Weather Alert in California
Red Flag Warning issued August 20 at 10:40PM PDT until August 23 at 9:00PM PDT by NWS Hanford CA
AREAS AFFECTED: Fort Tejon
DESCRIPTION: ...RED FLAG WARNING IN EFFECT THROUGH SATURDAY EVENING FOR FRAZIER PARK AND GRAPEVINE AREAS IN KERN COUNTY DUE TO LOW HUMIDITY AND LOCALLY BREEZY WINDS... * AFFECTED AREA...Fire weather zone 597 Fort Tejon, including the Frazier Park and Grapevine areas. * WIND...Southerly winds 10-15 mph with gusts 25 to 30 mph possible at times. * HUMIDITY...Minimum values around 8 to 15 percent with the lowest values expected Wednesday and Thursday. * THUNDERSTORMS...Isolated thunderstorms may develop on Friday until Sunday and produce gusty and erratic outflow winds. Isolated dry lightning is also possible. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
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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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