Weather Alert in California
Winter Storm Watch issued February 15 at 5:00AM PST until February 19 at 9:00AM PST by NWS San Diego CA
AREAS AFFECTED: San Bernardino County Mountains
DESCRIPTION: * WHAT...Heavy snow possible. For first round Monday into early Tuesday, 6-10 inches expected between 6000-7000 ft, 10-16 inches expected 7000-8000 ft, and up to 20 inches above 8000 ft. South winds gusting to 40-60 mph on the ridges and desert slopes. Occasional light snow showers Tuesday, followed by more widespread moderate snow late Tuesday into Wednesday morning, then light snow showers through Thursday. Stronger southwest winds with gusts in excess of 70 mph along the desert slopes possible late Tuesday and Wednesday. * WHERE...San Bernardino County Mountains. * WHEN...From Monday morning through Thursday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...For the first round Monday, snow levels will start around 6500 ft and fall to near 5000 ft. Snow levels lowering to around 4000 ft Wednesday morning.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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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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