Weather Alert in Pennsylvania
Flash Flood Warning issued July 16 at 8:03PM EDT until July 16 at 10:15PM EDT by NWS Pittsburgh PA
AREAS AFFECTED: Allegheny, PA; Armstrong, PA; Butler, PA; Westmoreland, PA
DESCRIPTION: FFWPBZ The National Weather Service in Pittsburgh has extended the * Flash Flood Warning for... Northeastern Allegheny County in southwestern Pennsylvania... Northwestern Westmoreland County in southwestern Pennsylvania... Southwestern Armstrong County in west central Pennsylvania... Southeastern Butler County in west central Pennsylvania... * Until 1015 PM EDT. * At 803 PM EDT, Doppler radar indicated thunderstorms producing heavy rain in Bakerstown Road in Richland Township is being closed due to water over the road. Between 1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Ross Township, McCandless Township, Franklin Park, Vandergrift, Apollo, Shaler Township, Plum, Murrysville, Hampton Township, New Kensington, Lower Burrell, Harrison Township, O'hara Township, Wexford, Oakmont, Fox Chapel, Arnold, Tarentum, Natrona Heights and Springdale.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
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Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
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