Flash flood watch continues

UPDATE (Friday 7 a.m.): CANCELED A flash flood watch remains in effect through Friday afternoon for much of Michigan's Lower Peninsula, including Ottawa County. A flash flood watch means that conditions are favorable for flash flooding, the National Weather Service says, and residents of the watch area should be prepared to take action should heavy rain occur in their area or if flash flood warnings are issued.
Mark Brooky
Jul 29, 2011

Thunderstorms with heavy rain are likely again tonight, according to the weather bureau. Rainfall rates of 1-2 inches per hour will be common.

Saturated soil from the heavy rain Wednesday night and early today will result in rapid runoff of water from additional thunderstorms tonight. This will increase the threat for very rapid rises in water levels with thunderstorms that occur.

Many areas east of Grand Rapids, between interstates 96 and 94, received more than 3 inches of rain since Wednesday. Potterville, near Lansing in Eaton County, received 6.3 inches of rain in the past 24 hours; while a trained NWS spotter said more than 6.6 inches fell a few miles west of Stockbridge in Ingham County.

The weather bureau said about 2.3 inches of rainfall was measured near Grand Haven at 6 a.m. today and nearly 5 inches fell near Rockford in Kent County.

The forecast for the Grand Haven area this afternoon: A 50-percent chance of showers and thunderstorms, mainly after 2 p.m. Mostly cloudy, with a high near 83. West-southwest wind at around 8 mph.

Tonight: Showers and thunderstorms likely, mainly between 8 p.m. and 2 a.m. Mostly cloudy, with a low around 72. Calm wind becoming northeast at 4-7 mph. Chance of precipitation is 60 percent. New rainfall amounts between three-quarters and 1 inch possible.

Friday: A 30-percent chance of showers and thunderstorms, mainly before 8 a.m. Partly sunny, with a high near 85. Calm wind becoming west-northwest at 5-8 mph.

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