Weather Alert in Arizona
Flash Flood Warning issued September 11 at 5:11PM MST until September 11 at 8:00PM MST by NWS Tucson AZ
AREAS AFFECTED: Pima, AZ
DESCRIPTION: FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Eastern Pima County in southeastern Arizona... * Until 800 PM MST. * At 511 PM MST, Doppler radar indicated thunderstorms earlier this afternoon had produced between 1 and 2 inches of rainfall, that has resulted in flash flooding within the Tanque Verde Creek. The latest observation at Chiva Tank in the upper reaches of the Tanque Verde Creek reported 3 feet of water, which will make its way downstream to the Tanque Verde Falls between 530 and 545 pm MST, and down to near the where the creek nears Tanque Verde Guest Ranch by 7 pm MST. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Tucson, Tanque Verde, Saguaro National Park East and Catalina Foothills. This includes the following Flash Flood Prone Locations... Wentworth Rd at Tanque Verde Wash.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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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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