Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 293, NWS Northern Indiana

September 3, 2026LaGrange County, Steuben County, Indiana; Branch County, Saint Joseph County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Sep 3, 2026, 3:14 PM EDT for LaGrange County, Steuben County, Indiana; Branch County, Saint Joseph County, Michigan. It was in force for 24 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
Sep 3, 2026, 3:14 PM EDT (19:14 UTC)
Expired
Sep 3, 2026, 3:38 PM EDT
In force
24 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties LaGrange County, IN, Steuben County, IN, Branch County, MI, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 60 km from the middle of the area, began a volume at 19:15 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

Detroit, MI (KDTX), launched 12:00Z, 7.2 hours before the alert went out and 183 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, Detroit, MI at 12:00Z on 2026-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1125 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, Detroit, MI at 12:00Z on 2026-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897Sfc1 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
1125 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1071 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 1:41 AM EDTHeat AdvisoryIWXDeKalb, Elkhart, LaGrange, LaPorte, Noble, Saint Joseph and 1 more18 hr
Sep 3, 6:33 PM EDTSpecial Weather StatementIWXAdams, Wells57 min
Sep 3, 4:11 PM EDTSevere Thunderstorm WarningIWXFulton19 min
Sep 3, 4:34 PM EDTSevere Thunderstorm WarningIWXFulton, Henry26 min
Sep 3, 5:16 PM EDTSpecial Weather StatementIWXHenry29 min
Sep 3, 5:34 PM EDTSpecial Weather StatementIWXPutnam26 min
Sep 3, 5:55 PM EDTSevere Thunderstorm WarningIWXHenry, Putnam35 min
Sep 3, 6:50 PM EDTSpecial Weather StatementIWXVan Wert25 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2026Severe Thunderstorm Warnings in Michigan, 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.