1 hail, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
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 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 1, 10:15 AM MST, 1 hour 46 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1015 AM MST THU SEP 01 2005 .SYNOPSIS...HIGH PRESSURE WILL BUILD TO THE EAST OF ARIZONA OVER THE NEXT FEW DAYS. THE RESULTING SOUTHERLY FLOW WILL ALLOW FOR AN INCREASE IN MOISTURE ALONG WITH INCREASING CHANCES FOR SHOWERS AND THUNDERSTORMS THROUGH SUNDAY. DRIER AIR WILL BEGIN TO MOVE ACROSS WESTERN ARIZONA BY LABOR DAY. && .DISCUSSION...SKIES GENERALLY MOSTLY CLEAR ACROSS MOST OF ARIZONA...WITH PARTLY CLOUDY SKIES OVER THE NORTHEAST QUADRANT OF THE STATE. CU BEGINNING TO TAKE SHAPE OVER THE HIGH TERRAIN AREAS...ESPECIALLY OVER ZONES 15 AND 16 PER VISIBLE SATELLITE LOOP. 12Z KFGZ SOUNDING SHOWS INCREASES IN PW AND CAPE VALUES WHEN COMPARED TO YESTERDAYS 12Z SOUNDING. TODAYS THERMAL PROFILE ALSO REVEALS SOME COOLING FROM H65 AND ABOVE VERSUS YESTERDAY. NORTHERN AZ CURRENTLY IN A SOUTHWESTERLY FLOW ALOFT WITH A RIDGE POSITIONED OVER EASTERN NEW MEXICO AND A WEAK TROUGH HANGING TO OUR WEST. WE WILL CONTINUE TO SEE A SLOW MOISTENING OF THE AIR MASS TODAY THROUGH THE WEEKEND. BOTH GFS AND NAM SHOWING SOME WEAK H5-H3 DIV-Q FORCING WITH THIS TROUGH. MODELS ARE CONSISTENT WITH THIS AREA OF WEAK LIFT REMAINING SOMEWHAT STATIONARY OVER THE COUNTY WARNING AREA THIS AFTERNOON AND INTO THE EVENING HOURS. AM THINKING THIS WILL ADD LONGEVITY TO THE CONVECTION DURING THE EVENING HOURS TONIGHT. WILL CONSIDER ADDING 10 PERCENT POPS TO THE SOUTHEASTERN ZONES IN THE LATE NIGHT/EARLY FRIDAY MORNING GRIDS. AFOREMENTIONED RIDGE WILL BEGIN TO SHIFT THE FLOW TO A MORE SOUTHERLY DIRECTION BEGINNING LATE FRIDAY INTO SATURDAY. THIS WILL CONTINUE THE TREND OF INCREASING MOISTURE ACROSS THE FORECAST AREA. CURRENT POP TRENDS REFLECT THIS WITH AN INCREASING CHANCE FOR CONVECTIVE ACTIVITY. CK && .AVIATION...FOR THE 18Z PACKAGE...MOISTURE WILL BE ON THE INCREASE TODAY WITH WDLY SCT TO SCT THUNDERSTORMS ACROSS THE AREA... ESPECIALLY DURING THE AFTERNOON AND EARLY EVENING HOURS. ISOLD STRONG GUSTY WINDS POSSIBLE FROM STRMS NORTH OF THE MOGOLLON RIM AND WHITE MOUNTAINS. ANY CEILINGS WILL BE 7 TO 10 THOUSAND FEET ABOVE GROUND LEVEL WITH VFR CONDITIONS. STRMS ACROSS THE RTES WILL BECOME ISOLD AFT 03Z...MAINLY EAST OF A LINE FROM KPGA TO KPHX. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. TC && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 920 AM MST THU SEP 1 2005 AZZ004>018-037>040-020700- 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- 920 AM MST THU SEP 1 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY EXPECT SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP BY NOON ACROSS PORTIONS OF YAVAPAI...COCONINO...APACHE...AND NAVAJO COUNTIES TODAY...ESPECIALLY FROM THE MOGOLLON RIM SOUTHWARD. STORMS WILL GENERALLY FORM OVER THE HIGHER TERRAIN DURING THE LATE MORNING HOURS...AND THEN DEVELOP INTO THE LOWER ELEVATIONS DURING THE AFTERNOON. STORM MOTION WILL BE TOWARDS THE NORTHEAST FROM 5 TO 15 MPH. THE PRIMARY THREAT WILL BE GUSTY WINDS TO NEAR 40 MPH...WITH THE POSSIBILITY OF HAIL FROM SOME OF THE STRONGER STORMS. ALTHOUGH BRIEF HEAVY RAIN IS ALSO LIKELY FROM MANY STORMS...THE THREAT OF FLOODING IS MINIMAL DUE TO RECENT DRY WEATHER. ISOLATED HEAVY PRECIPITATION STORMS WILL HAVE THE POTENTIAL TO FILL NORMALLY DRY WASHES AND CREEK BEDS IN THE EVENT OF SLOWER THAN EXPECTED MOVEMENT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY MOISTURE WILL INCREASE THROUGH THE WEEKEND BRINGING INCREASING THUNDERSTORM ACTIVITY. A PACIFIC LOW PRESSURE SYSTEM IS EXPECTED TO MOVE INTO THE STATE MONDAY...WHICH WILL BRING DRIER AIR AND LOWER THUNDERSTORM PROBABILITY FOR MIDWEEK...HOWEVER THE TRANSITION FROM A MOIST MONSOON PATTERN TO A DRIER ONE OFTEN BRINGS A PERIOD OF MORE INTENSE STORMS. THIS TRANSITION IS POSSIBLE EARLY NEXT WEEK. .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
1112 AM MST THU SEP 01 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1045 AM HAIL PRESCOTT VALLEY 34.61N 112.32W
09/01/2005 0.88 INCH YAVAPAI AZ UNKNOWN
1105 AM HAIL PRESCOTT VALLEY 34.61N 112.32W
09/01/2005 0.88 INCH YAVAPAI AZ UNKNOWN
&&
DBThe Flagstaff radar (KFSX), 95 km away, was scanning. The volume nearest the first event began at 18:58 UTC.
1 hail. Local standard time, as filed.
Nickel to quarter sized (7/8 to 1 inch diameter) hail fell in Humbolt for at least 10 minutes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2005Every state in 2005This day in weather historyWarnings in Arizona, September 2005
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: 5474126.