Alert archive / Michigan / Flash Flood Warnings in 2011
Flash Flood Warning 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at Aug 13, 2011, 2:47 PM EDT for Newaygo County, Michigan. It was in force for 7 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 13, 2011, 2:47 PM EDT (18:47 UTC)
- Expired
- Aug 13, 2011, 10:12 PM EDT
- In force
- 7 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Flood severity
- None
County Newaygo County, MI
The radar
The Grand Rapids radar (KGRR), 64 km from the middle of the area, began a volume at 18:49 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 4:24 PM EDT | FLASH FLOOD | 1 Ene Newaygo, MI | HENNING PARK IN NEWAYGO IS FLOODING AT THIS TIME. CAMPERS BEING EVACUATED. |
| Aug 13, 4:53 PM EDT | HEAVY RAIN 5.29 | Newaygo, MI | RAINFALL FROM MIDNIGHT THROUGH 430 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 6.8 hours before the alert went out and 208 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4981 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
264
WGUS53 KGRR 131847
FFWGRR
MIC123-140230-
/O.NEW.KGRR.FF.W.0021.110813T1847Z-110814T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
247 PM EDT SAT AUG 13 2011
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN NEWAYGO COUNTY IN WEST CENTRAL MICHIGAN...
* UNTIL 1030 PM EDT
* AT 238 PM EDT...THUNDERSTORMS WITH HEAVY RAINFALL CONTINUE TO
TRAIN ACROSS SOUTHERN NEWAYGO COUNTY WITH THE RADAR ESTIMATES OF
OVER 3 INCHES OF PRECIPITATION. EMERGENCY MANAGEMENT IN NEWAYGO
COUNTY REPORT STANDING WATER IN THE CITY OF NEWAYGO AND SEVERAL
WASHED OUT ROADS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEWAYGO...FREMONT...WHITE CLOUD...AETNA...BIG PRAIRIE...BISHOP...
CROTON HEIGHTS...OXBOW AND WOOSTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4359 8556 4329 8557 4329 8602 4330 8604
4357 8604
$$
633 follow-up statements
146
WGUS73 KGRR 132146
FFSGRR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
546 PM EDT SAT AUG 13 2011
MIC123-140230-
/O.CON.KGRR.FF.W.0021.000000T0000Z-110814T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEWAYGO MI-
546 PM EDT SAT AUG 13 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN NEWAYGO COUNTY
UNTIL 1030 PM EDT...
AT 536 PM EDT...EMERGENCY MANAGEMENT REPORTED THUNDERSTORMS WITH VERY
HEAVY RAINFALL HAVE CROSSED THE WARNED AREA. THE TOTAL RAINFALL WAS
OVER 4 INCHES ACROSS MUCH OF THE AREA WITH A 24 HOUR TOTAL OF 5.29
INCHES IN NEWAYGO.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEWAYGO...FREMONT...WHITE CLOUD...AETNA...BIG PRAIRIE...BISHOP...
CROTON HEIGHTS...OXBOW AND WOOSTER.
EMERGENCY MANAGEMENT HAS REPORTED WASHED OUT ROADS AND STANDING
WATER IN THE CITY OF NEWAYGO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOOD WATERS ARE MOVING DOWN THE MUSKEGON RIVER FROM CROTON TO
BRIDGETON. CAMPERS HAVE BEEN EVACUATED FROM HENNING PARK ON THE
MUSKEGON RIVER.
&&
LAT...LON 4359 8556 4329 8557 4329 8602 4330 8604
4357 8604
$$
63513
WGUS73 KGRR 132325
FFSGRR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
725 PM EDT SAT AUG 13 2011
MIC123-140230-
/O.CON.KGRR.FF.W.0021.000000T0000Z-110814T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEWAYGO MI-
725 PM EDT SAT AUG 13 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN NEWAYGO COUNTY
UNTIL 1030 PM EDT...
AT 536 PM EDT...EMERGENCY MANAGEMENT REPORTED THUNDERSTORMS WITH VERY
HEAVY RAINFALL HAVE CROSSED THE WARNED AREA. THE TOTAL RAINFALL WAS
OVER 4 INCHES ACROSS MUCH OF THE AREA WITH A 24 HOUR TOTAL OF 5.29
INCHES IN NEWAYGO.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEWAYGO...FREMONT...WHITE CLOUD...AETNA...BIG PRAIRIE...BISHOP...
CROTON HEIGHTS...OXBOW AND WOOSTER.
EMERGENCY MANAGEMENT HAS REPORTED WASHED OUT ROADS AND STANDING
WATER IN THE CITY OF NEWAYGO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOOD WATERS ARE MOVING DOWN THE MUSKEGON RIVER FROM CROTON TO
BRIDGETON. AN EMERGENCY SHELTER HAS BEEN SET UP FOR DISPLACED
CAMPERS.
&&
LAT...LON 4359 8556 4329 8557 4329 8602 4330 8604
4357 8604
$$
MJS405
WGUS73 KGRR 140212
FFSGRR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1012 PM EDT SAT AUG 13 2011
MIC123-140225-
/O.CAN.KGRR.FF.W.0021.000000T0000Z-110814T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEWAYGO MI-
1012 PM EDT SAT AUG 13 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN NEWAYGO
COUNTY IS CANCELLED...
THE FLASH FLOOD WARNING HAS BEEN REPLACED WITH AN AREAL FLOOD
WARNING FOR THE SAME REGION. WATER LEVELS WILL REMAIN AT HAZARDOUS
LEVELS THROUGH THE NIGHT.
LAT...LON 4359 8556 4329 8557 4329 8602 4330 8604
4357 8604
$$
MJSThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 11:19 PM EDT | Special Weather Statement | GRR | Lake, Mason, Muskegon, Newaygo, Oceana | 116 min |
| Aug 13, 2:43 AM EDT | Areal Flood Advisory | GRR | Mason, Oceana | 6 hr |
| Aug 13, 5:02 AM EDT | Areal Flood Advisory | GRR | Muskegon | 6 hr |
| Aug 13, 6:23 AM EDT | Areal Flood Advisory | GRR | Newaygo | 9 hr |
| Aug 13, 8:05 AM EDT | Areal Flood Advisory | GRR | Kent | 6 hr |
| Aug 13, 9:31 AM EDT | Special Weather Statement | GRR | Allegan | 59 min |
| Aug 13, 9:52 AM EDT | Flash Flood Warning | GRR | Allegan | 7 hr |
| Aug 13, 10:37 AM EDT | Special Weather Statement | GRR | Allegan, Kalamazoo, Van Buren | 53 min |
| Aug 13, 10:42 AM EDT | Special Marine Warning | GRR | 79 min | |
| Aug 13, 10:53 AM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 67 min |
| Aug 13, 11:35 AM EDT | Small Craft Advisory | GRR | 43 hr | |
| Aug 13, 11:39 AM EDT | Flash Flood Warning | GRR | Van Buren | 5 hr |
| Aug 13, 12:46 PM EDT | Special Weather Statement | GRR | Kalamazoo | 59 min |
| Aug 13, 1:06 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 54 min |
| Aug 13, 1:31 PM EDT | Areal Flood Advisory | GRR | Kalamazoo | 5 hr |
| Aug 13, 2:05 PM EDT | Special Weather Statement | GRR | Calhoun | 55 min |
| Aug 13, 2:08 PM EDT | Special Weather Statement | GRR | Montcalm | 67 min |
| Aug 13, 2:22 PM EDT | Special Marine Warning | GRR | 83 min | |
| Aug 13, 2:43 PM EDT | Special Weather Statement | GRR | Kent, Ottawa | 92 min |
| Aug 13, 2:53 PM EDT | Special Weather Statement | GRR | Allegan | 82 min |
| Aug 13, 3:07 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 70 min |
| Aug 13, 3:09 PM EDT | Special Marine Warning | GRR | 81 min | |
| Aug 13, 3:10 PM EDT | Special Marine Warning | GRR | 77 min | |
| Aug 13, 3:14 PM EDT | Areal Flood Advisory | GRR | Kent, Muskegon, Ottawa | 106 min |
| Aug 13, 3:21 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 54 min |
| Aug 13, 3:32 PM EDT | Special Weather Statement | GRR | Newaygo | 58 min |
| Aug 13, 3:43 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 65 min |
| Aug 13, 3:56 PM EDT | Special Weather Statement | GRR | Ionia | 64 min |
| Aug 13, 4:08 PM EDT | Special Weather Statement | GRR | Allegan, Barry | 82 min |
| Aug 13, 4:29 PM EDT | Special Weather Statement | GRR | Kalamazoo | 91 min |
| Aug 13, 4:46 PM EDT | Special Weather Statement | GRR | Calhoun, Eaton | 89 min |
| Aug 13, 5:04 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Kalamazoo | 64 min |
| Aug 13, 5:14 PM EDT | Special Weather Statement | GRR | Clinton, Ingham | 91 min |
| Aug 13, 5:17 PM EDT | Areal Flood Advisory | GRR | Newaygo | 105 min |
| Aug 13, 5:35 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 73 min |
| Aug 13, 6:19 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 30 min |
| Aug 13, 6:25 PM EDT | Tornado Warning | GRR | Jackson | 20 min |
Nearby
Flash Flood Warnings in Michigan, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.