Weather Alert in California
Winter Storm Warning issued February 15 at 8:11PM PST until February 19 at 9:00AM PST by NWS San Diego CA
AREAS AFFECTED: San Bernardino County Mountains
DESCRIPTION: * WHAT...Heavy snow expected. For first round Monday into early Tuesday, 6-10 inches expected between 6000-7000 ft, 10-18 inches expected 7000-8000 ft, and up to 30 inches above 8000 ft. South winds gusting to 40-60 mph on the ridges and desert slopes. Occasional light snow showers Tuesday. Widespread moderate snow late Tuesday into Wednesday morning, with additional totals 8-15 inches between 6000-7500 ft. Light snow showers expected Thursday. Stronger southwest winds with gusts in excess of 70 mph along the desert slopes possible late Tuesday and Wednesday. A few additional inches of snow expected Thursday. * WHERE...San Bernardino County Mountains. * WHEN...From 10 AM Monday to 9 AM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...For the first round Monday, snow levels will start around 6800-7500 ft and fall to near 5000 ft by early Tuesday morning. Snow levels lowering to around 4000 ft Wednesday morning. Impacts to I-15 near the summit of the Cajon Pass possible Wednesday morning and Thursday morning.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
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.
Next Topic: Stratocumulus Clouds
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
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