Weather Alert in Michigan
Flood Watch issued April 4 at 11:34AM EDT until April 8 at 4:01AM EDT by NWS Grand Rapids MI
AREAS AFFECTED: Ionia
DESCRIPTION: ...The National Weather Service in Grand Rapids MI has issued a Flood Watch for the following rivers in Michigan... Grand River at Ionia affecting Ionia County. Grand River at Ada affecting Kent County. Grand River at Grand Rapids affecting Kent County. ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Michigan... Grand River at Robinson Township affecting Ottawa County. ...The Flood Watch is replaced by a River Flood Warning for the following rivers in Michigan... Muskegon River at Bridgeton affecting Newaygo County. * WHAT...Flooding is possible. * WHERE...Grand River at Ionia. * WHEN...From Monday afternoon to early Wednesday morning. * IMPACTS...At 21.0 feet, Expect minor flooding of several buildings in the Ionia Fairgrounds, a shopping mall near the Fairgrounds, and several businesses and residences in the southern portion of Ionia. * ADDITIONAL DETAILS... - At 9:45 AM EDT Saturday the stage was 16.7 feet. - Forecast...Flood stage may be reached Monday afternoon. - Flood stage is 21.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Additional information is available at www.weather.gov/grr.
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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
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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