Weather Alert in North Carolina
Flood Advisory issued August 12 at 4:01PM EDT until August 12 at 9:45PM EDT by NWS Greenville-Spartanburg SC
AREAS AFFECTED: Union, NC
DESCRIPTION: * WHAT...Nuisance flooding caused by excessive rainfall is developing. * WHERE...A portion of central Union County, North Carolina * WHEN...Until 945 PM EDT Tuesday. * IMPACTS...Nuisance flooding of low-lying areas adjacent to streams and other poor-drainage areas, including farmland, parks, greenways, boat-access areas, golf courses, underpasses, and parking lots. Isolated, shallow flows over roadways is possible. A few flood-prone, low-water crossings may become impassible. A small culvert washout or two is possible. * ADDITIONAL DETAILS... - At 343 PM EDT, The NCEM streamgauge on Bearskin Creek at N Charlotte Ave in Monroe has exceeded the Action Stage of 8.0 feet, indicating nuisance flooding is developing in isolated areas adjacent to the creek, especially in Dickerson Park along the greenway. This is response to earlier moderate rainfall in the headwaters of the Bearskin Creek watershed near Monroe Regional Airport, where isolated 1-1.25" accumulations occurred between 11AM and noon. Bearskin Creek is currently at 8.16' and rising. Expect Bearskin Creek to crest between 8.5 and 9.0 feet within the next 1-2 hours. A crest slightly above 9.0 feet is possible. At 9.0 feet, Bearskin Creek Greenway flooding is expanding from Dickerson Park downstream to Belk Tonowonda Park near IB Shive Dr. Floodwaters are beginning to impact the greenway and the baseball field at Don Griffin Park near Meadow St. - Saturated soils and ongoing runoff from multiple days of rainfall are making area streams extremely sensitive to enhanced runoff. Areas of nuisance flooding adjacent to small streams are possible for rainfall accumulations that are typically too low to cause significant rises. Maintain awareness when adjacent to streams, including along greenways and in parks, whenever rainfall is occurring, and be aware of rapidly rising streams. - Some locations that may experience nuisance flooding include... Monroe. - Http://www.weather.gov/safety/flood
INSTRUCTION: Keep children away from storm drains, culverts, creeks and streams. Water levels can rise rapidly and sweep children away. Stay away or be swept away. River banks and culverts can become unstable and unsafe.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
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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.
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Weather Topic: What is Rain?
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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.
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