Weather Alert in Pennsylvania
Winter Storm Warning issued February 22 at 1:40PM EST until February 23 at 7:00PM EST by NWS Binghamton NY
AREAS AFFECTED: Lackawanna; Luzerne
DESCRIPTION: * WHAT...Heavy snow expected. Total snow accumulations between 6 and 14 inches. Winds gusting as high as 45 mph. * WHERE...Lackawanna and Luzerne Counties. * WHEN...Until 7 PM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Areas of blowing snow could significantly reduce visibility down to below one quarter mile. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Gusty north-northwest winds increase overnight and persist into Monday morning, which will cause near whiteout conditions to blowing and drifting snow, especially at higher elevations. Winds gusting as high as 45 mph through the day on Monday.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The Pennsylvania Department of Transportation and Pennsylvania Turnpike Commission strongly encourage motorist to heed all travel restrictions and delay unnecessary travel. Visit www.511pa.com for the latest travel, roadways, and traffic conditions. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.
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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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