Alert archive / Michigan / Flash Flood Warnings in 2011
Flash Flood Warning 5, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at May 29, 2011, 5:50 PM EDT for 4 counties in Michigan. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 29, 2011, 5:50 PM EDT (21:50 UTC)
- Expired
- May 29, 2011, 11:27 PM EDT
- In force
- 6 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clinton County, MI, Eaton County, MI, Ingham County, MI, Ionia County, MI
The radar
The Detroit radar (KDTX), 85 km from the middle of the area, began a volume at 21:50 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 nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 9.8 hours before the alert went out and 88 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
- 12 J/kg
- Mixed-layer CIN
- -294 J/kg
- Mixed-layer LCL
- 499 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 298 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
350
WGUS53 KGRR 292150
FFWGRR
MIC037-045-065-067-300400-
/O.NEW.KGRR.FF.W.0005.110529T2150Z-110530T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
550 PM EDT SUN MAY 29 2011
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN EATON COUNTY IN SOUTH CENTRAL MICHIGAN...
NORTHERN INGHAM COUNTY IN SOUTH CENTRAL MICHIGAN...
SOUTHEASTERN CLINTON COUNTY IN SOUTH CENTRAL MICHIGAN...
SOUTHEASTERN IONIA COUNTY IN SOUTH CENTRAL MICHIGAN...
* UNTIL MIDNIGHT EDT MONDAY
* AT 548 PM EDT...TRAINED WEATHER SPOTTERS IN EXCESS OF 1.5 INCHES
OF RAIN IN 15 MINUTES IN DELTA TOWNSHIP IN EATON COUNTY. THIS
HEAVY RAIN IMPACTED THE CITY OF LANSING AND WILL LIKELY CAUSE FLASH
FLOODING WITHIN THE CITY.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LANSING...ST. JOHNS...DEWITT...ELSIE...GRAND LEDGE...WEBBERVILLE...
WILLIAMSTON...BELL OAK...DELTA MILLS...FOREST HILLS...FROST
CORNERS...HOYTVILLE...MERIDIAN...MERLE BEACH...MILLETT...
SHEPARDSVILLE AND WEST WINDSOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4263 8476 4281 8499 4310 8437 4278 8436
4278 8416 4266 8414
$$
MJS2 follow-up statements
392
WGUS73 KGRR 292327
FFSGRR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
727 PM EDT SUN MAY 29 2011
MIC067-292338-
/O.CAN.KGRR.FF.W.0005.000000T0000Z-110530T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IONIA MI-
727 PM EDT SUN MAY 29 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN IONIA
COUNTY IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4263 8476 4285 8483 4310 8437 4278 8436
4278 8416 4266 8414
$$
MIC037-045-065-300400-
/O.CON.KGRR.FF.W.0005.000000T0000Z-110530T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLINTON MI-EATON MI-INGHAM MI-
727 PM EDT SUN MAY 29 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN INGHAM...
NORTHEASTERN EATON AND SOUTHEASTERN CLINTON COUNTIES UNTIL MIDNIGHT
EDT...
AT 723 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH
FLOODING WAS OCCURRING IN CLINTON COUNTY WITH SOME ROADS REPORTEDLY
WASHED OUT. THE HEAVIEST RAIN FELL FROM NEAR EAGLE TO MERLE BEACH
IN SOUTHERN CLINTON COUNTY. BAD CREEK IS LIKELY EXPERIENCING
FLOODING.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...LANSING...
DEWITT...ELSIE...GRAND LEDGE...WEBBERVILLE...WILLIAMSTON...BELL
OAK...DELTA MILLS...FOREST HILLS...MERIDIAN...MERLE BEACH...
MILLETT...SHEPARDSVILLE AND WEST WINDSOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4263 8476 4285 8483 4310 8437 4278 8436
4278 8416 4266 8414
$$
MJS914
WGUS73 KGRR 300327
FFSGRR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1127 PM EDT SUN MAY 29 2011
MIC037-045-065-300340-
/O.CAN.KGRR.FF.W.0005.000000T0000Z-110530T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLINTON MI-EATON MI-INGHAM MI-
1127 PM EDT SUN MAY 29 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN INGHAM...
NORTHEASTERN EATON AND SOUTHEASTERN CLINTON COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE SIGNIFICANT FLOOD THREAT. IF FLOODING HAS BEEN
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
A FLOOD ADVISORY WILL REMAIN IN EFFECT FOR MUCH OF THE REGION
THROUGH MOST OF THE NIGHT AS WATER LEVELS WERE STILL HIGH.
LAT...LON 4263 8476 4285 8483 4310 8437 4278 8436
4278 8416 4266 8414
$$
MJSThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 9:38 PM EDT | River Flood Advisory | GRR | Jackson | 61 hr |
| May 29, 11:12 AM EDT | Flood Watch | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Ingham and 6 more | 11 hr |
| May 29, 1:21 PM EDT | Special Marine Warning | GRR | 84 min | |
| May 29, 1:39 PM EDT | Special Weather Statement | GRR | Allegan, Van Buren | 51 min |
| May 29, 2:25 PM EDT | Special Weather Statement | GRR | Allegan, Ottawa, Van Buren | 80 min |
| May 29, 2:38 PM EDT | Flash Flood Warning | GRR | Allegan, Van Buren | 5 hr |
| May 29, 2:44 PM EDT | Special Marine Warning | GRR | 72 min | |
| May 29, 3:14 PM EDT | Special Weather Statement | GRR | Allegan, Barry, Calhoun, Ionia, Kalamazoo, Van Buren | 61 min |
| May 29, 3:27 PM EDT | Areal Flood Advisory | GRR | Barry, Calhoun, Eaton, Ingham, Jackson, Kalamazoo | 12 hr |
| May 29, 3:58 PM EDT | Tornado Warning | GRR | Kalamazoo | 47 min |
| May 29, 4:08 PM EDT | Severe Thunderstorm Warning | GRR | Barry | 52 min |
| May 29, 4:16 PM EDT | Tornado Warning | GRR | Kalamazoo | 31 min |
| May 29, 4:25 PM EDT | Tornado Warning | GRR | Barry, Calhoun | 35 min |
| May 29, 4:47 PM EDT | Tornado Warning | GRR | Eaton | 28 min |
| May 29, 4:54 PM EDT | Tornado Warning | GRR | Ingham, Jackson | 51 min |
| May 29, 5:01 PM EDT | Areal Flood Advisory | GRR | Clinton | 12 hr |
| May 29, 7:55 PM EDT | River Flood Warning | GRR | Kent | 5 days |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.