A large area of low pressure was stationed over eastern Montana with shortwaves rotating around it over northern Arizona. This provided dynamic support to an already moist
environment with numerous showers and thunderstorms. A stronger shortwave moved from the northwest to southcentral portions of Arizona during the afternoon to provide even more lift to an already unstable atmosphere. Some storms became severe with hail and at least one tornado.

Thunderstorm Wind in YAVAPAI, ARIZONA
From 03-OCT-22 14:00:00 to 03-OCT-22 14:25:00 (MST-7)
Location: CORNVILLE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Two Arizona Cypress trees blew over from wind with a thunderstorm. The storm also produce d 1.33 inches of rain.

Flash Flood in YAVAPAI, ARIZONA
From 03-OCT-22 15:00:00 to 03-OCT-22 17:00:00 (MST-7)
Location: CLARKDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Clarkdale Police Department reported that the Old Jerome Highway/89A was closed due to flooding and debris.  Reta Street was also closed due to the flooding.

Thunderstorm Wind in YAVAPAI, ARIZONA
From 03-OCT-22 14:05:00 to 03-OCT-22 14:05:00 (MST-7)
Location: (PRC)PRESCOTT ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The peak wind gust from a thunderstorm at Prescott Love Field was 60 MPH.

Thunderstorm Wind in YAVAPAI, ARIZONA
From 03-OCT-22 14:15:00 to 03-OCT-22 14:20:00 (MST-7)
Location: FORBING PARK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gust of over 50 MPH was breaking branches in Prescott.

Hail in COCONINO, ARIZONA
From 03-OCT-22 12:42:00 to 03-OCT-22 12:45:00 (MST-7)
Location: PERRIN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Half dollar sized hail (1 1/4 inch diameter) hail was reported about 7 miles north of Williams just after a tornado swept through.

Tornado in COCONINO, ARIZONA
From 03-OCT-22 12:37:00 to 03-OCT-22 12:52:00 (MST-7)
Location: PERRIN
Tornado F-scale: EF1
Property damage: 350.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tornado touched down about 8 miles west-northwest of Williams in the Junipine Estates neighborhood. Ten 10 structures were damaged and or destroyed (homes and outbuildings). One power poll was blown down and the power was out in the entire community. Camping trailers/mobile homes were turn over. Some rooves were blown off houses.

Thunderstorm Wind in YAVAPAI, ARIZONA
From 03-OCT-22 14:20:00 to 03-OCT-22 14:20:00 (MST-7)
Location: ENTRO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Weather spotters reported wind gusts estimated to be between 50 and 60 MPH with several two inch diameter tree branches knocked down.

Flash Flood in YAVAPAI, ARIZONA
From 03-OCT-22 14:51:00 to 03-OCT-22 16:00:00 (MST-7)
Location: OAK CREEK CANYON ARP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Four feet of water was flowing over Back O' Beyond Road in Sedona near Cathedral Rock.

Flood in NAVAJO, ARIZONA
From 03-OCT-22 15:00:00 to 09-OCT-22 20:00:00 (MST-7)
Location: HAVRE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Little Colorado River began to rise in Holbrook (LHB) around 300 PM on October 3. This flow started at around 4.9 feet (34 CFS) increased, and peaked around 13.5 feet (3,700 CFS) at 900 AM on October 4. The river gauge near Winslow (LCW) started increasing at 800 AM October 3 (11.75 feet (53 CFS) and rose to 13.4 feet (700 CFS) by 900 AM. The wave from Holbrook arrived around 400 PM and rose to 17 feet/4,700 CFS by 200 AM on October 4. The river reached flood stage (19 feet/ 8,500 feet) by 100 PM. The river at Winslow crested at 19.7 feet/9,000 CFS by 700 PM. The flow crested at the confluence with the Colorado River (LCM) at 700 PM October 9 (4,400 CFS).