Weather Alert in Idaho
Flash Flood Warning issued August 26 at 6:05PM MDT until August 26 at 9:00PM MDT by NWS Boise ID
AREAS AFFECTED: Boise, ID
DESCRIPTION: FFWBOI The National Weather Service in Boise has issued a * Flash Flood Warning for... East Central Boise County in southwestern Idaho... * Until 900 PM MDT. * At 605 PM MDT, Boise County law enforcement reported numerous 911 calls about rock slides and standing water on Idaho State Highway 21 between Lowman and Grandjean. Flash flooding is ongoing. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, as well as other poor drainage and low-lying areas. Rock slides were reported on Idaho State Highway 21 at mileposts 72 and 76-77. Three feet of water was reported on the road at milepost 80.
INSTRUCTION: Stay away or be swept away. River banks and culverts can become unstable and unsafe. 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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