Weather Alert in California
Winter Storm Watch issued February 14 at 12:20PM PST until February 19 at 9:00AM PST by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Interstate 5 Corridor
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations of 1 to 4 inches for 3500 to 4500 feet elevation including the Grapevine of the Interstate-5 Corridor possible. Total snow accumulations of 6 to 12 inches above 4500 feet elevation possible. Winds could gust as high as 50 mph. * WHERE...Interstate 5 Corridor, Santa Barbara County Interior Mountains, and Southern Ventura County Mountains. * WHEN...From Tuesday evening through Thursday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could become treacherous. Visibilities may drop below one-quarter mile due to falling and blowing snow.
INSTRUCTION: If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order. Monitor the latest forecasts for updates on this situation.
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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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