Weather Alert in California

Recent Locations: Chula Vista, CA  
Current Alerts for Chula Vista, CA: Wind Advisory

Red Flag Warning issued June 20 at 2:14PM PDT until June 22 at 5:00AM PDT by NWS Los Angeles/Oxnard CA

AREAS AFFECTED: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western Antelope Valley Foothills; Antelope Valley

DESCRIPTION: ...RED FLAG WARNING IN EFFECT FROM 1 PM SATURDAY TO 5 AM PDT SUNDAY FOR STRONG TO DAMAGING NORTHWEST TO NORTH WINDS AND LOW RELATIVE HUMIDITY FOR THE I-5 CORRIDOR, SANTA BARBARA COUNTY INTERIOR MOUNTAINS, VENTURA COUNTY MOUNTAINS, AND ANTELOPE VALLEY INCLUDING WESTERN FOOTHILLS... .An unseasonably strong upper level trough of low pressure will move through the region through Saturday night. West to northwest winds will continue to increase this afternoon and evening brining widespread elevated to brief critical fire weather conditions across the interior and southern Santa Barbara County. The winds are expected to further increase in coverage and speed Saturday afternoon into evening, when damaging winds will likely become more widespread across the interior. The upper trough will bring a cooling trend to the region on Saturday, but humidity levels are still expected to remain low. The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for strong to damaging wind and low relative humidity, which is in effect from 1 PM Saturday to 5 AM PDT Sunday. * WINDS...Northwest to north 25 to 40 mph with damaging gusts of 50 to 65 mph. * RELATIVE HUMIDITY...Areas of humidity 10 to 25 percent, gradually rising late Saturday night. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior, rapid fire growth, and long range spotting, which could threaten life and property.

INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

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

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