Weather Alert in North Carolina
Flood Warning issued August 11 at 10:49PM EDT until August 13 at 1:21PM EDT by NWS Raleigh NC
AREAS AFFECTED: Johnston, NC
DESCRIPTION: ...The National Weather Service in Raleigh NC has issued a Flood Warning for the following rivers in North Carolina... Neuse River Near Clayton affecting Johnston County. * WHAT...Minor flooding is forecast. * WHERE...Neuse River near Clayton. * WHEN...From late tonight to early Wednesday afternoon. * IMPACTS...At 9.0 feet, Minor flooding begins. Minor overflow occurs on both banks. Water reaches the edge of the Neuse River Greenway trail. At 10.0 feet, Upstream of the gage site, the Neuse River Greenway at Covered Bridge Road begins to flood. * ADDITIONAL DETAILS... - At 10:15 PM EDT Monday the stage was 7.5 feet. - Forecast...The river is expected to rise above flood stage late tonight to a crest of 10.1 feet early tomorrow afternoon. It will then fall below flood stage early Wednesday morning. - Flood stage is 9.0 feet. - water.noaa.gov/gauges/CLYN7
INSTRUCTION: Caution is urged when walking near riverbanks. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov/rah/rivers. The next statement will be issued Tuesday afternoon.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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