PHOENIX, July 14 (Reuters) – A massive monsoon surge slammed into the Phoenix metro area Monday afternoon, triggering a Category 3 dust storm that knocked out power to thousands, delayed flights at Sky Harbor, and damaged mobile homes.
The storm, centered on the core phoenix arizona dust storm event, reduced visibility to near zero in eastern suburbs. Wind speeds exceeded 60 mph. The National Weather Service issued a dust storm warning for Maricopa County until 8 p.m. local time.
| Parameter | Value |
|---|---|
| Wind speed (peak gust) | 65 mph |
| Visibility reduction | Near zero |
| ASU classification | Category 3 |
| Power outages | Over 15,000 customers |
| Flights delayed/diverted | 120+ |
Arizona State University researchers analyzing satellite imagery and ground sensor data classified the event as Category 3 on their dust storm severity scale. This is the highest level recorded in the Phoenix basin in five years. The storm’s leading edge rose over 8,000 feet, dragging a wall of dust and debris across I-10 and US 60.
Monsoon knocks out power, delays flights in Phoenix metro. Arizona Public Service reported 12,000 customers without electricity in Mesa and Gilbert. Salt River Project added another 3,500 outages in Chandler. Utility crews began restoration work but warned of extended blackouts into Tuesday morning due to downed lines. At Phoenix Sky Harbor International Airport, ground operations were suspended for two hours. Airlines diverted 20 inbound flights to Tucson and Las Vegas. Social media posts showed passengers stranded at gates, with some sharing images of dust-coated terminal windows.
Monsoon dust storm barrels into eastern Phoenix metro. The storm’s most intense impact hit the eastern suburbs. In Mesa, a mobile home park on Main Street suffered structural damage when a tree collapsed onto four units. No injuries were reported. Gilbert firefighters responded to multiple calls of downed power lines blocking intersections. Chandler police closed parts of Arizona Avenue due to zero-visibility conditions. Residents described the wall of dust as “like a brown wave” moving through their neighborhoods.
Safety Preparedness: How to Survive a Category 3 Dust Storm in Phoenix
Drivers caught in a dust storm must pull over immediately. Exit the roadway completely. Turn off all lights—including headlights and brake lights. Stay in the vehicle with seatbelts fastened. Wait for the storm to pass. Homeowners should secure loose patio furniture and have emergency kits with water, flashlights, and batteries. Insurance policies should cover wind and dust damage; renters in mobile home parks are advised to check their coverage ahead of monsoon season.
💡 Frequently Asked Questions (FAQ)
- Q: What caused the Phoenix Arizona dust storm?
- A: The dust storm was triggered by a massive monsoon surge that hit the Phoenix metro area Monday afternoon, producing a Category 3 event with wind gusts over 60 mph and a dust wall rising 8,000 feet.
- Q: How many power outages did the dust storm cause?
- A: Over 15,000 customers lost power, with Arizona Public Service reporting 12,000 outages in Mesa and Gilbert, and Salt River Project adding 3,500 outages in Chandler.
- Q: What was the impact on flights at Sky Harbor?
- A: Ground operations were suspended for two hours, leading to 20 flight diversions to Tucson and Las Vegas, and over 120 flights delayed or diverted overall.
- Q: How severe was the dust storm on the ASU scale?
- A: Arizona State University classified it as Category 3, the highest level recorded in the Phoenix basin in five years, based on satellite imagery and ground sensor data.
Extended Reading
For real-time updates and official advisories, refer to the National Weather Service Phoenix office and local utility providers. The July 14 event underscores a trend: more intense dust storms in Arizona, driven by prolonged drought and urban expansion into desert areas. Residents are urged to sign up for emergency alerts via Maricopa County’s Ready.gov programs.
Data sources: azfamily.com, Ktar News, FOX 10 Phoenix.