Weather Alert in Maryland
Flood Watch issued July 16 at 12:06PM EDT until July 17 at 12:00AM EDT by NWS Baltimore MD/Washington DC
AREAS AFFECTED: Washington; Extreme Western Allegany; Central and Eastern Allegany; Western Garrett; Eastern Garrett; Augusta; Rockingham; Shenandoah; Frederick; Page; Warren; Clarke; Western Highland; Eastern Highland; Northern Virginia Blue Ridge; Central Virginia Blue Ridge; Hampshire; Morgan; Berkeley; Jefferson; Hardy; Western Grant; Eastern Grant; Western Mineral; Eastern Mineral; Western Pendleton; Eastern Pendleton
DESCRIPTION: * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Maryland, including the following areas, Central and Eastern Allegany, Eastern Garrett, Extreme Western Allegany, Washington and Western Garrett, Virginia, including the following areas, Augusta, Central Virginia Blue Ridge, Clarke, Eastern Highland, Frederick VA, Northern Virginia Blue Ridge, Page, Rockingham, Shenandoah, Warren and Western Highland, and West Virginia, including the following areas, Berkeley, Eastern Grant, Eastern Mineral, Eastern Pendleton, Hampshire, Hardy, Jefferson, Morgan, Western Grant, Western Mineral and Western Pendleton. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers and thunderstorms will form and move across the area this afternoon into this evening. Storms will be capable of producing very heavy rainfall, with 1 to 3 inches possible in an hour where stationary cells or multiple rounds occur. Widespread rainfall totals near an inch are expected, with localized maxes of 2-5 inches. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information
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 Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
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
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