Weather Alert in California
Special Weather Statement issued July 30 at 2:39PM PDT by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: Catalina and Santa Barbara Islands; San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
DESCRIPTION: ...ALL TSUNAMI ADVISORIES HAVE BEEN CANCELLED... * UPDATES... All Tsunami Advisories have been cancelled. However, tidal fluctuations and enhanced currents will continue for the next few days. * LOCAL IMPACTS... While the tsunami is expected to remain below advisory criteria, strong currents will pose a risk for ocean swimmers. * RECOMMENDED ACTIONS... If you are located in this coastal area, check in with local lifeguards before entering the water. Be alert to instructions from your local emergency officials. * OBSERVED TSUNAMI WAVE HEIGHTS FROM EARLIER... Port San Luis California 2.7 ft at 0214 AM PDT on Jul 30 Santa Barbara California 1.5 ft at 0706 AM PDT on Jul 30 Santa Monica California 1.2 ft at 0827 AM PDT on Jul 30 Los Angeles Harbor CA 0.5 ft at 0546 AM PDT on Jul 30 This will be the final statement issued for the local area for this event.
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Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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