Weather Alert in Massachusetts

Recent Locations: Oceanside, CA   Oxnard, CA   Worcester, MA  

Extreme Cold Watch issued February 5 at 1:04AM EST until February 8 at 12:00PM EST by NWS Boston/Norton MA

AREAS AFFECTED: Western Franklin; Western Hampshire; Western Hampden

DESCRIPTION: * WHAT...Dangerously cold temperatures as low as 31 below possible. * WHERE...Western Franklin, Western Hampshire and Western Hampden Counties. * WHEN...From Saturday evening through Sunday morning. * IMPACTS...Frostbite and hypothermia are likely if exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.

INSTRUCTION: Wear protective clothing such as a hat, facemask and heavy gloves or mittens if you have plans to be outdoors. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in- ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing.

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Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

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

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

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