Alert archive / Michigan / Areal Flood Warnings in 2021
Areal Flood Warning 3, NWS Detroit, MI
NWS Detroit, MI issued this areal flood warning at Jun 26, 2021, 5:54 AM EDT for Washtenaw County, Wayne County, Michigan. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 26, 2021, 5:54 AM EDT (09:54 UTC)
- Expired
- Jun 26, 2021, 3:50 PM EDT
- In force
- 10 hr
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Washtenaw County, MI, Wayne County, MI
The radar
The Detroit radar (KDTX), 48 km from the middle of the area, began a volume at 09:52 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 00:00Z, 9.9 hours before the alert went out and 51 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
- 289 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
What forecasters said that day
The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before this areal flood warning went out at Jun 26, 4:01 AM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Jun 26, 4:01 AM EDT, 1 hour 53 minutes before
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</html>Hazardous weather outlook, Jun 26, 4:23 AM EDT, 1 hour 31 minutes before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 423 AM EDT Sat Jun 26 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-270900- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 423 AM EDT Sat Jun 26 2021 This hazardous weather outlook is for portions of southeast Michigan. .DAY ONE...Today and Tonight A Flood Watch is in effect through tonight. Refer to the latest urgent weather message for additional information. There is a Slight Risk of severe weather today for most of Southeast Michigan with a Marginal Risk south of a line from about Port Huron to Adrian. Damaging wind gusts to 60 mph will be the primary threat with these storms. Secondary threats include an isolated tornado or two and large hail. Storm motion will be northeast around 45 mph. .DAYS TWO THROUGH SEVEN...Sunday through Friday Active stretch of weather continues on Sunday with a Marginal Risk of severe storms. The main threat for thunderstorm activity will be damaging wind gusts to 60 mph and torrential rainfall which could lead to localized flooding concerns. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-270900- Lake St Clair- Michigan Waters of Lake Erie from Detroit River to North Cape MI- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 423 AM EDT Sat Jun 26 2021 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight There is a Slight Risk of severe weather today for most of Southeast Michigan with a Marginal Risk south of a line from about Port Huron to Adrian. Damaging wind gusts to 50 knots will be the primary threat with these storms. Secondary threats include an isolated waterspout or two and large hail. Storm motion will be northeast around 45 mph. .DAYS TWO THROUGH SEVEN...Sunday through Friday Active stretch of weather continues on Sunday with a Marginal Risk of severe storms. The main threat for thunderstorm activity will be damaging wind gusts to 60 mph. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. DRK
In the hours before
Local storm report, Jun 26, 12:04 AM EDT, 5 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
National Weather Service Detroit/Pontiac MI
1204 AM EDT SAT JUN 26 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1202 AM HEAVY RAIN SOUTHGATE 42.20N 83.21W
06/26/2021 M1.64 INCH WAYNE MI TRAINED SPOTTER
17 HOUR RAINFALL TOTAL.
&&
XXLocal storm report, Jun 26, 12:49 AM EDT, 5 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1249 AM EDT SAT JUN 26 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1238 AM FLOOD ANN ARBOR 42.28N 83.73W
06/26/2021 WASHTENAW MI EMERGENCY MNGR
EMERGENCY MANAGEMENT REPORTS AROUND A DOZEN ROADS
IMPASSIBLE AROUND THE SOUTH SIDE OF ANN ARBOR. SOME ROADS
WITH 12 TO 18 INCHES OF WATER ACROSS THEM.
1245 AM FLOOD YPSILANTI 42.24N 83.62W
06/26/2021 WASHTENAW MI EMERGENCY MNGR
EMERGENCY MANAGEMENT REPORTS NUMEROUS ROADS IMPASSIBLE IN
BOTH YPSILANTI CITY AND YPSILANTI TOWNSHIP
1245 AM FLOOD PITTSFIELD TOWNSHIP 42.20N 83.70W
06/26/2021 WASHTENAW MI EMERGENCY MNGR
EMERGENCY MANAGEMENT REPORTS NUMEROUS ROADS IMPASSIBLE IN
PITTSFIELD TOWNSHIP.
&&
DKOOKThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 8:02 PM EDT | Special Weather Statement | DTX | Macomb | 28 min |
| Jun 25, 8:12 PM EDT | Special Weather Statement | DTX | Lapeer | 78 min |
| Jun 25, 8:32 PM EDT | Special Marine Warning | DTX | 73 min | |
| Jun 26, 12:15 AM EDT | Areal Flood Advisory | DTX | Washtenaw, Wayne | 3 hr |
| Jun 26, 12:58 AM EDT | Flash Flood Warning | DTX | Washtenaw, Wayne | 5 hr |
| Jun 26, 2:20 AM EDT | Areal Flood Advisory | DTX | Macomb, Oakland, Saint Clair | 3 hr |
| Jun 26, 2:51 AM EDT | River Flood Warning | DTX | Wayne | 36 hr |
| Jun 26, 2:52 AM EDT | River Flood Warning | DTX | Wayne | 36 hr |
| Jun 26, 3:15 AM EDT | River Flood Warning | DTX | Wayne | 32 hr |
| Jun 26, 4:00 AM EDT | Flood Watch | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 22 hr |
| Jun 26, 8:57 AM EDT | River Flood Warning | DTX | Macomb | 17 hr |
| Jun 26, 9:45 AM EDT | Marine Dense Fog Advisory | DTX | 24 hr | |
| Jun 26, 2:53 PM EDT | Small Craft Advisory | DTX | 7 hr | |
| Jun 26, 3:05 PM EDT | Special Weather Statement | DTX | Sanilac | 40 min |
| Jun 26, 3:12 PM EDT | Special Marine Warning | DTX | 78 min | |
| Jun 26, 3:44 PM EDT | Special Weather Statement | DTX | Bay | 46 min |
| Jun 26, 4:16 PM EDT | Special Marine Warning | DTX | 59 min | |
| Jun 26, 4:45 PM EDT | Tornado Warning | DTX | Bay | 30 min |
| Jun 26, 5:07 PM EDT | Special Marine Warning | DTX | 47 min | |
| Jun 26, 5:32 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 58 min |
| Jun 26, 5:37 PM EDT | Special Marine Warning | DTX | 53 min | |
| Jun 26, 5:42 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 50 min |
| Jun 26, 6:05 PM EDT | Tornado Warning | DTX | Shiawassee | 55 min |
| Jun 26, 6:10 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 80 min |
| Jun 26, 6:17 PM EDT | Tornado Warning | DTX | Genesee | 43 min |
| Jun 26, 6:41 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 79 min |
| Jun 26, 6:43 PM EDT | Tornado Warning | DTX | Genesee | 42 min |
| Jun 26, 6:49 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 43 min |
| Jun 26, 7:38 PM EDT | Tornado Warning | DTX | Livingston | 35 min |
| Jun 26, 7:55 PM EDT | Special Weather Statement | DTX | Lapeer, Oakland | 65 min |
Nearby
Areal Flood Warnings in Michigan, 2021Every areal flood warning in 2021
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.