Coconino County, Arizona
Tornadoes, hail, floods and severe storms recorded here between 1957 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
48
Tornado reports
177
Hail reports
327
Floods since 1996
786
All events
31
Deaths
$35.1M
Property damage
Tornado paths in Coconino County
The part of each tornado’s path NOAA recorded in this county, 48 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Tornado EF3 Tornado
This tornado caused extensive forest damage (primarily south of Bellemont), along a discontinuous track which extended from 15 miles south of Bellemont, eventually crossing Hwy 180 northwest of Flagstaff. The path of this tornado was parallel to, and approximately 1 mile west of …
Tornado EF3 Tornado
A tornado collapsed three 500 KV electrical transmission towers. The towers were of metal truss construction. One tower was completely flattened. Photographic evidence and first-hand reports were provided by Arizona Public Service. Tornado damage intensity is rated at EF-3. Damag…
Heavy rain fell over the Catract Creek and Havasu Creek drainages. Radar estimated 1-2 of rain fell early in the afternoon of August 22nd. Flash flooding occurred which resulted in many people being evacuated from the campgrounds on the creek, with helicopter evacuations for peop…
A family of 5 was hit by a flash flood in Labyrinth Canyon that drains into Lake Powell. The wife and mother drowned.
A vehicle was caught in the flood waters of Dinnebito Wash near Route 6720 and Saltwater Wash. There was one fatality and two others trapped in the water. This was located about 72 air miles downstream from the headwaters of this wash.
A vehicle was caught in the flood waters of Dinnebito Wash near Route 6720 and Saltwater Wash. There was one fatality and two others trapped in the water. This was located about 72 air miles downstream from the headwaters of this wash.
A flash flood rushed down the Tatahatso Wash/Slot Canyon into the Colorado River (38 miles down stream from Lees Ferry). A commercial river trip with 30 people and two large raft had set up camp at the mouth of the wash for the night. The flash flood washed away the camp. Four pe…
Three young men were struck by lightning within minutes of reaching the summit of Humphreys Peak (12,633 feet above mean sea level). Two of them men were injured and one died.
A man was struck by lightning while hiking the South Kaibab Trail near Ooh Aah Point (about mile down the trail from the Rim). Paramedics were unable to resuscitate him.
A group of hikers that was caught in a thunderstorm took shelter under a stand of Ponderosa pine trees. Initial reports from on-scene deputies indicated that lightning struck one of the pine trees where the group was standing and knocked most of them to the ground. Members of the…
Lightning struck three people at LeFavre Scenic Overlook along Highway 89 about eight miles north of Jacobs Lake. Two people died and the third person sustained non-life-threatening injuries.
Lightning killed a 64-year-old woman visiting the Grand Canyon National Park. It is unclear if the lightning directly hit the victim. Five additional park visitors, ages 45 to 68, were also injured. The event took place at Mohave Point.
Heavy rain over the Schultz Fire burn area caused extensive flash flooding on both sides of Highway 89 northeast of Flagstaff. A 12 year old girl was swept away in the flood waters and drowned. Two rain gauges within the burn area reported 1.48 and 1.78 inches of rain in 52 minut…
A 45 year old man was struck and killed by lightning about 200 yards off the Wahweap Marina.
A two year old boy and his parents were killed in a flash flood while hiking in Havasu Canyon. Two other family members had reached the the safety of Havasupai Village before the late night storm hit.
Two people died while hiking in a slot canyon when a flash flood washed them down stream. The two were long overdue from a hiking trip when searchers began looking for them. The last entry in a personal journal, dated August 7, indicated that they were going to hike up a slot can…
A Flash Flood on Phantom Creek killed two people and injured a third person. Runoff from the heavy rain associated with a thunderstorm several miles north of the flash flood site caught the three people as they were crossing Phantom Creek. All three attempted to save themselves b…
Eleven hikers and tourists were drowned by a flash flood in a narrow slot canyon 5 miles southeast of Page. A severe thunderstorm 3 to 5 miles upstream produced very heavy rain causing a 10-30 foot wall of water to crash down Antelope Canyon. In the area of the flood fatalities t…
Lightning struck and injured seven military personnel while they were working on a grounded helicopter on Camp Navajo Army Depot. All seven were treated and released.
Accumulating hail on Interstate 40 about 5 miles west of Williams caused at least 9 crashes. Three cars rolled over and six cars slid off the road. One person was ejected from their car. Two people had serious injuries and four people had minor injuries. The Interstate was closed…
Considerable structural damage in and around the community of Bellemont; significant forest damage and treefall in forest north and south of Bellemont. This tornado was from the same storm that produced Tornado #2. Aerial and ground surveys verified a semi-continuous tornado path…
Between 1 to 2.5 inches of rain fell in around two hours just east and northeast of the town of Tusayan and the South Entrance to The Grand Canyon National Park. This caused significant flooding of homes homes, buildings, and cars. Highway 64 into the GCNP was closed, shelter in …
Supai Police reported a two foot wall of water moving down Hualapai Canyon toward the Village of Supai. The Suapi USGS river gage reported a peak flow of about 600 CFS at around 500 PM. Flash flooding was reported in the campground at around 320 PM. This flood water may have been…
Heavy rain from a thunderstorm caused another round of flash flooding, mud and debris flows, closed roads, and more damage to homes. Water flowed over Highway 89, Land Fill Road, and entered homes on the east side of Highway 89. Some homes had two to three feet of water inside.
Heavy rain from thunderstorms over the Cataract Creek and Havasu Creek drainages caused flash flooding that started in the Village of Supai around 11:30 PM on August 16. Radar estimated between 3 and 4 inches of rain over several square miles in the Cataract Creek drainage during…
Repeat thunderstorms over the Grand Canyon National Park produced some the worst flash flooding seen in years. Severe damage was done to the Bright Angel and North Kaibab hiking trails, forcing their closure for nearly two weeks. Flood waters also undermined a major water supply …
Flash Flood Flash Flood
Law enforcement reported a 6 foot rise in Havasu Creek at Supai. Times are estimated.
Flash Flood Flash Flood
The Agua Fria near Humboldt river gauge (AFHA3) rose 3 feet due to heavy rain upstream.
Law Enforcement reported 2 hikers injured from a lightning strike on Humphreys Peak. Time of event estimated on radar.
Flood Flood
Flagstaff police department reported northbound Milton Road closed due to flooding at the railroad underpass near Phoenix Ave.
Flash Flood Flash Flood
A USGS stream gage on the Moenkopi Wash (MOEA3) measured an 8 foot rise in 3 hours, from 18.69 to 26.74 ft. This would put the Moenkopi Wash into moderate flood stage. The flow increased from 13 to 2860 cfs in that time period. The Moenkopi Wash would further rise into major floo…
Flash Flood Flash Flood
A USGS stream gauge in Jacks Canyon (JCCA3) measured a 5.4 foot rise from widespread rainfall of 0.75 to 1.25 inches upstream. Peak flow was 699 cfs.
Flash Flood Flash Flood
Public reported, via social media, photos of flash flooding with waterfalls streaming down cliff sides into Lower Antelope Creek.
Flash Flood Flash Flood
Pubic reported, via social media, photos of flash flooding with waterfalls streaming down cliff sides into Navajo Canyon near the confluence with Lake Powell.
Flash Flood Flash Flood
Law enforcement reported flash flooding along Havasu Creek at Supai leading to trapped hikers. An upstream gauge (CCTA3) showed a rise from 4.05 ft to 5.95 ft from 12:15pm to 12:45pm MST, then another peak of 6.57 ft at 2:45pm MST. A downstream gauge (HNSA3) showed multiple peaks…
Hail Hail
Public reported, via social media, hail up to the size of quarters.
Hail Hail
Public reported, via social media, hail in Garland Prairie up to the size of quarters.
Hail Hail
Public reported, via social media, hail in Parks up to the size of quarters.
Hail Hail
A trained spotter reported hail up to the size of quarters at Thorpe Park.
Flash Flood Flash Flood
Law enforcement reported a 3 ft rise on Havasu Creek. Times are estimated.
Flash Flood Flash Flood
The National Park Service and USGS provided pictures and USGS stream gage data of a flash flood event that occurred in North Canyon Wash. The stream gage showed a peak rise of 1.1 feet at 8:55 PM on September 4th, followed by a second peak rise of 0.8 feet at 2:55 AM on September…
Flash Flood Flash Flood
Forest Service officials report flooding with ash laden water through House Rock Wash along Buffalo Ranch Road (Forest Road 8910). The road was impassable and blocked access for BAER team members performing work in the area. The White Sage burn scar was upstream from this locatio…
Flash Flood Flash Flood
A USGS stream gauge at Lees Ferry (PLFA3) measured a 1.2 foot rise on the Paria River. Water would likely have been higher upstream closer to the heavier rainfall. Time estimated by radar.
Flash Flood Flash Flood
Antelope Canyon Tribal Park Service sent photos of water flowing through Antelope Canyon. High water marks indicated water depth of 1 to 2 feet prior to entering Antelope Canyon. Time is estimated.
Heavy Rain Heavy Rain
Public reported heavy rain near Glen Canyon Dam that closed the Chains and Hanging Gardens trailheads due to flooding. Rainfall was estimated at 0.5 inches.
Flash Flood Flash Flood
A USGS stream gage on Jacks Canyon Creek (JCCA3) measured a 2.5 foot rise from heavy rain upstream. The rain happened on Sunday afternoon.
Flash Flood Flash Flood
A USGS river gauge on the Paria River near the confluence with the Colorado River (PLFA3) measured a 3.3 foot rise.
Flash Flood Flash Flood
The USGS stream gauge on Cataract Creek below Heather Wash measured a 2.8 foot rise in one hour due to upstream heavy rainfall.
Flash Flood Flash Flood
A county official reported a 5 foot rise in 45 minutes at the Rio de Flag Coconino County ALERT gauge located near the Flagstaff Mall.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 2 | 0 |
| 2025 | 23 | 0 |
| 2024 | 18 | 2 |
| 2023 | 25 | 1 |
| 2022 | 57 | 2 |
| 2021 | 54 | 2 |
| 2020 | 4 | 0 |
| 2019 | 14 | 1 |
| 2018 | 35 | 2 |
| 2017 | 13 | 0 |
| 2016 | 25 | 0 |
| 2015 | 24 | 0 |
| 2014 | 11 | 0 |
| 2013 | 43 | 0 |
| 2012 | 20 | 0 |
| 2011 | 31 | 1 |
| 2010 | 41 | 10 |
| 2009 | 7 | 2 |
| 2008 | 16 | 1 |
| 2007 | 18 | 0 |
| 2006 | 35 | 2 |
| 2005 | 20 | 2 |
| 2004 | 16 | 0 |
| 2003 | 25 | 2 |
| 2002 | 19 | 0 |
| 2001 | 20 | 0 |
| 2000 | 21 | 0 |
| 1999 | 16 | 1 |
| 1998 | 25 | 1 |
| 1997 | 27 | 3 |
| 1996 | 19 | 0 |
| 1995 | 7 | 1 |
| 1994 | 3 | 0 |
| 1992 | 9 | 4 |
| 1990 | 1 | 0 |
| 1987 | 1 | 0 |
| 1986 | 6 | 0 |
| 1985 | 2 | 0 |
| 1983 | 4 | 0 |
| 1982 | 1 | 0 |
| 1981 | 3 | 0 |
| 1980 | 1 | 1 |
| 1979 | 1 | 0 |
| 1978 | 1 | 0 |
| 1976 | 1 | 0 |
| 1975 | 2 | 0 |
| 1974 | 1 | 0 |
| 1973 | 2 | 0 |
| 1972 | 2 | 0 |
| 1970 | 1 | 0 |
| 1968 | 2 | 2 |
| 1967 | 2 | 1 |
| 1966 | 2 | 1 |
| 1965 | 3 | 0 |
| 1962 | 1 | 0 |
| 1958 | 1 | 1 |
| 1957 | 2 | 2 |
Search your address
See every tornado that passed within 25 miles of a place in Coconino County, measured to its path.
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