1 heavy rain, 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 11, 10:05 AM MST, 4 hours 40 minutes earlier.
AREA FORECAST DISCUSSION...RETRANSMISSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1005 AM MST FRI AUG 11 2006 .SYNOPSIS...A MOIST AND UNSTABLE AIRMASS WILL REMAIN OVER ARIZONA INTO EARLY NEXT WEEK. AS A RESULT...EXPECT A CHANCE OF AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS EACH DAY. && .DISCUSSION...THE LARGE SCALE PATTERN THIS MORNING STILL CONSISTS OF A 500 MB TROUGH ALONG THE US WEST COAST...WITH A 500 MB HIGH PRESSURE CENTER OVER NM. THE CIRCULATION AROUND THE HIGH COMBINED WITH ACTIVE CONVECTION TO OUR SOUTH HAS PUSHED MOIST AIR FARTHER NORTH THROUGH THE NORTHERN AZ FORECAST AREA PER SATELLITE PRECIPITABLE WATER IMAGERY...WITH THE 1 INCH BOUNDARY NOW NEAR THE AZ/UT BORDER AND THE 1.5 INCH BOUNDARY STILL AROUND SOUTHERN YAVAPAI COUNTY. THIS DISTRIBUTION SPREADS UPPER LEVEL MOISTURE SUBSTANTIALLY FARTHER NORTHWARD COMPARED WITH YESTERDAY...SO EXPECTING MUCH GREATER THUNDERSTORM COVERAGE NORTH OF THE RIM COMPARED WITH YESTERDAY. IN ADDITION...STEERING FLOW HAS INCREASED TO A MORE COHERENT 5-10 MPH SOUTHERLY FLOW TODAY...COMPARED WITH VERY WEAK FLOW YESTERDAY. THIS WILL ALSO TEND TO MOVE STORMS NORTH OFF THE RIM. IN THE NEARER TERM...A MESOSCALE CONVECTIVE VORTEX OVER SOUTHWEST YAVAPAI COUNTY HAS BEEN GOING FOR SEVERAL HOURS...WITH WIDESPREAD LIGHT TO MODERATE RAIN AND EMBEDDED THUNDERSTORMS. GFS HAS PICKED UP ON THIS CIRCULATION AND GRADUALLY MOVE IT NORTHEASTWARD THROUGH NORTHERN AZ TODAY. OVER THE UPCOMING SEVERAL DAYS...THE PACIFIC TROUGH IS EXPECTED TO RE-ESTABLISH A DRY AND STABLE FLOW ALOFT...ESPECIALLY NORTHWEST PORTIONS OF AZ. POPS TREND GRADUALLY DOWN FOR NEXT SEVERAL DAYS TO ACCOUNT FOR THIS AND THIS LOOKS GOOD. && .AVIATION...FOR THE 18Z PACKAGE...SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE AREA THROUGH 04Z. SOME STORMS WILL PRODUCE LOCAL LOW CEILINGS/VISIBILITIES AND VARIABLE GUSTY WINDS. CLOUDS AND ISOLATED SHOWERS AND THUNDERSTORMS WILL LINGER OVERNIGHT MOST LOCATIONS. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && ONTON/STAUDENMAIER
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1015 AM MST FRI AUG 11 2006 AZZ004>018-037>040-120700- 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- 1015 AM MST FRI AUG 11 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY A MOIST AIR MASS WILL REMAIN ACROSS NORTHERN ARIZONA TODAY. AS A RESULT...EXPECT SCATTERED THUNDERSTORMS ACROSS NORTHERN ARIZONA. BECAUSE OF A VERY MOIST CONDITIONS ALOFT...VERY HEAVY RAIN IS EXPECTED WITH THE STRONGER STORMS AND FLASH FLOODING WILL BE A THREAT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY EXPECT SCATTERED THUNDERSTORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Runoff from heavy rain caused the closure of Highway 64 south of Valle (milepost 208).
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: 5529552.