Weather Alert in Pennsylvania
Flood Watch issued February 19 at 11:02AM EST until February 20 at 1:00PM EST by NWS State College PA
AREAS AFFECTED: Cambria; Blair; Huntingdon; Somerset; Bedford; Fulton
DESCRIPTION: * WHAT...Flooding caused by ice jams is possible. * WHERE...A portion of central Pennsylvania, including the following counties, Bedford, Blair, Cambria, Fulton, Huntingdon and Somerset. * WHEN...Through Friday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Significant ice breakup on area rivers and creeks has been observed over the last few days as a result of an extended stretch of mild temperatures. Multiple rounds of heavy rain and embedded thunderstorms this afternoon and overnight could produce 1-1.5" of rain in the watch area. This heavy rainfall combined with snowmelt will produce increased streamflows and an elevated risk of ice jam flooding. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
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