Weather Alert in Pennsylvania

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Winter Storm Warning issued February 22 at 9:10PM EST until February 23 at 7:00PM EST by NWS Binghamton NY

AREAS AFFECTED: Lackawanna; Luzerne

DESCRIPTION: * WHAT...Heavy snow. Additional snow accumulations between 3 and 7 inches, except locally up to 10 inches in the higher elevations of the eastern portion of these counties. 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. Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds could bring down tree branches. * 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 are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Evaporation Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

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