Weather Alert in California
Coastal Flood Advisory issued June 26 at 9:42AM PDT until June 27 at 2:00AM PDT by NWS San Francisco CA
AREAS AFFECTED: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline
DESCRIPTION: * WHAT...Minor coastal flooding expected during nocturnal high tide. * WHERE...Bayshore locations along the San Francisco Bay and San Pablo Bay. * WHEN...From 11 PM this evening to 2 AM PDT Friday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Low lying areas within the San Francisco Bay Area may see minor coastal flooding as a result during nocturnal high tide. San Francisco high tide is 6.66 ft at 12:38 AM Friday.
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 is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
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