Arizona Tornadoes

Arizona averages 4 tornadoes per year. Most occur during summer monsoon season when moisture flows in from the Gulf of California. Arizona tornadoes are typically weak (EF0-EF1) and short-lived.

Arizona Tornado Statistics

Average tornadoes per year: ~4
Peak season: Monsoon (July-August)
Most tornadoes: EF0-EF1

The Monsoon Connection

Arizona's tornadoes primarily occur during the summer monsoon:

Gulf of California moisture
Convective storms build
Occasional supercell development
Weak tornadoes possible

Regional Arizona Risk

Phoenix Metro

Occasional monsoon tornadoes. Desert environment.

Tucson Area

Similar to Phoenix. Monsoon influence.

Northern Arizona

Colorado Plateau. Rare tornadoes.

Grand Canyon Region

Terrain limits formation.

Living in Arizona

Tornado risk low
Understanding of monsoon severe weather
NOAA weather radio during monsoon
Basic weather awareness sufficient

→ Simulate a tornado on our map

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