A thunderstorm produced heavy rain and flash flooding along Indian Creek.
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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 episode as NWS FGZ wrote it up.
A thunderstorm produced heavy rain and flash flooding along Indian Creek.
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 26, 3:10 PM MST, 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 310 PM MST MON AUG 26 2013 .SYNOPSIS...SIGNIFICANT TROPICAL MOISTURE WILL REMAIN OVER WESTERN ARIZONA THROUGH THIS EVENING AND WIDESPREAD SHOWERS AND THUNDERSTORMS WILL CONTINUE. A FLASH FLOOD WATCH IS IN EFFECT THROUGH THIS EVENING. A SLOW DRYING TREND WILL BRING A MORE TYPICAL MONSOON PATTERN TO THE REGION ON TUESDAY AND WEDNESDAY. MOISTURE SHOULD INCREASE FROM SOUTH TO NORTH FROM THURSDAY INTO THE WEEKEND. && .DISCUSSION... WIDESPREAD SHOWERS AND THUNDERSTORMS ARE OCCURRING WEST OF A LINE FORM PAGE THROUGH SHOW LOW...WITH SOME TRAINING OF CELLS EVIDENT. THE FLASH FLOOD WATCH WILL CONTINUE FOR WESTERN AZ THROUGH 8 PM MST. PRECIPITATION COVERAGE AND STORM STRENGTH SHOULD DECREASE AFTER MID EVENING. TUESDAY AND WEDNESDAY...STREAMLINES ARE FROM THE SOUTH SOUTHEAST THROUGH THE PERIOD AS MIXING RATIO VALUES ARE DOWN A BIT. AFTERNOON LIFTED INDICES ARE RUNNING FROM -1 TO -3 THOUGH AND SCATTERED STORMS ARE EXPECTED...ESPECIALLY ACROSS COCONINO AND NORTHERN YAVAPAI COUNTIES. THURSDAY THROUGH SUNDAY...PROGS ARE INDICATING ANOTHER MOISTURE INCREASE FROM THE SOUTH SOUTHEAST STARTING EARLY THURSDAY. PROGS IN GOOD AGREEMENT MOVING AN INVERTED TROUGH INTO SOUTHERN AZ THURSDAY AND THIS IS LIKELY LEFTOVERS FROM THE NOW DEFUNCT FERNAND. MIXING RATIOS AND PRECIPITABLE WATER ARE INCREASING AGAIN...ESPECIALLY ALONG AND SOUTH OF THE RIM. PRECIP CHANCES FOR THIS PERIOD WILL REMAIN WELL ABOVE NORMAL FOR THIS TIME OF YEAR. .AVIATION...FOR THE 00Z PACKAGE...SCT-NMRS SHRA/TSRA WILL PERSIST THRU 03Z/TUE BEFORE GRADUALLY WANING. HEAVIEST ACTIVITY ANTICIPATED ALONG AND WEST OF A KPGA-KSOW LINE...ACTIVITY MORE SCATTERED TO THE EAST. EXPECT PREDOMINANTLY MVFR CONDITIONS WITH ISOLD IFR/LIFR WITHIN HEAVIER SHOWER ACTIVITY. PATCHY FOG ALSO POSSIBLE RESULTING IN LOCALIZED LIFR CONDITIONS. ACTIVITY WILL SLOWLY WANE AFTER 04Z/TUE BUT SOME SCT SHRA/TSRA WILL PERSIST THROUGH THE NIGHT WITH AREAS OF LOCALIZED FOG. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FGZ WATCHES/WARNINGS/ADVISORIES...FLASH FLOOD WATCH THROUGH MONDAY EVENING FOR AZZ004>008-015-037-038. && PUBLIC.........DL AVIATION.......CO FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT WEATHER.GOV/FLAGSTAFF
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 550 AM MST MON AUG 26 2013 AZZ004>018-037>040-270700- WESTERN MOGOLLON RIM-GRAND CANYON COUNTRY-YAVAPAI COUNTY MOUNTAINS- YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS- MARBLE AND GLEN CANYONS-KAIBAB PLATEAU-COCONINO PLATEAU- NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD- NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264- CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- BLACK MESA AREA-LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY- LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY- EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY- 550 AM MST MON AUG 26 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY DEEP MOISTURE REMAINS ACROSS THE REGION TODAY...ESPECIALLY WEST OF THE I-17 CORRIDOR. ONE DIFFERENCE FROM YESTERDAY WILL BE A PARTLY CLOUDY START TO THE DAY...INSTEAD OF OVERCAST. THIS WILL ALLOW MORE UNSTABLE CONDITIONS TO DEVELOP...WHICH WILL LEAD TO STRONGER STORMS THAT MAY CONTAIN TORRENTIAL RAINFALL AND HAIL. STORM MOTION IS AROUND 30 MPH FROM THE SOUTH TODAY...SO SLOW MOVING STORMS SHOULD NOT BE A PROBLEM. THE STRONGEST STORMS WILL BE LOCATED ALONG AND WEST OF THE I-17 CORRIDOR AND NORTHWARD TO GRAND CANYON COUNTRY. A FLASH FLOOD WATCH REMAINS IN PLACE FOR THESE LOCATIONS THROUGH THIS EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A DRYING TREND WILL BRING MORE TYPICAL MONSOON ACTIVITY TOP THE REGION BY TUESDAY...LASTING THROUGH MUCH OF THE COMING WORK WEEK. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Cedar City radar (KICX), 180 km away, was scanning. The volume nearest the first event began at 22:14 UTC.
3 flash flood. Local standard time, as filed.
Heavy rain from a thunderstorm produced flash flooding along Indian Creek in Indian Gardens. Minor damage was reported.
A rapid rise on Havasu Creek was observed on the gauge...from 14 feet to 17.3 feet with minor flooding.
Heavy rain from a thunderstorm produced a flash flood in Deer Creek. The flood was big enough to move boulders downstream. Fifteen rafters were trapped by the flood and were unable to return to their camp until the flooding ended.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2013Every state in 2013This day in weather historyWarnings in Arizona, August 2013
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: 474470, 474786, 474471.