Weather Alert in Pennsylvania

Recent Locations: Waycross, GA   Port Allegany, PA  
Current Alerts for Port Allegany, PA: Winter Weather Advisory

Special Weather Statement issued February 24 at 1:57AM EST by NWS Pittsburgh PA

AREAS AFFECTED: Westmoreland Ridges; Fayette Ridges; Higher Elevations of Indiana; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker

DESCRIPTION: Upslope snow showers may continue at least on a scattered basis through the early morning hours. Falling snow and wind gusts to 25 MPH may combine to create visibility below one mile at times. Additional accumulation of an inch or so is possible, with up to 2 inches possible on west-facing slopes. Roads, especially untreated ones, may remain slick. If you are traveling across this region, slow down. Increase the distance between your vehicle and those that surround yours.

INSTRUCTION: N/A

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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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