Weather Alert in Michigan

Hydrologic Outlook issued April 1 at 3:22PM EDT by NWS Grand Rapids MI

AREAS AFFECTED: Allegan, MI; Barry, MI; Calhoun, MI; Clare, MI; Clinton, MI; Eaton, MI; Gratiot, MI; Ingham, MI; Ionia, MI; Isabella, MI; Jackson, MI; Kalamazoo, MI; Kent, MI; Lake, MI; Mason, MI; Mecosta, MI; Montcalm, MI; Muskegon, MI; Newaygo, MI; Oceana, MI; Osceola, MI; Ottawa, MI; Van Buren, MI

DESCRIPTION: ESFGRR 1 To 1.5 inches of rain are likely across much of southern Lower Michigan on Wednesday and Wednesday evening. If thunderstorms begin to track over the same locations repeatedly, isolated 2.5+ inch totals are possible. If this happens, localized flooding could develop and impact low lying and other poor drainage areas as well as small streams. As this water finds its way through our river systems, we could see some minor river flooding developing later this week. The Muskegon River is most vulnerable, as water levels are already elevated after recent heavy rains in Northern Lower Michigan. Further south, the Grand and Kalamazoo River basins are seeing lower water levels, but depending on the location of the heaviest rain some of the tributaries of these rivers could rise above bankfull in the next few days. Now is the time for folks living or playing near the rivers in West Michigan to prepare for rising water levels later this week. Your latest forecast is always at www.weather.gov/grr

INSTRUCTION: N/A

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

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Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

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