Weather Alert in Michigan
Winter Storm Warning issued April 2 at 1:04AM EDT until April 3 at 8:00AM EDT by NWS Marquette MI
AREAS AFFECTED: Keweenaw; Ontonagon; Houghton; Southern Houghton
DESCRIPTION: * WHAT...For the Winter Storm Warning, heavy mixed precipitation expected. Total snow and sleet accumulations between 2 and 6 inches and ice accumulations around two tenths of an inch in the areas south of Houghton along and south of M-26. Winds gusting as high as 40 mph. For the Winter Storm Watch, heavy mixed precipitation possible. Total snow and sleet accumulations up to two inches and ice accumulations between one tenth and four tenths of an inch possible. Winds could gust as high as 35 mph. * WHERE...Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...For the Winter Storm Warning, from 10 AM this morning to 8 AM EDT Friday. For the Winter Storm Watch, from Friday evening through Saturday morning. * IMPACTS...Power outages and tree damage are likely due to the ice and wind. Travel could be very difficult to nearly impossible. The hazardous conditions will impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...Accumulating sleet will be difficult to remove.
INSTRUCTION: Monitor the latest forecasts for updates on this situation. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages.
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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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