Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 306, NWS Northern Indiana

September 15, 2026Noble County, Whitley County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Sep 15, 2026, 7:54 PM EDT for Noble County, Whitley County, Indiana. It was in force for 36 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 15, 2026, 7:54 PM EDT (23:54 UTC)
Expired: Sep 15, 2026, 8:30 PM EDT
In force: 36 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Noble County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 22 km from the middle of the area, began a volume at 23:57 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 12:00Z, 11.9 hours before the alert went out and 292 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 505 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 1193 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 316 m²/s²
0-3 km storm-relative helicity: 323 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.7

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 Sep 15, 7:34 PM EDT, 20 minutes earlier.

Area forecast discussion, Sep 15, 7:34 PM EDT, 20 minutes before

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In the hours before

Special weather statement, Sep 15, 6:27 PM EDT, 1 hour 27 minutes before

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Special weather statement, Sep 15, 7:23 PM EDT, 31 minutes before

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Special weather statement, Sep 15, 7:44 PM EDT, 10 minutes before

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Special weather statement, Sep 15, 7:47 PM EDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 15, 6:27 PM EDT	Special Weather Statement	IWX	Marshall	48 min
Sep 15, 7:23 PM EDT	Special Weather Statement	IWX	Kosciusko	37 min
Sep 15, 7:44 PM EDT	Special Weather Statement	IWX	Noble	46 min
Sep 15, 7:47 PM EDT	Special Weather Statement	IWX	Kosciusko	28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2026 Every 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.