Weather Alert in New York
Flood Warning issued May 10 at 9:44PM EDT until May 11 at 11:00AM EDT by NWS Albany NY
AREAS AFFECTED: Ulster, NY
DESCRIPTION: * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Esopus Creek at Mount Marion. * WHEN...Until late tomorrow morning. * IMPACTS...At 20.0 feet, Flood stage. The Esopus Creek begins to spill over its banks. * ADDITIONAL DETAILS... - At 8:30 PM EDT Saturday the stage was 20.7 feet. - Forecast...The river is expected to fall below flood stage by 8 AM Sunday morning and continue falling to 16.6 feet by Tuesday evening. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood
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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