1 hail, 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 7, 2:30 PM MST, 3 hours earlier.
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST SUN SEP 7 2003
.SYNOPSIS...ENOUGH MOISTURE WILL REMAIN OVER THE AREA FOR ISOLATED
THUNDERSTORMS THIS EVENING AND AGAIN ON MONDAY. A STRONG LOW
PRESSURE SYSTEM WILL MOVE INTO UTAH BY TUESDAY...DRAWING TROPICAL
MOISTURE ACROSS NORTHERN ARIZONA. AS A RESULT...WIDESPREAD SHOWERS
AND THUNDERSTORMS ARE EXPECTED TUESDAY ASSOCIATED WITH THIS SYSTEM.
MOISTURE WILL LINGER OVER NORTHERN ARIZONA FOR THE REMAINDER OF THE
WEEK WITH A CHANCE OF THUNDERSTORMS CONTINUING.
.DISCUSSION...THERE WILL BE A FEW LINGERING THUNDERSTORMS THIS
EVENING BUT EXPECT ACTIVITY TO END BY MIDNIGHT AS WARMING MID LEVEL
TEMPERATURES STABILIZE THE ATMOSPHERE.
FOR MONDAY AND TUESDAY A LONG-WAVE TROUGH WILL DEVELOP OVER THE
WESTERN UNITED STATES. THIS WILL RESULT IN LOW TO MID LEVEL WINDS
BECOMING MORE SOUTHERLY AND TAPPING A LARGE POOL OF TROPICAL
MOISTURE JUST TO THE SOUTH OF ARIZONA. IN ADDITION...THE MID LEVELS
WILL BEGIN COOLING MONDAY AFTERNOON...SO ANY CAP THAT MIGHT EXIST
EARLY ON MONDAY WILL DISAPPEAR BY LATE IN THE DAY. MONDAY NIGHT AND
TUESDAY...DEEP LARGE SCALE UPWARD MOTION...MOIST SOUTHWEST FLOW AND
OROGRAPHIC LIFT SHOULD COMBINE TO PRODUCE QUITE A BIT OF RAINFALL
ACROSS ARIZONA. AT THIS TIME IT LOOKS LIKE THE MAIN FOCUS WILL BE
ALONG THE MOGOLLON RIM...WHITE MOUNTAINS AND LOCATIONS SOUTHWARD. IT
WILL BE IMPORTANT TO REMAIN UPDATED ON THIS DEVELOPING SITUATION.
THE THROUGH MOVES EASTWARD ON WEDNESDAY BUT ENOUGH MOISTURE LINGERS
FOR THE CONTINUED THREAT OF THUNDERSTORMS.
IN THE EXTENDED...MUCH CONFLICT IN MODEL SOLUTIONS. THE GFS LEAVES
ARIZONA IN A MONSOON LIKE SETTING WITH WEAK FLOW...PLENTY OF
MOISTURE AND DIURNAL TYPE THUNDERSTORM ACTIVITY. THE EUROPEAN MODEL
BUILDS A LONG WAVE TROUGH OVER THE WESTERN UNITED STATES WITH A
NORTHEAST TO SOUTHWEST TROUGH AXIS INTERSECTING CENTRAL NEVADA AND
CALIFORNIA. THE EUROPEAN SOLUTION HINTS TOWARD ANOTHER VERY WET
PERIOD ON FRIDAY AND SATURDAY. FOR NOW HAVE SETTLED ON A BLEND OF
THE TWO AND WILL WAIT AND SEE WHAT HAPPENS.
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...NONE.
.CODED TEMPERATURES/POPS FOR SELECTED CITIES IN NORTHERN ARIZONA
CITY TEMPERATURES LO/HI PROBABILITY OF PRECIP
TON MON TUE WED TON MON TUE WED
FLAGSTAFF 046/072 049/067 051/070 020 030 030 060 040 040
WINSLOW 057/085 058/079 060/082 000 020 030 050 030 030
PRESCOTT 058/083 060/078 062/081 010 030 030 050 030 030
PAGE 067/088 068/084 070/087 000 010 020 050 020 020
WINDOW ROCK 048/075 050/070 052/073 020 020 030 050 030 040
CANYON DE CHELLY 055/081 057/076 059/079 010 020 020 050 030 030
COTTONWOOD 066/094 068/089 070/092 000 020 030 050 030 020
GRAND CANYON 047/073 050/068 052/071 010 020 030 050 030 030
GREER 045/069 048/064 050/067 020 030 030 060 040 040
HEBER 049/077 052/072 054/075 020 030 030 060 040 030
JACOB LAKE 046/069 049/064 051/067 010 020 020 050 030 030
NAVAJO N.M. 054/073 056/068 058/071 020 020 020 050 030 030
PAYSON 058/087 060/082 062/085 020 020 030 050 030 030
SEDONA 065/091 067/086 069/089 010 020 030 050 040 030
SELIGMAN 056/085 058/080 060/083 010 020 030 050 030 030
SHOW LOW 055/078 058/073 060/076 020 020 030 060 040 030
ST. JOHNS 053/081 054/075 056/078 020 020 030 050 030 030
WUPATKI N.M. 059/087 060/081 062/084 010 020 030 050 030 030AZZ004>018-037>040-080200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1000 AM MST SUN SEP 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY THERE WILL BE ISOLATED SHOWERS AND THUNDERSTORMS ACROSS NORTHERN ARIZONA TODAY. A FEW OF THESE WILL BECOME STRONG WITH THE POTENTIAL FOR 1 INCH DIAMETER HAIL. THE MAIN THREAT FOR THE ISOLATED SEVERE STORMS WILL BE FROM ABOUT THE GRAND CANYON SOUTHWARD TO THE MOGOLLON RIM...YAVAPAI COUNTY AND NORTHERN GILA COUNTY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE IS THE POTENTIAL FOR A SIGNIFICANT RAINFALL EVENT STARTING MONDAY NIGHT AND LASTING MOST OF TUESDAY. AT THIS TIME THE PRIMARY FOCUS APPEARS TO THE THE MOGOLLON RIM...YAVAPAI COUNTY AND NORTHERN GILA COUNTY. DEEP TROPICAL MOISTURE WILL BE PULLED INTO THESE AREAS BY A DEVELOPING LOW PRESSURE SYSTEM OVER UTAH. AS MUCH AS 1 INCH OF RAINFALL COULD FALL OVER A WIDE AREA WITH LOCALLY HIGHER AMOUNTS. PLEASE STAY TUNED TO THE LATEST WEATHER INFORMATION CONCERNING THIS DEVELOPING SITUATION. .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.
AZZ004>018-037>040-081200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 345 PM MST SUN SEP 07 2003 ...WIDESPREAD SHOWERS AND THUNDERSTORMS ON TUESDAY SOME WITH HEAVY RAIN... A STRONG LOW PRESSURE SYSTEM WILL COMBINE WITH DEEP TROPICAL MOISTURE ON TUESDAY TO PRODUCE WIDESPREAD SHOWERS AND THUNDERSTORMS. THE DEEPEST MOISTURE AND MOST UNSTABLE AIR MASS WILL BE LOCATED ALONG AND SOUTH OF THE MOGOLLON RIM INCLUDING MUCH OF YAVAPAI AND GILA COUNTIES. SHOWERS AND THUNDERSTORMS WILL BE ON THE INCREASE TUESDAY MORNING WITH THE HEAVIEST RAINFALL EXPECTED TO HIT TUESDAY AFTERNOON AND NIGHT. BY WEDNESDAY MORNING MANY LOCATIONS ALONG AND SOUTH OF THE MOGOLLON RIM ARE EXPECTED TO RECEIVE UP TO 1 INCH OF RAIN WITH LOCAL ACCUMULATIONS OF UP TO 2 INCHES. THE SOIL ACROSS THIS AREA IS SATURATED AND MOST RAINFALL WILL BE CONVERTED INTO RUNOFF IN AREA WASHES...CREEKS AND RIVERS. THE LOCATION...TIMING AND AMOUNT OF RAINFALL WILL BE ADJUSTED AS THE EVENT DRAWS NEAR. PLEASE STAY TUNED FOR FURTHER UPDATES ON THIS DEVELOPING WEATHER SYSTEM. FOR THE LATEST WEATHER UPDATES...CHECK THE NATIONAL WEATHER SERVICE HOME PAGE AT WWW.WRH.NOAA.GOV/FLAGSTAFF...OR TUNE TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION.
The Flagstaff radar (KFSX), 133 km away, was scanning. The volume nearest the first event began at 00:31 UTC.
1 hail. Local standard time, as filed.
Half dollar sized (1 1/4 inch diameter) hail was reported 12 miles southeast of Cordes Junction.
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: 5337136.