Weather Alert in California
Flash Flood Warning issued June 3 at 10:20PM PDT until June 4 at 1:30AM PDT by NWS Las Vegas NV
AREAS AFFECTED: San Bernardino, CA
DESCRIPTION: FFWVEF The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 130 AM PDT. * At 1020 PM PDT, Doppler radar indicated thunderstorms still producing heavy rain across southeast San Bernardino County. Flash flooding is likely ongoing, and could expand to include either Highway 95 or Highway 62 shortly. HAZARD...Life-threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life-threatening flash flooding of low-water crossings, creeks, normally dry washes and roads. * Some locations that will experience flash flooding include... Havasu Landing, Mitchell Caverns, Highway 95 At Mile Marker 29, Parker Dam, Needles, Essex, Amboy, Highway 95 And I-40, Vidal Junction, Twentynine Palms Airport, Mohave Valley, Big River, Earp, Three Dunes Campground and Black Meadow Landing Campground.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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
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