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 Tucson, AZ wrote its last area forecast discussion before the first event at Aug 11, 2:30 PM MST, 0 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 230 PM MST FRI AUG 11 2006 .SYNOPSIS...AN ACTIVE PATTERN WILL CONTINUE INTO TODAY AS SOUTHEAST ARIZONA RESIDES IN A MOIST AND UNSTABLE ATMOSPHERE. A LOW PRESSURE TROUGH MOVING OVER THE WEST COAST WILL TURN THE FLOW MORE WESTERLY THIS WEEKEND RESULTING IN LOWER THUNDERSTORM CHANCES BY LATE IN THE WEEKEND INTO EARLY NEXT WEEK. && .DISCUSSION...ACTIVITY THIS AFTERNOON MUCH BETTER THAN THIS TIME THURSDAY WITH SIGNIFICANT ACTION OCCURRING IN COCHISE COUNTY. ALTHOUGH THE STORMS ARE HIGHLY REFLECTIVE THIS AFTERNOON...THE WIND SPEEDS ARE BELOW SEVERE LIMITS AND HAIL HAS BEEN AROUND PEA SIZE. WHAT THESE STORMS HAVE BEEN IS RAINERS WITH RADAR DEPICTING AND SPOTTER REPORTING BETWEEN 2 TO 3 INCHES WHICH HAS LED TO SOME SIGNIFICANT FLASH FLOODING WITH SOME DEBRIS FLOW ON HIGHWAY 366 IN GRAHAM COUNTY AND SOME ROAD WASHED OUT IN COCHISE COUNTY. AS OF 2 PM...STORMS CONTINUE TO MERGE AND MAY DEVELOP AN MCS OUT OF THIS BEFORE THE AFTERNOON IS OVER. FROM THE SATELLITE VIEW POINT...GRAHAM GREENLEE AND COCHISE COUNTIES ARE IN THE BEST DIVERGENCE AREA ASSOCIATED WITH THE UPPER LOW OVER NORTHERN BAJA. THERE IS ALSO A WEAKENING MCV SOUTHWEST OF NOGALES THAT MAY ALSO BE AIDING IN THE STRONG THUNDERSTORM DEVELOPMENT EAST OF TUCSON. NOT MUCH IS HAPPENING FROM TUCSON WEST BUT SHOULD SEE SCATTERED ACTIVITY THIS EVENING. MAY HAVE A FEW LINGERING STORMS IN THE EARLY MORNING HOURS. BEYOND TODAY...A TROUGH ALONG THE WEST COAST AND WILL STRENGTHEN THIS WEEKEND AS THE AXIS SHIFTS SLOWLY EAST. THIS WILL RESULT IN A SLOW...LET ME EMPHASIS SLOW...DRYING TREND THROUGH NEXT WEEK. AFTERNOON TEMPERATURES WILL REMAIN AROUND NORMAL AS OVERNIGHT TEMPERATURES ARE MODERATED BY AMOUNT OF CLOUDS. && .AVIATION...TAFS AND TWEBS ADEQUATELY COVER ALL SIGNIFICANT WEATHER AT KTUS. && .TWC WATCHES/WARNINGS/ADVISORIES...NONE. && WEATHER.GOV/TUCSON
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TUCSON AZ 1036 AM MST FRI AUG 11 2006 AZZ019-029>035-120700- NORTHERN GREENLEE COUNTY-SOUTHEAST PINAL COUNTY- UPPER GILA RIVER VALLEY-WESTERN PIMA COUNTY-TOHONO OODHAM NATION- TUCSON METRO/MARANA/GREEN VALLEY-SANTA CRUZ COUNTY-COCHISE COUNTY- 1036 AM MST FRI AUG 11 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARIZONA AND SOUTHEAST ARIZONA. .DAY ONE...TODAY AND TONIGHT LIKE THE PAST SEVERAL DAYS...THERE IS AN ELEVATED RISK OF HEAVY RAIN AND FLASH FLOODING. THE ATMOSPHERE REMAINS EXTREMELY MOIST AND RATHER UNSTABLE. THE GROUND OVER MUCH OF SOUTHEAST ARIZONA REMAINS NEARLY SATURATED. STEERING FLOW REMAINS VERY LIGHT. THERE ARE TWO UPPER LEVEL DISTURBANCES WHICH MAY ENHANCE THUNDERSTORM DEVELOPMENT. ONE WILL MOVE SLOWLY EAST ACROSS CENTRAL AND NORTHERN ARIZONA. THE OTHER OVER NORTHERN SONORA WAS DRIFTING NORTHWEST TOWARD THE INTERNATIONAL BORDER. THE MOST LIKELY AREA FOR INITIAL STRONG THUNDERSTORM DEVELOPMENT WILL BE WHERE SKIES WERE CLEAR EARLY THIS MORNING...NAMELY OVER EXTREME EASTERN PIMA...EXTREME EASTERN PINAL...GREENLEE...GRAHAM AND COCHISE COUNTIES. HOWEVER AS THE DAY PROGRESSES...SOME CLEARING IS EXPECTED OVER SOUTH CENTRAL ARIZONA WHICH WILL INCREASE THE THREAT OVER SANTA CRUZ...THE REST OF PIMA...AND WESTERN PINAL COUNTY LATE THIS AFTERNOON AND TONIGHT. DUE TO VERY SLOW AND ERRATIC CELL MOTIONS...THE PRIMARY RISK WILL BE FOR 1 TO 2 INCHES OF RAIN PER HOUR FROM THE STRONGEST STORMS... ESPECIALLY NEAR MOUNTAINS. AN ISOLATED WET DOWNBURST OR TWO IS ALSO POSSIBLE WITH DAMAGING WIND GUSTS. IF THE STORMS BECOME MORE ORGANIZED...FLASH FLOOD WATCHES AND WARNINGS MAY BE REQUIRED LATER TODAY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED THUNDERSTORMS...SOME WITH HEAVY RAIN...ARE POSSIBLE AGAIN ON SATURDAY BEFORE A SLIGHT DOWNTURN IS EXPECTED EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. PYTLAK
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
111 PM MST FRI AUG 11 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1245 PM FLASH FLOOD 13 SSW SAFFORD 32.66N 109.78W
08/11/2006 GRAHAM AZ DEPT OF HIGHWAYS
ADOT REPORTED WATER OVER THE ROADS AND OUT OF BANKS AT
MILE POST 121/NOON CREEK AND MILE POST 123/WET CANYON.
NOTED BY DPS AT 1245. ROCKS AND DEBRIS WERE ALSO OVER THE
ROAD.
&&
HHANSONPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
154 PM MST FRI AUG 11 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0145 PM FLASH FLOOD 13 NE TOMBSTONE 31.85N 109.91W
08/11/2006 COCHISE AZ LAW ENFORCEMENT
ON CHARLESTON ROAD...BETWEEN MIL POSTS 12 AND
14...BETWEEN TOMBSTONE AND SIERRA VISTA...THE ROAD HAS
BEEN FLOODED AND PART OF THE ROAD HAS BEEN WASHED AWAY.
&&
HHANSONPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TUCSON AZ
210 PM MST FRI AUG 11 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0145 PM FLASH FLOOD 13 NE SIERRA VISTA 31.70N 110.17W
08/11/2006 COCHISE AZ LAW ENFORCEMENT
ON CHARLESTON ROAD...BETWEEN MILE POSTS 12 AND
14...BETWEEN TOMBSTONE AND SIERRA VISTA...THE ROAD HAS
BEEN FLOODED AND PART OF THE ROAD HAS BEEN WASHED AWAY.
&&
HHANSONThe Tucson radar (KEMX), 83 km away, was scanning. The volume nearest the first event began at 21:30 UTC.
1 flash flood. Local standard time, as filed.
Davis Road between the Town of Tombstone and the Town of McNeal was flooded and impassable due to heavy rainfall.
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: 5530386.