Weather Alert in Arizona
Dust Storm Warning issued June 30 at 5:25PM MST until June 30 at 7:00PM MST by NWS Tucson AZ
AREAS AFFECTED: Cochise, AZ
DESCRIPTION: The National Weather Service in Tucson has issued a * Dust Storm Warning for... North Central Cochise County in southeastern Arizona... * Until 700 PM MST. * At 525 PM MST, an area of blowing dust was located 10 miles east of Willcox, moving south at 20 mph. HAZARD...Less than a quarter mile visibility. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Dangerous life-threatening travel. * Locations impacted include... Willcox, Bowie, Pearce-Sunsites, Cochise, Sunizona and Kansas Settlement. This includes the following highways... Route 181 between mile markers 39 and 63. Route 191 between mile markers 39 and 91. Interstate 10 between mile markers 323 and 372. Route 186 between mile markers 327 and 359.
INSTRUCTION: Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE! 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 Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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