Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 8, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jun 19, 2021, 7:48 PM EDT for Cass County, Michigan. It was in force for 42 min. 1 report 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 19, 2021, 7:48 PM EDT (23:48 UTC)
- Expired
- Jun 19, 2021, 8:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Cass County, MI
The radar
The Northern Indiana radar (KIWX), 62 km from the middle of the area, began a volume at 23:48 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 19, 8:20 PM EDT | TSTM WND DMG | Eagle Lake, MI | NUMEROUS TREES AND POWERLINES DOWNED ALL ACROSS THE SOUTHERN PART OF THE COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 11.8 hours before the alert went out and 227 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
- 2433 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
528
WUUS53 KIWX 192348
SVRIWX
MIC027-200030-
/O.NEW.KIWX.SV.W.0008.210619T2348Z-210620T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
748 PM EDT Sat Jun 19 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Cass County in southwestern Michigan...
* Until 830 PM EDT.
* At 748 PM EDT, a severe thunderstorm was located near Dowagiac,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Niles, Dowagiac, Cassopolis, Edwardsburg, Union, Pokagon, Penn,
Vandalia, Dailey, La Grange, Paradise Lake, Barron Lake, Calvin
Center, Adamsville, Sumnerville, Juno Lake, Donnell Lake, Jones,
Diamond Lake and Shavehead Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4198 8578 4176 8580 4176 8593 4183 8622
4200 8621
TIME...MOT...LOC 2348Z 279DEG 20KT 4193 8616
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
MARSILI1 follow-up statement
658
WWUS53 KIWX 200001
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
801 PM EDT Sat Jun 19 2021
MIC027-200030-
/O.CON.KIWX.SV.W.0008.000000T0000Z-210620T0030Z/
Cass MI-
801 PM EDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHERN CASS COUNTY...
At 801 PM EDT, a severe thunderstorm was located over Cassopolis, or
near Dowagiac, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Dowagiac, Cassopolis, Union, Penn, Vandalia, Dailey, La Grange,
Paradise Lake, Calvin Center, Adamsville, Juno Lake, Donnell Lake,
Jones, Diamond Lake, Shavehead Lake, Eagle Lake and Barron Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4176 8580 4176 8593 4185 8620 4198 8609
4194 8578
TIME...MOT...LOC 0001Z 279DEG 20KT 4192 8606
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
MARSILIThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:46 AM EDT | Special Weather Statement | IWX | Saint Joseph | 29 min |
| Jun 19, 7:26 PM EDT | Special Weather Statement | IWX | Berrien | 34 min |
| Jun 19, 7:35 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 40 min |
| Jun 19, 7:39 PM EDT | Special Weather Statement | IWX | Cass | 51 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.