Weather Alert in California
Special Weather Statement issued July 30 at 5:53AM PDT by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
DESCRIPTION: ...TSUNAMI ADVISORY IS IN EFFECT FOR THE FOLLOWING LOCATIONS, ALL COASTAL AREAS OF SANTA BARBARA...AND SAN LUIS OBISPO COUNTIES... ...VERY ISOLATED LOW-END TSUNAMI WARNING CONDITIONS FOR PORT SAN LUIS AREA INCLUDING AVILA BEACH... ...TSUNAMI ADVISORY HAS BEEN ALLOWED TO EXPIRE FOR THE FOLLOWING LOCATIONS, ALL COASTAL AREAS OF VENTURA...AND LOS ANGELES COUNTIES... preliminary magnitude of 8.8 centered 315 miles SW of Bering Island, Komandorski at a depth of 46 miles. * TIDE INFORMATION... Los Angeles...High tide of 4.6 ft at 208 PM PDT on Jul 30. Port San Luis...High tide of 4.6 ft at 307 PM PDT on Jul 30. This product will be updated as new information becomes available. Stay tuned to your local news source and NOAA weather radio for further information and updates.
INSTRUCTION: N/A
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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