Weather Alert in Oregon
Winter Weather Advisory issued May 6 at 3:57AM PDT until May 7 at 8:00AM PDT by NWS Portland OR
AREAS AFFECTED: North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County
DESCRIPTION: * WHAT...Snow above 4000 feet. Additional snow accumulations of 3 to 8 inches, except 6 to 12 inches above 5000 feet. Winds gusting as high as 40 mph. * WHERE...West Slopes of the Northern and Central Oregon Cascades. * WHEN...Until 8 AM PDT Tuesday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Snow levels will be near the passes today, then they will fall to around 3500 feet and locally lower tonight into Tuesday morning. Roads that may be wet during the day today will likely become snow and ice covered tonight into early Tuesday morning.
INSTRUCTION: Slow down and use caution while traveling. For the latest road conditions call 5 1 1, or visit https://www.tripcheck.com
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North America Water Vapor (Moisture)
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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