Weather Alert in Arizona
Flood Warning issued August 15 at 4:00AM MST until August 15 at 7:00AM MST by NWS Phoenix AZ
AREAS AFFECTED: Maricopa, AZ
DESCRIPTION: * WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of south central Arizona, including the following county, Maricopa. * WHEN...Until 700 AM MST. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 353 AM MST, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is already occurring in Indian Bend Wash. Between 1 and 2 inches of rain have fallen. - This includes the following streams and drainages... North Canyon Creek, New River, Skunk Creek, Indian Bend Wash, Cave Creek, Salt River, Apache Wash and Deadman Wash. Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Phoenix, Glendale, Scottsdale, Tempe, Paradise Valley, New River, Cave Creek, Carefree, Desert Ridge Marketplace, Scottsdale Airport, Deer Valley Airport, Downtown Scottsdale and Salt River Indian Community. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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