Arizona, 2002

Flood in Arizona, July 19, 2002

July 19, 2002 · NWS FGZ · 1 event in 1 county or zone

Heavy rain caused flooding in Coconino County 2 miles north of Ash Fork (Ash Fork is in Yavapai county). Double A Ranch Road and Lore Way were closed because of the flooding.

Where it happened

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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 happened

The episode as NWS FGZ wrote it up.

Heavy rain caused flooding in Coconino County 2 miles north of Ash Fork (Ash Fork is in Yavapai county). Double A Ranch Road and Lore Way were closed because of the flooding. Two cars were stuck in knee deep water for a short period of time. A spotter reported 1.76 inches of rain in 1 hour with this storm.

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 Jul 19, 2:30 PM MST, 1 hour 45 minutes earlier.

Area forecast discussion, Jul 19, 2:30 PM MST, 1 hour 45 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST FRI JUL 19 2002

.SYNOPSIS...A MOIST AIR MASS WILL LINGER OVER NORTHERN ARIZONA INTO
NEXT WEEK. THE DAILY SHOWER AND THUNDERSTORM ACTIVITY WILL CONTINUE
WITH TEMPERATURES NEAR SEASONAL LEVELS.

.DISCUSSION...UPPER TROF OVER NORTHERN NV LIFTS NE AND FILLS WHILE
RIDGE STRENGTHENS OVER THE DESERT SW THRU THE PERIOD. MODELS
CONTINUE TO PROG A DRIER AIR MASS MOVING IN FROM THE WEST. THIS
MORNINGS NKX SOUNDING SHOWED PW VALUE DOWN 0.40 INCHES PAST 24 HRS.
DRYING EXPECTED TO BE MAINLY MID TO UPPER LEVEL. SEE LITTLE CHANGE
IN SFC DPS. BELIEVE THERE WILL BE ENOUGH LINGERING LOW LEVEL MOISTURE
AROUND THRU THE WEEKEND FOR LOW GRADE MONSOON WITH THE HIGHER TERRAIN
SEEING THE MOST ACTIVITY. STREAMLINE ANALYSIS SHOWS FLOW BECOMING
EASTERLY ON MONDAY. THIS PUSHES MOISTURE TO EAST BACK INTO AZ. EXPECT
TO SEE AN INCREASE IN CONVECTION NEXT WEEK.

EXTENDED...STRONG RIDGE WITH AXIS ORIENTED W-E ACROSS NORTHERN AZ
SETS UP DURING THE PERIOD. THIS LIKELY TO SHUNT MOISTURE INFLUX
SOUTH OF THE STATE AND WARM TEMPS. HOWEVER...MOISTURE ALREADY OVER
THE CWA TO FUEL DAILY CONVECTION...ESPECIALLY OVER THE HIGHER
TERRAIN. WILL CONTINUE LOW GRADE MONSOON FCST. DF

.FGZ...NONE

.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        052/080 051/080 052/080      020 040 020 030 020 040
WINSLOW          063/090 063/092 064/092      020 030 020 020 020 030
PRESCOTT         061/089 061/091 062/091      020 030 020 030 020 030
PAGE             073/096 071/097 072/097      020 020 020 020 020 020
WINDOW ROCK      052/082 053/085 054/085      030 040 030 040 030 050
CANYON DE CHELLY 058/088 059/091 060/091      020 030 020 030 020 040
COTTONWOOD       069/100 069/102 070/102      020 020 020 020 020 020
GRAND CANYON     051/082 050/082 051/082      020 030 020 020 020 030
GREER            048/076 047/076 048/076      040 060 040 050 040 070
HEBER            053/085 052/085 053/085      030 060 030 040 030 060
JACOB LAKE       052/078 051/078 052/078      020 030 020 020 020 030
NAVAJO N.M.      056/082 057/085 058/085      020 030 020 030 020 040
PAYSON           062/094 062/096 063/096      020 020 020 030 020 030
SEDONA           067/098 067/100 068/100      020 020 020 020 020 020
SELIGMAN         054/092 054/094 055/094      010 020 010 020 010 020
SHOW LOW         060/086 059/086 060/086      020 040 020 030 020 040
ST. JOHNS        058/084 058/086 059/086      030 040 030 030 030 040
WUPATKI N.M.     066/092 066/094 067/094      020 030 020 020 020 030

The radar

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

Open the radar archive at this moment

Event by event

1 flood. Local standard time, as filed.

Flood, Coconino

When
July 19, 4:15 PM MST to 5:00 PM MST
Where
Coconino County, Williams
Reported by
TRAINED SPOTTER
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Arizona in 2002Every state in 2002This day in weather historyWarnings in Arizona, July 2002

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: 5311289.