Weather Alert in Arizona
Dust Storm Warning issued August 25 at 3:50PM MST until August 25 at 4:45PM MST by NWS Phoenix AZ
AREAS AFFECTED: Maricopa, AZ; Pinal, AZ
DESCRIPTION: The National Weather Service in Phoenix has issued a * Dust Storm Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 445 PM MST. * At 350 PM MST, a wall of dust was along a line extending from 9 miles south of Freeman to 7 miles southeast of Chui-Chu to near Coolidge Airport, moving northwest at 25 mph. HAZARD...Less than a quarter mile visibility with strong wind in excess of 50 mph. SOURCE...Trained weather spotters. IMPACT...Dangerous life-threatening travel. * This includes the following highways... AZ Interstate 10 between mile markers 174 and 204. AZ Interstate 8 between mile markers 145 and 178. AZ Route 87 between mile markers 124 and 155. Locations impacted include... Casa Grande, Coolidge, Maricopa, Arizona City, La Palma, Blackwater, Toltec, San Tan Valley, Coolidge Airport, Bapchule, Estrella Sailport, Olberg, Arizola, San Tan Mountain Park, and Randolph.
INSTRUCTION: Dust storms lead to dangerous driving conditions with visibility reduced to near zero. If driving, avoid dust storms if possible. If caught in one, pull off the road, turn off your lights and keep your foot off the brake.
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Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
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