Weather Alert in Arizona
Dust Advisory issued September 1 at 5:30PM MST until September 1 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... Southwestern Pinal County in southeastern Arizona... * Until 630 PM MST. * At 530 PM MST, a wall of dust was located along a line from near Eloy to 8 miles north of Marana, moving southwest at 20 mph. HAZARD...Less than one mile visibility. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Hazardous travel. * Locations impacted include... Eloy, Picacho, Chui-Chu, Picacho Peak State Park, Pinal Airpark, Red Rock, Cockleburr, North Komelik, Kohatk, Jack Rabbit, Shopishk and East Chui-Chu. This includes the following highways... Route 87 between mile markers 116 and 124. Interstate 10 between mile markers 205 and 231.
INSTRUCTION: Motorists should not drive into an area of blowing dust. PULL ASIDE STAY ALIVE!
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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