Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 279, NWS Northern Indiana

August 11, 20265 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Aug 11, 2026, 1:10 PM EDT for 5 counties in Indiana. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 11, 2026, 1:10 PM EDT (17:10 UTC)
Expired
Aug 11, 2026, 1:56 PM EDT
In force
46 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Possible
Damage threat
Destructive
Hail
0.75 in
Wind
80.0 mph

Counties Elkhart County, IN, Kosciusko County, IN, LaGrange County, IN, Noble County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 9 km from the middle of the area, began a volume at 17:13 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.

IssuedProductOfficeLasted
Aug 11, 11:01 AM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.2 hours before the alert went out and 268 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2026-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3952 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2026-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3952 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
708 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
2.4
Supercell composite
13.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 11, 12:57 PM EDT, 13 minutes earlier.

Area forecast discussion, Aug 11, 12:57 PM EDT, 13 minutes before
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In the hours before

Local storm report, Aug 11, 11:36 AM EDT, 1 hour 34 minutes before
Preliminary Local Storm Report
National Weather Service Northern Indiana
1136 AM EDT Tue Aug 11 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1035 AM     Hail             Knox                    41.29N 86.62W
08/11/2026  E2.50 Inch       Starke             IN   Public

            Photo of what appears to be hen egg to
            tennis ball sized hail in Knox (2 to 2.5
            inches in diameter). Time estimated via
            radar.

&&

MJ
Local storm report, Aug 11, 12:00 PM EDT, 1 hour 10 minutes before
Preliminary Local Storm Report
National Weather Service Northern Indiana
1200 PM EDT Tue Aug 11 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1030 AM     Hail             Toto                    41.26N 86.70W
08/11/2026  E2.00 Inch       Starke             IN   Public

            Photo on Facebook of a 2 inch hailstone in
            Toto that fell at 930 AM CDT.

&&

MJ
Local storm report, Aug 11, 12:11 PM EDT, 59 minutes before
Preliminary Local Storm Report
National Weather Service Northern Indiana
1211 PM EDT Tue Aug 11 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1030 AM     Hail             3 E English Lake        41.26N 86.78W
08/11/2026  M2.75 Inch       Starke             IN   Public

            Hail damage to cars on Toto Road north of
            north Judson from baseball sized hail.

&&

MJ
Local storm report, Aug 11, 12:19 PM EDT, 51 minutes before
Preliminary Local Storm Report
National Weather Service Northern Indiana
1219 PM EDT Tue Aug 11 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1110 AM     Hail             1 N North Judson        41.23N 86.78W
08/11/2026  M2.75 Inch       Starke             IN   Public

            Damage to car windshields and roofs in North
            Judson due to large hail.

&&

MJ
Local storm report, Aug 11, 12:22 PM EDT, 48 minutes before
Preliminary Local Storm Report
National Weather Service Northern Indiana
1222 PM EDT Tue Aug 11 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1110 AM     Hail             2 W Toto                41.26N 86.74W
08/11/2026  E3.00 Inch       Starke             IN   Public

            Estimated 3 inch hailstone. Photo on
            Facebook but no official measurement. Fell
            on SR 39 north of North Judson. Time
            estimated via radar.

&&

MJ
Local storm report, Aug 11, 12:53 PM EDT, 17 minutes before
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The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 8:05 PM EDTSevere Thunderstorm WarningIWXFulton, Kosciusko, Marshall40 min
Aug 10, 8:20 PM EDTSevere Thunderstorm WarningIWXKosciusko, Marshall25 min
Aug 10, 8:24 PM EDTTornado WarningIWXPulaski, Starke12 min
Aug 10, 8:27 PM EDTSevere Thunderstorm WarningIWXAdams, Allen48 min
Aug 10, 8:34 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, LaGrange, Noble, Whitley23 min
Aug 10, 8:36 PM EDTSevere Thunderstorm WarningIWXKosciusko, Marshall39 min
Aug 10, 8:38 PM EDTSevere Thunderstorm WarningIWXCass, Fulton, Miami41 min
Aug 10, 9:10 PM EDTSevere Thunderstorm WarningIWXAdams35 min
Aug 10, 9:18 PM EDTSevere Thunderstorm WarningIWXAdams, Allen, Wells27 min
Aug 10, 9:38 PM EDTAreal Flood AdvisoryIWXAdams3 hr
Aug 11, 12:56 AM EDTFlood WatchIWXAdams, Allen, Blackford, Cass, DeKalb, Elkhart and 18 more3 days
Aug 11, 1:58 AM EDTSpecial Marine WarningIWX92 min
Aug 11, 4:35 AM EDTSpecial Weather StatementIWXSteuben25 min
Aug 11, 5:17 AM EDTSpecial Marine WarningIWX88 min
Aug 11, 5:27 AM EDTSpecial Weather StatementIWXFulton33 min
Aug 11, 5:48 AM EDTSevere Thunderstorm WarningIWXFulton, Kosciusko, Marshall27 min
Aug 11, 6:04 AM EDTAreal Flood AdvisoryIWXFulton, Pulaski, Starke3 hr
Aug 11, 6:08 AM EDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph52 min
Aug 11, 6:13 AM EDTSpecial Weather StatementIWXKosciusko32 min
Aug 11, 6:40 AM EDTSevere Thunderstorm Warning Considerable damage threatIWXLaPorte, Saint Joseph35 min
Aug 11, 7:02 AM EDTAreal Flood AdvisoryIWXAllen, Cass, Fulton, Huntington, Miami, Wabash and 1 more2 hr
Aug 11, 7:06 AM EDTSevere Thunderstorm WarningIWXAdams, Jay, Wells39 min
Aug 11, 7:08 AM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall, Noble, Saint Joseph38 min
Aug 11, 7:30 AM EDTSevere Thunderstorm WarningIWXBlackford, Grant, Huntington, Jay, Wells45 min
Aug 11, 7:43 AM EDTSevere Thunderstorm WarningIWXAdams, Jay47 min
Aug 11, 7:56 AM EDTTornado WarningIWXJay24 min
Aug 11, 8:43 AM EDTSevere Thunderstorm WarningIWXCass47 min
Aug 11, 9:10 AM EDTAreal Flood AdvisoryIWXCass, Fulton, Miami, Pulaski, Wabash80 min
Aug 11, 9:11 AM EDTSevere Thunderstorm WarningIWXCass, Miami24 min
Aug 11, 9:21 AM EDTSevere Thunderstorm WarningIWXPulaski39 min
Aug 11, 10:00 AM EDTFlash Flood WarningIWXPulaski2 hr
Aug 11, 10:00 AM EDTSevere Thunderstorm WarningIWXPulaski45 min
Aug 11, 10:09 AM EDTSevere Thunderstorm WarningIWXLaPorte, Pulaski, Starke51 min
Aug 11, 10:28 AM EDTFlash Flood WarningIWXCass, Fulton, Miami92 min
Aug 11, 10:59 AM EDTFlash Flood WarningIWXFulton, Marshall, Pulaski, Starke61 min
Aug 11, 10:59 AM EDTSevere Thunderstorm Warning Considerable damage threatIWXStarke46 min
Aug 11, 11:28 AM EDTSevere Thunderstorm Warning Destructive damage threatIWXLaPorte, Starke36 min
Aug 11, 11:34 AM EDTSevere Thunderstorm WarningIWXBlackford, Cass, Grant, Huntington, Miami, Wabash and 1 more41 min
Aug 11, 11:43 AM EDTSevere Thunderstorm Warning Considerable damage threatIWXPulaski20 min
Aug 11, 11:57 AM EDTFlash Flood WarningIWXCass, Fulton, LaPorte, Miami, Pulaski, Starke and 1 more3 hr
Aug 11, 12:09 PM EDTSevere Thunderstorm WarningIWXCass, Fulton, Pulaski51 min
Aug 11, 12:11 PM EDTSevere Thunderstorm WarningIWXAdams, Blackford, Grant, Jay, Wells64 min
Aug 11, 12:14 PM EDTTornado WarningIWXLaPorte46 min
Aug 11, 12:20 PM EDTTornado WarningIWXPulaski, Starke40 min
Aug 11, 12:22 PM EDTSpecial Marine WarningIWX38 min
Aug 11, 12:26 PM EDTAreal Flood AdvisoryIWXBlackford, Grant, Huntington, Miami, Wabash, Wells2 hr
Aug 11, 12:33 PM EDTSevere Thunderstorm WarningIWXGrant, Miami, Wabash42 min
Aug 11, 12:34 PM EDTTornado WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph56 min
Aug 11, 12:42 PM EDTSevere Thunderstorm Warning Considerable damage threatIWXWhite29 min
Aug 11, 12:46 PM EDTFlash Flood Warning Considerable damage threatIWXLaPorte, Pulaski, Starke101 min
Aug 11, 12:51 PM EDTSevere Thunderstorm Warning Considerable damage threatIWXCass, Fulton, Miami, Pulaski, White39 min
Aug 11, 1:01 PM EDTSevere Thunderstorm WarningIWXCass, Miami28 min
Aug 11, 1:39 PM EDTSevere Thunderstorm WarningIWXAllen, DeKalb51 min
Aug 11, 1:47 PM EDTAreal Flood AdvisoryIWXCass, Miami118 min
Aug 11, 2:25 PM EDTAreal Flood WarningIWXCass, Fulton, Grant, LaPorte, Marshall, Miami and 4 more6 hr
Aug 11, 2:47 PM EDTAreal Flood AdvisoryIWXBlackford, Grant, Jay, Wells104 min
Aug 10, 9:41 PM EDTSevere Thunderstorm WarningIWXAllen, Van Wert49 min
Aug 10, 9:44 PM EDTSevere Thunderstorm WarningIWXPutnam18 min
Aug 10, 10:06 PM EDTSevere Thunderstorm WarningIWXDefiance, Henry, Paulding, Putnam24 min
Aug 10, 11:31 PM EDTSevere Thunderstorm WarningIWXFulton29 min
Aug 11, 4:24 AM EDTSevere Thunderstorm WarningIWXFulton51 min
Aug 11, 8:28 AM EDTSpecial Weather StatementIWXAllen, Putnam17 min
Aug 11, 1:51 AM EDTSpecial Weather StatementIWXBerrien24 min
Aug 11, 2:17 AM EDTSpecial Weather StatementIWXBerrien28 min
Aug 11, 2:46 AM EDTSevere Thunderstorm WarningIWXBerrien, Cass29 min
Aug 11, 3:48 AM EDTSpecial Weather StatementIWXHillsdale27 min
Aug 11, 3:50 AM EDTSpecial Weather StatementIWXCass25 min
Aug 11, 4:07 AM EDTSpecial Weather StatementIWXCass23 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2026Every severe thunderstorm warning in 2026

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.