Weather Alert in California
Flood Advisory issued February 16 at 12:26PM PST until February 16 at 2:00PM PST by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: Los Angeles, CA
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southwest California, including the following county, Los Angeles. * WHEN...Until 200 PM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Rock slides and mud slides possible near high terrain. * ADDITIONAL DETAILS... - At 1223 PM PST, trained weather spotters reported heavy rain with roadway flooding in Pearblossom in the advisory area due to showers and thunderstorms. Minor flooding is ongoing or expected to begin shortly. - Some locations that will experience flooding include... Lake Los Angeles, Lancaster, Palmdale, Quartz Hill, Pearblossom, Llano, Littlerock, Elizabeth Lake, Lake Hughes, Lake Palmdale, Desert View Highlands, Highway 138 between Quail Lake and Lancaster, Castaic Lake, Pyramid Lake, Interstate 5 over the Grapevine, Highway 138 between Llano and the San Bernardino County line and Gorman. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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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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