Weather Alert in Arizona
Dust Advisory issued June 30 at 6:45PM MST until June 30 at 7:45PM MST by NWS Tucson AZ
AREAS AFFECTED: Pima, AZ; Santa Cruz, AZ
DESCRIPTION: The National Weather Service in Tucson has issued a * Dust Advisory for... East Central Pima County in southeastern Arizona... Santa Cruz County in southeastern Arizona... * Until 745 PM MST. * At 645 PM MST, an area of blowing dust was located over far eastern Pima county, moving southwest at 20 mph. HAZARD...Less than two miles visibility. SOURCE...Trained spotters reported. IMPACT...Hazardous travel. * Locations impacted include... Tucson, Sahuarita, Green Valley, Nogales, Tubac, Davis-Monthan Air Force Base, Rio Rico, Vail, Corona De Tucson, East Sahuarita, Patagonia, Sonoita, Elgin, Patagonia Lake State Park, Nogales International Airport, Summit, Saguaro National Park East, Rita Ranch, Mescal and Tumacacori. This includes the following highways... Interstate 19 between mile markers 1 and 25. Interstate 10 between mile markers 268 and 295. Route 82 between mile markers 1 and 44. Route 83 between mile markers 8 and 58.
INSTRUCTION: Motorists should not drive into an area of blowing dust. PULL ASIDE STAY ALIVE! Blowing dust brings reduced visibility, leading to dangerous driving conditions. If driving, avoid blowing dust if possible. If caught in dense blowing dust, pull off the road, turn off your lights and keep your foot off the brake.
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Weather Topic: What is Fog?
Home - Education - Cloud Types - Fog
Next Topic: Fractus Clouds
Fog is technically a type of stratus cloud, which lies along the
ground and obscures visibility.
It is usually created when humidity in the air condenses into tiny water droplets.
Because of this, some places are more prone to foggy weather, such as regions
close to a body of water.
Fog is similar to mist; both are the appearance of water droplets suspended in
the air, but fog is the term applied to the condition when visibility is less than 1 km.
Next Topic: Fractus Clouds
Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
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