Weather Alert in Maine
Flood Advisory issued March 18 at 12:27AM EDT until March 18 at 12:30PM EDT by NWS Caribou ME
AREAS AFFECTED: Aroostook, ME
DESCRIPTION: * WHAT...Meduxnekeag River flooding caused by an ice jam is expected near low lying areas of Porter Settlement Road. * WHERE...A portion of Northern Maine, including the following county, Aroostook. * WHEN...Until 1230 PM EDT Wednesday. * IMPACTS...Minor flooding in low-lying areas along the river near Porter Settlement Road. * ADDITIONAL DETAILS... - At 1223 AM EDT, gauge reports indicated an ice jam. Minor flooding is already occurring near the advisory area. - For flood safety visit www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Water levels can rise and fall quickly in the vicinity of ice jams. Those with interests along rivers and tributary streams should be alert for rapidly fluctuating water levels in the vicinity of ice jams. Never drive through flooded roads or around closed road barricades. The barricades are there for your safety due to the potential for ice jam releases or continued flooding.
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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