Weather Alert in Michigan
Red Flag Warning issued April 28 at 9:00AM EDT until April 28 at 8:00PM EDT by NWS Gaylord MI
AREAS AFFECTED: Cheboygan; Presque Isle; Otsego; Montmorency; Alpena; Crawford; Oscoda; Alcona; Roscommon; Ogemaw; Iosco; Gladwin; Arenac
DESCRIPTION: ...Critical Fire Weather Conditions Today... .Stronger south winds with frequent gusts combine with a dry airmass today. South winds of 5 to 10 mph with frequent gusts up to 20 mph will become 10 to 15 mph with gusts up to 30 mph by early afternoon today. Humidity values will dip quickly late this morning, becoming 20% to 25% by early afternoon. These conditions will last through the mid and late afternoon hours. Winds continue to strengthen this evening, however moisture will begin to move in from the west. Sunny skies and mixing heights around 4kft will lead to unstable air today. NE lower will likely see the longest critical conditions, possibly lasting into the evening hours. The National Weather Service in Gaylord has issued a Red Flag Warning, which is in effect until 8 PM EDT this evening. * AFFECTED AREA...Fire weather zones 017, 018, 022, 023, 024, 028, 029, 030, 034, 035, 036, 041, and 042. * WIND...South winds of 10 to 15 mph with frequent gusts up to 30 mph. Winds will strengthen this evening. * HUMIDITY...Minimum relative humidity 20% to 25%. The lowest values will be over interior areas. * THUNDERSTORMS...Chances for thunderstorms tonight. * HIGHEST THREAT...Highest threat areas will be interior locations. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
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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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