Weather Alert in New York
Extreme Heat Watch issued June 21 at 2:59AM EDT until June 24 at 8:00PM EDT by NWS Albany NY
AREAS AFFECTED: Northern Saratoga; Eastern Schenectady; Southern Saratoga; Eastern Albany; Western Rensselaer; Eastern Greene; Western Columbia; Eastern Columbia; Southeast Warren; Southern Washington
DESCRIPTION: * WHAT...For the Heat Advisory, heat index values between 99 and 103 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 108 degrees possible. * WHERE...Eastern Albany, Eastern Columbia, Eastern Greene, Eastern Schenectady, Northern Saratoga, Southeast Warren, Southern Saratoga, Southern Washington, Western Columbia, and Western Rensselaer Counties. * WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. For the Extreme Heat Watch, from Monday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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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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