Weather Alert in Pennsylvania
Flood Watch issued July 16 at 12:03PM EDT until July 16 at 10:00PM EDT by NWS State College PA
AREAS AFFECTED: Elk; Cameron; Northern Clinton; Clearfield; Northern Centre; Southern Centre; Cambria; Blair; Huntingdon; Mifflin; Somerset; Bedford; Fulton; Franklin; Southern Clinton
DESCRIPTION: * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of central Pennsylvania, including the following areas, Bedford, Blair, Cambria, Cameron, Clearfield, Elk, Franklin, Fulton, Huntingdon, Mifflin, Northern Centre, Northern Clinton, Somerset, Southern Centre and Southern Clinton. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Thunderstorms with intense rainfall rates around 2 inches per hour could result in isolated to scattered instances of flash flooding. Rainfall amounts of 2 to 4 inches are possible within a short 1 to 3 hour duration with locally higher amounts up to 5 inches possible. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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