Weather Alert in Pennsylvania
Severe Thunderstorm Warning issued March 31 at 8:57PM EDT until March 31 at 10:15PM EDT by NWS Pittsburgh PA
AREAS AFFECTED: Armstrong, PA; Butler, PA; Clarion, PA; Forest, PA; Jefferson, PA; Mercer, PA; Venango, PA
DESCRIPTION: SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Forest County in northwestern Pennsylvania... Southeastern Mercer County in northwestern Pennsylvania... Venango County in northwestern Pennsylvania... Northern Armstrong County in west central Pennsylvania... Northeastern Butler County in west central Pennsylvania... Clarion County in west central Pennsylvania... Jefferson PA County in west central Pennsylvania... * Until 1015 PM EDT. * At 857 PM EDT, severe thunderstorms were located along a line from 15 miles north of Oil City to over Grove City, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Oil City, Grove City, Franklin, Clarion, Brookville, Marienville, Knox, Sugarcreek, Reynoldsville, Brockway, Tionesta, Hasson Heights, Sykesville, Falls Creek, Seneca, Harrisville, Parker, Polk, Sligo and Emlenton.
INSTRUCTION: Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds.
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Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - 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
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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