Alert archive / Michigan / River Flood Warnings in 2020
River Flood Warning 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this river flood warning at Apr 30, 2020, 11:27 AM EDT for Muskegon County, Michigan. It took effect at Apr 30, 2020, 12:00 PM EDT. It was in force for 21 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 30, 2020, 11:27 AM EDT (15:27 UTC)
- In effect from
- Apr 30, 2020, 12:00 PM EDT
- Expired
- May 1, 2020, 9:25 AM EDT
- In force
- 21 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Flood severity
- Minor
County Muskegon County, MI
The radar
The Grand Rapids radar (KGRR), 85 km from the middle of the area, began a volume at 15:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point White River above Whitehall (WHTM4). The gauge peaked at 6.20 ft at Apr 30, 2020, 10:00 PM EDT.
- Action stage
- 5 ft
- Minor stage
- 6 ft
- Moderate stage
- 7 ft
- Major stage
- 8 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 04122200, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
797
WGUS43 KGRR 301527
FLWGRR
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Grand Rapids MI
1127 AM EDT Thu Apr 30 2020
...The National Weather Service in Grand Rapids has issued a flood
warning for the following river in Southwest Lower Michigan...
White River Above Whitehall affecting Muskegon County
.Two to four inches of rain fell since Tuesday night in much of
the area. Minor flooding of the White River is expected tonight.
This crest will be similar to the crest on Oct 3 2019. The following
forecast is based on observed and forecast 24 hour precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Even 6 inches of fast-moving flood water can knock
you off your feet... and a depth of 2 feet will float your car.
Never try to walk... swim... or drive through such swift water. If
you come upon flood waters... stop... turn around and go another way.
This warning will be in effect until the river falls below its flood
stage.
Stay tuned to further developments by listening to your local
radio... television... or NOAA Weather Radio station for further
information.
Additional weather and river information can be found on our homepage
at www.weather.gov/grr
&&
MIC121-012127-
/O.NEW.KGRR.FL.W.0021.200430T1600Z-200502T0600Z/
/WHTM4.1.ER.200430T2000Z.200501T0600Z.200502T0600Z.NO/
1127 AM EDT Thu Apr 30 2020
The National Weather Service in Grand Rapids has issued a
* Flood Warning for
the White River Above Whitehall.
* until late Friday night.
* At 10:15 AM Thursday the stage was 5.5 feet.
* Flood stage is 6.0 feet.
* Minor Flooding is forecast.
* Forecast, the river will rise above flood stage by Thursday
afternoon and continue to rise to near 6.4 feet by early Friday
morning. The river will fall below flood stage by late Friday
night.
* Impact, at 6.0 feet...Expect minor flooding of several cottages,
canoe liveries, and farmland along the river.
* Flood history, this crest compares to a previous crest of 6.35
feet on Oct 3 2019.
&&
LAT...LON 4344 8638 4352 8618 4360 8607 4354 8601
4346 8613 4338 8633
$$
CAS2 follow-up statements
244
WGUS83 KGRR 010150
FLSGRR
Flood Statement
National Weather Service Grand Rapids MI
950 PM EDT Thu Apr 30 2020
...The flood warning continues for the following rivers in Southwest
Lower Michigan...
White River Above Whitehall affecting Muskegon County
.The current weather is dominated by a [...]. This weather system
will produce rainfall amounts ranging from [...]. The extended
outlook is for [...]. The following forecast is based on observed
and forecast 24 hour precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Motorists should not attempt to drive around
barricades or drive cars through flooded areas.
Stay tuned to further developments by listening to your local
radio... television... or NOAA Weather Radio station for further
information.
Additional weather and river information can be found on our homepage
at www.weather.gov/grr
&&
MIC121-020749-
/O.EXT.KGRR.FL.W.0021.000000T0000Z-200502T1800Z/
/WHTM4.1.ER.200430T1850Z.200430T2315Z.200502T0600Z.NO/
950 PM EDT Thu Apr 30 2020
The Flood Warning continues for
the White River Above Whitehall.
* until Saturday afternoon.
* at 9:15 PM Thursday the stage was 6.1 feet.
* Flood stage is 6.0 feet.
* Minor Flooding is occurring and Minor Flooding is forecast.
* Forecast, the river will continue to fall below flood stage by
early Saturday morning.
* Impact, at 6.0 feet...Expect minor flooding of several cottages,
canoe liveries, and farmland along the river.
* Flood history, this crest compares to a previous crest of 6.6 feet
on Feb 1 2013.
&&
LAT...LON 4344 8638 4352 8618 4360 8607 4354 8601
4346 8613 4338 8633
$$965
WGUS83 KGRR 011325
FLSGRR
Flood Statement
National Weather Service Grand Rapids MI
925 AM EDT Fri May 1 2020
...The Flood Warning has been cancelled for the following river in
Southwest Lower Michigan...
White River Above Whitehall affecting Muskegon County
.River levels crested last night and are expected to continue falling.
The following forecast is based on observed and forecast 24 hour
precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Motorists should not attempt to drive around
barricades or drive cars through flooded areas.
Stay tuned to further developments by listening to your local
radio... television... or NOAA Weather Radio station for further
information.
Additional weather and river information can be found on our homepage
at www.weather.gov/grr
&&
MIC121-011355-
/O.CAN.KGRR.FL.W.0021.000000T0000Z-200502T1800Z/
/WHTM4.1.ER.200430T1850Z.200430T2315Z.200501T0815Z.NO/
925 AM EDT Fri May 1 2020
The Flood Warning is cancelled for
the White River Above Whitehall.
* At 8:15 AM Friday the stage was 5.8 feet.
* Flood stage is 6.0 feet.
* The river fell below flood stage at 4:15 AM Friday.
* Forecast, the river will continue to fall to 4.2 feet by Saturday
morning.
* Impact, at 6.0 feet...Expect minor flooding of several cottages,
canoe liveries, and farmland along the river.
* Flood history, this crest compares to a previous crest of 6.4 feet
on Oct 3 2019.
&&
LAT...LON 4344 8638 4352 8618 4360 8607 4354 8601
4346 8613 4338 8633
$$
CASNearby
River Flood Warnings in Michigan, 2020Every river flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.