Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 28, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jun 20, 2021, 8:11 PM EDT for Branch County, Saint Joseph County, Michigan. It was in force for 37 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 20, 2021, 8:11 PM EDT (00:11 UTC)
- Expired
- Jun 20, 2021, 8:48 PM EDT
- In force
- 37 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Branch County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 76 km from the middle of the area, began a volume at 00:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 8:15 PM EDT | TSTM WND DMG | Coldwater, MI | TREE LIMBS OF UNKNOWN SIZE DOWN ALONG US-12. |
| Jun 20, 8:22 PM EDT | TSTM WND DMG | 3 Se Girard, MI | REPORT FROM MPING: TREES UPROOTED OR SNAPPED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 20, 6:06 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 0.2 hours before the alert went out and 167 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.
020
WUUS53 KIWX 210011
SVRIWX
MIC023-149-210100-
/O.NEW.KIWX.SV.W.0028.210621T0011Z-210621T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
811 PM EDT Sun Jun 20 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Eastern St. Joseph County in southwestern Michigan...
Branch County in southwestern Michigan...
* Until 900 PM EDT.
* At 810 PM EDT, severe thunderstorms were located along a line
extending from 6 miles west of Union City to near Bronson to 8
miles east of Sturgis, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Fire department reported power lines down in Sturgis near
800 PM EDT.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Coldwater, Bronson, Quincy, Union City, Colon, Ray, Girard,
Kinderhook, Fawn River, Batavia, Leonidas, California, Mendon, Burr
Oak, Gilead, Sherwood, East Gilead, Fairfax, South Butler and
Marble Lake.
This includes Interstate 69 in Michigan between mile markers 1 and
21.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4176 8483 4176 8535 4190 8537 4207 8550
4207 8483
TIME...MOT...LOC 0010Z 246DEG 42KT 4210 8526 4192 8524 4177 8527
HAIL...0.75IN
WIND...60MPH
$$
Brown3 follow-up statements
426 WWUS53 KIWX 210028 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 828 PM EDT Sun Jun 20 2021 MIC149-210036- /O.CAN.KIWX.SV.W.0028.000000T0000Z-210621T0100Z/ St. Joseph MI- 828 PM EDT Sun Jun 20 2021 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ST. JOSEPH COUNTY IS CANCELLED... The storms which prompted the warning have weakened and moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 100 AM EDT for southwestern Michigan. LAT...LON 4207 8483 4182 8483 4183 8514 4207 8530 TIME...MOT...LOC 0026Z 245DEG 42KT 4216 8508 4198 8506 4184 8509 $$ MIC023-210100- /O.CON.KIWX.SV.W.0028.000000T0000Z-210621T0100Z/ Branch MI- 828 PM EDT Sun Jun 20 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR BRANCH COUNTY... At 826 PM EDT, severe thunderstorms were located along a line extending from near Burlington to near Coldwater to near Bronson, moving northeast at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Coldwater, Quincy, Union City, Girard, Batavia, Sherwood, South Butler, Marble Lake, Matteson Lake, Lake Of The Woods and Hodunk. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4207 8483 4182 8483 4183 8514 4207 8530 TIME...MOT...LOC 0026Z 245DEG 42KT 4216 8508 4198 8506 4184 8509 HAIL...0.75IN WIND...60MPH $$ Brown
311 WWUS53 KIWX 210040 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 840 PM EDT Sun Jun 20 2021 MIC023-210100- /O.CON.KIWX.SV.W.0028.000000T0000Z-210621T0100Z/ Branch MI- 840 PM EDT Sun Jun 20 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR NORTHEASTERN BRANCH COUNTY... At 839 PM EDT, severe thunderstorms were located along a line extending from near Marshall to 6 miles west of Litchfield to near Quincy, moving northeast at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Coldwater, Quincy, Union City, Girard, South Butler, Marble Lake and Hodunk. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4207 8483 4187 8483 4187 8505 4207 8522 TIME...MOT...LOC 0039Z 246DEG 42KT 4222 8489 4204 8487 4190 8491 HAIL...0.75IN WIND...60MPH $$ Brown
498
WWUS53 KIWX 210048
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
848 PM EDT Sun Jun 20 2021
MIC023-210058-
/O.CAN.KIWX.SV.W.0028.000000T0000Z-210621T0100Z/
Branch MI-
848 PM EDT Sun Jun 20 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BRANCH COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
southwestern Michigan.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Northern Indiana.
LAT...LON 4207 8483 4187 8483 4187 8505 4207 8522
TIME...MOT...LOC 0046Z 246DEG 42KT 4226 8478 4208 8476 4194 8480
$$
BrownThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:57 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 33 min |
| Jun 20, 9:38 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 52 min |
| Jun 20, 9:57 PM EDT | Tornado Warning | IWX | Branch, Hillsdale | 33 min |
| Jun 20, 10:15 PM EDT | Tornado Warning | IWX | Branch, Hillsdale | 45 min |
| Jun 20, 10:57 PM EDT | Special Weather Statement | IWX | Berrien | 33 min |
| Jun 20, 11:37 PM EDT | Special Weather Statement | IWX | Cass | 23 min |
| Jun 20, 11:47 PM EDT | Special Weather Statement | IWX | Cass | 28 min |
| Jun 21, 12:37 AM EDT | Severe Thunderstorm Warning | IWX | Berrien | 38 min |
| Jun 21, 12:47 AM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 43 min |
| Jun 21, 1:26 AM EDT | Tornado Warning | IWX | Berrien, Cass, Saint Joseph | 34 min |
| Jun 21, 1:30 AM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 45 min |
| Jun 21, 1:58 AM EDT | Severe Thunderstorm Warning | IWX | Branch, Cass, Saint Joseph | 34 min |
| Jun 21, 2:35 AM EDT | Special Weather Statement | IWX | Branch, Hillsdale | 55 min |
| Jun 21, 2:49 AM EDT | Special Weather Statement | IWX | Branch, Hillsdale | 26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.