Phoenix, AZ Tornado History — 51 Tornadoes Since 1950
How many tornadoes has Phoenix, AZ had?
Phoenix has had 51 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Phoenix?
The most recent tornado within 25 miles of Phoenix was an EF0 on October 16, 2022.
When is tornado season in Phoenix?
August is historically the peak month for tornadoes near Phoenix, with 8 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Phoenix
The last 20 years of confirmed tornadoes within 25 miles — 9 total, averaging 0.5 per year over this window.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Have any tornadoes near Phoenix been fatal?
No fatalities are on record within 25 miles of Phoenix from any of the 51 tornadoes since 1950, though 55 injuries have been reported. NOAA Storm Prediction Center records.
Notable Tornadoes Near Phoenix
About Tornadoes in Phoenix
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Phoenix is in a part of the United States most people don't associate with tornadoes — but the metro has a long, well-documented record of weak-to-moderate tornadoes, particularly during the North American Monsoon (July through September) and during cool-season storm systems that pull moisture into central Arizona. Tornadoes here are real but rare, almost always EF0 or EF1, and overwhelmingly tied to thunderstorm outflow boundaries and cold-pool dynamics rather than the supercell environments that drive Plains tornadoes.
What Phoenix tornadoes look like
Most confirmed Phoenix-area tornadoes are short-lived (under 5 minutes), narrow (under 100 yards wide), and travel under a mile. They form in two distinct settings: monsoon thunderstorm collapses (July–September), where outflow boundaries from one storm interact with another, briefly tilting an existing horizontal vortex into vertical alignment; and cool-season closed lows (November–March), where Pacific moisture surges over the desert under a stalled upper trough, occasionally producing organized convection with enough shear to support tornadoes.
Dust devils, by contrast, are common in Phoenix but are not tornadoes — they form from surface heating without a parent thunderstorm and don't connect to a cumulonimbus cloud. NWS does not count dust devils in tornado statistics; the SPC archive numbers below reflect confirmed thunderstorm tornadoes only.
Notable historical events
The October 5, 2010 Apache Junction tornado — east Phoenix metro — was the strongest in modern Phoenix-area history. Rated EF2, it tracked through Apache Junction and damaged numerous mobile homes during a rare cool-season severe-weather setup that produced multiple tornadoes across the Valley. The October 2010 outbreak (associated with Tropical Storm Georgette remnants merging with a Pacific trough) reset emergency-management expectations for what kinds of events are possible in central Arizona.
The November 28, 2024 Mesa/Tempe EF1 swarm produced several short-lived tornadoes across the East Valley during a strong Pacific cold front, including damage in the Power Ranch and Gilbert areas. The 2024 event was widely warned by NWS Phoenix and arrived during evening hours, when daytime heating had already faded — a profile that doesn't match the textbook tornado-formation pattern but shows up in Phoenix repeatedly.
Why Phoenix tornado risk is misunderstood
Phoenix residents often believe the metro is "tornado-proof" because of the desert climate and surrounding mountains. Both ideas are wrong. The metro averages roughly one to three confirmed tornadoes per year over the long run — fewer than Tornado Alley but not zero. The mountains do disrupt some storm modes, but the wide flat Salt River Valley is exactly the kind of terrain that supports thunderstorm outflow boundary interactions.
The much bigger Phoenix severe-weather risk is microbursts — straight-line wind events from collapsing thunderstorms that can produce 70-100 mph gusts and damage indistinguishable from EF1-EF2 tornado damage. NWS Phoenix surveys these every monsoon season, and many residents understandably conflate them with tornadoes.
What this means for Phoenix residents today
For the small-but-nonzero tornado risk in Phoenix: most homes don't have basements (caliche soil and high water table in some areas make them impractical); shelter recommendations are interior rooms on the lowest floor, away from windows. Mobile home parks — common in the East Valley — require special attention; mobile homes provide essentially no tornado protection regardless of EF rating. Maricopa County emergency management identifies designated community shelters for residents without permanent shelter options.
For severe-weather alerting in general (microbursts, dust storms, flash floods, and the occasional tornado), phone-call alerts that bypass Do Not Disturb matter more than Phoenix residents typically realize. The greatest Phoenix-area severe-weather fatalities don't come from tornadoes — they come from flash flooding in normally-dry washes during monsoon storms. VORTEX Pro places phone calls for both tornado warnings and flash flood warnings.