Weather Alert in Michigan
Winter Weather Advisory issued February 22 at 2:22PM EST until February 23 at 11:00AM EST by NWS Gaylord MI
AREAS AFFECTED: Presque Isle; Leelanau; Alpena; Benzie; Grand Traverse; Alcona; Manistee
DESCRIPTION: * WHAT...Snow. Additional snow accumulations up to 3 inches, locally as high as 4-5 inches. North winds gusting as high as 35 mph. * WHERE...Parts of northern Lower Michigan near the Lake Michigan and Lake Huron coasts. * WHEN...Until 11 AM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, could become snow-covered and hazardous, particularly with falling and blowing snow. Prepare for reduced visibilities and slick road conditions. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...North to north-northwest winds will have the greatest impacts on roads oriented largely east-to-west, including the US-23 corridor between Cheboygan and Alpena.
INSTRUCTION: Slow down and use caution while traveling. Plan to leave extra travel time for the Monday morning commute.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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