Weather Alert in California
Special Weather Statement issued August 23 at 12:43PM PDT by NWS Hanford CA
AREAS AFFECTED: Visalia - Porterville - Reedley; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End of the Lower Sierra; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
DESCRIPTION: At 1243 PM PDT, Doppler radar was tracking a cluster of strong thunderstorms near Three Rivers, or 23 miles northeast of Porterville, moving northwest at 30 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Three Rivers, Shadequarter Mtn, South Fork Campground, Potwisha Campground, Case Mountain, Ash Mountain Sequoia Park HQ, and Lemon Cove.
INSTRUCTION: If outdoors, consider seeking shelter inside a building. 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.
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Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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
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