Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 27, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 6, 2021, 10:16 PM EDT for Lapeer County, Tuscola County, Michigan. It was in force for 45 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 6, 2021, 10:16 PM EDT (02:16 UTC)
- Expired
- Jul 6, 2021, 11:01 PM EDT
- In force
- 45 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Lapeer County, MI, Tuscola County, MI
The radar
The Detroit radar (KDTX), 65 km from the middle of the area, began a volume at 02:17 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, 2.3 hours before the alert went out and 62 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
- 680 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1346 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
876
WUUS53 KDTX 070216
SVRDTX
MIC087-157-070315-
/O.NEW.KDTX.SV.W.0027.210707T0216Z-210707T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Detroit/Pontiac MI
1016 PM EDT Tue Jul 6 2021
The National Weather Service in Detroit/Pontiac has issued a
* Severe Thunderstorm Warning for...
Southern Tuscola County in southeastern Michigan...
Northern Lapeer County in southeastern Michigan...
* Until 1115 PM EDT.
* At 1015 PM EDT, a severe thunderstorm was located over Otter Lake,
or near Millington, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Mayville around 1040 PM EDT.
North Branch around 1055 PM EDT.
Clifford around 1100 PM EDT.
Kingston around 1110 PM EDT.
Other locations impacted by this severe thunderstorm include East
Dayton, Burnside, Silverwood and Fostoria.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4314 8346 4322 8346 4322 8354 4332 8359
4348 8311 4333 8310 4333 8312 4329 8312
4328 8302 4321 8300
TIME...MOT...LOC 0215Z 248DEG 16KT 4325 8345
HAIL...0.75IN
WIND...60MPH
$$
SC3 follow-up statements
104
WWUS53 KDTX 070234
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
1034 PM EDT Tue Jul 6 2021
MIC087-157-070315-
/O.CON.KDTX.SV.W.0027.000000T0000Z-210707T0315Z/
Tuscola MI-Lapeer MI-
1034 PM EDT Tue Jul 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR SOUTHERN TUSCOLA AND NORTHERN LAPEER COUNTIES...
At 1034 PM EDT, a severe thunderstorm was located near Mayville,
moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
North Branch around 1055 PM EDT.
Clifford around 1100 PM EDT.
Kingston around 1110 PM EDT.
Other locations impacted by this severe thunderstorm include East
Dayton, Burnside, Silverwood and Fostoria.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4317 8340 4322 8346 4323 8349 4332 8359
4348 8311 4333 8310 4333 8312 4329 8312
4328 8302 4321 8300
TIME...MOT...LOC 0234Z 248DEG 16KT 4328 8334
HAIL...0.75IN
WIND...60MPH
$$
SC959
WWUS53 KDTX 070250
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
1050 PM EDT Tue Jul 6 2021
MIC087-157-070315-
/O.CON.KDTX.SV.W.0027.000000T0000Z-210707T0315Z/
Tuscola MI-Lapeer MI-
1050 PM EDT Tue Jul 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR SOUTHEASTERN TUSCOLA AND NORTHEASTERN LAPEER COUNTIES...
At 1049 PM EDT, a severe thunderstorm was located over Kingston, or
near Marlette, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
southeastern Tuscola and northeastern Lapeer Counties, including the
following locations... East Dayton, Burnside and Silverwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4320 8309 4323 8325 4326 8327 4341 8331
4348 8311 4333 8310 4333 8312 4329 8312
4328 8302 4321 8300
TIME...MOT...LOC 0249Z 236DEG 25KT 4341 8314
HAIL...0.75IN
WIND...60MPH
$$
SC888
WWUS53 KDTX 070301
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
1101 PM EDT Tue Jul 6 2021
MIC087-157-070311-
/O.CAN.KDTX.SV.W.0027.000000T0000Z-210707T0315Z/
Tuscola MI-Lapeer MI-
1101 PM EDT Tue Jul 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TUSCOLA AND
NORTHEASTERN LAPEER COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 4320 8309 4323 8325 4326 8327 4341 8331
4348 8311 4333 8310 4333 8312 4329 8312
4328 8302 4321 8300
TIME...MOT...LOC 0256Z 248DEG 16KT 4343 8307
$$
SCThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 8:06 PM EDT | Special Weather Statement | DTX | Saint Clair | 54 min |
| Jul 6, 8:07 PM EDT | Special Marine Warning | DTX | 53 min | |
| Jul 6, 8:26 PM EDT | Special Marine Warning | DTX | 79 min | |
| Jul 6, 9:22 PM EDT | Special Weather Statement | DTX | Saginaw | 53 min |
| Jul 6, 9:31 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 25 min |
| Jul 6, 9:37 PM EDT | Special Marine Warning | DTX | 21 min | |
| Jul 6, 9:45 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 41 min |
| Jul 6, 10:13 PM EDT | Special Weather Statement | DTX | Oakland | 62 min |
| Jul 6, 10:49 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 32 min |
| Jul 6, 10:51 PM EDT | Special Weather Statement | DTX | Oakland | 24 min |
| Jul 6, 11:00 PM EDT | Special Weather Statement | DTX | Saginaw | 30 min |
| Jul 7, 3:38 AM EDT | Small Craft Advisory | DTX | 24 hr | |
| Jul 7, 12:35 PM EDT | Special Weather Statement | DTX | Huron | 70 min |
| Jul 7, 1:43 PM EDT | Special Weather Statement | DTX | Huron | 47 min |
| Jul 7, 1:49 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 41 min |
| Jul 7, 1:54 PM EDT | Special Weather Statement | DTX | Livingston | 51 min |
| Jul 7, 2:08 PM EDT | Special Weather Statement | DTX | Lenawee | 52 min |
| Jul 7, 2:24 PM EDT | Special Marine Warning | DTX | 48 min | |
| Jul 7, 2:39 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 50 min |
| Jul 7, 2:41 PM EDT | Special Marine Warning | DTX | 65 min | |
| Jul 7, 2:47 PM EDT | Special Weather Statement | DTX | Oakland | 43 min |
| Jul 7, 2:47 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Oakland | 58 min |
| Jul 7, 2:53 PM EDT | Special Weather Statement | DTX | Saint Clair | 37 min |
| Jul 7, 2:54 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 46 min |
| Jul 7, 3:10 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 65 min |
| Jul 7, 3:11 PM EDT | Special Marine Warning | DTX | 105 min | |
| Jul 7, 3:26 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 49 min |
| Jul 7, 3:38 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 67 min |
| Jul 7, 3:51 PM EDT | Special Weather Statement | DTX | Oakland | 84 min |
| Jul 7, 4:15 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 30 min |
| Jul 7, 4:18 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 57 min |
| Jul 7, 5:07 PM EDT | Special Weather Statement | DTX | Wayne | 53 min |
| Jul 7, 5:08 PM EDT | Special Marine Warning | DTX | 68 min | |
| Jul 7, 5:09 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 51 min |
| Jul 7, 5:31 PM EDT | Areal Flood Advisory | DTX | Macomb, Oakland | 112 min |
| Jul 7, 5:44 PM EDT | Special Weather Statement | DTX | Macomb | 31 min |
| Jul 7, 7:07 PM EDT | Special Weather Statement | DTX | Monroe | 53 min |
| Jul 7, 7:22 PM EDT | Areal Flood Advisory | DTX | Genesee | 99 min |
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.