OF WATER OR STREET FLOODING TODAY. SHOWERS AND THUNDERSTORMS WILL DECREASE RAPIDLY FROM THE WEST TONIGHT...WITH ONLY ISOLATED COVERAGE EAST OF FLAGSTAFF BY EARLY THURSDAY MORNING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Flagstaff radar (KFSX), 82 km away, was scanning. The volume nearest the first event began at 19:49 UTC.
1 tornado. Local standard time, as filed.
A tornado was on the ground for about 15 minutes about 10 miles east of Winslow and 5 miles north of Jack Rabbit. The tornado was visible from Interstate 40 and an ADOT employee was able to photograph the tornado at milepost 162.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2004Every state in 2004This day in weather historyThe tornado archive for Arizona, 2004Warnings 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: 5424292.