Weather Alert in New York
Severe Thunderstorm Warning issued August 24 at 5:16PM EDT until August 24 at 6:00PM EDT by NWS Burlington VT
AREAS AFFECTED: Franklin, NY; St. Lawrence, NY
DESCRIPTION: SVRBTV The National Weather Service in Burlington has issued a * Severe Thunderstorm Warning for... Northwestern Franklin County in northern New York... Northeastern St. Lawrence County in northern New York... * Until 600 PM EDT. * At 516 PM EDT, a severe thunderstorm was located over West Parishville, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is possible. Expect wind damage to trees and powerlines. * Locations impacted include... Massena International Airport - Richards Field, Potsdam Village, Norwood, Massena Village, Brasher, Massena, Parishville, Lawrence, Moira, Stockholm, Norfolk, Potsdam, Bombay, Pierrepont, Hopkinton, North Stockholm, South Bombay, West Parishville, Brasher Center, and St. Lawrence State Park.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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
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