A thunderstorm produced hail almost the size of nickels between the Village of Oak Creek and Sedona.
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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 hail almost the size of nickels between the Village of Oak Creek and Sedona.
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 Sep 10, 9:45 AM MST, 2 hours 17 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 945 AM MST WED SEP 10 2008 .SYNOPSIS...MOISTURE WILL CONTINUE TO BE DRAWN NORTHWARD ACROSS NORTHERN ARIZONA THROUGH THURSDAY. THIS WILL BRING CONTINUED SHOWERS AND THUNDERSTORMS TO THE AREA. A DRYING TREND IS EXPECTED FOR FRIDAY AND SATURDAY...WITH ONLY A SLIGHT CHANCE OF THUNDERSTORMS. && .DISCUSSION...THIS MORNINGS 12Z FLAGSTAFF SOUNDING IS SHOWING A SIGNIFICANT DECREASE IN PRECIPITABLE WATER AMOUNTS DOWN TO 0.44 INCH FROM 0.71 INCH YESTERDAY AFTERNOON. HOWEVER...THE LATEST GOES SATELLITE PRECIPITABLE WATER (PW) IMAGERY SHOWS STRONG PLUME OF MOISTURE WITH 0.75 TO OVER 1.00 INCH OF PW MOVING UP FROM THE SOUTH INTO YAVAPAI COUNTY. MODEL FORECASTS SHOW STRONG SOUTHWESTERLY FLOW AHEAD OF THE APPROACHING TROUGH TO THE WEST. THEREFORE THE MOIST AND UNSTABLE PATTERN WILL LIKELY CONTINUE ACROSS MUCH OF NORTHERN ARIZONA TODAY PRODUCING GOOD CHANCES FOR SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS...SOME OF THE STRONGEST STORMS TODAY COULD BE SEVERE. CHANCES FOR PRECIPITATION WERE UPDATED FOR THE FIRST PERIOD THIS MORNING. DECREASING CHANCES OF PRECIPITATION FOR THE NORTHWESTERN ZONES AS DRIER AIR AND INCREASING SUBSIDENCE WILL LIKELY REDUCE CONVECTIVE ACTIVITY. && .PREV DISCUSSION (230 AM)... THUNDERSTORM ACTIVITY CONTINUES EARLY THIS MORNING OVER PORTIONS OF NORTHERN ARIZONA. IT LOOKS LIKE WE WILL SEE A PERIOD OF ACTIVE WEATHER THROUGH THURSDAY AS THE THREAT OF THUNDERSTORMS PRODUCING HAIL AND STRONG WINDS DEVELOPS. THERE IS A TROUGH OF LOW PRESSURE MOVING SOUTHWARD THROUGH CENTRAL CALIFORNIA THIS MORNING...AND FORECAST TO MOVE TO NORTHERN BAJA BY FRIDAY. THIS TROUGH HAS ALREADY BROUGHT INCREASING SOUTHWEST WINDS ALOFT...AND MANY OF THE STORMS THIS MORNING ARE MOVING AT 30 - 40 MPH. COLDER AIR ALOFT AND LARGE SCALE DYNAMICS LOOK TO ARRIVE HERE ON THURSDAY. AS FAR AS MOISTURE GOES...SURFACE DEW POINTS THIS MORNING RANGE FROM THE 60S IN THE LOW DESERTS TO THE LOW 40S AT PAGE...AND SATELLITE PWS INDICATE VALUES NEAR ONE INCH AS FAR NORTH AS THE GRAND CANYON. IT LOOKS LIKE WE WILL REMAIN PRETTY MOIST THROUGH EARLY FRIDAY AS LOW AND MID LEVEL STREAMLINES REMAIN SOUTH TO SOUTHWESTERLY. FOR FRIDAY AND SATURDAY...DRIER MORE STABLE AIR IS SHOWN TO MOVE SOUTHWARD FROM UTAH AS SFC WINDS SHIFT TO NORTHEASTERLY. THIS SHOULD PUSH THE MONSOON AIRMASS AND THE BEST CHANCES FOR THUNDERSTORMS SOUTHWARD TO THE MOGOLLON RIM. SATURDAY NIGHT THROUGH TUESDAY...MID LEVEL WINDS OVER THE NORTHLAND ARE FORECAST TO BECOME EASTERLY STARTING SATURDAY NIGHT AND TRANSITION SLOWLY TO SOUTHERLY BY TUESDAY. MOISTURE AND INSTABILITY ARE SHOWN TO INCREASE HERE...AND WE HAVE INCREASED THE CHANCES FOR THUNDERSTORMS...ESPECIALLY DURING THE AFTERNOONS. && .AVIATION...FOR THE 18Z PACKAGE...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ALONG AND SOUTH OF THE HIGH TERRAIN OF THE MOGOLLON RIM AND THE WHITE MOUNTAINS...WITH WIDELY SCATTERED TO SCATTERED COVERAGE NORTH OF THE HIGH TERRAIN TO A KPGA-K0V7 LINE. EXPECT LOCAL IFR CONDITIONS IN THE STRONGER STORMS...ALONG WITH WIND GUSTS OF 30-40 KTS AND HAIL. STORM COVERAGE WILL DECREASE TO WIDELY SCATTERED COVERAGE AFTER 01Z THURSDAY. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FIRE WEATHER...SEE FIRE WEATHER FORECAST (FWFFGZ) FOR DISCUSSION OF DAYS 1 AND 2. FRIDAY THROUGH SUNDAY...DRIER AIR IS EXPECTED TO MOVE INTO THE AREA NORTH OF A PAYSON TO WINDOW ROCK LINE...WITH ONLY A SLIGHT CHANCE OF SHOWERS CONTINUING. SOUTH OF THIS LINE...ENOUGH MOISTURE WILL LINGER FOR A CHANCE OF SHOWERS AND THUNDERSTORMS EACH DAY. WINDS WILL SHIFT TO THE NORTH OR NORTHEAST ACROSS MOST OF NORTHERN ARIZONA THROUGH THE PERIOD. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && PUBLIC...............BOHLIN AVIATION/FIRE WX.....42 VISIT WEATHER.GOV/FLAGSTAFF FOR NORTHERN ARIZONA WEATHER INFORMATION.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1156 AM MST WED SEP 10 2008 AZZ004>018-037>040-110300- KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY- COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS- NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY- CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY- LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY- WESTERN MOGOLLON RIM-EASTERN MOGOLLON RIM-WHITE MOUNTAINS- NORTHERN GILA COUNTY-YAVAPAI COUNTY VALLEYS AND BASINS- OAK CREEK AND SYCAMORE CANYONS-BLACK MESA AREA- NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264- 1156 AM MST WED SEP 10 2008 ...UPDATE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ARIZONA...NORTH CENTRAL ARIZONA...NORTHEAST ARIZONA AND WEST CENTRAL ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR YAVAPAI COUNTY UNTIL 7 PM MST...AS WEATHER CONDITIONS ARE FAVORABLE FOR ORGANIZED SEVERE THUNDERSTORM ACTIVITY TODAY. EXPECT SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS MUCH OF NORTHERN ARIZONA TODAY. BULK SHEAR AND MOST UNSTABLE CAPE VALUES INDICATE THE POTENTIAL EXISTS FOR A FEW ORGANIZED SEVERE STORMS TO DEVELOP DURING THE DAY...MAINLY ACROSS YAVAPAI COUNTY AND SOUTHERN COCONINO COUNTY. STORM MOTION WILL BE FROM WEST TO EAST AROUND 15 TO 20 MPH. THE PRIMARY THREAT TODAY WILL BE FROM LARGE HAIL...LOCALLY HEAVY RAINFALL AND STRONG GUSTY DOWNDRAFT WINDS 40 TO 60 MPH. ISOLATED TO WIDELY SCATTERED SHOWER AND THUNDERSTORM ACTIVITY WILL LIKELY CONTINUE INTO THE OVERNIGHT HOURS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED THUNDERSTORM ACTIVITY WILL CONTINUE ON THURSDAY WITH ISOLATED SEVERE ACTIVITY STILL POSSIBLE. A DRYING TREND WILL DEVELOP BY FRIDAY...INTO THE WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Flagstaff radar (KFSX), 56 km away, was scanning. The volume nearest the first event began at 19:00 UTC.
2 hail. Local standard time, as filed.
A thunderstorm produce hail close to the size of nickles from The Village of Oak Creek to Sedona.
A thunderstorm produce hail close to the size of nickles from The Village of Oak Creek to Sedona.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2008Every state in 2008This day in weather historyWarnings in Arizona, September 2008
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: 136181, 136182.