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 Jul 27, 2:30 PM MST, 3 hours 30 minutes earlier.
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST SUN JUL 27 2003
.SYNOPSIS...AN UNSTABLE AND MOIST AIRMASS WILL REMAIN OVER ARIZONA
THIS WEEK. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP EACH DAY. THUNDERSTORMS WILL BE MORE NUMEROUS ACROSS THE
AREA MONDAY AS A WEATHER DISTURBANCE MOVES THROUGH THE STATE.
TEMPERATURES WILL REMAIN NEAR NORMAL.
.DISCUSSION...MID LEVEL HIGH OVER THE COLORADO ROCKIES MOVES WEST INTO
THE GREAT BASIN AND IS PROGGED TO SPIN THERE FOR MOST OF THE COMING
WEEK. STREAMLINE ANALYSIS SHOWS CWA UNDER A MOIST SE TO E FLOW. WILL
LIKELY SEE A CONTINUATION OF THE MONSOON CONVECTION EACH DAY. FCST
PROBLEM WILL BE TO PINPOINT AREAS THAT WILL SEE THE MOST SIGNIFICANT
STORMS FROM DAY TO DAY. SCATTERED CONVECTION IN STORE FOR MUCH OF THE
CWA THIS EVENING...THEN DIMINISHING OVERNIGHT. WILL SEE AN UPSWING IN
STORMS TOMORROW AS EASTERLY WAVE MOVES ALONG THE AZ/MEX BORDER AND
AIR MASS BECOMES MORE UNSTABLE. 250MB JET MAX OVER SE AZ TO AID SHEAR
FOR MORE ORGANIZED CONVECTION...PARTICULARLY OVER THE SE CWA. AS JET
MAX MOVES WEST DURING THE WEEK EXPECT STRONG STORM ACTIVITY TO MIGRATE
INTO THE WESTERN SECTIONS. PWS REMAIN HIGH AND WITH AN INCH OR MORE
PROGGED ACROSS THE ENTIRE CWA LOCALIZED HEAVY RAINFALL AMOUNTS CAN BE
EXPECTED. WILL NEED TO MONITOR FLASH FLOOD POTENTIAL THIS WEEK
CLOSELY.
EXTENDED...CWA REMAINS UNDER MOIST EASTERLY INTO THE COMING WEEKEND.
THEN BY SUNDAY BOTH THE GFS AND EURO SLIDE GREAT BASIN HIGH INTO
THE SOUTHERN PLAINS WITH A DRIER SOUTH TO SOUTHWEST FLOW PROGGED TO
DEVELOP OVER THE DESERT SW. IF THIS SCENARIO EVOLVES THE AREA COULD
SEE A DOWNSWING IN CONVECTION AT THE END OF THE PERIOD. DF
.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 058/080 056/079 054/079 030 050 030 050 030 050
WINSLOW 068/095 065/094 065/094 020 030 030 030 030 030
PRESCOTT 066/090 066/088 065/088 040 040 040 050 030 050
PAGE 077/098 076/096 074/096 010 020 020 030 030 030
WINDOW ROCK 056/089 055/087 053/087 040 040 030 050 030 050
CANYON DE CHELLY 066/095 065/093 063/093 030 030 020 040 020 040
COTTONWOOD 074/101 074/099 073/099 030 030 030 040 020 040
GRAND CANYON 057/082 055/081 053/081 020 040 020 040 020 040
GREER 054/076 052/075 050/075 040 060 050 060 040 060
HEBER 059/085 057/084 055/084 040 060 040 060 040 060
JACOB LAKE 058/078 056/077 054/077 020 040 020 040 020 040
NAVAJO N.M. 060/089 059/087 057/087 030 030 020 040 020 040
PAYSON 067/095 067/093 066/093 040 030 040 050 030 050
SEDONA 072/099 072/097 071/097 030 030 030 040 020 040
SELIGMAN 059/093 059/091 058/091 030 030 030 040 020 040
SHOW LOW 066/086 064/085 062/085 030 050 030 050 030 050
ST. JOHNS 063/089 060/088 060/088 030 040 040 040 040 040
WUPATKI N.M. 071/097 068/096 068/096 020 030 030 030 030 030AZZ004>018-037>040-280200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 955 AM MST SUN JUL 27 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS NORTHERN ARIZONA WITH DEVELOPMENT BEGINNING AROUND NOON. THE STRONGEST STORMS WILL OCCUR OVER THE MOGOLLON RIM AND WHITE MOUNTAIN AREAS. SOME OF THE STORMS WILL PRODUCE HEAVY RAINS...HAIL AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE REGION WILL REMAIN UNDER A MOISTURE FLOW ALOFT. THE AIR MASS WILL BE WARM AND UNSTABLE. THUNDERSTORMS ARE EXPECTED TO DEVELOP EACH DAY. LOCALLY HEAVY RAINFALL...HAIL AND GUSTY WINDS MAY OCCUR WITH SOME OF THE STORMS. .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 Flagstaff radar (KFSX), 116 km away, was scanning. The volume nearest the first event began at 01:01 UTC.
1 thunderstorm wind. Local standard time, as filed.
A thunderstorm in northeast Prescott produced a wind gust of 61 MPH. This storm also produced two inches of rain and pea sized hail.
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, July 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: 5378236.