Weather Alert in Massachusetts
Blizzard Warning issued February 21 at 12:29PM EST until February 24 at 7:00AM EST by NWS Boston/Norton MA
AREAS AFFECTED: Eastern Essex; Western Norfolk; Southeast Middlesex; Suffolk; Eastern Norfolk; Northern Bristol; Western Plymouth; Eastern Plymouth; Southern Bristol; Southern Plymouth; Barnstable; Dukes; Northwest Providence; Southeast Providence; Western Kent; Eastern Kent; Bristol; Washington; Newport; Block Island
DESCRIPTION: * WHAT...Blizzard conditions expected. Total snow accumulations between 1 and 2 feet. Winds gusting as high as 60 mph. * WHERE...Portions of eastern, northeastern, and southeastern Massachusetts and northern and southern Rhode Island. This includes Boston to Providence corridor. * WHEN...From 4 PM Sunday to 7 AM EST Tuesday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause power outages. Whiteout conditions are expected and will make travel treacherous and potentially life-threatening. Travel could be very difficult to impossible. The hazardous conditions will impact the Monday morning and evening commutes. Strong winds could cause tree damage.
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.
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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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