Weather Alert in South Carolina
Flood Warning issued June 21 at 9:11AM EDT until June 22 at 8:00AM EDT by NWS Charleston SC
AREAS AFFECTED: Berkeley, SC; Georgetown, SC; Williamsburg, SC
DESCRIPTION: * WHAT...Minor flooding is occurring. * WHERE...Santee River near Jamestown. * WHEN...Until Sunday morning. * IMPACTS...At 10.0 feet, water covers numerous logging roads and inundates timber land adjacent to the river. Most access points to Wee Tee State Forest are cut off. * ADDITIONAL DETAILS... - At 830 AM EDT Saturday, the stage was 10.5 feet. - Forecast...The river is expected to fall below flood stage this evening and continue falling to 7.4 feet Tuesday morning, then remain steady through Thursday morning. - Flood stage is 10.0 feet.
INSTRUCTION: N/A
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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.
Next Topic: Sleet
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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