1 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 10, 5:20 PM MST, 2 hours 25 minutes earlier.
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
520 PM MST TUE SEP 10 2002
.SYNOPSIS...TROPICAL MOISTURE WILL CONTINUE TO STREAM ACROSS ARIZONA
THROUGH WEDNESDAY. EXPECT NUMEROUS SHOWERS AND THUNDERSTORMS TO
CONTINUE TODAY AND TOMORROW...BEFORE DIMINISHING IN COVERAGE LATER
IN THE WEEK. EXPECT A DRYING TREND WITH MOSTLY CLEAR SKIES BY THE
WEEKEND. TEMPERATURES WILL REMAIN BELOW NORMAL FOR THE NEXT FEW
DAYS...THEN RISE TO NORMAL BY THE WEEKEND.
.DISCUSSION...EXTRAORDINARY DAY...WILL LIKELY LAST WELL INTO THE
NIGHT. EXTREMELY WET AND UNSTABLE AIRMASS OVER THE STATE IS BEING
ACTED ON BY A WEAK UPPER LOW OVER SOUTHERN CALIFORNIA. AS THIS LOW
LIFTS NORTH INTO WEDNESDAY...MID-LEVELS WILL CONTINUE TO COOL. IN
ADDITION TO THIS...STRONG DYNAMICS ASSOCIATED WITH THE LOW AND A JET
STREAK OVER COLORADO WILL SERVE TO CONTINUE CONVECTION NOCTURNALLY.
18Z MODEL RUNS INDICATE EVEN LESS DRYING BEHIND THIS LOW WEDNESDAY
DUE TO SLOW MOVEMENT...AND WE ARE LIKELY IN FOR ANOTHER ACTIVE DAY.
WILL CONTINUE NEAR CATEGORICAL POPS THROUGH THE NIGHT AND INTO
WEDNESDAY. FLOW BECOMES WESTERLY THURSDAY BEHIND THIS LOW...AND
EVENTUALLY NORTHERLY BY THE WEEKEND AS A RIDGE BUILDS IN FROM THE
PACIFIC. WILL DRY OUT POPS THURSDAY AND FRIDAY...WITH NO POPS AND
WARM WEATHER OVER THE WEEKEND. PETERSON.
.FGZ...FFA ALL ZONES UNTIL MIDNIGHT MST.
.CODED TEMPERATURES/POPS FOR SELECTED CITIES IN NORTHERN ARIZONA
CITY TEMPERATURES LO/HI PROBABILITY OF PRECIP
TON WED THU FRI TON WED THU FRI
FLAGSTAFF 050/070 046/073 044/074 080 060 040 040 030 020
WINSLOW 058/077 056/080 054/081 070 050 040 030 020 000
PRESCOTT 057/077 054/081 053/082 080 060 040 030 020 000
PAGE 065/080 064/082 063/083 060 050 040 030 020 000
WINDOW ROCK 053/070 050/072 047/073 080 070 060 050 040 030
CANYON DE CHELLY 060/076 057/078 054/079 080 070 060 050 040 020
COTTONWOOD 065/088 062/092 061/093 080 060 040 030 020 000
GRAND CANYON 051/071 047/074 045/075 080 060 040 040 020 000
GREER 049/067 045/070 043/071 080 060 040 040 030 030
HEBER 053/075 049/078 047/079 080 060 040 040 030 020
JACOB LAKE 050/067 046/070 044/071 060 050 040 030 020 000
NAVAJO N.M. 059/068 056/070 053/071 070 050 040 030 020 020
PAYSON 057/081 054/085 053/086 070 050 040 030 020 000
SEDONA 064/085 061/089 060/090 080 060 040 030 020 000
SELIGMAN 050/080 047/084 046/085 080 060 040 040 020 000
SHOW LOW 059/076 055/079 053/080 080 060 040 040 030 030
ST. JOHNS 054/073 052/076 050/077 080 060 040 040 030 020
WUPATKI N.M. 060/079 058/082 056/083 070 050 040 030 020 000PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FLAGSTAFF ARIZONA
0317 PM MST TUE SEP 10 2002
TIME (MST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0245 PM COSNINO AZ 2 INCH HAIL
09/10/02 COCONINO REPORTED BY TRAINED SPOTTER
0250 PM DONEY PARK AZ 2 INCH HAIL
09/10/02 COCONINO REPORTED BY DONEY PARK FIRE DEPTThe national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Several streets flooded in Payson. Highway 87 flooded at the East Verde River.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2002Every state in 2002This day in weather historyWarnings in Arizona, September 2002
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: 5320960.