Weather Alert in Idaho
Flood Advisory issued August 26 at 2:59PM MDT until August 26 at 6:00PM MDT by NWS Boise ID
AREAS AFFECTED: Owyhee, ID
DESCRIPTION: * WHAT...Dry washes and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of southwest Idaho near Little Jacks Creek, including the following county, Owyhee. * WHEN...Until 600 PM MDT. * IMPACTS...Rises in small streams and normally dry washes. * ADDITIONAL DETAILS... - At 257 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause dry washes and small stream flooding. Between 1.5 and 2.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Little Jacks Creek, Big Horse Basin Gap, Chalk Hills and The Hat. - https://www.weather.gov/safety/flood
INSTRUCTION: Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging currents in a matter of minutes, even from distant rainfall.
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Weather Topic: What is Snow?
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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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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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