Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 61, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 24, 2021, 8:58 PM EDT for Monroe County, Michigan. It was in force for 77 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
- Jul 24, 2021, 8:58 PM EDT (00:58 UTC)
- Expired
- Jul 24, 2021, 10:15 PM EDT
- In force
- 77 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Monroe County, MI
The radar
The Detroit radar (KDTX), 90 km from the middle of the area, began a volume at 00:57 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 |
|---|---|---|---|
| Jul 24, 3:16 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.0 hours before the alert went out and 277 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
- 1517 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
047
WUUS53 KDTX 250058
SVRDTX
MIC115-250215-
/O.NEW.KDTX.SV.W.0061.210725T0058Z-210725T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Detroit/Pontiac MI
858 PM EDT Sat Jul 24 2021
The National Weather Service in Detroit/Pontiac has issued a
* Severe Thunderstorm Warning for...
Monroe County in southeastern Michigan...
* Until 1015 PM EDT.
* At 858 PM EDT, severe thunderstorms were located along a line
extending from near Belleville to near Manchester, moving east at
40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Flat Rock around 915 PM EDT.
Other locations in the path of these severe thunderstorms include
Milan, Dundee, Ida, Maybee, Monroe and Luna Pier.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4172 8346 4173 8346 4172 8376 4208 8377
4209 8329 4203 8320 4204 8319 4202 8314
4201 8314 4197 8316 4190 8324 4190 8330
4184 8335 4172 8341
TIME...MOT...LOC 0058Z 290DEG 42KT 4226 8352 4211 8405
HAIL...<.75IN
WIND...60MPH
$$
KDK5 follow-up statements
321
WWUS53 KDTX 250113
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
913 PM EDT Sat Jul 24 2021
MIC115-250215-
/O.CON.KDTX.SV.W.0061.000000T0000Z-210725T0215Z/
Monroe MI-
913 PM EDT Sat Jul 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR MONROE COUNTY...
At 913 PM EDT, severe thunderstorms were located along a line
extending from Romulus to near Maybee to near Milan, moving east at
45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Flat Rock around 920 PM EDT.
Carleton around 925 PM EDT.
Ida around 930 PM EDT.
Monroe around 940 PM EDT.
Other locations impacted by these severe thunderstorms include
Newport, Cone, Estral Beach, Toledo Beach, Erie, South Rockwood,
Woodland Beach, Stony Point, Bolles Harbor and Samaria.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4172 8346 4173 8346 4172 8376 4208 8377
4209 8329 4203 8320 4204 8319 4202 8314
4201 8314 4197 8316 4190 8324 4190 8330
4184 8335 4172 8341
TIME...MOT...LOC 0113Z 283DEG 37KT 4221 8333 4206 8355 4205 8376
HAIL...<.75IN
WIND...60MPH
$$
TF744
WWUS53 KDTX 250128
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
928 PM EDT Sat Jul 24 2021
MIC115-250215-
/O.CON.KDTX.SV.W.0061.000000T0000Z-210725T0215Z/
Monroe MI-
928 PM EDT Sat Jul 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR MONROE COUNTY...
At 928 PM EDT, severe thunderstorms were located along a line
extending from near Flat Rock to near Maybee to near Milan, moving
southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Monroe around 945 PM EDT.
Luna Pier around 950 PM EDT.
Carleton around 1000 PM EDT.
Other locations impacted by these severe thunderstorms include
Newport, Cone, Estral Beach, Toledo Beach, Erie, South Rockwood,
Woodland Beach, Stony Point, Bolles Harbor and Samaria.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4172 8346 4173 8346 4172 8376 4208 8377
4209 8329 4203 8320 4204 8319 4202 8314
4201 8314 4197 8316 4190 8324 4190 8330
4184 8335 4172 8341
TIME...MOT...LOC 0128Z 294DEG 26KT 4202 8325 4199 8357 4206 8372
HAIL...<.75IN
WIND...60MPH
$$
TF538
WWUS53 KDTX 250149
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
949 PM EDT Sat Jul 24 2021
MIC115-250215-
/O.CON.KDTX.SV.W.0061.000000T0000Z-210725T0215Z/
Monroe MI-
949 PM EDT Sat Jul 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR MONROE COUNTY...
At 949 PM EDT, a severe thunderstorm was located over Monroe, moving
southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
Monroe County, including the following locations... Newport, Estral
Beach, Toledo Beach, Erie, Woodland Beach, Stony Point, Bolles
Harbor, Samaria, Azalia and Scofield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4173 8346 4172 8376 4203 8377 4207 8329
4197 8316 4190 8324 4190 8330 4182 8337
4172 8341
TIME...MOT...LOC 0149Z 298DEG 25KT 4192 8340
HAIL...<.75IN
WIND...60MPH
$$
TF385
WWUS53 KDTX 250205
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
1005 PM EDT Sat Jul 24 2021
MIC115-250215-
/O.CON.KDTX.SV.W.0061.000000T0000Z-210725T0215Z/
Monroe MI-
1005 PM EDT Sat Jul 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR SOUTHERN MONROE COUNTY...
At 1004 PM EDT, severe thunderstorms were located along a line
extending from 10 miles southeast of Monroe to near Maybee to near
Ottawa Lake, moving southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Monroe, Dundee, Temperance, Ida, Luna Pier, Petersburg, Lambertville,
Ottawa Lake, La Salle, Erie, Estral Beach, Toledo Beach, Woodland
Beach, Stony Point, Bolles Harbor, Samaria and Detroit Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4173 8346 4172 8376 4194 8376 4197 8359
4199 8335 4197 8317 4190 8324 4190 8330
4182 8337 4172 8341
TIME...MOT...LOC 0204Z 303DEG 26KT 4184 8320 4199 8355 4180 8377
HAIL...<.75IN
WIND...60MPH
$$
TF181
WWUS53 KDTX 250211
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
1011 PM EDT Sat Jul 24 2021
MIC115-250221-
/O.EXP.KDTX.SV.W.0061.000000T0000Z-210725T0215Z/
Monroe MI-
1011 PM EDT Sat Jul 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MONROE COUNTY WILL
EXPIRE AT 1015 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Detroit/Pontiac.
LAT...LON 4173 8346 4172 8376 4194 8376 4197 8359
4199 8335 4197 8317 4190 8324 4190 8330
4182 8337 4172 8341
TIME...MOT...LOC 0211Z 290DEG 42KT 4182 8311 4197 8346 4178 8368
$$
TFThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 8:01 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 59 min |
| Jul 24, 8:07 PM EDT | Tornado Warning | DTX | Macomb, Saint Clair | 12 min |
| Jul 24, 8:14 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw, Wayne | 76 min |
| Jul 24, 8:23 PM EDT | Special Marine Warning | DTX | 67 min | |
| Jul 24, 8:26 PM EDT | Special Marine Warning | DTX | 64 min | |
| Jul 24, 8:45 PM EDT | Flash Flood Warning | DTX | Macomb, Oakland | 4 hr |
| Jul 24, 8:50 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 55 min |
| Jul 24, 8:59 PM EDT | Flash Flood Warning | DTX | Wayne | 4 hr |
| Jul 24, 9:06 PM EDT | Special Marine Warning | DTX | 69 min | |
| Jul 24, 9:27 PM EDT | Special Marine Warning | DTX | 20 min | |
| Jul 24, 9:30 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 16 min |
| Jul 24, 9:41 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 44 min |
| Jul 25, 4:03 AM EDT | Dense Fog Advisory | DTX | Huron, Lapeer, Lenawee, Livingston, Macomb, Monroe and 6 more | 5 hr |
| Jul 25, 8:12 AM EDT | River Flood Warning | DTX | Wayne | 23 hr |
Nearby
Severe Thunderstorm Warnings in Michigan, 2021Every severe thunderstorm 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.