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 9, 10:00 AM MST, 3 hours 15 minutes earlier.
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1000 AM MST TUE SEP 9 2003
.SYNOPSIS...FREQUENT SHOWERS AND THUNDERSTORMS WILL AFFECT MUCH OF
THE REGION THROUGH WEDNESDAY. DRIER NORTHERLY FLOW WILL MOVE OVER
ARIZONA BY THURSDAY...WITH NO MORE PRECIPITATION EXPECTED LATE THIS
WEEK AND INTO THE COMING WEEKEND. COOL TEMPERATURES WILL ACCOMPANY
THE RAIN TODAY AND WEDNESDAY...WITH CONDITIONS RETURNING TO NORMAL
BY THE WEEKEND.
.DISCUSSION...A LONG-WAVE TROUGH WILL REMAIN OVER THE WESTERN UNITED
STATES TODAY AND WEDNESDAY WITH A SERIES OF SHORT-WAVE DISTURBANCES
MOVING THROUGH THE FLOW. PLENTY OF TROPICAL MOISTURE HAS MOVED INTO
NORTHERN ARIZONA AND ANY SHOWERS OR THUNDERSTORMS THAT FORM ARE SURE
TO PRODUCE HEAVY RAIN. THE BEST COMBINATION OF UPSLOPE
FLOW...MOISTURE AND UPPER DYNAMIC WILL MOVE ACROSS THE MOGOLLON
RIM...YAVAPAI AND GILA COUNTIES THIS AFTERNOON AND TONIGHT. ANOTHER
AREA TO WATCH WILL BE FAR NORTHEAST ARIZONA WHERE MOISTURE...DYNAMICS
AND COLD AIR ALOFT WILL COMBINE TO PRODUCE ANOTHER AREA OF FOCUS FOR
HEAVY STORMS.
THE LONG-WAVE TROUGH MOVES TO THE EAST ON THURSDAY WITH A DRIER AIR
MASS MOVING ACROSS THE AREA.
MCCOLLUM
.NOTE...EFFECTIVE WEDNESDAY OCTOBER 1 2003...THE TEMPERATURES AND
PROBABILITIES OF PRECIPITATION TABLE (BELOW) WILL NO LONGER BE
APPENDED TO THIS PRODUCT. THE INFORMATION...ALONG WITH PREVAILING
DAYTIME WEATHER...WILL BE AVAILABLE IN THE RECENTLY ADOPTED TABULAR
STATE FORECAST (SFT). THE SFT PROVIDES THESE FORECASTS THROUGH 7
DAYS. THE WMO HEADER FOR THIS PRODUCT IS FPUS65 KPSR. THE PRODUCT
IDENTIFIER IS PHXSFTAZ. USING THE INTERNET...YOU CAN ACCESS THE SFT
DIRECTLY AT HTTP://WWW.WRH.NOAA.GOV/CGI-BIN/GPRODUCT.PL?FLGPHXSFTAZ
.FGZ...FFA UNTIL 8 PM MST AZ ZONES 8/10/11/12/16/16/17/18/37/38/39/40.
.CODED TEMPERATURES/POPS FOR SELECTED CITIES IN NORTHERN ARIZONA
CITY TEMPERATURES HI/LO PROBABILITY OF PRECIP
TDY TON WED THU TDY TON WED THU
FLAGSTAFF 065/051 066/043 068/039 070 050 040 020 020 000
WINSLOW 080/062 079/052 079/048 030 030 020 010 000 000
PRESCOTT 075/058 077/052 078/048 060 050 040 020 000 000
PAGE 085/068 082/063 082/059 030 020 020 000 000 000
WINDOW ROCK 070/052 070/046 072/042 060 040 040 030 020 000
CANYON DE CHELLY 076/059 076/053 078/049 040 030 030 030 020 000
COTTONWOOD 086/066 088/060 089/056 050 040 030 020 000 000
GRAND CANYON 066/052 067/044 069/040 050 040 030 020 000 000
GREER 062/050 063/042 065/038 070 050 040 030 030 000
HEBER 070/054 071/046 073/042 070 050 040 020 020 000
JACOB LAKE 062/051 063/043 065/039 040 030 030 020 000 000
NAVAJO N.M. 068/058 068/052 070/048 050 040 030 020 000 000
PAYSON 079/058 081/052 082/048 060 050 040 020 000 000
SEDONA 083/065 085/059 086/055 060 050 040 020 000 000
SELIGMAN 078/051 080/045 081/041 040 030 030 020 000 000
SHOW LOW 071/060 072/052 074/048 040 040 030 030 020 000
ST. JOHNS 076/058 075/048 075/044 040 040 030 030 020 000
WUPATKI N.M. 082/064 081/054 081/050 040 030 020 010 000 000AZZ004>018-037>040-100200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1000 AM MST TUE SEP 9 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY ...FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN ARIZONA UNTIL 8 PM MST... A STRONG LOW PRESSURE SYSTEM OVER THE GREAT BASIN WILL BRING TROPICAL MOISTURE NORTHWARD INTO NORTHERN ARIZONA THROUGH THIS EVENING. FREQUENT SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER NORTHERN ARIZONA...SOME RAIN WILL BE VERY HEAVY. AREAS ALONG AND SOUTH OF THE MOGOLLON RIM AND WHITE MOUNTAINS WILL RECEIVE THE MOST RAINFALL. IN ADDITION...MOISTURE HAS MOVED INTO NORTHEAST ARIZONA IN THE AREA OF BLACK MESA...CHINLE VALLEY AND THE CHUSKA MOUNTAINS. SOME AREAS IN THE WATCH AREA WILL RECEIVE TOTALS OF 1 TO 3 INCHES THROUGH THIS AFTERNOON AND EARLY EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY 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. DEFINITION OF HAZARDOUS WEATHER...A WEATHER EVENT POSING A THREAT TO LIFE AND PROPERTY.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
0831 AM MST TUE SEP 09 2003
TIME(MST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0800 AM BELLEMONT AZ TORNADO
09/09/03 COCONINO TREES DOWN ALONG HWY 180
NORTH OF THE CITY OF
FLAGSTAFF AT 815 AM MST
DFThe Flagstaff radar (KFSX), 122 km away, was scanning. The volume nearest the first event began at 20:14 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain and flooding washed out several roads in the White Cone area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2003Every state in 2003This day in weather historyWarnings in Arizona, September 2003
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: 5337047.