Weather Alert in California
Beach Hazards Statement issued August 11 at 9:07PM PDT until August 12 at 9:00PM PDT by NWS San Francisco CA
AREAS AFFECTED: Coastal North Bay Including Point Reyes National Seashore; Northern Monterey Bay
DESCRIPTION: * WHAT...A long period southwesterly swell will result in an increased risk for sneaker waves and rip currents.. * WHERE...Coastal North Bay Including Point Reyes National Seashore and Northern Monterey Bay Counties. * WHEN...Through Tuesday evening. * IMPACTS...Sneaker waves can unexpectedly run significantly farther up the beach than normal, including over rocks and jetties. Rip current conditions are present. Rip currents are typically more frequent and stronger in the vicinity of jetties, inlets, and piers. Swimmers should always swim near a lifeguard. * ADDITIONAL DETAILS...Greatest risk will be along southwest facing beaches. Coastal sections of Marin and Santa Cruz counties. In particular southwest facing beaches, including but not limited to Stinson Beach, Santa Cruz Boardwalk Beach, and Twin Lakes Beach.
INSTRUCTION: Remain out of the water to avoid hazardous swimming conditions.
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Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
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