Weather Alert in California
Winter Storm Watch issued February 13 at 11:06AM PST until February 18 at 10:00PM PST by NWS Reno NV
AREAS AFFECTED: Lassen-Eastern Plumas-Eastern Sierra Counties
DESCRIPTION: * WHAT...Heavy snow. Snow accumulations 6 to 12 inches west of Highway 395, with local high elevation totals west of Highway 89 up to 2 feet. This includes locations such as Plumas Eureka, Graeagle, Portola, and Lake Davis. For valley locations along and east of Highway 395, 2 to 6 inches, including Susanville, Janesville, Standish, and Doyle. Wind gusts 35 to 45 mph with up to 65 mph for wind prone locations along US-395. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From Sunday evening through Wednesday evening. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning and evening commutes. * ADDITIONAL DETAILS...Elevations below 5000 feet will initially start as rain, changing to snow Monday afternoon into evening for all elevations.
INSTRUCTION: Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
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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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