Weather Alert in Michigan
Flash Flood Warning issued July 16 at 3:04PM EDT until July 16 at 5:15PM EDT by NWS Detroit/Pontiac MI
AREAS AFFECTED: Macomb, MI; Oakland, MI
DESCRIPTION: At 304 PM EDT, the public reported flooding in Oakland Township from thunderstorms producing heavy rain over the past several hours. Between 2 and 4 inches of rain have fallen. Storms have moved out of the area, but additional rainfall amounts up to 0.5 inches remain possible in the warned area over the next hour. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Public reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Romeo, Rochester, Rochester Hills, Auburn Hills, Lake Orion, Washington, Leonard, Stoney Creek Metro Park and Lakeville.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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