Weather Alert in Maine
Winter Storm Warning issued February 22 at 3:46PM EST until February 23 at 10:00PM EST by NWS Gray ME
AREAS AFFECTED: Central Interior Cumberland; Androscoggin; Kennebec; Interior Waldo
DESCRIPTION: * WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. Winds gusting as high as 40 mph. * WHERE...Central Interior Cumberland, Interior Waldo, Kennebec, and Androscoggin Counties. * WHEN...From 7 AM to 10 PM EST Monday. * IMPACTS...A snowstorm will bring plowable snow to the region with a period of moderate travel impacts expected. Periods of moderate snow and low visibility will be the biggest hazards. While snow may begin by the end of the Monday morning commute...the Monday evening commute will have the greatest impacts. Strong gusty winds are expected with the snowstorm. The winds will combine with the dry snow to create dangerous blowing and drifting of snow. Gusty winds will blow around unsecured objects and break some tree limbs. The power outage threat is limited.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by going to newengland511.org Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
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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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