Weather Alert in Massachusetts
Coastal Flood Statement issued August 22 at 2:21AM EDT until August 23 at 2:00AM EDT by NWS Boston/Norton MA
AREAS AFFECTED: Eastern Essex; Eastern Plymouth
DESCRIPTION: * WHAT...Large breaking waves of 10 to 15 feet on ocean beaches. Some splashover on vulnerable coastal roads around high tide tonight through Friday night. * WHERE...Eastern Essex MA and Eastern Plymouth MA Counties. * WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. For the Coastal Flood Statement, through late tonight. * IMPACTS...Roads remain passable. Shallow pockets of flooding less than one foot deep affect more vulnerable coastal roads along the North Shore from Salem and Gloucester to Newburyport. Rough surf will likely cause some splashover onto coastal roads around the time of high tide. Dangerous swimming and surfing conditions and localized beach erosion.
INSTRUCTION: Do not drive through flooded roadways. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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