Alert archive / Michigan / Tornado Warnings in 2021
Tornado Warning 15, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Sep 7, 2021, 8:56 PM EDT for Monroe County, Michigan. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2021, 8:56 PM EDT (00:56 UTC)
- Expired
- Sep 7, 2021, 9:22 PM EDT
- In force
- 26 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Monroe County, MI
The radar
The Detroit radar (KDTX), 72 km from the middle of the area, began a volume at 00:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 7, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.9 hours before the alert went out and 297 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
- 6 J/kg
- Mixed-layer CIN
- -332 J/kg
- Mixed-layer LCL
- 1474 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
767
WFUS53 KDTX 080056
TORDTX
MIC115-080145-
/O.NEW.KDTX.TO.W.0015.210908T0056Z-210908T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Detroit/Pontiac MI
856 PM EDT Tue Sep 7 2021
The National Weather Service in Detroit/Pontiac has issued a
* Tornado Warning for...
Northern Monroe County in southeastern Michigan...
* Until 945 PM EDT.
* At 856 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Dundee, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Maybee around 905 PM EDT.
Carleton around 915 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Newport, Cone, Azalia, Estral Beach, Scofield, South Rockwood,
Oakville, Stony Point, Woodland Beach and Gibraltar.
This includes the following highways...
I-75 between mile markers 17 and 26.
I-275 between mile markers 1 and 7.
US-23 between mile markers 18 and 25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4197 8376 4208 8376 4209 8329 4207 8327
4203 8319 4208 8319 4214 8318 4215 8317
4209 8317 4209 8315 4216 8313 4215 8313
4212 8312 4205 8315 4199 8313 4194 8320
TIME...MOT...LOC 0056Z 264DEG 42KT 4200 8364
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
AM3 follow-up statements
547
WWUS53 KDTX 080105
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
905 PM EDT Tue Sep 7 2021
MIC115-080145-
/O.CON.KDTX.TO.W.0015.000000T0000Z-210908T0145Z/
Monroe MI-
905 PM EDT Tue Sep 7 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR
NORTHEASTERN MONROE COUNTY...
At 905 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Maybee, or near Dundee, moving east at 40 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Carleton around 920 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Newport, Scofield, South Rockwood, Estral Beach and Gibraltar.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4204 8363 4209 8346 4209 8329 4207 8327
4203 8319 4203 8318 4208 8319 4209 8317
4208 8315 4204 8315 4201 8313 4199 8314
4199 8362
TIME...MOT...LOC 0105Z 255DEG 34KT 4202 8357
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
AM053
WWUS53 KDTX 080112
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
912 PM EDT Tue Sep 7 2021
MIC115-080145-
/O.CON.KDTX.TO.W.0015.000000T0000Z-210908T0145Z/
Monroe MI-
912 PM EDT Tue Sep 7 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR
NORTHEASTERN MONROE COUNTY...
At 912 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Maybee, or near Carleton, moving east at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Carleton around 920 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Newport, Scofield, South Rockwood, Estral Beach and Gibraltar.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4199 8349 4205 8350 4209 8346 4209 8329
4207 8327 4203 8319 4203 8318 4208 8319
4209 8317 4208 8315 4204 8315 4201 8313
4199 8314
TIME...MOT...LOC 0112Z 262DEG 30KT 4203 8346
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
AM284
WWUS53 KDTX 080122
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
922 PM EDT Tue Sep 7 2021
MIC115-080132-
/O.CAN.KDTX.TO.W.0015.000000T0000Z-210908T0145Z/
Monroe MI-
922 PM EDT Tue Sep 7 2021
...THE TORNADO WARNING FOR NORTHEASTERN MONROE COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southeastern Michigan.
LAT...LON 4199 8349 4205 8350 4209 8346 4209 8329
4207 8327 4203 8319 4203 8318 4208 8319
4209 8317 4208 8315 4204 8315 4201 8313
4199 8314
TIME...MOT...LOC 0120Z 264DEG 42KT 4204 8330
$$
AMThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 8:30 PM EDT | Special Weather Statement | DTX | Lenawee, Monroe, Wayne | 60 min |
| Sep 7, 8:46 PM EDT | Special Marine Warning | DTX | 89 min | |
| Sep 7, 9:00 PM EDT | High Wind Warning | DTX | Livingston, Macomb, Oakland, Saint Clair, Washtenaw, Wayne | 94 min |
| Sep 7, 9:00 PM EDT | Special Marine Warning | DTX | 75 min | |
| Sep 7, 10:10 PM EDT | Small Craft Advisory | DTX | 18 hr |
Nearby
Tornado Warnings in Michigan, 2021Every tornado warning in 2021Tornadoes 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.