Weather Alert in California
Flood Advisory issued February 17 at 5:45PM PST until February 18 at 3:00AM PST by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: San Luis Obispo, CA; Santa Barbara, CA
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southwest California, including the following counties, San Luis Obispo and Santa Barbara. * WHEN...Until 300 AM PST Wednesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rock and mud slides possible. Minor debris flows possible. * ADDITIONAL DETAILS... - At 540 PM PST, Doppler radar indicated heavy showers and isolated thunderstorms developing across the region. Activity will continue through the pre-dawn hours of Wednesday. Minor flooding is ongoing or expected to begin shortly in the advisory area, and continue through the overnight hours. Rock and mud slides possible. Minor debris flows possible. - Some locations that will experience flooding include... Santa Maria, Santa Barbara, San Luis Obispo, Lompoc, Paso Robles, Morro Bay, Pismo Beach, Santa Ynez, Point Conception, Montecito, Atascadero, Arroyo Grande, Nipomo, Carpinteria, Cambria, Solvang, Vandenberg Space Force Base, Orcutt, Los Alamos and Highway 101 through Gaviota State Park. And, the Gifford and Madre Burn Scars, Lake Burn Scar. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of the potential for rock slides and mud slides in areas of steep terrain.
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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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