Locally heavy showers and thunderstorms produced areas of Flash Flooding on the Southeast side of the Tucson Metro area.
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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 TWC wrote it up.
Locally heavy showers and thunderstorms produced areas of Flash Flooding on the Southeast side of the Tucson Metro area.
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 26, 2:02 PM MST, 2 hours 58 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 202 PM MST TUE AUG 26 2008 .SYNOPSIS...ABUNDANT MOISTURE ACROSS SOUTHEAST ARIZONA WILL RESULT IN SCATTERED TO LOCALLY NUMEROUS THUNDERSTORMS THIS EVENING. SOME THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAINFALL AND STRONG GUSTY WINDS. SLOW DRYING WILL LEAD TO A GRADUAL REDUCTION IN THUNDERSTORM ACTIVITY FOR THE SECOND HALF OF THE WEEK. HIGH DAYTIME TEMPERATURES WILL REMAIN ABOUT 4 TO 8 DEGREES BELOW NORMAL THROUGH WEDNESDAY WITH A WARMUP TO NEAR NORMAL VALUES LATER THIS WEEK. && .DISCUSSION...THE EXTENSIVE CLOUD COVER OF THIS MORNING DEVELOPED SOME BREAKS LATE THIS MORNING INTO THIS AFTERNOON...THUS ALLOWING SOME HEATING AND THE DEVELOPMENT OF ISOLATED TO WIDELY SCATTERED STORMS...WHICH HAVE BEEN BRIEF HEAVY RAINERS. THANKS TO JULIO...THE ATMOSPHERE IS VERY WET AND ANY STORMS THAT DEVELOP WILL DROP HEAVY RAIN IN A SHORT PERIOD OF TIME. I WRESTLED WITH ISSUING A FF WATCH BUT AT THIS TIME DONT BELIEVE AREAL COVERAGE WILL BE WIDESPREAD TO WARRANT ONE. WILL HANDLE ANY FLOODING ISSUES WITH ADVISORIES AND WARNINGS. FLOW ALOFT WEDNESDAY BECOMING EAST NORTHEAST AS THE UPPER TROF...CURRENTLY OVER WESTERN ARIZONA...SAGS SOUTH IN SONORA MEXICO...AND HIGH PRESSURE BUILDS INTO THE GREAT BASIN. SHOULD SEE STORMS DEVELOP OVER THE HIGHER TERRAIN AND WITH STEERING FLOW OUT OF THE EAST NORTHEAST SOME OF THEM MIGHT WORK THERE WAY DOWN INTO THE VALLEYS. DAYTIME HIGH TEMPERATURES WILL RECOVER A BIT FROM TODAY. AS THE UPPER RIDGE/HIGH CENTER MOVES THROUGH THE GREAT BASIN THURSDAY/FRIDAY THE ATMOSPHERE WILL DRY OUT A BIT...RESULTING IN LESS AREAL COVERAGE OF STORMS. HIGH TEMPERATURES WILL BE WARMER BOTH DAYS WITH NEAR NORMAL READINGS ON FRIDAY. UPPER RIDGE PUSHED EAST SATURDAY IN RESPONSE TO STRONG UPPER TROF THAT WILL MOVE INTO THE WEST COAST LATE SATURDAY INTO SUNDAY. WILL STILL HAVE SOME RESIDUAL MOISTURE AROUND AS DEEP MOISTURE IS BOTTLED SOUTH OF THE BORDER WAITING FOR A PUSH NORTH AGAIN. THAT PUSH WILL OCCUR SUNDAY INTO MONDAY AS THE ABOVE MENTIONED STRONG TROF MOVE THROUGH THE INTERMOUNTAIN WEST. AS THIS MOMENT I HAVE KEPT POPS NEAR CLIMO FOR THE LATER PART OF THE LABOR DAY HOLIDAY WEEKEND. LATER SHIFT WILL MAKE ADJUSTMENTS WHEN NEEDED. NEAR NORMAL TEMPERATURES SATURDAY WITH TEMPERATURES SUNDAY AND MONDAY SEVERAL DEGREES COOLER. && .AVIATION...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE INTO THIS EVENING BEFORE BECOMING ISOLATED DURING THE OVERNIGHT HOURS. GUSTY AND ERRATIC WINDS NEAR THUNDERSTORMS WITH CIGS AS LOW AS BKN030 AGL/VSBYS 1-3SM IN HEAVY RAIN. AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS. && .TWC WATCHES/WARNINGS/ADVISORIES...NONE. WEATHER.GOV/TUCSON
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TUCSON AZ 200 PM MST TUE AUG 26 2008 AZZ019-030-035-271400- NORTHERN GREENLEE COUNTY-UPPER GILA RIVER VALLEY-COCHISE COUNTY- 200 PM MST TUE AUG 26 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT. ABUNDANT MOISTURE COMBINED WITH AN UPPER LEVEL DISTURBANCE MOVING EAST ACROSS THE STATE WILL DEVELOP SCATTERED SHOWERS AND THUNDERSTORMS. THE MAIN THREAT WITH THESE STORMS WILL BE LOCALLY HEAVY RAIN WHICH MAY CAUSE SOME FLOODING CONCERNS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SCATTERED SHOWERS AND THUNDERSTORMS WILL OCCUR AGAIN ON WEDNESDAY WITH LOCALIZED FLOODING BEING THE MAIN CONCERN. BY THURSDAY AND THROUGH THE REMAINDER OF THE FORECAST PERIOD HIGH PRESSURE PUSHING IN FROM THE WEST WILL RESULT IN A LESSER THREAT FOR STORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ029-031>034-271400- SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-TOHONO OODHAM NATION- TUCSON METRO/MARANA/GREEN VALLEY-SANTA CRUZ COUNTY- 200 PM MST TUE AUG 26 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARIZONA AND SOUTHEAST ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT. ABUNDANT MOISTURE COMBINED WITH AN UPPER LEVEL DISTURBANCE MOVING EAST ACROSS THE STATE WILL DEVELOP SCATTERED SHOWERS AND THUNDERSTORMS. THE MAIN THREAT WITH THESE STORMS WILL BE LOCALLY HEAVY RAIN WHICH MAY CAUSE SOME FLOODING CONCERNS. STRONG GUSTY WINDS WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SCATTERED SHOWERS AND THUNDERSTORMS WILL OCCUR AGAIN ON WEDNESDAY WITH LOCALIZED FLOODING BEING THE MAIN CONCERN. BY THURSDAY AND THROUGH THE REMAINDER OF THE FORECAST PERIOD HIGH PRESSURE PUSHING IN FROM THE WEST WILL RESULT IN A LESSER THREAT FOR STORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. WEATHER.GOV/TUCSON
The Tucson radar (KEMX), 21 km away, was scanning. The volume nearest the first event began at 00:00 UTC.
1 flash flood. Local standard time, as filed.
Sahuarita Road at Houghton Road was closed due to flooding.
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, August 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: 122447.