Weather Alert in Michigan

Recent Locations: Port Royal, PA   Peever, SD   Allegan, MI  
Current Alerts for Allegan, MI: Wind Advisory

Winter Weather Advisory issued March 15 at 3:13AM EDT until March 15 at 11:00AM EDT by NWS Detroit/Pontiac MI

AREAS AFFECTED: Midland; Bay; Huron; Saginaw; Tuscola; Sanilac

DESCRIPTION: * WHAT...Mixed precipitation. Total snow accumulations between 1 and 3 inches with isolated totals up to 4 inches. Ice accumulations around a light glaze possible. Winds gusting as high as 35 mph. * WHERE...The Tri-Cities and northern Thumb along and north of the M-46 corridor. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Untreated roads, especially bridges and overpasses, will likely become slick and hazardous with temperatures at freezing to a degree or two below.

INSTRUCTION: Slow down and use caution while traveling. You can obtain the latest road conditions from the MDOT Michigan Drive Map.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

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

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