Weather Alert in California

Recent Locations: San Luis Rey, CA   San Andreas, CA   Maricopa, CA  

Flood Warning issued August 25 at 6:54PM PDT until August 26 at 7:00AM PDT by NWS Phoenix AZ

AREAS AFFECTED: Imperial, CA

DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast California, including the following county, Imperial. * WHEN...Until 700 AM PDT Tuesday. * IMPACTS...Low-water crossings are inundated with water and may not be passable. Local law enforcement have reported water rescues. * ADDITIONAL DETAILS... - At 653 PM PDT, local law enforcement reported substantial flooding with multiple flooded roadways and water rescues across the Imperial Valley. Flooding is already occurring. Between 1 and 2 inches of rain have fallen. - Some locations that will experience flooding include... El Centro, Brawley, Imperial, Holtville, Westmorland, El Centro Naval Airfield, Alamorio, Seeley and Dixieland. - This includes the following highways... CA Route 78 between mile markers 11 and 20. CA Interstate 8 between mile markers 24 and 33. CA Route 111 between mile markers 10 and 19. CA Route 86 between mile markers 10 and 19. - http://www.weather.gov/safety/flood

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

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Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Cirrostratus Clouds Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

Next Topic: Cirrus Clouds

Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

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