Weather Alert in Tennessee

Severe Thunderstorm Warning issued September 4 at 2:56PM EDT until September 4 at 3:45PM EDT by NWS Morristown TN

AREAS AFFECTED: Blount, TN; Knox, TN

DESCRIPTION: SVRMRX The National Weather Service in Morristown has issued a * Severe Thunderstorm Warning for... Southwestern Knox County in east Tennessee... North central Blount County in east Tennessee... * Until 345 PM EDT. * At 256 PM EDT, a severe thunderstorm was located near Farragut, or 9 miles northwest of Alcoa, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Knoxville, Alcoa, Farragut, Rockford, Lake Forest, and Bearden. This includes Interstate 40 in Tennessee between mile markers 375 and 387.

INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.

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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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