Weather Alert in New York
Severe Thunderstorm Warning issued September 4 at 1:32PM EDT until September 4 at 2:30PM EDT by NWS Buffalo NY
AREAS AFFECTED: Oswego, NY
DESCRIPTION: SVRBUF The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Oswego County in central New York... * Until 230 PM EDT. * At 132 PM EDT, a severe thunderstorm was located over Fulton, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Oswego, Fulton, Sandy Island Beach State Park, Pulaski, Central Square, Selkirk Shores State Park, Mexico Point State Park, Nine Mile Point, Battle Island State Park, and Brewerton. This includes Interstate 81 between exits 32 and 37.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.
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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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