Weather Alert in California

Severe Thunderstorm Warning issued August 25 at 3:12PM PDT until August 25 at 4:00PM PDT by NWS Phoenix AZ

AREAS AFFECTED: Imperial, CA

DESCRIPTION: SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... Northwestern Imperial County in southeastern California... * Until 400 PM PDT. * At 312 PM PDT, a severe thunderstorm was located 12 miles west of Westmorland, or 15 miles southeast of Salton City, moving northwest at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Salton City and Winona. This includes the following highways... CA Route 78 between mile markers 1 and 13. CA Route 86 between mile markers 33 and 58.

INSTRUCTION: For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.

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Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

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

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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