Weather Alert in Virginia
Extreme Heat Watch issued June 23 at 2:16AM EDT until June 25 at 8:00PM EDT by NWS Wakefield VA
AREAS AFFECTED: Fluvanna; Prince Edward; Cumberland; Mecklenburg; Lunenburg; Nottoway; Western Louisa
DESCRIPTION: * WHAT...For the Heat Advisory, heat index values of 105 to 109 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values of 110 or greater possible. * WHERE...Cumberland, Fluvanna, Prince Edward, Western Louisa, Lunenburg, Mecklenburg, and Nottoway Counties. * WHEN...For the Heat Advisory, from 10 AM this morning to 10 AM EDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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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
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - 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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