Alert archive / Michigan / Flash Flood Warnings in 2012
Flash Flood Warning 5, NWS Detroit, MI
NWS Detroit, MI issued this flash flood warning at Jul 3, 2012, 6:02 PM EDT for Macomb County, Oakland County, Michigan. It was in force for 2 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
- Jul 3, 2012, 6:02 PM EDT (22:02 UTC)
- Expired
- Jul 3, 2012, 8:23 PM EDT
- In force
- 2 hr
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Macomb County, MI, Oakland County, MI
The radar
The Detroit radar (KDTX), 49 km from the middle of the area, began a volume at 22:02 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, 10.0 hours before the alert went out and 46 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
- 745 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
494
WGUS53 KDTX 032202
FFWDTX
MIC099-125-040200-
/O.NEW.KDTX.FF.W.0005.120703T2202Z-120704T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
602 PM EDT TUE JUL 3 2012
THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN OAKLAND COUNTY IN SOUTHEAST MICHIGAN...
MACOMB COUNTY IN SOUTHEAST MICHIGAN...
* UNTIL 1000 PM EDT
* AT 559 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES ANYWHERE BETWEEN 1 AND 3 INCHES OF
RAIN ACROSS THE AREA...WITH THE HIGHEST AMOUNTS IN AND AROUND LAKE
ORION...ROMEO AND STERLING HEIGHTS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...MOUNT
CLEMENS...NEW BALTIMORE...OXFORD...PONTIAC...RICHMOND...ROMEO...
SOUTHFIELD...ST. CLAIR SHORES...TROY...WARREN...ARMADA...
BIRMINGHAM...MACOMB TOWNSHIP...ROCHESTER...ROYAL OAK AND STERLING
HEIGHTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF AN INCH OR TWO ARE POSSIBLE IN THE
WARNED AREA.
AT 6 PM THERE WAS REPORTS OF FLOODED ROADS IN AND AROUND SHELBY
TOWNSHIP.
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 4267 8273 4264 8281 4262 8281 4260 8277
4259 8278 4256 8277 4256 8283 4251 8287
4245 8286 4244 8333 4288 8339 4289 8274
$$
SC3 follow-up statements
277
WGUS73 KDTX 032237
FFSDTX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
637 PM EDT TUE JUL 3 2012
MIC099-125-040200-
/O.CON.KDTX.FF.W.0005.000000T0000Z-120704T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OAKLAND MI-MACOMB MI-
637 PM EDT TUE JUL 3 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MACOMB AND EASTERN
OAKLAND COUNTIES UNTIL 1000 PM EDT...
AT 634 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS ALONG A LINE EXTENDING FROM LAKE ORION TO MOUNT
CLEMENS. DOPPLER RADAR ESTIMATES THAT THIS REGION...WHICH INCLUDES
ROMEO AND SHELBY TOWNSHIP HAS ALREADY RECEIVED BETWEEN 2 AND 3.5
INCHES OF RAIN THIS EVENING.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING
INCLUDE...MOUNT CLEMENS...NEW BALTIMORE...OXFORD...RICHMOND...
ROMEO...ST. CLAIR...MACOMB TOWNSHIP...ROCHESTER...ROYAL OAK AND
STERLING HEIGHTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF UP TO A HALF AN INCH ARE POSSIBLE IN
THE WARNED AREA BEFORE THE STORMS DISSIPATE.
EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4267 8273 4264 8281 4262 8281 4260 8277
4259 8278 4256 8277 4256 8283 4251 8287
4245 8286 4244 8333 4288 8339 4289 8274
$$
SC629
WGUS73 KDTX 032317
FFSDTX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
717 PM EDT TUE JUL 3 2012
MIC099-125-040200-
/O.CON.KDTX.FF.W.0005.000000T0000Z-120704T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OAKLAND MI-MACOMB MI-
717 PM EDT TUE JUL 3 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MACOMB AND EASTERN
OAKLAND COUNTIES UNTIL 1000 PM EDT...
AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS EXTENDING FROM SOUTHFIELD TO ST CLAIR SHORES...SLOWLY
MOVING SOUTH AND WEAKENING. THESE STORMS WILL MOVE OUT OF THE AREA
BY 8 PM. RADAR ESTIMATES ANYWHERE FROM 2 TO 4 INCHES OF RAIN FELL
FROM EARLIER THUNDERSTORMS...WITH THE HIGHEST RAINFALL AMOUNTS IN
AND AROUND LAKE ORION...ROMEO...SHELBY TOWNSHIP AND MOUNT CLEMENS.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MOUNT CLEMENS...NEW BALTIMORE...OXFORD...PONTIAC...RICHMOND...
ROMEO...SOUTHFIELD...ST. CLAIR SHORES...TROY...WARREN...ARMADA...
BIRMINGHAM...MACOMB TOWNSHIP...ROCHESTER...ROYAL OAK AND STERLING
HEIGHTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RAINFALL WILL BE ENDING SHORTLY. EXCESSIVE RUNOFF FROM THE EARLIER
STORMS WILL HOWEVER CONTINUE TO 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 4267 8273 4264 8281 4262 8281 4260 8277
4259 8278 4256 8277 4256 8283 4251 8287
4245 8286 4244 8333 4288 8339 4289 8274
$$
SC523
WGUS73 KDTX 040023
FFSDTX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
823 PM EDT TUE JUL 3 2012
MIC099-125-040037-
/O.CAN.KDTX.FF.W.0005.000000T0000Z-120704T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OAKLAND MI-MACOMB MI-
823 PM EDT TUE JUL 3 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MACOMB AND EASTERN
OAKLAND COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4267 8273 4264 8281 4262 8281 4260 8277
4259 8278 4256 8277 4256 8283 4251 8287
4245 8286 4244 8333 4288 8339 4289 8274
$$
SCThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 4:02 AM EDT | Heat Advisory | DTX | Genesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 5 more | 24 hr |
| Jul 3, 5:11 AM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 64 min |
| Jul 3, 5:38 AM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland | 67 min |
| Jul 3, 5:42 AM EDT | Severe Thunderstorm Warning | DTX | Genesee | 49 min |
| Jul 3, 6:10 AM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Oakland | 34 min |
| Jul 3, 7:16 AM EDT | Special Marine Warning | DTX | 44 min | |
| Jul 3, 10:02 AM EDT | Special Marine Warning | DTX | 41 min | |
| Jul 3, 4:01 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland, Washtenaw, Wayne | 59 min |
| Jul 3, 4:07 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer, Oakland | 38 min |
| Jul 3, 4:14 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw, Wayne | 37 min |
| Jul 3, 4:24 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee | 40 min |
| Jul 3, 4:41 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 49 min |
| Jul 3, 4:44 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Macomb, Oakland | 76 min |
| Jul 3, 4:49 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 26 min |
| Jul 3, 5:09 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 66 min |
| Jul 3, 5:13 PM EDT | Special Marine Warning | DTX | 77 min | |
| Jul 3, 5:14 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland | 36 min |
| Jul 3, 5:34 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 56 min |
| Jul 3, 5:50 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 55 min |
| Jul 3, 5:58 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 26 min |
| Jul 3, 6:17 PM EDT | Severe Thunderstorm Warning | DTX | Monroe, Wayne | 43 min |
| Jul 3, 6:23 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 9 min |
| Jul 3, 6:29 PM EDT | Special Marine Warning | DTX | 91 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.