Alert archive / Michigan / Flash Flood Warnings in 2016
Flash Flood Warning 4, NWS Detroit, MI
NWS Detroit, MI issued this flash flood warning at Sep 29, 2016, 10:12 AM EDT for Macomb County, Oakland County, Wayne County, Michigan. It was in force for 4 hr. 7 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
- Sep 29, 2016, 10:12 AM EDT (14:12 UTC)
- Expired
- Sep 29, 2016, 2:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Macomb County, MI, Oakland County, MI, Wayne County, MI
The radar
The Detroit radar (KDTX), 48 km from the middle of the area, began a volume at 14:14 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 |
|---|---|---|---|
| Sep 29, 11:00 AM EDT | HEAVY RAIN 2.6 | Westland, MI | 24 HOUR RAINFALL TOTAL |
| Sep 29, 11:20 AM EDT | HEAVY RAIN 2.45 | Farmington, MI | 24 HOUR RAINFALL TOTAL |
| Sep 29, 12:30 PM EDT | HEAVY RAIN 1.25 | Farmington, MI | 5 HOUR RAINFALL TOTAL |
| Sep 29, 12:30 PM EDT | HEAVY RAIN 2.81 | 2 Ssw Novi, MI | 12 HOUR RAINFALL TOTAL |
| Sep 29, 1:15 PM EDT | HEAVY RAIN 1.36 | Bloomfield Hills, MI | 6 HOUR RAINFALL TOTAL |
| Sep 29, 2:00 PM EDT | HEAVY RAIN 2.46 | Commerce, MI | 24 HOUR TOTAL |
| Sep 29, 2:00 PM EDT | HEAVY RAIN 4.5 | 6 Nne Downtown Detroit, MI | 24 HOUR TOTAL AT DETROIT CITY AIRPORT /KDET/ |
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, 2.2 hours before the alert went out and 47 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
- 2 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 488 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
829
WGUS53 KDTX 291412
FFWDTX
MIC099-125-163-291815-
/O.NEW.KDTX.FF.W.0004.160929T1412Z-160929T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1012 AM EDT THU SEP 29 2016
THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WAYNE COUNTY IN SOUTHEASTERN MICHIGAN...
SOUTHWESTERN MACOMB COUNTY IN SOUTHEASTERN MICHIGAN...
SOUTHEASTERN OAKLAND COUNTY IN SOUTHEASTERN MICHIGAN...
* UNTIL 215 PM EDT
* AT 1009 AM EDT...DOPPLER RADAR SHOWED A PERSISTENT REGION OF
MODERATE TO HEAVY RAINFALL ACROSS THE WARNED AREA. UP TO THREE
INCHES OF RAIN HAVE ALREADY FALLEN. THIS MAY LEAD TO AREAS OF
FLASH FLOODING ACROSS THE DETROIT METRO AREA.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WARREN...LIVONIA...TROY...SOUTHFIELD...TAYLOR...ST. CLAIR SHORES...
PONTIAC...NOVI...ROMULUS...GROSSE POINTE...DOWNTOWN DETROIT...
CANTON...DETROIT...STERLING HEIGHTS...DEARBORN...ROYAL OAK...
WYANDOTTE...BIRMINGHAM...NORTHVILLE AND WEST BLOOMFIELD.
ADDITIONAL RAINFALL AMOUNTS OF ONE TO LOCALLY TWO INCHES ARE
EXPECTED IN THE WARNED AREA THROUGH 2 PM.
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 4240 8286 4236 8288 4232 8306 4230 8309
4224 8313 4218 8313 4225 8354 4262 8355
4262 8309 4252 8287 4241 8285
$$
MR3 follow-up statements
795
WGUS73 KDTX 291540
FFSDTX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1140 AM EDT THU SEP 29 2016
MIC099-125-163-291815-
/O.CON.KDTX.FF.W.0004.000000T0000Z-160929T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAYNE MI-MACOMB MI-OAKLAND MI-
1140 AM EDT THU SEP 29 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
WAYNE...SOUTHWESTERN MACOMB AND SOUTHEASTERN OAKLAND COUNTIES...
AT 1134 AM EDT...DOPPLER RADAR CONTINUED TO SHOW A REGION OFMODERATE
TO LOCALLY HEAVY RAINFALL TRACKING ACROSS THE WARNED AREA. RADAR
ESTIMATES AND SPOTTER REPORTS INDICATE UPWARDS OF 3 TO 4 INCHES HAVE
FALLEN IN PORTIONS OF NORTHEAST WAYNE COUNTY...INCLUDING DOWNTOWN
DETROIT. THE EXCESSIVE RUNOFF WILL CONTINUE TO LEAD TO AREAS OF
FLOODING THROUGH THE EARLY AFTERNOON HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WARREN...LIVONIA...TROY...SOUTHFIELD...TAYLOR...ST. CLAIR
SHORES...NOVI...ROMULUS...GROSSE POINTE...DOWNTOWN
DETROIT...CANTON...DETROIT...STERLING HEIGHTS...DEARBORN...ROYAL
OAK...WYANDOTTE...BIRMINGHAM...NORTHVILLE...WEST BLOOMFIELD AND
WESTLAND.
ADDITIONAL RAINFALL AMOUNTS OF ONE TO LOCALLY TWO INCHES ARE POSSIBLE
IN THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4237 8287 4236 8289 4232 8306 4230 8309
4224 8313 4218 8313 4225 8354 4262 8355
4255 8309 4251 8287 4241 8285
$$
MR114
WGUS73 KDTX 291651
FFSDTX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1251 PM EDT THU SEP 29 2016
MIC099-291657-
/O.CAN.KDTX.FF.W.0004.000000T0000Z-160929T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MACOMB MI-
1251 PM EDT THU SEP 29 2016
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN MACOMB COUNTY IS
CANCELLED...
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 4236 8289 4232 8306 4230 8309 4224 8313
4218 8313 4225 8354 4254 8354 4246 8308
4245 8308 4245 8287 4241 8285
$$
MIC125-163-291815-
/O.CON.KDTX.FF.W.0004.000000T0000Z-160929T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAYNE MI-OAKLAND MI-
1251 PM EDT THU SEP 29 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
WAYNE AND SOUTHEASTERN OAKLAND COUNTIES...
AT 1247 PM EDT...DOPPLER RADAR CONTINUED TO SHOW POCKETS OF MODERATE
RAINFALL LIFTING ACROSS THE AREA. WHILE THE HEAVIEST RAINFALL IS
DIMINISHING IN COVERAGE...RADAR ESTIMATES AND SPOTTER REPORTS SHOW
UPWARDS OF 3 TO 4 INCHES HAVE FALLEN IN PORTIONS OF NORTHEAST WAYNE
COUNTY...INCLUDING DOWNTOWN DETROIT. THE EXCESSIVE RUNOFF WILL
MAINTAIN SOME AREAS OF FLOODING THROUGH THE EARLY AFTERNOON HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WARREN...LIVONIA...SOUTHFIELD...TAYLOR...NOVI...ROMULUS...
GROSSE POINTE...DOWNTOWN DETROIT...CANTON...DETROIT...DEARBORN...
WYANDOTTE...NORTHVILLE...WESTLAND...FARMINGTON HILLS...
DEARBORN HEIGHTS...LINCOLN PARK...SOUTHGATE...
OAK PARK AND ALLEN PARK.
ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH ARE POSSIBLE IN
THE WARNED AREA THROUGH 2 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4236 8289 4232 8306 4230 8309 4224 8313
4218 8313 4225 8354 4254 8354 4246 8308
4245 8308 4245 8287 4241 8285
$$
MR159
WGUS73 KDTX 291738
FFSDTX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
138 PM EDT THU SEP 29 2016
MIC125-163-291746-
/O.CAN.KDTX.FF.W.0004.000000T0000Z-160929T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAYNE MI-OAKLAND MI-
138 PM EDT THU SEP 29 2016
...THE FLASH FLOOD WARNING FOR WAYNE AND SOUTHEASTERN OAKLAND
COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS ENDED. ADDITIONAL FLASH FLOODING IS NOT EXPECTED
THIS AFTERNOON. PERIODS OF LIGHT TO MODERATE RAIN WILL CONTINUE TO
TRACK ACROSS THE REGION LATE TODAY. ADDITIONAL RAINFALL IS EXPECTED
AGAIN TONIGHT AND FRIDAY...WHICH COULD RESULT IN ADDITIONAL
FLOODING. A FLOOD WATCH IS IN EFFECT THROUGH FRIDAY EVENING.
LAT...LON 4236 8289 4232 8306 4230 8309 4224 8313
4218 8313 4225 8354 4254 8354 4246 8308
4245 8308 4245 8287 4241 8285
$$
MRThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 8:20 PM EDT | Special Weather Statement | DTX | Saint Clair | 55 min |
| Sep 29, 6:21 AM EDT | Areal Flood Advisory | DTX | Livingston, Macomb, Oakland, Washtenaw, Wayne | 3 hr |
| Sep 29, 7:20 AM EDT | Flash Flood Warning | DTX | Macomb, Oakland, Wayne | 3 hr |
| Sep 29, 9:11 AM EDT | Areal Flood Advisory | DTX | Livingston, Macomb, Oakland, Washtenaw | 4 hr |
| Sep 29, 11:58 AM EDT | Flood Watch | DTX | Genesee, Lapeer, Livingston, Macomb, Oakland, Saint Clair and 3 more | 32 hr |
| Sep 29, 4:07 PM EDT | River Flood Warning | DTX | Macomb | 27 hr |
Nearby
Flash Flood Warnings in Michigan, 2016Every flash flood warning in 2016
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.