Weather Alert in Tennessee

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Severe Thunderstorm Warning issued September 4 at 11:29AM EDT until September 4 at 12:15PM EDT by NWS Morristown TN

AREAS AFFECTED: Hancock, TN; Hawkins, TN; Sullivan, TN; Lee, VA; Scott, VA; Wise, VA

DESCRIPTION: SVRMRX The National Weather Service in Morristown has issued a * Severe Thunderstorm Warning for... Western Sullivan County in east Tennessee... Northern Hawkins County in east Tennessee... Northeastern Hancock County in east Tennessee... Southeastern Lee County in southwestern Virginia... Scott County in southwestern Virginia... Southwestern Wise County in southwestern Virginia... * Until 1215 PM EDT. * At 1128 AM EDT, a severe thunderstorm was located near Jonesville, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Kingsport, Rogersville, Gate City, Jonesville, Big Stone Gap, Surgoinsville, Pennington Gap, Weber City, Colonial Heights, and Church Hill. This includes the following highways... Interstate 26 in Tennessee between mile markers 1 and 9. Interstate 81 in Tennessee between mile markers 54 and 57.

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

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Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

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