Weather Alert in California

Recent Locations: Mojave, CA

Special Weather Statement issued July 30 at 12:37PM PDT by NWS Los Angeles/Oxnard CA

AREAS AFFECTED: San Luis Obispo County Beaches; 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... ...STRONG TSUNAMI-RELATED CURRENTS TO CONTINUE FOR THE IMMEDIATE COASTAL AREAS OF LOS ANGELES AND VENTURA COUNTIES... preliminary magnitude of 8.8 centered 315 miles SW of Bering Island, Komandorski at a depth of 46 miles. * TIDE INFORMATION... Port San Luis...Low tide of 1.9 ft at 946 PM PDT on Jul 30. High tide of 4.7 ft at 348 PM PDT on Jul 31. Santa Barbara...Low tide of 2.1 ft at 914 PM PDT on Jul 30. High tide of 4.7 ft at 321 PM PDT on Jul 31. 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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds