Weather Alerts for California
1. Air Quality Alert for: Imperial County Southwest; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley
2. Freeze Warning for: Interior Del Norte; Northeastern Interior Humboldt; Southeastern Interior Humboldt; Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity; Western Lake
3. Freeze Warning for: Western Siskiyou County; Eastern Curry County and Josephine County; Jackson County
4. Frost Advisory for: Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino; Southwestern Interior Mendocino; Southeastern Interior Mendocino
5. Wind Advisory for: San Bernardino and Riverside County Valleys-The Inland Empire; San Bernardino County Mountains; Santa Ana Mountains and Foothills; Orange County Inland
6. Wind Advisory for: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains
7. Wind Advisory for: Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
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National Weather Forecast--Current
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North America Water Vapor (Moisture)
This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
Weather Topic: What is Fog?
Home - Education - Cloud Types - Fog
Next Topic: Fractus Clouds
Fog is technically a type of stratus cloud, which lies along the
ground and obscures visibility.
It is usually created when humidity in the air condenses into tiny water droplets.
Because of this, some places are more prone to foggy weather, such as regions
close to a body of water.
Fog is similar to mist; both are the appearance of water droplets suspended in
the air, but fog is the term applied to the condition when visibility is less than 1 km.
Next Topic: Fractus Clouds
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