Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 116, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Oct 11, 2021, 10:04 PM EDT for Marshall County, Indiana. It was in force for 41 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
- Oct 11, 2021, 10:04 PM EDT (02:04 UTC)
- Expired
- Oct 11, 2021, 10:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Marshall County, IN
The radar
The Northern Indiana radar (KIWX), 50 km from the middle of the area, began a volume at 02:02 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
Lincoln, IL (KILX), launched 00:00Z, 2.1 hours before the alert went out and 235 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
- 10 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 743 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -150 m²/s²
- 0-3 km storm-relative helicity
- -158 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
328 WUUS53 KIWX 120204 SVRIWX INC099-120245- /O.NEW.KIWX.SV.W.0116.211012T0204Z-211012T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Northern Indiana 1004 PM EDT Mon Oct 11 2021 The National Weather Service in Northern Indiana has issued a * Severe Thunderstorm Warning for... Marshall County in north central Indiana... * Until 1045 PM EDT. * At 1003 PM EDT, a severe thunderstorm was located near Culver, or 9 miles northwest of Rochester, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Plymouth, Bremen, Bourbon, Argos, Culver, Koontz Lake, Walnut, Tippecanoe, La Paz, Twin Lakes, Inwood, Teegarden, Rutland, Burr Oak, Maxinkuckee, Tyner, Hibbard, Old Tip Town, Donaldson and Linkville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. This storm may cause serious injury and significant property damage. && LAT...LON 4148 8646 4148 8606 4117 8606 4117 8647 TIME...MOT...LOC 0203Z 204DEG 48KT 4114 8634 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JAL
2 follow-up statements
737 WWUS53 KIWX 120223 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 1023 PM EDT Mon Oct 11 2021 INC099-120245- /O.CON.KIWX.SV.W.0116.000000T0000Z-211012T0245Z/ Marshall IN- 1023 PM EDT Mon Oct 11 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT FOR MARSHALL COUNTY... At 1023 PM EDT, a severe thunderstorm was located near Plymouth, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Plymouth, Bremen, Bourbon, Argos, Walnut, Tippecanoe, La Paz, Twin Lakes, Inwood, Teegarden, Old Tip Town, Linkville and Lake Of The Woods. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. This storm may cause serious injury and significant property damage. && LAT...LON 4148 8642 4148 8606 4117 8606 4117 8633 TIME...MOT...LOC 0223Z 203DEG 46KT 4133 8622 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JAL
059 WWUS53 KIWX 120236 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 1036 PM EDT Mon Oct 11 2021 INC099-120245- /O.CON.KIWX.SV.W.0116.000000T0000Z-211012T0245Z/ Marshall IN- 1036 PM EDT Mon Oct 11 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT FOR EASTERN MARSHALL COUNTY... At 1036 PM EDT, a severe thunderstorm was located near Bourbon, or near Bremen, moving northeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Bremen, Bourbon, Argos, Walnut, Tippecanoe, Inwood, Old Tip Town and Lake Of The Woods. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. This storm may cause serious injury and significant property damage. && LAT...LON 4148 8626 4148 8606 4117 8606 4117 8626 TIME...MOT...LOC 0236Z 206DEG 43KT 4136 8611 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JAL
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 9:30 PM EDT | Special Weather Statement | IWX | Cass | 45 min |
| Oct 11, 9:44 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Fulton | 46 min |
| Oct 11, 9:52 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Miami | 38 min |
| Oct 11, 11:23 PM EDT | Special Weather Statement | IWX | Elkhart, Noble | 37 min |
| Oct 11, 11:53 PM EDT | Special Weather Statement | IWX | Huntington, Whitley | 37 min |
| Oct 12, 12:59 AM EDT | Special Weather Statement | IWX | Steuben | 46 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 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.