Alert archive / Indiana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 99, NWS Northern Indiana

June 27, 2025Kosciusko County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 27, 2025, 2:59 PM EDT for Kosciusko County, Indiana. It was in force for 31 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
Jun 27, 2025, 2:59 PM EDT (18:59 UTC)
Expired
Jun 27, 2025, 3:30 PM EDT
In force
31 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Kosciusko County, IN

The radar

The Northern Indiana radar (KIWX), 19 km from the middle of the area, began a volume at 19:02 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 2:00 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.0 hours before the alert went out and 261 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, Lincoln, IL at 12:00Z on 2025-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 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, Lincoln, IL at 12:00Z on 2025-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
696 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1146 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jun 26, 6:44 PM EDT, 20 hours 15 minutes earlier.

Area forecast discussion, Jun 26, 6:44 PM EDT, 20 hours 15 minutes before
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Hazardous weather outlook, Jun 26, 3:03 PM EDT, 23 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Northern Indiana
303 PM EDT Thu Jun 26 2025

INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-271915-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
303 PM EDT Thu Jun 26 2025 /203 PM CDT Thu Jun 26 2025/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS
EVENING...

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

Marginally severe thunderstorms are possible today with the greatest
threat from damaging winds.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LMZ043-046-271915-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
303 PM EDT Thu Jun 26 2025

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...This afternoon and tonight.

Marginally severe thunderstorms are possible today with the greatest
threat from damaging winds.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 9:01 PM EDTSpecial Weather StatementIWXLaPorte44 min
Jun 26, 10:02 PM EDTSpecial Weather StatementIWXSaint Joseph28 min
Jun 26, 11:48 PM EDTSpecial Weather StatementIWXLaPorte27 min
Jun 27, 12:11 AM EDTSpecial Weather StatementIWXWhite34 min
Jun 27, 3:09 AM EDTHeat AdvisoryIWXAdams, Allen, Blackford, Cass, DeKalb, Elkhart and 18 more16 hr
Jun 27, 1:30 PM EDTSpecial Weather StatementIWXWhite30 min
Jun 27, 2:06 PM EDTSpecial Weather StatementIWXCass39 min
Jun 27, 2:39 PM EDTSpecial Weather StatementIWXCass, Fulton, Miami, Wabash51 min
Jun 27, 2:51 PM EDTSpecial Weather StatementIWXKosciusko24 min
Jun 27, 2:54 PM EDTSevere Thunderstorm WarningIWXKosciusko36 min
Jun 27, 3:32 PM EDTSpecial Weather StatementIWXNoble28 min
Jun 27, 5:13 PM EDTSpecial Weather StatementIWXJay47 min
Jun 26, 8:39 PM EDTSpecial Weather StatementIWXBerrien51 min
Jun 26, 9:38 PM EDTSpecial Weather StatementIWXBerrien37 min
Jun 26, 9:50 PM EDTSpecial Weather StatementIWXVan Buren40 min
Jun 26, 10:22 PM EDTSpecial Weather StatementIWXBerrien23 min
Jun 26, 11:45 PM EDTSpecial Weather StatementIWXCass45 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2025Every severe thunderstorm warning in 2025

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.