Arizona, 2024

Flash Flood in Arizona, July 18 to 19, 2024

July 18 to 19, 2024 · NWS FGZ · 1 event in 1 county or zone

Monsoon moisture over northern Arizona produce showers and thunderstorms. One storm produce heavy rain over the Verde Valley which flowed into the Verde River.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS FGZ wrote it up.

Monsoon moisture over northern Arizona produce showers and thunderstorms. One storm produce heavy rain over the Verde Valley which flowed into the Verde River.

The radar

The Flagstaff radar (KFSX), 69 km away, was scanning. The volume nearest the first event began at 01:01 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Yavapai

When
July 18, 6:00 PM MST to July 19, 6:00 AM MST
Where
Yavapai County, 2.51 mi SSW of Cornville to 2.25 mi S of Smelter City
Cause
Heavy Rain
Reported by
Other Federal Agency
Coordinates
34.688, -111.941

USGS stream gauge on the Verde River near Camp Verde (VAVA3) reported a 1.26 foot rise from earlier thunderstorms upstream at 745 PM. Another gauge downstream (VCVA3) started to rise at 200 AM, peaked at 600 AM (just under a one foot rise), and then returned to near normal at 600 AM on July 19.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Arizona in 2024Every state in 2024This day in weather historyWarnings in Arizona, July 2024

Sources

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 2026-10-01. Each event’s entry at NCEI: 1206103.