Weather Alert in California
Special Weather Statement issued August 25 at 1:33PM PDT by NWS San Diego CA
AREAS AFFECTED: San Diego County Mountains; San Diego County Deserts
DESCRIPTION: At 133 PM PDT, Doppler radar was tracking a strong thunderstorm near Hwy S2 Vallecito Creek Rd, or 14 miles east of Mount Laguna, moving northwest at 10 mph. HAZARD...Wind gusts of 50 to 55 mph and penny 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... Hwy S2 Between Agua Caliente And Canebrake, Hwy S2 Vallecito Creek Rd, Hwy S2 Between Canebrake And Imperial County Line, Fish Creek Wash, Hwy S2 Between Shelter Valley And Agua Caliente, Agua Caliente, and Canebrake.
INSTRUCTION: If outdoors, consider seeking shelter inside a building.
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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
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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