Weather Alert in Pennsylvania

Recent Locations: Jacksonville, FL   Tampa, FL   Erie, PA  
Current Alerts for Erie, PA: Extreme Cold Watch

Winter Storm Watch issued February 5 at 2:15AM EST until February 7 at 7:00AM EST by NWS State College PA

AREAS AFFECTED: Cambria; Somerset

DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations between 2 and 5 inches with 6 inches or more possible on the ridges. Winds could gust as high as 45 mph. * WHERE...Cambria and Somerset Counties. * WHEN...From Friday morning through Saturday morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute. Gusty winds could bring down tree branches and cause blowing and drifting snow. * ADDITIONAL DETAILS...The wind chills will be close to 20 below zero Friday night and Saturday morning.

INSTRUCTION: 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 Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

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