Weather Alert in California
Special Weather Statement issued July 30 at 10:33AM PDT by NWS Eureka CA
AREAS AFFECTED: Northern Humboldt Coast; Southwestern Humboldt; Mendocino Coast
DESCRIPTION: ...TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE DEL NORTE COAST... * UPDATES... No further tsunami danger exists, however some areas may continue to experience small sea level changes and strong currents. Continue to exercise extreme caution at beaches and harbors. * OBSERVED TSUNAMI WAVE HEIGHTS FROM EARLIER... Humboldt Bay California 1.2 ft at 0132 AM PDT on Jul 30 This will be the final statement issued for the local area for this event.
INSTRUCTION: N/A
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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
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