Weather Alert in California
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 Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
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