Weather Alert in California

Current Alerts for Rancho Palos Verdes, CA: Beach Hazards Statement Heat Advisory

Fire Weather Watch issued August 31 at 1:11PM PDT until September 2 at 8:00PM PDT by NWS Eureka CA

AREAS AFFECTED: Lower Middle Klamath; W Mendocino NF/E Mendocino Unit; Trinity

DESCRIPTION: ...ISOLATED DRY THUNDERSTORMS TUESDAY AFTERNOON AND EARLY EVENING... .Isolated dry thunderstorms are expected over the interior high terrain Tuesday afternoon and into early evening. Threats include erratic gusty winds and lightning. Lightning on dry fuels may lead to new fire starts. In addition, gusty winds combined with hot temperatures and low relative humidity will produce critical fire weather conditions. Existing fires and any new fire will have the potential to spread rapidly. The National Weather Service in Eureka has issued a Fire Weather Watch, which is in effect from Tuesday afternoon through Tuesday evening. * AFFECTED AREA...Fire weather zone 204.Fire weather zone 277.Fire weather zone 283. * THUNDERSTORMS...Isolated dry storms over high terrain in the afternoon and early evening hours. * OUTFLOW WINDS...Gusty and erratic outflow winds over 35 mph. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

INSTRUCTION: A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

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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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