Weather Alert in Pennsylvania
Flood Warning issued May 14 at 4:04AM EDT until May 14 at 9:23PM EDT by NWS Pittsburgh PA
AREAS AFFECTED: Fayette, PA
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Pennsylvania... Youghiogheny River At Connellsville affecting Fayette County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Youghiogheny River at Connellsville. * WHEN...From early this morning to late this evening. * IMPACTS...At 12.0 feet, Flooding begins in the vicinity of Yough Park. At 14.0 feet, Several inches of water floods basements of about 30 homes along left bank. River is bankfull along the left bank just downstream from the Crawford Street Bridge. Water reaches the level of the Hurricane Ivan flood of September 18, 2004. At 14.1 feet, Water reaches level of March 3, 2015. * ADDITIONAL DETAILS... - At 3:15 AM EDT Wednesday the stage was 12.7 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:15 AM EDT Wednesday was 12.7 feet. - Forecast...The river will fall below flood stage by late this afternoon and continue falling to 5.7 feet by early Friday afternoon. It will then rise to 6.2 feet early Saturday morning. It will fall again and remain below flood stage. - Flood stage is 12.0 feet. - Flood History...This crest compares to a previous crest of 11.6 feet on 02/08/2019. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at weather.gov/pbz.
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Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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