Weather Alert in Arizona
Flood Warning issued July 16 at 8:41AM MST until July 16 at 11:45AM MST by NWS Tucson AZ
AREAS AFFECTED: Pima, AZ
DESCRIPTION: Overnight heavy rain showers continuing this morning with 0.5 to 1 inch of rainfall and runoff leading to flooding conditions. * WHAT...Urban areas and small streams flooding caused by excessive rainfall is expected. * WHERE...A portion of South Central Arizona, including the following county, northeastern Pima. * WHEN...Until 1145 AM MST. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 837 AM MST, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 0.5 and 1 inch of rain has fallen with locally higher amounts. - This includes the following streams and drainages... Sabino Creek, Pantano Wash, Santa Cruz River, Bird Canyon, Oro, Caada del, Rillito River, Tanque Verde Wash, Ventana Canyon Wash, Esperero Wash, Agua Caliente Wash and Sutherland Wash. Additional rainfall amounts of 0.3 to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Tucson, Oro Valley, Casas Adobes, Flowing Wells, Tanque Verde, Sabino Canyon Recreation Area, Catalina Foothills, Saguaro National Park East and Seven Falls. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
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Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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
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