Weather Alert in Michigan

Recent Locations: Martinsville, MO   Foristell, MO   Sidney, MI  
Current Alerts for Sidney, MI: High Wind Watch

Winter Storm Watch issued March 11 at 2:31PM EDT until March 13 at 8:00PM EDT by NWS Gaylord MI

AREAS AFFECTED: Emmet; Cheboygan; Mackinac Island/Bois Blanc Island; Beaver Island and surrounding islands

DESCRIPTION: ...ANOTHER SNOWY SYSTEM THURSDAY NIGHT INTO FRIDAY... .Another quick-hitting system will bring several inches of snowfall to the region Thursday night into Friday. Current expectations will focus highest totals across the eastern UP and perhaps as far south as the Tip of the Mitt region. Strong winds will accompany this system as well, resulting in hazardous travel conditions, particularly for the Friday morning commute. * WHAT...For the Winter Weather Advisory, mixed precipitation. Additional snow accumulations up to two inches and ice accumulations around a light glaze. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 5 and 8 inches possible. Winds could gust as high as 40 mph. * WHERE...Mackinac Island/Bois Blanc Island and Beaver Island and surrounding islands, and Cheboygan and Emmet Counties. * WHEN...For the Winter Weather Advisory, until 8 PM EDT this evening. For the Winter Storm Watch, from Thursday evening through Friday evening. * IMPACTS...Whiteout to near-blizzard conditions are possible Thursday night into Friday and may make travel treacherous and potentially life-threatening. Travel could be very difficult.

INSTRUCTION: Monitor the latest forecasts for updates on this situation. Slow down and use caution while traveling. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

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Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Contrails Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

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