Weather Alert in California
Coastal Flood Advisory issued February 14 at 5:39PM PST until February 17 at 3:00PM PST by NWS San Francisco CA
AREAS AFFECTED: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline
DESCRIPTION: * WHAT...Up to 1.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco Bay Shore. * WHEN...From 7 AM Sunday to 3 PM PST Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 0.9 ft above normal (6.8 ft MLLW) at 9:34 AM Sunday 1.0 ft above normal (6.9 ft MLLW) at 10:16 AM Monday 1.0 ft above normal (6.9 ft MLLW) at 10:58 AM Tuesday These predictions include up to 0.9 ft of storm surge that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and throughout the San Francisco Bay, respectively.
INSTRUCTION: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
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Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
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