Weather Alert in Maryland

Recent Locations: Gaithersburg, MD  

Flood Watch issued May 21 at 3:20AM EDT until May 22 at 5:00AM EDT by NWS Baltimore MD/Washington DC

AREAS AFFECTED: Extreme Western Allegany; Central and Eastern Allegany; Western Garrett; Eastern Garrett; Western Grant; 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, Extreme Western Allegany and Western Garrett and eastern West Virginia, including the following areas, Eastern Mineral, Western Grant and Western Mineral. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - There is increased potential for flooding given saturated soils from last week's major flooding event. The heaviest rains will likely fall during Wednesday afternoon and evening. Total amounts of 2 to 3 inches are possible, with locally up to 4 inches if the worst case scenario unfolds. - Please visit 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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