Weather Alert in Maine
Coastal Flood Statement issued August 21 at 1:59PM EDT until August 23 at 12:00AM EDT by NWS Caribou ME
AREAS AFFECTED: Coastal Hancock; Coastal Washington
DESCRIPTION: * WHAT....Waves building to 7 to 10 feet, with a wave period of 13 to 17 seconds. Minor splashover is possible at high tide Friday night. * WHERE...Coastal Hancock and Coastal Washington Counties. * WHEN...For the High Surf Advisory, from 6 PM this evening to 2 PM EDT Saturday. For the Coastal Flood Statement, Friday evening at high tide. SHORELINE FLOOD IMPACTS...Building waves will cause minor splash-over on exposed coastal roads and shorelines. Pedestrians and motorists should use caution along shorelines.Large waves can present a danger to people on rocks above the water. Stay away from rock outcrops along the shoreline exposed to ocean waves...as waves can easily sweep people into the cold ocean water. * IMPACTS...Rip currents and sneaker waves will lead to dangerous beach conditions. Some minor beach erosion is possible. Minor splashover possible during high tide Friday Evening. Large waves can present a danger to people on rocks above the water. Stay away from rock outcrops along the shoreline exposed to ocean waves...as waves can easily sweep people into the cold ocean water.
INSTRUCTION: A High Surf Advisory Means That High Surf Will Affect Beaches In The Advisory area...producing rip currents and localized beach erosion.
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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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