Weather Alert in California
Special Weather Statement issued August 23 at 10:40AM PDT by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley
DESCRIPTION: At 1040 AM PDT, Doppler radar was tracking a cluster of strong thunderstorms was developing from near Llano to Saddleback Butte, moving northwest at 20 mph. HAZARD...Erratic wind gusts of 40 to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and powerlines, produce blowing dust with low visibilities, as well as blow around unsecured objects. This strong thunderstorm will be near... Lake Los Angeles and Llano around 1040 AM PDT. Palmdale around 1050 AM PDT. Lancaster around 1110 AM PDT. Other locations impacted by this storm include Valyermo, Big Pines, Falling Springs, Angeles Crest Highway between Mount Waterman and Wrightwood, and Highway 138 between Llano and the San Bernardino County line.
INSTRUCTION: If outdoors, consider seeking shelter inside a building until the storm passes. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. This storm may intensify. Continue to monitor the situation through local media sources and the National Weather Service.
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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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