Weather Alert in New York
Dense Fog Advisory issued February 17 at 6:41AM EST until February 18 at 7:00AM EST by NWS Buffalo NY
AREAS AFFECTED: Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Oswego; Jefferson; Lewis; Genesee; Wyoming; Livingston; Ontario; Chautauqua; Cattaraugus; Allegany
DESCRIPTION: * WHAT...Visibility as low as one quarter mile at times in dense fog. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Jefferson, Lewis, Genesee, Wyoming, Livingston, Ontario, Chautauqua, Cattaraugus, and Allegany Counties. Greatest duration of dense fog expected across hill tops, and near the eastern Great Lake shorelines. * WHEN...Until 7 AM EST Wednesday. Visibilities may improve slightly this afternoon and evening before lowering again tonight. * IMPACTS...Hazardous driving conditions due to low visibility.
INSTRUCTION: If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
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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
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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