Weather Alert in Arizona

Recent Locations: Lake Havasu City, AZ  

Dust Storm Warning issued August 31 at 3:38PM MST until August 31 at 5:15PM MST by NWS Tucson AZ

AREAS AFFECTED: Cochise, AZ

DESCRIPTION: The National Weather Service in Tucson has issued a * Dust Storm Warning for... Central Cochise County in southeastern Arizona... * Until 515 PM MST. * At 338 PM MST, an area of blowing dust was located 11 miles northeast of Pearce-Sunsites, moving southwest at 20 mph. HAZARD...Less than a quarter mile visibility with wind gusts up to 50 mph. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Dangerous life-threatening travel. * Locations impacted include... Bisbee, Willcox, Tombstone, Dragoon, Pearce-Sunsites, Bisbee-Douglas Airport, Cochise, Elfrida, Sunizona, McNeal, Kansas Settlement and Texas Canyon. This includes the following highways... Route 90 between mile markers 333 and 336. Route 80 between mile markers 315 and 339...and between mile markers 375 and 384. Route 181 between mile markers 39 and 55. Route 191 between mile markers 7 and 66. Interstate 10 between mile markers 318 and 349. Route 186 between mile markers 327 and 352.

INSTRUCTION: Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

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

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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