Alert archive / Michigan / Flash Flood Warnings in 2011
Flash Flood Warning 9, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at Jun 21, 2011, 8:29 PM EDT for Calhoun County, Michigan. It was in force for 15 hr. 4 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
- Jun 21, 2011, 8:29 PM EDT (00:29 UTC)
- Expired
- Jun 22, 2011, 11:17 AM EDT
- In force
- 15 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Flood severity
- None
County Calhoun County, MI
The radar
The Grand Rapids radar (KGRR), 79 km from the middle of the area, began a volume at 00:30 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 |
|---|---|---|---|
| Jun 21, 8:30 PM EDT | FLASH FLOOD | 5 S Battle Creek, MI | STANDING WATER OVER THE ROAD AT 4 MILE ROAD AND B AVENUE...AND ALSO IN THE CITY OF BATTLE CREEK AT THE INTERSECTION OF M-66 AND COLUMBIA. |
| Jun 22, 12:00 AM EDT | HEAVY RAIN 2.39 | Battle Creek, MI | 24 HOUR TOTAL. MOST OF THE RAIN FELL THIS EVENING. |
| Jun 22, 2:33 AM EDT | FLASH FLOOD | 5 S Lakeview, MI | CALHOUN COUNTY DISPATCH SUPERVISOR REPORTS 4.5 FEET OF STANDING WATER ON B DRIVE SOUTH, BETWEEN 4 AND 4 1/2 MILE ROAD NEAR SONOMA ELEMENTARY. THIS IS A DELAYED REPORT. |
| Jun 22, 8:00 AM EDT | HEAVY RAIN 1.52 | 3 Wsw Battle Creek, MI | THIS WAS A 24 HOUR TOTAL. |
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 00:00Z, 0.5 hours before the alert went out and 143 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
- 3352 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 14.4
The text
As transmitted, in the capitals the NWS used until 2016.
768 WGUS53 KGRR 220029 FFWGRR MIC025-220630- /O.NEW.KGRR.FF.W.0009.110622T0029Z-110622T0630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 829 PM EDT TUE JUN 21 2011 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * FLASH FLOOD WARNING FOR... CALHOUN COUNTY IN SOUTH CENTRAL MICHIGAN... * UNTIL 230 AM EDT WEDNESDAY * AT 825 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES OVER 5 INCHES OF RAIN HAS FALLEN IN SOUTHWEST CALHOUN COUNTY NEAR EAST LEROY AND ATHENS. PINE CREEK IS LIKELY OUT OF ITS BANKS IN ATHENS TOWNSHIP. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BATTLE CREEK...ALBION...MARSHALL...TEKONSHA...BEADLE LAKE... BURLEIGH CORNERS...CLARENDON...CONDIT...DUCK LAKE...EAST LEROY... ECKFORD...FORT CUSTER...LEVEL PARK...MARENGO...PARTELLO... PENNFIELD...RICE CREEK...SONOMA...ST MARYS LAKE...STANLEY CORNERS...WATTLES PARK AND WEST LEROY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 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 4242 8530 4242 8472 4207 8471 4207 8529 $$ DUKE
3 follow-up statements
067 WGUS73 KGRR 220237 FFSGRR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1037 PM EDT TUE JUN 21 2011 MIC025-220630- /O.CON.KGRR.FF.W.0009.000000T0000Z-110622T0630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CALHOUN MI- 1037 PM EDT TUE JUN 21 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CALHOUN COUNTY UNTIL 230 AM EDT... AT 1030 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT CONDITIONS ARE IMPROVING ACROSS THE COUNTY SINCE THE HEAVY RAINS HAVE ENDED. STANDING WATER WAS REPORTED ON MANY ROADS ON THE WEST SIDE OF THE COUNTY...AND IN THE CITY OF BATTLE CREEK. SOME STANDING WATER MAY REMAIN ON SOME ROADS FOR A LITTLE WHILE LONGER. SOME ADDITIONAL RAINFALL WILL BE POSSIBLE THROUGH TONIGHT...HOWEVER IT APPEARS THAT THE HEAVIEST RAINS HAVE MOVED OUT OF THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 4242 8530 4242 8472 4207 8471 4207 8529 $$ NJJ
860 WGUS53 KGRR 220626 FFWGRR MIC025-221530- /O.EXT.KGRR.FF.W.0009.000000T0000Z-110622T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 226 AM EDT WED JUN 22 2011 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS EXTENDED THE * FLASH FLOOD WARNING FOR... CALHOUN COUNTY IN SOUTH CENTRAL MICHIGAN... * UNTIL 1130 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT SOME LOCATIONS SOUTH OF BATTLE CREEK NEAR EAST LEROY SAW UP TO 5 INCHES OF RAIN TUESDAY EVENING IN A RELATIVELY SHORT PERIOD OF TIME. NO NEW FLOODING HAS BEEN REPORTED ACROSS THE WESTERN PORTION OF THE COUNTY WHERE THE HEAVIEST RAIN FELL. IT IS POSSIBLE THAT SOME LOW LYING FLOODING REMAINS...BUT IS UNREPORTED DUE TO IT BEING NIGHT TIME. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 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 4242 8530 4242 8472 4207 8471 4207 8529 $$ NJJ
991 WGUS73 KGRR 221517 FFSGRR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1117 AM EDT WED JUN 22 2011 MIC025-221532- /O.CAN.KGRR.FF.W.0009.000000T0000Z-110622T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CALHOUN MI- 1117 AM EDT WED JUN 22 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CALHOUN COUNTY IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 4242 8530 4242 8472 4207 8471 4207 8529 $$ WDM
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 8:05 PM EDT | Areal Flood Advisory | GRR | Gratiot, Isabella, Mecosta, Montcalm | 15 hr |
| Jun 21, 8:44 PM EDT | Flash Flood Warning | GRR | Gratiot, Isabella, Montcalm | 15 hr |
| Jun 21, 10:51 PM EDT | Areal Flood Advisory | GRR | Allegan, Van Buren | 12 hr |
| Jun 21, 11:14 PM EDT | Special Marine Warning | GRR | 61 min | |
| Jun 21, 11:26 PM EDT | Special Weather Statement | GRR | Muskegon, Newaygo, Oceana | 64 min |
| Jun 22, 4:28 AM EDT | Small Craft Advisory | GRR | 18 hr | |
| Jun 22, 11:24 AM EDT | Areal Flood Advisory | GRR | Ottawa | 3 min |
| Jun 22, 11:37 AM EDT | Areal Flood Advisory | GRR | Ottawa | 5 hr |
| Jun 22, 12:12 PM EDT | Special Weather Statement | GRR | Clare, Clinton, Gratiot, Ionia, Isabella, Lake and 4 more | 93 min |
| Jun 22, 1:23 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Eaton, Ingham | 53 min |
| Jun 22, 3:00 PM EDT | Special Weather Statement | GRR | Montcalm | 60 min |
| Jun 22, 3:38 PM EDT | Special Weather Statement | GRR | Isabella | 67 min |
| Jun 22, 3:51 PM EDT | Special Weather Statement | GRR | Osceola | 24 min |
| Jun 22, 4:09 PM EDT | Special Weather Statement | GRR | Gratiot | 36 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.