1 thunderstorm wind, 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 Aug 25, 2:50 PM MST, 10 minutes earlier.
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
250 PM MST MON AUG 25 2003
.SYNOPSIS...HIGH PRESSURE WILL CONTINUE TO BRING ABUNDANT MOISTURE
TO THE REGION...RESULTING IN A CONTINUATION OF SHOWERS AND
THUNDERSTORMS. AN INCREASE IN TROPICAL MOISTURE IS EXPECTED ACROSS
THE REGION BY LATE TUESDAY AND WEDNESDAY. THIS WILL BRING AN
INCREASE IN SHOWER AND THUNDERSTORM ACTIVITY THROUGH AT LEAST
THURSDAY. A SLIGHT DRYING TREND IS EXPECTED BY NEXT WEEKEND.
.DISCUSSION...NUMEROUS STORMS PRODUCING HAIL AND FLOODING ACROSS THE
AREA TODAY. THE STORMS SOUTH OF THE RIM MAY BE ENHANCED THROUGH THIS
EVENING AS SOME UPPER LEVEL DIV...ASSOCIATED WITH THE INVERTED TROUGH
SOUTH OF THE BIG BEND...DEVELOPS OVER THE DESERTS.
MOISTURE WILL INCREASE FURTHER TUESDAY AND WEDNESDAY AS IGNACIO
INFLUENCES THE GULF OF CALIFORNIA. IGNACIO DOES HAVE THE CAPACITY TO
ADD MID LEVEL MOISTURE...AND INCREASE THE DIVERGENCE AT THE UPPER
LEVELS. AS IGNACIO NEARS...THE PROBABILITY FOR LARGE COMPLEXES NEAR
THE SOUTHERN BORDER WILL ALSO INCREASE. ALL IN ALL...IGNACIO WILL
IMPROVE THE MOISTURE FLUX NORTHWARD AND IMPROVE THE DYNAMIC SITUATION
FOR WIDESPREAD AND LONG-LIVED CONVECTION THROUGH THURSDAY OR FRIDAY.
ALTHOUGH THE AIRMASS DRIES OUT DAYS 5 THROUGH 7...THE SOUTHWEST ALSO
MAY COME UNDER THE INFLUENCE OF A S/WV IN THE GREAT BASIN. AIRMASS
MAY BECOME MORE BAROCLINIC...THUS WRINGING OUT AS MUCH RAIN AS
POSSIBLE DESPITE MID LEVEL DRYING. WILL LEAVE SCATTERED POPS RIGHT
ON THROUGH DAY SEVEN TO COVER THIS. PETERSON.
.FGZ...NONE.
.CODED TEMPERATURES/POPS FOR SELECTED CITIES IN NORTHERN ARIZONA
CITY TEMPERATURES LO/HI PROBABILITY OF PRECIP
TON TUE WED THU TON TUE WED THU
FLAGSTAFF 052/075 052/072 053/074 040 050 040 050 040 040
WINSLOW 063/087 064/085 065/087 030 030 030 030 040 030
PRESCOTT 064/082 065/080 065/082 030 040 030 040 040 040
PAGE 068/090 069/087 070/089 020 020 030 030 030 020
WINDOW ROCK 056/080 055/078 056/080 040 050 040 050 040 040
CANYON DE CHELLY 064/086 063/084 064/086 030 030 040 040 040 030
COTTONWOOD 072/093 073/091 073/093 030 040 030 040 040 040
GRAND CANYON 052/076 052/073 053/075 030 040 040 050 040 040
GREER 049/070 049/067 050/069 040 050 040 050 040 040
HEBER 054/080 054/077 055/079 040 050 040 050 040 040
JACOB LAKE 052/073 052/070 053/072 030 040 030 040 040 030
NAVAJO N.M. 061/080 060/078 061/080 040 040 050 050 050 040
PAYSON 065/086 066/084 066/086 040 030 040 050 040 040
SEDONA 070/090 071/088 071/090 030 040 030 040 040 040
SELIGMAN 057/085 058/083 058/085 030 040 030 040 040 040
SHOW LOW 060/080 060/077 061/079 040 040 040 040 040 040
ST. JOHNS 058/082 059/080 060/082 040 040 040 040 040 040
WUPATKI N.M. 064/089 065/087 066/089 030 030 030 030 040 030AZZ004>018-037>040-260200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 930 AM MST MON AUG 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY A VERY MOIST AND UNSTABLE AIRMASS REMAINS ACROSS THE REGION TODAY. LIGHT NORTHERLY FLOW WILL FAVOR THUNDERSTORM DEVELOPMENT ACROSS THE HIGH TERRAIN OF CENTRAL ARIZONA BY LATE THIS MORNING. STORMS WILL DRIFT SLOWLY SOUTH OFF THE RIM AND INTO PORTIONS OF YAVAPAI AND GILA COUNTIES LATER THIS AFTERNOON. NORTHEAST AND NORTHERN SECTIONS OF THE STATE WILL SEE ONLY ISOLATED THUNDERSTORM COVERAGE TODAY. DUE TO THE VERY MOIST ATMOSPHERE ACROSS THE STATE...ISOLATED STRONGER STORMS WILL PRODUCE TORRENTIAL RAIN THIS AFTERNOON. THIS IS MOST LIKELY OVER PORTIONS OF THE MOGOLLON RIM AND IN PORTIONS OF YAVAPAI COUNTY. SATURATED SOIL CONDITIONS MAY LEAD TO SOME FLOODING WITH THE STRONGEST STORMS TODAY. THESE STORMS MAY ALSO PRODUCE MAINLY SMALL HAIL...AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY MOISTURE WILL INCREASE ACROSS THE STATE TUESDAY THROUGH THURSDAY ASSOCIATED WITH A TROPICAL DISTURBANCE OVER THE GULF OF CALIFORNIA. WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY WILL DEVELOP WEDNESDAY AND THURSDAY...BEFORE SLOWLY DECREASING AGAIN BY NEXT WEEKEND. FREQUENT HEAVY RAIN MAY LEAD TO FLOODING PROBLEMS BY MID WEEK...BUT IT IS TOO EARLY TO PINPOINT WHERE AND WHEN. .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.
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
A garage roof was blown onto power poles. The power line was damaged.
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, August 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: 5374320.