Weather Alert in Michigan
Severe Thunderstorm Warning issued August 23 at 8:17PM EDT until August 23 at 8:45PM EDT by NWS Detroit/Pontiac MI
AREAS AFFECTED: Macomb, MI; St. Clair, MI
DESCRIPTION: At 816 PM EDT, severe thunderstorms were located along a line extending from near Lakeport to 6 miles east of Emmett to near Armada, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Richmond, Lakeport, and Memphis around 820 PM EDT. Port Huron around 825 PM EDT. Marysville around 830 PM EDT. Other locations impacted by these severe thunderstorms include North Street, Adair, Rattle Run, Goodells, Smiths Creek, Wadhams, Riley Center, Fort Gratiot, Avoca, and Blaine.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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