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 16, 2:25 AM MST, 6 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 225 AM MST WED AUG 16 2006 .SYNOPSIS...A MOIST AND UNSTABLE AIRMASS WILL REMAIN OVER SOUTHEAST ARIZONA FOR CONTINUED MAINLY AFTERNOON AND EVENING THUNDERSTORM ACTIVITY THROUGH THE WEEK. && .DISCUSSION...A COUPLE OF FEATURES WERE CAUSING SOME THUNDERSTORM FLARE UP NEAR PRESCOTT ARIZONA AND SOUTH OF NOGALES OVER SONORA MEXICO EARLY THIS MORNING. THE FIRST FEATURE WAS A SHORTWAVE TROUGH MOVING THROUGH NEVADA AND SOUTHEAST CALIFORNIA WHICH SHOWED UP NICELY IN WATER VAPOR IMAGERY AND THE MODELS. THE SECOND ONE WAS A SHORTWAVE LIFTING NORTHWARD OVER NORTHWEST MEXICO. THIS FEATURE WAS NOT CAPTURED BY THE MODELS VERY WELL BUT SHOWED UP NICELY IN WATER VAPOR IMAGERY. EXPECT THIS SHORTWAVE TO CONTINUE TO TRACK NORTHWARD TODAY...AND POSSIBLY HELP TRIGGER A FEW SHOWERS OR THUNDERSTORMS YET THIS MORNING ACROSS SOUTHEAST ARIZONA. AS THIS FEATURE MOVES FARTHER NORTH...SUBSIDENCE IN ITS WAKE MIGHT LIMIT THUNDERSTORM ACTIVITY LATER TODAY IN THE EVENING. MODELS CONTINUED TO SPREAD DRIER AIR INTO THE STATE THURSDAY AND FRIDAY. RIGHT NOW...IT STILL LOOKED LIKE THIS DRIER AIR WILL NOT SPREAD OVER MOST OF SOUTHEAST ARIZONA THIS WEEK. THEREFORE...WILL KEEP POP VALUES ABOUT THE SAME EACH DAY THROUGH EARLY NEXT WEEK. VARY LITTLE CHANGE CAN BE EXPECTED IN HIGH TEMPERATURES WHICH SHOULD HOVER NEAR OR SLIGHTLY BELOW NORMAL. && .AVIATION...TAFS AND TWEBS ADEQUATELY COVER ALL SIGNIFICANT WEATHER AT KTUS. && .TWC WATCHES/WARNINGS/ADVISORIES...NONE. && WEATHER.GOV/TUCSON
The Tucson radar (KEMX), 112 km away, was scanning. The volume nearest the first event began at 15:44 UTC.
1 flash flood. Local standard time, as filed.
Lee Street at the Alamo Wash was closed due to flooding of the roadway. Water was two feet deep at crest. Additionally, a car was stalled in the intersection of 5th Street and Sahara Street due to flooding.
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: 5530389.