Weather Alert in North Carolina
Flood Watch issued May 12 at 3:14PM EDT until May 13 at 8:00AM EDT by NWS Greenville-Spartanburg SC
AREAS AFFECTED: Avery; Alexander; Yancey; Mitchell; Southern Jackson; Transylvania; Henderson; Caldwell Mountains; Greater Caldwell; Burke Mountains; Greater Burke; McDowell Mountains; Eastern McDowell; Rutherford Mountains; Greater Rutherford; Polk Mountains; Eastern Polk; Pickens Mountains; Greenville Mountains
DESCRIPTION: * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of North Carolina, including the following counties, Alexander, Avery, Burke, Caldwell, McDowell, Polk, Rutherford, Henderson, Mitchell, Transylvania, and Yancey, plus the southern portion of Jackson County. Also, a portion of upstate South Carolina, namely the mountainous parts of Greenville and Pickens Counties. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A slow-moving storm system is expected to bring multiple rounds of showers and storms through tonight. Runoff from the moderate to heavy rainfall will likely cause flooding. Additional rainfall of 2 to 3 inches is expected in the higher elevations along east- and south-facing ridges within the watch area, with locally higher additional amounts up to 4 inches. Lower elevation areas will see another 1 to 2 inches. This will not be anywhere near the magnitude of flooding that occurred during Helene. - http://www.weather.gov/safety/flood
INSTRUCTION: A Flood Watch for flash flooding means there is a potential for rapid onset flooding based on current forecasts. Flash flooding is a very dangerous situation and may impact areas that do not typically flood. Please monitor the latest forecasts and be prepared to take action quickly should Flash Flood Warnings be issued. Rainfall of more than five inches in similar storms has been associated with an increased risk of landslides and rockslides. If you live on a mountainside or in a cove at the base of a mountain, especially near a stream, be ready to leave in advance of the storm or as quickly as possible should rising water, moving earth, or rocks threaten. Consider postponing travel along mountain roads during periods of heavy rainfall.
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
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Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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