Alert archive / Michigan / Flash Flood Warnings in 2012
Flash Flood Warning 7, NWS Gaylord, MI
NWS Gaylord, MI issued this flash flood warning at Oct 6, 2012, 11:42 AM EDT for Grand Traverse County, Michigan. It was in force for 6 hr. 1 report 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
- Oct 6, 2012, 11:42 AM EDT (15:42 UTC)
- Expired
- Oct 6, 2012, 5:45 PM EDT
- In force
- 6 hr
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Flood severity
- Unknown
County Grand Traverse County, MI
The radar
The NCL Michigan radar (KAPX), 72 km from the middle of the area, began a volume at 15:44 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 |
|---|---|---|---|
| Oct 6, 12:15 PM EDT | FLASH FLOOD | 4 Nne Kingsley, MI | TIME AND LOCATION ESTIMATED. APPROXIMATELY 6 HOMES HAVE BEEN IMPACTED BY THE FLOOD WATERS DUE TO THE BREACH OF THE BROWN BRIDGE DAM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 3.7 hours before the alert went out and 201 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
- 797 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
780
WGUS53 KAPX 061542
FFWAPX
MIC055-062145-
/O.NEW.KAPX.FF.W.0007.121006T1542Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1142 AM EDT SAT OCT 6 2012
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* FLASH FLOOD WARNING FOR A POSSIBLE DAM FAILURE ON THE BOARDMAN
RIVER BELOW BROWN BRIDGE DAM IN...
CENTRAL GRAND TRAVERSE COUNTY IN NORTHERN LOWER MICHIGAN...
* UNTIL 545 PM EDT SATURDAY
* AT 1135 AM EDT...TRAVERSE CITY LIGHT AND POWER REPORTED THAT THE
TEMPORARY DAM AT BROWN BRIDGE DAM WAS IN DANGER OF FAILING.
* THE NEAREST DOWNSTREAM LOCATION IS BOARDMAN DAM...LOCATED 13 MILES
FROM THE DAM. IF YOU ARE IN LOW LYING AREAS BELOW BROWN BRIDGE
DAM TO BOARDMAN DAM...BE PREPARED TO MOVE TO HIGHER GROUND
IMMEDIATELY. FOLLOW EVACUATION INSTRUCTIONS PROVIDED BY YOUR LOCAL
EMERGENCY OFFICIALS. DO NOT ATTEMPT TO DRIVE ACROSS FLOODED
ROADWAYS.
LAT...LON 4477 8562 4477 8559 4473 8561 4468 8559
4466 8555 4465 8551 4464 8549 4463 8555
4464 8561 4468 8563 4473 8563
$$
JPB7 follow-up statements
362
WGUS73 KAPX 061626
FFSAPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1226 PM EDT SAT OCT 6 2012
MIC055-062145-
/O.CON.KAPX.FF.W.0007.000000T0000Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAND TRAVERSE-
1226 PM EDT SAT OCT 6 2012
...A FLASH FLOOD WARNING FOR THE IMMINENT FAILURE OF BROWN BRIDGE DAM
ON THE BOARDMAN RIVER REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
GRAND TRAVERSE COUNTY...
AT 1221 PM EDT...TRAVERSE CITY LIGHT AND POWER REPORTED THAT THERE
IS A HOLE IN THE TEMPORARY DAM BEING USED TO DRAW DOWN THE POND
BEHIND BROWN BRIDGE DAM WHILE IT IS BEING DISMANTLED. THIS HAS
RESULTED IN A 2 FOOT RISE ON THE BOARDMAN RIVER DOWNSTREAM OF THE
DAM...THOUGH NO FLOODING HAS BEEN REPORTED AS OF YET. CREWS ARE
ATTEMPTING TO REPAIR THE TEMPORARY DAM...BUT PRECAUTIONARY
EVACUATIONS WILL BE UNDER TAKEN FOR PERSONS ALONG THE BOARDMAN RIVER
BELOW BROWN BRIDGE DAM.
IT IS IMPORTANT FOR PERSONS ALONG THE BOARDMAN RIVER BETWEEN BROWN
BRIDGE DAM AND BOARDMAN DAM TO FOLLOW EVACUATION INSTRUCTIONS
PROVIDED BY LOCAL LAW ENFORCEMENT. ALL PERSONS SHOULD STAY AWAY
FROM THE BOARDMAN RIVER AREA UNTIL THE DANGER HAS PASSED.
LAT...LON 4477 8562 4477 8559 4473 8561 4468 8559
4466 8555 4465 8551 4464 8549 4463 8555
4464 8561 4468 8563 4473 8563
$$
JPB890
WGUS73 KAPX 061645
FFSAPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1245 PM EDT SAT OCT 6 2012
MIC055-062145-
/O.CON.KAPX.FF.W.0007.000000T0000Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAND TRAVERSE-
1245 PM EDT SAT OCT 6 2012
...A FLASH FLOOD WARNING FOR A DAM FAILURE AT BROWN BRIDGE DAM ON
THE BOARDMAN RIVER REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL
GRAND TRAVERSE COUNTY...
AT 1242 PM EDT...THE GRAND TRAVERSE OFFICE OF EMERGENCY MANAGEMENT
HAS RECOMMENDED THE EVACUATION OF RESIDENCES ALONG RIVER ROAD
BETWEEN GARFIELD AND KEYSTONE ROAD DUE TO POSSIBLE FLOODING ALONG
THE BOARDMAN RIVER.
TRAVERSE CITY LIGHT AND POWER EARLIER REPORTED THAT THERE IS A HOLE
IN THE TEMPORARY DAM BEING USED TO DRAW DOWN THE POND BEHIND BROWN
BRIDGE DAM WHILE IT IS BEING DISMANTLED. THIS HAS RESULTED IN A 2
FOOT RISE ON THE BOARDMAN RIVER DOWNSTREAM OF THE DAM. CREWS ARE
ATTEMPTING TO REPAIR THE TEMPORARY DAM.
IT IS IMPORTANT FOR PERSONS ALONG THE BOARDMAN RIVER BELOW BROWN
BRIDGE DAM TO FOLLOW EVACUATION INSTRUCTIONS PROVIDED BY LOCAL LAW
ENFORCEMENT. ALL PERSONS SHOULD STAY AWAY FROM THE BOARDMAN RIVER
AREA UNTIL THE DANGER HAS PASSED.
LAT...LON 4473 8563 4477 8562 4477 8559 4473 8561
4468 8560 4466 8556 4464 8561 4468 8564
$$
JPB236
WGUS73 KAPX 061756
FFSAPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
156 PM EDT SAT OCT 6 2012
MIC055-062145-
/O.CON.KAPX.FF.W.0007.000000T0000Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAND TRAVERSE-
156 PM EDT SAT OCT 6 2012
...A FLASH FLOOD WARNING FOR A DAM FAILURE BROWN BRIDGE DAM ON THE
BOARDMAN RIVER REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL GRAND
TRAVERSE COUNTY...
AT 149 PM EDT...GRAND TRAVERSE COUNTY OFFICE OF EMERGENCY MANAGEMENT
IS CALLING FOR THE MANDATORY EVACUATION OF RESIDENCES ALONG RIVER
ROAD FROM GARFIELD ROAD DOWN TO SHUMSKY ROAD. THERE HAD BEEN AN
EARLIER RECOMMENDED EVACUATION FOR RESIDENCES ALONG RIVER ROAD FROM
SHUMSKY ROAD TO KEYSTONE ROAD.
TRAVERSE CITY LIGHT AND POWER EARLIER REPORTED THAT THERE IS A HOLE
IN THE TEMPORARY DAM BEING USED TO DRAW DOWN THE POND BEHIND BROWN
BRIDGE DAM WHILE IT IS BEING DISMANTLED. CREWS ARE ATTEMPTING TO
REPAIR THE TEMPORARY DAM.
IT IS IMPORTANT FOR PERSONS ALONG THE BOARDMAN RIVER BELOW BROWN
BRIDGE DAM TO FOLLOW EVACUATION INSTRUCTIONS PROVIDED BY LOCAL LAW
ENFORCEMENT. ALL PERSONS SHOULD STAY AWAY FROM THE BOARDMAN RIVER
AREA UNTIL THE DANGER HAS PASSED.
LAT...LON 4477 8562 4477 8559 4473 8561 4468 8559
4466 8555 4465 8551 4464 8549 4463 8555
4464 8561 4468 8563 4473 8563
$$
JPB867
WGUS73 KAPX 061908
FFSAPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
308 PM EDT SAT OCT 6 2012
MIC055-062145-
/O.CON.KAPX.FF.W.0007.000000T0000Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAND TRAVERSE-
308 PM EDT SAT OCT 6 2012
...A FLASH FLOOD WARNING FOR A DAM FAILURE AT BROWN BRIDGE DAM ON THE
BOARDMAN RIVER REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL GRAND
TRAVERSE COUNTY...
AT 256 PM EDT...A MANDATORY EVACUATION HAS BEEN ORDERED FOR
RESIDENCES ALONG RIVER ROAD FROM BROWN BRIDGE DAM TO KEYSTONE ROAD.
THE GRAND TRAVERSE ROAD COMMISSION IS ALSO CLOSING GARFIELD ROAD
AROUND THE MAYFIELD AREA. THREE HOMES HAVE BEEN DAMAGED BY FLOOD
WATERS.
TRAVERSE CITY LIGHT AND POWER EARLIER REPORTED THAT THERE IS A HOLE
IN THE TEMPORARY DAM BEING USED TO DRAW DOWN THE POND BEHIND BROWN
BRIDGE DAM WHILE IT IS BEING DISMANTLED. CREWS HAVE BEEN ON SITE TO
REPAIR THE DAMAGE TO THE TEMPORARY DAM.
IT IS IMPORTANT FOR PERSONS ALONG RIVER ROAD FROM BROWN BRIDGE DAM
TO KEYSTONE ROAD TO FOLLOW EVACUATION INSTRUCTIONS PROVIDED BY LOCAL
LAW ENFORCEMENT. THE GRAND TRAVERSE SHERIFF'S DEPARTMENT IS ASKING
ALL PERSONS TO STAY AWAY FROM THE BOARDMAN RIVER AREA UNTIL THE
DANGER HAS PASSED...AS ONLOOKERS WILL HAMPER LAW ENFORCEMENT EFFORTS
AND COULD PUT THEMSELVES IN DANGER.
LAT...LON 4477 8562 4477 8559 4473 8561 4468 8559
4466 8555 4465 8551 4464 8549 4463 8555
4464 8561 4468 8563 4473 8563
$$
JPB256
WGUS73 KAPX 062025
FFSAPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
425 PM EDT SAT OCT 6 2012
MIC055-062145-
/O.CON.KAPX.FF.W.0007.000000T0000Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAND TRAVERSE-
425 PM EDT SAT OCT 6 2012
...A FLASH FLOOD WARNING FOR A DAM FAILURE AT BROWN BRIDGE DAM ON THE
BOARDMAN RIVER REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL GRAND
TRAVERSE COUNTY...
AT 420 PM EDT...A MANDATORY EVACUATION REMAINS IN EFFECT FOR
RESIDENCES ALONG RIVER ROAD FROM BROWN BRIDGE DAM TO KEYSTONE ROAD.
GARFIELD ROAD HAS BEEN CLOSED SOUTH OF RIVER ROAD AROUND THE
MAYFIELD AREA. APPROXIMATELY SIX HOMES HAVE BEEN IMPACTED BY FLOOD
WATERS.
CREWS HAVE BEEN CONTINUING REPAIRS ON THE LEAKING TEMPORARY DAM
BEING USED TO DRAW DOWN THE POND BEHIND BROWN BRIDGE DAM WHILE IT IS
BEING DISMANTLED. STREAM LEVELS DOWNSTREAM OF THE DAM ROSE AT LEAST
TWO FEET EARLIER TODAY WHEN THE TEMPORARY DAM WAS INITIALLY
BREACHED...BUT WATER LEVELS HAVE BEEN SLOWLY RECEDING THROUGH THE
AFTERNOON.
IT IS IMPORTANT FOR PERSONS ALONG RIVER ROAD FROM BROWN BRIDGE DAM
TO KEYSTONE ROAD TO FOLLOW EVACUATION INSTRUCTIONS PROVIDED BY LOCAL
LAW ENFORCEMENT. THE GRAND TRAVERSE SHERIFF'S DEPARTMENT IS ASKING
ALL PERSONS TO STAY AWAY FROM THE BOARDMAN RIVER AREA UNTIL THE
DANGER HAS PASSED...AS ONLOOKERS WILL HAMPER LAW ENFORCEMENT EFFORTS
AND COULD PUT THEMSELVES IN DANGER.
LAT...LON 4477 8562 4477 8559 4473 8561 4468 8559
4466 8555 4465 8551 4464 8549 4463 8555
4464 8561 4468 8563 4473 8563
$$
JPB937
WGUS73 KAPX 062118
FFSAPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
518 PM EDT SAT OCT 6 2012
MIC055-062145-
/O.CON.KAPX.FF.W.0007.000000T0000Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAND TRAVERSE-
518 PM EDT SAT OCT 6 2012
...A FLASH FLOOD WARNING FOR A DAM FAILURE AT BROWN BRIDGE DAM ON THE
BOARDMAN RIVER REMAINS IN EFFECT UNTIL 545 PM EDT FOR CENTRAL GRAND
TRAVERSE COUNTY...
AT 514 PM EDT...THE MANDATORY EVACUATION ALONG THE BOARDMAN RIVER
BELOW BROWN BRIDGE DAM HAS BEEN LIFTED. GARFIELD ROAD SOUTH OF
RIVER ROAD WILL REMAIN CLOSED TO THROUGH TRAFFIC...BUT WILL BE OPEN
TO LOCAL TRAFFIC ONLY.
CREWS CONTINUE TO REPAIR THE BREECH ON THE TEMPORARY DAM BEING USED
TO DRAW DOWN THE POND BEHIND BROWN BRIDGE DAM. WHILE THE WATER
CONTINUES TO RECEDE DOWNSTREAM OF BROWN BRIDGE DAM...THE FLASH FLOOD
WARNING WILL REMAIN IN EFFECT UNTIL ITS SCHEDULED EXPIRATION AT 545
PM.
LAT...LON 4477 8562 4477 8559 4473 8561 4468 8559
4466 8555 4465 8551 4464 8549 4463 8555
4464 8561 4468 8563 4473 8563
$$
JPB275
WGUS73 KAPX 062148
FFSAPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
548 PM EDT SAT OCT 6 2012
MIC055-062200-
/O.EXP.KAPX.FF.W.0007.000000T0000Z-121006T2145Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAND TRAVERSE-
548 PM EDT SAT OCT 6 2012
...THE FLASH FLOOD WARNING FOR THE BOARDMAN RIVER IN CENTRAL GRAND
TRAVERSE COUNTY HAS BEEN ALLOWED TO EXPIRE...
WATER LEVELS ON THE BOARDMAN RIVER BELOW BROWN BRIDGE DAM CONTINUE
TO RECEDE...AS CREWS CONTINUE TO REPAIR A BREACH ON A TEMPORARY DAM
CONSTRUCTED TO DRAW DOWN THE POND BEHIND BROWN BRIDGE DAM.
EARLIER MANDATORY EVACUATION ORDERS FOR RESIDENCES ALONG RIVER ROAD
BETWEEN BROWN BRIDGE DAM AND KEYSTONE ROAD HAS BEEN LIFTED.
HOWEVER...RIVER ROAD BETWEEN GARFIELD AND KEYSTONE ROADS REMAINS
CLOSED TO THROUGH TRAFFIC...AND MAY REMAIN CLOSED THROUGH TONIGHT.
IN ADDITION...GARFIELD ROAD SOUTH OF RIVER ROAD REMAINS CLOSED.
WHILE FLOOD WATERS CONTINUE TO RECEDE...PERSONS RETURNING TO THEIR
HOMES TONIGHT ARE URGED TO EXERCISE CAUTION DUE TO POSSIBLE DOWNED
POWER LINES OR RUPTURED GAS LINES. PERSONS ENCOUNTERING THESE
ISSUES ARE ASKED TO CONTACT GRAND TRAVERSE COUNTY CENTRAL DISPATCH.
ONLOOKERS SHOULD REMAIN AWAY FROM THE BOARDMAN RIVER TONIGHT.
LAT...LON 4477 8562 4477 8559 4473 8561 4468 8559
4466 8555 4465 8551 4464 8549 4463 8555
4464 8561 4468 8563 4473 8563
$$
JPBThe office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 4:39 PM EDT | Gale Watch | APX | 11 hr |
Nearby
Flash Flood Warnings in Michigan, 2012Every flash flood warning in 2012
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.