Weather Alert in California
Flash Flood Warning issued February 16 at 1:46PM PST until February 16 at 4:00PM PST by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: Los Angeles, CA
DESCRIPTION: FFWLOX The National Weather Service in Los Angeles/Oxnard has extended the * Flash Flood Warning for... Southeastern Los Angeles County in southwestern California... * Until 400 PM PST. * At 146 PM PST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Rock slides and mud slides are expected. Minor debris flows possible on the Bridge Burn Scar. HAZARD...Flash flooding caused by thunderstorms. Rock slides and mud slides. Minor debris flows possible on the Bridge Burn Scar. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding. Thunderstorms producing flash flooding. Rock slides and mud slides. Minor debris flows possible on the Bridge Burn Scar. * Some locations that will experience flash flooding include... Long Beach, West Covina, Glendora, San Dimas, Pomona, Whittier, La Verne, Covina, Azusa, Baldwin Park, Diamond Bar, Hacienda Heights, Monrovia, Claremont, Santa Fe Springs, Norwalk, Cerritos, Artesia, Bellflower and Walnut.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
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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
Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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