Weather Alert in Maryland

Recent Locations: Hallowell, ME   Wheeler, WI   Chevy Chase, MD  
Current Alerts for Chevy Chase, MD: Unnamed Alert

Flood Watch issued May 12 at 1:25PM EDT until May 14 at 6:00AM EDT by NWS Baltimore MD/Washington DC

AREAS AFFECTED: Extreme Western Allegany; Central and Eastern Allegany; Eastern Garrett; Frederick; Clarke; Orange; Culpeper; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park; Hampshire; Morgan; Berkeley; Jefferson; Western Mineral; Eastern Mineral

DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of western Maryland, including the following areas, Central and Eastern Allegany, Eastern Garrett and Extreme Western Allegany, Virginia, including the following areas, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, Northern Fauquier, Northwest Prince William, Orange, Southern Fauquier, Spotsylvania, Stafford and Western Loudoun, and West Virginia, including the following areas, Berkeley, Eastern Mineral, Hampshire, Jefferson, Morgan and Western Mineral. * WHEN...From Tuesday morning through late Tuesday night. * IMPACTS...Excessive runoff may result in flooding of creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - While showers will spread into the area today, a prolonged period of moderate to heavy rain with embedded thunderstorms is expected late tonight into Tuesday night. Rainfall amounts of 2 to 4 inches are likely, with locally higher amounts possible along the eastern slopes of the Blue Ridge Mountains and Alleghenies. This rainfall may lead to scattered instances of flooding. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

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 Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Stratus Clouds Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

Next Topic: Wall Clouds

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

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

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