Abundant moisture and weak winds aloft led to scattered slow moving thunderstorms across southeast Arizona. The primary threats from the storms were heavy rainfall and strong downburst winds.
Every event with a place to put it. 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 episode as NWS TWC wrote it up.
Abundant moisture and weak winds aloft led to scattered slow moving thunderstorms across southeast Arizona. The primary threats from the storms were heavy rainfall and strong downburst winds.
The Tucson radar (KEMX), 37 km away, was scanning. The volume nearest the first event began at 20:40 UTC.
1 thunderstorm wind. Local standard time, as filed.
Strong thunderstorm downburst winds downed or snapped off 18 power poles in Green Valley. One of the power poles landed on a house.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2009Every state in 2009This day in weather historyWarnings in Arizona, July 2009
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 2026-09-30. Each event’s entry at NCEI: 174196.