Weather Alert in Tennessee
Flood Advisory issued September 4 at 4:27PM EDT until September 4 at 7:30PM EDT by NWS Morristown TN
AREAS AFFECTED: Blount, TN; Knox, TN; Loudon, TN; Roane, TN
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of east Tennessee, including the following counties, Blount, Knox, Loudon and Roane. * WHEN...Until 730 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 425 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Between 1 and 2 inches of rain have fallen over the last hour, especially in the Kingston, Harriman, and Rockwood areas, as well as southern parts of the Knoxville metro area. An additional 1 to 2 inches of rain are possible over the next couple of hours. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Knoxville, Oak Ridge, Maryville, Lenoir City, Alcoa, Kingston, Rockwood, Farragut, Louisville, Rockford, Midtown, Eagleton Village, Harriman, Bradbury and Wildwood. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - 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
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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