Weather Alert in Pennsylvania
Heat Advisory issued July 24 at 2:02PM EDT until July 25 at 8:00PM EDT by NWS State College PA
AREAS AFFECTED: Fulton; Franklin; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster
DESCRIPTION: * WHAT...Heat index values up to 104 expected for the Lower Susquehanna Valley. * WHERE...Adams, Cumberland, Dauphin, Franklin, Fulton, Lancaster, Lebanon, Perry, Schuylkill, and York Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
INSTRUCTION: Drink plenty of fluids, stay out of the sun, and stay in an air-conditioned room. Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during hot weather when car interiors can reach lethal temperatures in a matter of minutes. LOOK BEFORE YOU LOCK. In addition to the daytime heat, overnight low temperatures will also be very warm and oppressively muggy.
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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