Weather Alert in Pennsylvania

Recent Locations: Hayward, CA   Pasadena, CA   Erie, PA  
Current Alerts for Erie, PA: Extreme Cold Warning Winter Weather Advisory

Winter Weather Advisory issued February 5 at 12:41PM EST until February 7 at 7:00AM EST by NWS State College PA

AREAS AFFECTED: Cambria; Somerset

DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Localized amounts up to 8 inches in the highest elevations. Winds gusting as high as 45 to 50 mph. * WHERE...Cambria and Somerset Counties. * WHEN...From 10 AM Friday to 7 AM EST Saturday. The heaviest snow is expected Friday afternoon through Friday night. * IMPACTS...Plan on slippery road conditions. The hazardous travel conditions could impact the Friday evening commute. Gusty winds could bring down tree branches and cause significant blowing and drifting snow. * ADDITIONAL DETAILS...Near-blizzard conditions with very low visibility are possible at times late Friday night into early Saturday morning and could make travel extremely difficult. The heaviest snowfall is expected along and to the west of Route 219.

INSTRUCTION: Persons should delay travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Make sure your vehicle is winterized and in good working order.

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Weather Topic: What are Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Stratus Clouds Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

Next Topic: Wall Clouds

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Altocumulus Clouds Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds

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