Weather Alert in Arizona
Flash Flood Warning issued August 21 at 6:39PM MST until August 21 at 8:15PM MST by NWS Flagstaff AZ
AREAS AFFECTED: Gila, AZ; Yavapai, AZ
DESCRIPTION: At 639 PM MST, Doppler radar indicated thunderstorms that produced heavy rain earlier have dissipated. However, flash flooding impacts are likely continuing, but no additional rainfall is expected. HAZARD...Life threatening flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks, streams and normally dry washes. Some locations that will experience flash flooding include... Chalk Mountain and Pine Mountain Wilderness. This includes the following creeks, washes and rivers... Silver Creek, Middle Red Creek, Red Creek, Bishop Creek, Verde River, Houston Creek, Sycamore Creek, Tangle Creek, South Prong Sycamore Creek, Spring Wash, Wet Bottom Creek, Dry Wash, Brushy Creek, Pigeon Creek and Horse Creek.
INSTRUCTION: Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable.
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Weather Topic: What is Snow?
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Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
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Weather Topic: What are Stratus Clouds?
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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.
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