Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 14, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jun 21, 2021, 3:35 AM EDT for Lenawee County, Michigan. It was in force for 40 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
- Jun 21, 2021, 3:35 AM EDT (07:35 UTC)
- Expired
- Jun 21, 2021, 4:15 AM EDT
- In force
- 40 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Lenawee County, MI
The radar
The Detroit radar (KDTX), 101 km from the middle of the area, began a volume at 07:35 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 |
|---|---|---|---|
| Jun 21, 1:00 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 7.6 hours before the alert went out and 105 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
- 133 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1501 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
051 WUUS53 KDTX 210735 SVRDTX MIC091-210815- /O.NEW.KDTX.SV.W.0014.210621T0735Z-210621T0815Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Detroit/Pontiac MI 335 AM EDT Mon Jun 21 2021 The National Weather Service in Detroit/Pontiac has issued a * Severe Thunderstorm Warning for... Lenawee County in southeastern Michigan... * Until 415 AM EDT. * At 335 AM EDT, severe thunderstorms were located along a line extending from near Cement City to Clayton to near Morenci, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Onsted around 340 AM EDT. Adrian around 350 AM EDT. Tecumseh around 355 AM EDT. Blissfield around 400 AM EDT. Britton around 405 AM EDT. Deerfield around 410 AM EDT. Other locations impacted by these severe thunderstorms include Seneca, Manitou Beach-Devils Lake, Macon, Lime Creek, Munson, Ogden Center, Canandaigua, Ridgeway, Palmyra and Tipton. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4207 8436 4208 8378 4172 8376 4171 8436 TIME...MOT...LOC 0735Z 255DEG 45KT 4204 8430 4188 8426 4171 8426 HAIL...<.75IN WIND...60MPH $$ Mann
3 follow-up statements
861 WWUS53 KDTX 210746 SVSDTX Severe Weather Statement National Weather Service Detroit/Pontiac MI 346 AM EDT Mon Jun 21 2021 MIC091-210815- /O.CON.KDTX.SV.W.0014.000000T0000Z-210621T0815Z/ Lenawee MI- 346 AM EDT Mon Jun 21 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM EDT FOR LENAWEE COUNTY... At 346 AM EDT, severe thunderstorms were located along a line extending from near Onsted to Adrian to 7 miles east of Morenci, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Tecumseh around 355 AM EDT. Blissfield around 400 AM EDT. Deerfield and Britton around 405 AM EDT. Other locations impacted by these severe thunderstorms include Seneca, Macon, Ogden Center, Canandaigua, Ridgeway, Palmyra, Tipton, Sand Creek, Rome Center and Jasper. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4207 8428 4208 8378 4172 8376 4171 8424 TIME...MOT...LOC 0746Z 258DEG 43KT 4206 8411 4190 8407 4173 8407 HAIL...<.75IN WIND...60MPH $$ TF
268 WWUS53 KDTX 210757 SVSDTX Severe Weather Statement National Weather Service Detroit/Pontiac MI 357 AM EDT Mon Jun 21 2021 MIC091-210815- /O.CON.KDTX.SV.W.0014.000000T0000Z-210621T0815Z/ Lenawee MI- 357 AM EDT Mon Jun 21 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM EDT FOR EASTERN LENAWEE COUNTY... At 356 AM EDT, severe thunderstorms were located along a line extending from near Clinton to near Deerfield to near Ottawa Lake, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Deerfield around 400 AM EDT. Other locations impacted by these severe thunderstorms include Jasper, Macon, Ogden Center, Riga, Ridgeway, Palmyra, Fairfield, Tipton and Holloway. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4207 8412 4208 8378 4172 8376 4171 8407 TIME...MOT...LOC 0756Z 260DEG 47KT 4207 8389 4191 8385 4174 8385 HAIL...<.75IN WIND...60MPH $$ TF
376
WWUS53 KDTX 210811
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
411 AM EDT Mon Jun 21 2021
MIC091-210821-
/O.EXP.KDTX.SV.W.0014.000000T0000Z-210621T0815Z/
Lenawee MI-
411 AM EDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LENAWEE COUNTY WILL
EXPIRE AT 415 AM EDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 600 AM EDT for
southeastern Michigan.
LAT...LON 4207 8412 4208 8378 4172 8376 4171 8407
TIME...MOT...LOC 0811Z 255DEG 45KT 4211 8368 4195 8364 4178 8364
$$
TFThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:35 PM EDT | Special Marine Warning | DTX | 55 min | |
| Jun 20, 8:45 PM EDT | Special Weather Statement | DTX | Wayne | 60 min |
| Jun 20, 8:53 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 67 min |
| Jun 20, 9:02 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 58 min |
| Jun 20, 9:12 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 63 min |
| Jun 20, 9:20 PM EDT | Special Marine Warning | DTX | 85 min | |
| Jun 20, 9:23 PM EDT | Special Marine Warning | DTX | 45 min | |
| Jun 20, 9:34 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Shiawassee | 44 min |
| Jun 20, 9:42 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe, Washtenaw, Wayne | 63 min |
| Jun 20, 9:56 PM EDT | Special Weather Statement | DTX | Macomb | 64 min |
| Jun 20, 10:07 PM EDT | Special Weather Statement | DTX | Genesee | 53 min |
| Jun 20, 10:14 PM EDT | Special Weather Statement | DTX | Oakland | 61 min |
| Jun 20, 10:25 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 41 min |
| Jun 20, 10:42 PM EDT | Special Marine Warning | DTX | 93 min | |
| Jun 20, 10:44 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 61 min |
| Jun 20, 10:54 PM EDT | Special Weather Statement | DTX | Washtenaw | 51 min |
| Jun 20, 11:09 PM EDT | Special Weather Statement | DTX | Lapeer, Saint Clair, Sanilac | 51 min |
| Jun 20, 11:36 PM EDT | Special Weather Statement | DTX | Monroe | 39 min |
| Jun 20, 11:39 PM EDT | Special Marine Warning | DTX | 66 min | |
| Jun 21, 1:09 AM EDT | Special Weather Statement | DTX | Lenawee, Monroe | 51 min |
| Jun 21, 3:15 AM EDT | Special Weather Statement | DTX | Lenawee, Livingston, Washtenaw | 60 min |
| Jun 21, 3:54 AM EDT | Severe Thunderstorm Warning | DTX | Monroe | 51 min |
| Jun 21, 3:56 AM EDT | Special Marine Warning | DTX | 35 min | |
| Jun 21, 4:01 AM EDT | Special Weather Statement | DTX | Macomb, Oakland, Washtenaw, Wayne | 59 min |
| Jun 21, 4:58 AM EDT | Special Weather Statement | DTX | Macomb, Saint Clair | 62 min |
| Jun 21, 5:01 AM EDT | Special Marine Warning | DTX | 34 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.