Weather Alert in Arizona
Dust Advisory issued September 2 at 5:27PM MST until September 2 at 6:30PM MST by NWS Tucson AZ
AREAS AFFECTED: Pinal, AZ
DESCRIPTION: The National Weather Service in Tucson has issued a * Dust Advisory for... Central Pinal County in southeastern Arizona... * Until 630 PM MST. * At 527 PM MST, an area of blowing dust was located 11 miles northeast of Picacho Peak State Park, moving northeast at 10 mph. HAZARD...Less than three miles visibility. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Hazardous travel. * Locations impacted include... Oracle, Eloy, Saddlebrooke Ranch, Kearny, Picacho, Chui-Chu, Picacho Peak State Park, Red Rock, Cactus Forest, Shopishk, Kelvin and East Chui-Chu. This includes the following highways... Route 79 between mile markers 95 and 128. Route 87 between mile markers 116 and 124. Route 77 between mile markers 97 and 111. Route 177 between mile markers 141 and 158. Interstate 10 between mile markers 205 and 229.
INSTRUCTION: Motorists should not drive into an area of blowing dust. PULL ASIDE STAY ALIVE!
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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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