1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 Aug 7, 2:40 PM MST, 5 hours 34 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 240 PM MST MON AUG 07 2006 .SYNOPSIS...A MOIST SOUTHERLY FLOW ALOFT WILL CONTINUE ACROSS NORTHERN ARIZONA THROUGH THE END OF THE WEEK AS HIGH PRESSURE REMAINS TO OUR EAST. THERE WILL BE A CHANCE OF MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS EACH DAY...AND TEMPERATURES WILL BE NEAR NORMAL. && .DISCUSSION...SCATTERED THUNDERSTORMS DEVELOPED OVER SOUTHERN APACHE AND NAVAJO COUNTIES AROUND MIDDAY...BUT STORMS HAVE GENERALLY BEEN WEAK WITH ONLY BRIEF HEAVY RAIN. ISOLATED STORMS HAVE DEVELOPED ELSEWHERE...WITH ONE STRONG STORM OVER THE AZ/UT BORDER EARLIER WHERE VERTICAL WIND SHEAR IS GREATER. FOR THIS EVENING...WILL KEEP ISOLATED STORMS IN THE FORECAST WEST OF A KAYENTA-WINSLOW-PAYSON LINE WITH SCATTERED STORMS TO THE EAST. ALTHOUGH MOISTURE VALUES SUPPORT SLIGHTLY HIGHER POPS...A WARM LAYER ALOFT (500-400MB LAYER) IS LIKELY CAUSING DECREASED CAPE VALUES AND LIMITING CONVECTION. FOR TUESDAY...THE HIGH PRESSURE RIDGE WILL BE CENTERED OVER NORTHERN NEW MEXICO WITH THE AXIS STRETCHING WESTWARD ACROSS CENTRAL ARIZONA. THIS WILL KEEP THE FORECAST AREA IN A SOUTHERLY FLOW WITH THE HIGHEST MOISTURE VALUES OVER EASTERN SECTIONS. FORECAST SOUNDINGS INDICATE THE WARM LAYER ALOFT WILL PERSIST...SO POPS WERE LOWERED SLIGHTLY FROM PREVIOUS FORECAST. FOR WEDNESDAY AND THURSDAY...THE RIDGE WILL BE NEAR THE FORECAST AREA WITH A WEAK STEERING FLOW. MOISTURE SHOULD AGAIN BE MOST PLENTIFUL OVER SOUTHERN AND EASTERN SECTIONS. NEAR CLIMATOLOGICAL NORMAL POPS ARE FORECAST. THE HIGH PRESSURE CENTER IS FORECAST TO BE SUPPRESSED SOUTH OF THE AREA AGAIN BY THE END OF THE WEEK AS ANOTHER TROUGH MOVES ONTO THE WEST COAST. SOME DRYING WOULD BE POSSIBLE OVER WESTERN SECTIONS IF THIS SOLUTION WERE CORRECT. MODEL CONSISTENCY IS LOW WITH THIS SOLUTION SO ONLY MADE MINOR CHANGES TO THE FORECAST AT THIS TIME. && .AVIATION...FOR THE 00Z PACKAGE...SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS NRN AZ THROUGH 04Z BEFORE DIMINISHING TO WDLY SCT -SHRA. THE STRONGEST STORMS ARE EXPECTED TO BE EAST OF A PAGE TO WHITE MOUNTAINS LINE WITH 3SM +TSRA AND CIGS DOWN TO 3 KFT AGL. THUNDERSTORMS ARE EXPECTED TO REDEVELOP AFT 18Z TUESDAY OVER NRN AZ. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && JJ/DL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1007 AM MST MON AUG 7 2006 AZZ004>018-037>040-080700- 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- 1007 AM MST MON AUG 7 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY MOISTURE AND INSTABILITY HAVE INCREASED THIS MORNING AS A SOUTHERLY WIND FLOW CONTINUES TO DEVELOP. SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP BY THIS AFTERNOON OVER MUCH OF NAVAJO...APACHE AND NORTHERN GILA COUNTIES. THESE STORMS WILL BE SLOW MOVING...WITH THE THREAT OF HEAVY RAINFALL AND LOCALIZED FLOODING...ESPECIALLY IN AREAS WHERE THE GROUND IS SATURATED DUE TO RECENT HEAVY RAIN. FOR COCONINO AND YAVAPAI COUNTIES...EXPECT ISOLATED STORMS OVER THE LOWER ELEVATIONS AND SCATTERED STORMS IN THE MOUNTAINS. THE STORMS WILL MOVE NORTHWARD AT 10-15 MPH. THE MAIN THREAT WITH STORMS IN THIS AREA WILL BE HAIL NEAR ONE-HALF INCH IN DIAMETER. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A MOIST SOUTHEASTERLY FLOW WILL CONTINUE OVER THE AREA. THERE WILL BE A CHANCE OF MAINLY AFTERNOON AND EVENING THUNDERSTORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Flagstaff radar (KFSX), 122 km away, was scanning. The volume nearest the first event began at 03:15 UTC.
1 flash flood. Local standard time, as filed.
Snowflake and Taylor Police Department reported flooding in Cottonwood Wash and Silver Creek along Highway 277.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2006Every state in 2006This day in weather historyWarnings in Arizona, August 2006
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: 5529555.