Name: Hail in Arizona, August 22, 2003
Start: 2003-08-22T15:10
End: 2003-08-22T15:10
Location: Arizona

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

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.

What forecasters said that day

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 22, 2:30 PM MST, 40 minutes earlier.

Area forecast discussion, Aug 22, 2:30 PM MST, 40 minutes before

NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST FRI AUG 22 2003

.SYNOPSIS...HIGH PRESSURE CENTERED NORTHEAST OF ARIZONA WILL
CONTINUE TO CIRCULATE MOISTURE OVER THE NORTHLAND. EXPECT AFTERNOON
AND EVENING SHOWERS AND THUNDERSTORMS TO CONTINUE EACH DAY THROUGH
THIS WEEKEND...AND INTO NEXT WEEK.

.DISCUSSION...CONVERGENT/DIVERGENT COUPLET WE DISCUSSED THIS MORNING
LINED UP ALONG AN AXIS OF DEEP MOISTURE THROUGH WESTERN YAVAPAI AND
COCONINO COUNTIES THIS AFTERNOON. LOTS AND LOTS OF CONVECTION ALONG
THIS LINE...MOST OF IT TORRENTIAL RAIN...WITH ISOLATED SEVERE. THIS
WILL BE THE TROUBLE AREA THROUGH THE EVENING...AND THE FLASH FLOOD
WATCH WILL CONTINUE AS SCHEDULED. REGION AFFECTED BY AN EASTERLY
WAVE OVER THE WEEKEND WITH A VERY FAVORABLE STORM ENVIRONMENT IN
PLACE AT LEAST THROUGH SUNDAY.

THE REMAINDER OF NEXT WEEK FEATURES A CLIMATOLOGICALLY NORMAL
CIRCULATION...AND WE WILL CARRY A MODERATE GRADE MONSOON FORECAST
RIGHT ON THROUGH DAY SEVEN. PETERSON.

.FGZ...FFA ALL OF YAVAPAI/COCONINO COUNTIES UNTIL 11 PM MST.

.CODED TEMPERATURES/POPS FOR SELECTED CITIES IN NORTHERN ARIZONA

CITY             TEMPERATURES LO/HI           PROBABILITY OF PRECIP
                 TON SAT   SUN     MON        TON SAT   SUN     MON
FLAGSTAFF        052/075 050/074 049/076      040 050 040 050 030 040
WINSLOW          065/088 064/086 063/088      030 040 030 040 020 030
PRESCOTT         063/083 062/081 061/083      030 050 040 050 030 040
PAGE             068/090 067/087 066/089      030 030 030 030 020 030
WINDOW ROCK      054/082 053/078 052/080      030 040 040 050 030 040
CANYON DE CHELLY 062/088 061/084 060/086      030 040 040 040 030 040
COTTONWOOD       071/094 070/092 069/094      020 040 030 040 020 030
GRAND CANYON     052/076 050/075 049/077      040 040 040 050 030 040
GREER            049/070 047/069 046/071      030 050 040 050 040 050
HEBER            054/080 052/079 051/081      030 050 040 050 030 040
JACOB LAKE       052/073 050/072 049/074      040 050 040 050 030 040
NAVAJO N.M.      059/082 058/078 057/080      040 040 040 040 030 040
PAYSON           064/087 063/085 062/087      020 030 040 040 030 030
SEDONA           069/091 068/089 067/091      030 040 030 040 030 030
SELIGMAN         056/086 055/084 054/086      030 050 040 050 030 040
SHOW LOW         060/080 058/079 057/081      030 050 040 050 040 050
ST. JOHNS        060/083 059/081 058/083      040 050 040 050 030 040
WUPATKI N.M.     066/090 065/088 064/090      030 040 030 040 020 030

Hazardous weather outlook, Aug 22, 10:10 AM MST, 5 hours before

AZZ004>018-037>040-230200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1010 AM MST FRI AUG 22 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 ALL OF COCONINO AND YAVAPAI COUNTIES FROM
NOON MST UNTIL 11 PM MST TODAY...

STRONG STORMS CONTAINING HEAVY RAIN ARE EXPECTED TO DEVELOP TODAY
ALONG A PLUME OF DEEP MOISTURE EXTENDING NORTHWARD THROUGH MOST OF
YAVAPAI AND COCONINO COUNTIES. STORMS WILL DEVELOP OVER THE WATCH
AREA BY 11 AM MST...WITH THE STRONGEST STORMS IN THE AFTERNOON
HOURS. SOME STORMS MAY BECOME SEVERE THIS AFTERNOON WITH HAIL SIZES
OF AROUND AN INCH WITH THE STRONGEST STORMS.

SOIL CONDITIONS OVER YAVAPAI AND COCONINO COUNTIES ARE
SATURATED...AND ANY ADDITIONAL HEAVY RAIN MAY LEAD TO FLOODING.

STORMS THAT DEVELOP MAINLY EAST OF FLAGSTAFF WILL BE MORE BENIGN AND
LESS WIDESPREAD. ONLY ISOLATED STRONGER STORMS ARE EXPECTED IN THESE
AREAS...WITH MUCH LESS OF A CHANCE FOR FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A MOIST AND UNSTABLE AIR MASS WILL REMAIN OVER ARIZONA RESULTING IN
A CHANCE OF SHOWERS AND THUNDERSTORMS EACH DAY. FLOODING POTENTIAL
OVER THE WEEKEND WILL REMAIN MODERATE OVER YAVAPAI AND COCONINO
COUNTIES.

.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 radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Yavapai

When: August 22, 3:10 PM MST
Where: Yavapai County, Prescott
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 34.550, -112.467

3/4 inch diameter hail was reported in Prescott.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Arizona in 2003 Every state in 2003 This day in weather history Warnings in Arizona, August 2003

Sources

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: 5374311.