Thunderstorms caused flash flooding in central Apache County.
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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.
Thunderstorms caused flash flooding in central Apache County.
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 28, 9:10 PM MST, 1 hour 20 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 910 PM MST SAT JUL 28 2007 .SYNOPSIS...A LOW PRESSURE DISTURBANCE OVER NEW MEXICO WILL DRIFT WESTWARD AND MOVE INTO EASTERN ARIZONA TONIGHT. THE COMBINATION OF THIS SYSTEM AND PRESENCE OF A VERY MOIST AND UNSTABLE AIR MASS WILL RESULT IN NUMEROUS SHOWERS AND THUNDERSTORMS. SOME STORMS WILL PRODUCE HEAVY RAIN ACROSS MUCH OF NORTHERN ARIZONA TONIGHT. THE MONSOON PATTERN WILL CONTINUE THROUGH AT LEAST THURSDAY. && .DISCUSSION...THIS EVENINGS WATER VAPOR LOOP SHOWS A PART OF THE INVERTED TROF CENTERED OVER SWRN NEW MEXICO HAS MOVED INTO EASTERN AND CENTRAL AZ. THERE IS QUITE A BIT OF STRONG CONVECTION CONTINUING THIS EVENING. WHILE STORMS ARE MOVING FASTER NOW THAN THE PAST FEW DAYS...THERE ARE QUITE A FEW TSTORM OUTFLOWS MOVING AROUND AND TRIGGERING NEW STORMS. SO WE WILL EXTEND THE FLASH FLOOD WATCH UNTIL 4 AM SUNDAY. DL .PREV DISCUSSION.. 300 PM...SCATTERED THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON AS DEEP MONSOONAL MOISTURE AND AN UNSTABLE AIR MASS REMAIN IN PLACE ACROSS THE NORTHLAND. THE FOCUS OF THE ACTIVITY THUS FAR HAS BEEN OVER YAVAPAI AND GILA COUNTIES. WITH THE HEAVILY SATURATED SOILS ACROSS PORTIONS OF NORTHERN ARIZONA...ESPECIALLY OVER MUCH OF THE LITTLE COLORADO RIVER VALLEY...FLASH FLOODING WILL BE THE MOST LIKELY WEATHER RISK FOR THE REMAINDER OF TODAY. BEYOND TODAY...NO SIGNIFICANT MECHANISM APPEARS OVER THE NEXT 7 DAYS THAT WOULD RESULT IN A SUBSTANTIAL REDUCTION IN MOISTURE ACROSS THE REGION. THUS...WE CAN EXPECT THE DAILY CONVECTIVE PROCESS OF MAINLY AFTERNOON AND EVENING THUNDERSTORMS TO CONTINUE WELL INTO NEXT WEEK. KD && .AVIATION...FOR THE 06Z PACKAGE...SCATTERED THUNDERSTORMS WILL CONTINUE INTO THE EARLY MORNING HOURS SUNDAY. STRONGER STORMS WILL PRODUCE EXTREMELY HEAVY RAINFALL WITH IFR CONDITIONS. AWAY FROM STORMS...EXPECT TO ENCOUNTER AREAS WITH CEILINGS OF 5-8 KFT AGL. DECREASING STORM COVERAGE AND RISING CEILINGS WILL DEVELOP BTWN 11Z-17Z SUN. EXPECT ANOTHER ROUND OF STORMS AFT 17Z SUNDAY. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FGZ WATCHES/WARNINGS/ADVISORIES...FLASH FLOOD WATCH ALL ZONES AZZ004>018-037>040 UNTIL 4 AM MST SUNDAY. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 910 PM MST SAT JUL 28 2007 AZZ004>018-037>040-290700- 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- 910 PM MST SAT JUL 28 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY DEEP MOISTURE AND AN UNSTABLE AIR MASS REMAIN OVER NORTHERN ARIZONA TONIGHT. SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE OVERNIGHT. HEAVY RAINFALL AND LOCALIZED FLOODING ARE THE MAIN THREATS. A FLOOD WATCH IS IN EFFECT UNTIL 4 AM SUNDAY FOR ALL OF APACHE... COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES. AREAS MOST AT RISK FOR FLOODING TONIGHT WILL BE THOSE THAT HAVE SATURATED SOILS FROM HEAVY RAINS THE LAST SEVERAL DAYS...INCLUDING MUCH OF THE LITTLE COLORADO RIVER VALLEY. A FEW STORMS MAY ALSO PRODUCE HAIL NEAR OR SLIGHTLY LARGER THAN A HALF INCH IN DIAMETER. THUNDERSTORMS ARE LIKELY TO CONTINUE UNTIL ABOUT MIDNIGHT BEFORE DIMINISHING IN COVERAGE OVERNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SCATTERED MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE PERIOD. SOME OF THE STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL AND HAIL. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1009 PM MST SAT JUL 28 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 PM TSTM WND DMG PEEPLES VALLEY 34.27N 112.73W
07/28/2007 YAVAPAI AZ TRAINED SPOTTER
SPOTTER REPORTS TREE BRANCHES 1-2 INCHES IN DIAMETER
REMOVED FROM TREES.
&&
DANLThe Flagstaff radar (KFSX), 183 km away, was scanning. The volume nearest the first event began at 05:28 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain from thunderstorms caused flash flooding along Highway 191 betwee Sanders and St Johns.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2007Every state in 2007This day in weather historyWarnings in Arizona, July 2007
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: 52737.