Weather Alert in Maine
Blizzard Warning issued February 23 at 12:50AM EST until February 23 at 10:00PM EST by NWS Gray ME
AREAS AFFECTED: Coastal York; Coastal Cumberland; Sagadahoc; Lincoln; Knox; Coastal Waldo
DESCRIPTION: * WHAT...Blizzard conditions expected. Total snow accumulations between 5 and 8 inches. Winds gusting as high as 50 mph. * WHERE...Portions of south central and southwest Maine. * WHEN...From 7 AM this morning to 10 PM EST this evening. * IMPACTS...Whiteout conditions are expected with visibilities below 1/4 mile due to falling and blowing snow. The greatest potential for blizzard conditions will exist late this morning through afternoon. The hazardous conditions will arrive during the morning commute and will continue through the evening commute. Strong winds will down tree limbs and blow around unsecured objects. A Few trees and power lines could be downed. The power outage threat is elevated.
INSTRUCTION: Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. 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 Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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