A massive wall of dust known as a haboob swept through Phoenix, Arizona, on Monday, disrupting flights, cutting power to thousands, and raising questions about the nature and risks of such storms. The phenomenon, though not new to the American Southwest, caught widespread attention due to its sheer intensity and impact.
What is a Haboob?
The term haboob comes from the Arabic word “habb”, meaning “to blow.” It refers to an intense dust storm that occurs when strong winds from thunderstorms push downward and outward, lifting sand and dust into the air and creating a thick, moving wall of debris.
According to the US national weather service, these storms can reach heights of 3,000 to 5,000 feet and move at speeds of up to 60 miles per hour.
Where do Haboobs occur?
Haboobs are common in arid regions like northern Africa, the Middle East, and parts of North America. In the United States, they are most frequent in Arizona, particularly in and around the Phoenix area, due to the state’s desert climate and summer monsoon patterns.
The Southwest monsoon season, which runs from June to September, often brings the conditions that lead to haboobs.
What happened in Phoenix?
On August 26, a large haboob swept through Phoenix and surrounding areas, significantly reducing visibility and causing widespread disruption. Flights at Phoenix Sky Harbor international airport were temporarily grounded, and tens of thousands of homes lost power due to downed lines and infrastructure damage.
Local media reported wind gusts of up to 70 mph, uprooting trees and damaging property. “I couldn't see my hand in front of my face if I put my hand outside,” one resident told People magazine.
What are the risks of a Haboob?
The primary danger of a haboob is the sudden loss of visibility, which can lead to road accidents. The Arizona department of transportation (ADOT) advises drivers to pull off the road immediately if caught in such a storm, turn off lights, and keep feet off the brake pedal to avoid being rear-ended.
Dust particles in the air can also cause respiratory issues, particularly for people with asthma or other breathing conditions.
Is this a one-off event?
No. Arizona typically experiences one to three haboobs each year during the summer. However, the scale of the latest storm - visible on satellite imagery and stretching for miles - makes it one of the more significant ones in recent years.
Policymakers and environmentalists have raised concerns that rising land degradation and urban sprawl may contribute to more intense dust storms in the future.
What safety measures should be taken?
What is a Haboob?
The term haboob comes from the Arabic word “habb”, meaning “to blow.” It refers to an intense dust storm that occurs when strong winds from thunderstorms push downward and outward, lifting sand and dust into the air and creating a thick, moving wall of debris.
According to the US national weather service, these storms can reach heights of 3,000 to 5,000 feet and move at speeds of up to 60 miles per hour.
Where do Haboobs occur?
Haboobs are common in arid regions like northern Africa, the Middle East, and parts of North America. In the United States, they are most frequent in Arizona, particularly in and around the Phoenix area, due to the state’s desert climate and summer monsoon patterns.
The Southwest monsoon season, which runs from June to September, often brings the conditions that lead to haboobs.
What happened in Phoenix?
On August 26, a large haboob swept through Phoenix and surrounding areas, significantly reducing visibility and causing widespread disruption. Flights at Phoenix Sky Harbor international airport were temporarily grounded, and tens of thousands of homes lost power due to downed lines and infrastructure damage.
Local media reported wind gusts of up to 70 mph, uprooting trees and damaging property. “I couldn't see my hand in front of my face if I put my hand outside,” one resident told People magazine.
What are the risks of a Haboob?
The primary danger of a haboob is the sudden loss of visibility, which can lead to road accidents. The Arizona department of transportation (ADOT) advises drivers to pull off the road immediately if caught in such a storm, turn off lights, and keep feet off the brake pedal to avoid being rear-ended.
Dust particles in the air can also cause respiratory issues, particularly for people with asthma or other breathing conditions.
Is this a one-off event?
No. Arizona typically experiences one to three haboobs each year during the summer. However, the scale of the latest storm - visible on satellite imagery and stretching for miles - makes it one of the more significant ones in recent years.
Policymakers and environmentalists have raised concerns that rising land degradation and urban sprawl may contribute to more intense dust storms in the future.
What safety measures should be taken?
- If driving: Pull off the road, turn off lights, and wait for the dust to pass.
- At home: Stay indoors, close all windows and doors, and use air filtration if available.
- For health: People with breathing conditions should avoid outdoor activity and use masks or air purifiers if necessary.
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