Weather Alert in California
Flood Advisory issued July 26 at 4:34PM PDT until July 26 at 6:30PM PDT by NWS Reno NV
AREAS AFFECTED: Lassen, CA; Plumas, CA
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast California, including the following counties, Lassen and Plumas. * WHEN...Until 630 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 434 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Chilcoot-Vinton. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Recent burn areas are more prone to flooding, debris flows, and rock falls. Plugged culverts, rocks and debris on roads, and water and mud over roads are common during moderate to heavy rains. Increased sediment and debris can lead to impacts in areas typically not prone to flooding. Use extra caution when traveling in or below recent burn areas. Impactful flooding and debris flows may be generated by 15 minutes or less of heavy rainfall.
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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
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
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