Deep monsoon moisture continued to move across northern Arizona with strong to severe thunderstorms.
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 FGZ wrote it up.
Deep monsoon moisture continued to move across northern Arizona with strong to severe thunderstorms.
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 Jul 30, 8:48 AM MST, 4 hours 12 minutes earlier.
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</html>The Flagstaff radar (KFSX), 92 km away, was scanning. The volume nearest the first event began at 19:58 UTC.
4 flash flood, 1 thunderstorm wind. Local standard time, as filed.
Heavy rain over the Schultz (2010) and Pipeline (2022) fire scars lead to flooding on the west end of Copeland Lane.
Heavy rain over the northern portion of the Schultz (2010) and Pipeline/Tunnel (2022) fires caused flash flooding in the Wupatki Trails neighborhood. This flooding stayed within the newly constructed channels and into the Cinder Lakes area as designed.
A thunderstorm produced high winds (estimated at 60 MPH) with frequent lightning and heavy rainfall.
An automated stream gauge on Cataract Creek (9 miles SSE of the Village of Supai) measured a 6 foot rise at 315 PM. A gauge near the confluence with the Colorado River showed a 1.6 foot rise starting at around 400 AM MST on July 31.
A thunderstorm produced heavy rain causing street flooding rendering the roads impassable.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2023Every state in 2023This day in weather historyWarnings in Arizona, July 2023
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: 1127224, 1127225, 1127228, 1127227, 1127229.