Alert Details

Back to Alerts View on Map

Alert Information 100.0%* County Coverage

Severe Thunderstorm Watch issued March 31 at 6:01PM EDT until April 1 at 12:00AM EDT by NWS Northern Indiana

Event Type

Severe Thunderstorm Watch

Status

Actual EXPIRED

Severity

Severe

Urgency

Future

Certainty

Possible

Message Type

Alert

Description

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 82 IN EFFECT UNTIL MIDNIGHT EDT /11 PM CDT/ TONIGHT FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 24 COUNTIES IN NORTH CENTRAL INDIANA KOSCIUSKO ST. JOSEPH IN NORTHERN INDIANA ADAMS ALLEN IN BLACKFORD CASS IN DE KALB ELKHART FULTON IN GRANT HUNTINGTON JAY LA PORTE LAGRANGE MARSHALL MIAMI NOBLE PULASKI STARKE STEUBEN WABASH WELLS WHITE WHITLEY IN OHIO THIS WATCH INCLUDES 8 COUNTIES IN NORTHWEST OHIO ALLEN OH DEFIANCE FULTON OH HENRY PAULDING PUTNAM VAN WERT WILLIAMS THIS INCLUDES THE CITIES OF AKRON, ALBION, ANGOLA, ANTWERP, ARCHBOLD, AUBURN, BASS LAKE, BERNE, BLUFFTON, BLUFFTON, BREMEN, BROOKSTON, BRYAN, COLUMBIA CITY, COLUMBUS GROVE, CONTINENTAL, CULVER, DECATUR, DEFIANCE, DELTA, DESHLER, DUNKIRK, EDGERTON, ELKHART, FORT WAYNE, FRANCESVILLE, FREMONT, GARRETT, GAS CITY, GOSHEN, GRANGER, GRISSOM AFD, HARTFORD CITY, HICKSVILLE, HUNTINGTON, KENDALLVILLE, KNOX, LA PORTE, LAGRANGE, LEIPSIC, LIBERTY CENTER, LIGONIER, LIMA, LOGANSPORT, MARION, MEDARYVILLE, MEXICO, MICHIGAN CITY, MISHAWAKA, MONON, MONTICELLO, MONTPELIER, MONTPELIER, NAPOLEON, NAPPANEE, NEW HAVEN, NORTH JUDSON, NORTH MANCHESTER, OHIO CITY, OSSIAN, OTTAWA, PANDORA, PAULDING, PAYNE, PERU, PLYMOUTH, PORTLAND, ROANOKE, ROCHESTER, ROYAL CENTER, SHERWOOD, SHIPSHEWANA, SOUTH BEND, SOUTH WHITLEY, SPENCERVILLE, SWANTON, TOPEKA, TRI-LAKES, UPLAND, VAN WERT, WABASH, WARSAW, WAUSEON, WINAMAC, AND WINONA LAKE.

Affected Areas

Adams, IN; Allen, IN; Blackford, IN; Cass, IN; De Kalb, IN; Elkhart, IN; Fulton, IN; Grant, IN; Huntington, IN; Jay, IN; Kosciusko, IN; Lagrange, IN; La Porte, IN; Marshall, IN; Miami, IN; Noble, IN; Pulaski, IN; St. Joseph, IN; Starke, IN; Steuben, IN; Wabash, IN; Wells, IN; White, IN; Whitley, IN; Allen, OH; Defiance, OH; Fulton, OH; Henry, OH; Paulding, OH; Putnam, OH; Van Wert, OH; Williams, OH

SAME Codes:

018001 Adams County, IN

018003 Allen County, IN

018009 Blackford County, IN

018017 Cass County, IN

018033 DeKalb County, IN

018039 Elkhart County, IN

018049 Fulton County, IN

018053 Grant County, IN

018069 Huntington County, IN

018075 Jay County, IN

018085 Kosciusko County, IN

018087 LaGrange County, IN

018091 LaPorte County, IN

018099 Marshall County, IN

018103 Miami County, IN

018113 Noble County, IN

018131 Pulaski County, IN

018141 St. Joseph County, IN

018149 Starke County, IN

018151 Steuben County, IN

018169 Wabash County, IN

018179 Wells County, IN

018181 White County, IN

018183 Whitley County, IN

039003 Allen County, OH

039039 Defiance County, OH

039051 Fulton County, OH

039069 Henry County, OH

039125 Paulding County, OH

039137 Putnam County, OH

039161 Van Wert County, OH

039171 Williams County, OH

UGC: INC001 INC003 INC009 INC017 INC033 INC039 INC049 INC053 INC069 INC075 INC085 INC087 INC091 INC099 INC103 INC113 INC131 INC141 INC149 INC151 INC169 INC179 INC181 INC183 OHC003 OHC039 OHC051 OHC069 OHC125 OHC137 OHC161 OHC171

This covers virtually all emergency service districts, townships, and municipalities within the county.

Alert Coverage Map

Loading map...

Loading alert coverage map...

Alert Area Affected Boundaries

County-wide coverage shown

Timing

Alert Sent:

2026-03-31 18:01 EDT
06:01 PM EDT

Onset:

2026-03-31T18:01:00-04:00

Expires:

2026-04-01 00:00 EDT
12:00 AM EDT

Event Ends:

2026-04-01T00:00:00-04:00

Added:

2026-03-31 18:03 EDT
06:03 PM EDT

Updated:

2026-03-31 21:06 EDT
09:06 PM EDT

Times in America/New_York. Auto-adjusts for daylight saving.

Technical Details

Alert Identifier
urn:oid:2.49.0.1.840.0.b93095d4ecef3d31b8275c0fac9062f78f204ccf.001.1

Database ID
#160

Scope Public

Category Met

Coverage Type County-Wide

Estimated Coverage 100.0% of Putnam County — approx. 484.2 sq mi Estimated from SAME broadcast area, not the storm polygon.

Source times converted from NWS format to local Eastern Time.

Emergency Service Coverage - All County Boundaries

Major County Impact

This alert covers 100.0% of Putnam County (~484.2 sq mi) , affecting most emergency service boundaries.

Coverage estimated from SAME broadcast area. Recalculate intersections to use the storm polygon.

Coverage by Service Type:

Boundary Analysis Pending

Alert geometry exists (100.0% county coverage), but service boundary intersections have not been calculated yet.

100.0%

Major County Coverage

~484.2 sq mi affected

* Estimated from SAME broadcast area.

NOAA Alert Details

Alert Origin

Originator NWS Northern Indiana

Sender ID w-nws.webmaster@noaa.gov

Scope Public

Category Met

Effective 2026-03-31T18:01:00-04:00

Language en-US

Web http://www.weather.gov

Alert Feed

https://api.weather.gov/alerts/active?zone=OHC003,OHZ016,OHC137,OHZ025,OHZ004,OHC039,OHZ017,OHC063,OHZ005,OHC069,OHZ015,OHC125,OHZ024,OHC161,OHZ006,OHC173

NOAA

EAS Parameters

EAS Originator (EAS-ORG) WXR — National Weather Service

Block Channels EAS NWEM CMAS

Geocodes

SAME Geocodes

018001 Adams County, IN

018003 Allen County, IN

018009 Blackford County, IN

018017 Cass County, IN

018033 DeKalb County, IN

018039 Elkhart County, IN

018049 Fulton County, IN

018053 Grant County, IN

018069 Huntington County, IN

018075 Jay County, IN

018085 Kosciusko County, IN

018087 LaGrange County, IN

018091 LaPorte County, IN

018099 Marshall County, IN

018103 Miami County, IN

018113 Noble County, IN

018131 Pulaski County, IN

018141 St. Joseph County, IN

018149 Starke County, IN

018151 Steuben County, IN

018169 Wabash County, IN

018179 Wells County, IN

018181 White County, IN

018183 Whitley County, IN

039003 Allen County, OH

039039 Defiance County, OH

039051 Fulton County, OH

039069 Henry County, OH

039125 Paulding County, OH

039137 Putnam County, OH

039161 Van Wert County, OH

039171 Williams County, OH

UGC Codes INC001 INC003 INC009 INC017 INC033 INC039 INC049 INC053 INC069 INC075 INC085 INC087 INC091 INC099 INC103 INC113 INC131 INC141 INC149 INC151 INC169 INC179 INC181 INC183 OHC003 OHC039 OHC051 OHC069 OHC125 OHC137 OHC161 OHC171

Affected Zones INC001 INC003 INC009 INC017 INC033 INC039 INC049 INC053 INC069 INC075 INC085 INC087 INC091 INC099 INC103 INC113 INC131 INC141 INC149 INC151 INC169 INC179 INC181 INC183 OHC003 OHC039 OHC051 OHC069 OHC125 OHC137 OHC161 OHC171

Event Codes

SAME SVA

NationalWeatherService SVA

VTEC

New Event Severe Thunderstorm Watch #82

Office KIWX · Begins 2026-03-31 22:01 UTC · Ends 2026-04-01 04:00 UTC

/O.NEW.KIWX.SV.A.0082.260331T2201Z-260401T0400Z/

IEM VTEC Browser

Event Lifecycle (2 alerts)

★

Issuance This alert 2026-03-31 22:01 UTC

Continuing 2026-04-01 01:05 UTC View →

Severe Thunderstorm Watch issued March 31 at 9:05PM EDT until April 1 at 12:00AM EDT by NWS Northern Indiana

NWS Parameters

AWIPSidentifier WCNIWX

WMOidentifier WWUS63 KIWX 312201

eventEndingTime 2026-04-01T00:00:00-04:00

EAS Forwarding Status

Forwarded to Air Chain

Reason Auto-forwarded: SAME ZCZC-WXR-SVA-039003-039039-039069-039125-039137-039161+0600-0902201-KR8MER-

Forwarded Audio

Broadcast Audio Archive

View All Audio

Generated	Details	SAME Header	Actions
2026-03-31 18:04 EDT 06:04 PM EDT	Severe Thunderstorm Watch Severe Actual SVA 039003, 039039, 039069, 039125, 039137, 039161	`ZCZC-WXR-SVA-039003-039039-039069-039125-039137-…` `ZCZC-WXR-SVA-039003-039039-039069-039125-039137-039161+0600-0902201-KR8MER-`

Actions

Export PDF View Full Event Chain

Raw CAP Alert Data

Original JSON data received from NOAA National Weather Service

{
  "geometry": null,
  "id": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b93095d4ecef3d31b8275c0fac9062f78f204ccf.001.1",
  "properties": {
    "@id": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b93095d4ecef3d31b8275c0fac9062f78f204ccf.001.1",
    "@type": "wx:Alert",
    "_fetch_endpoint": "https://api.weather.gov/alerts/active?zone=OHC003,OHZ016,OHC137,OHZ025,OHZ004,OHC039,OHZ017,OHC063,OHZ005,OHC069,OHZ015,OHC125,OHZ024,OHC161,OHZ006,OHC173",
    "_fetch_endpoint_type": "NOAA",
    "affectedZones": [
      "https://api.weather.gov/zones/county/INC001",
      "https://api.weather.gov/zones/county/INC003",
      "https://api.weather.gov/zones/county/INC009",
      "https://api.weather.gov/zones/county/INC017",
      "https://api.weather.gov/zones/county/INC033",
      "https://api.weather.gov/zones/county/INC039",
      "https://api.weather.gov/zones/county/INC049",
      "https://api.weather.gov/zones/county/INC053",
      "https://api.weather.gov/zones/county/INC069",
      "https://api.weather.gov/zones/county/INC075",
      "https://api.weather.gov/zones/county/INC085",
      "https://api.weather.gov/zones/county/INC087",
      "https://api.weather.gov/zones/county/INC091",
      "https://api.weather.gov/zones/county/INC099",
      "https://api.weather.gov/zones/county/INC103",
      "https://api.weather.gov/zones/county/INC113",
      "https://api.weather.gov/zones/county/INC131",
      "https://api.weather.gov/zones/county/INC141",
      "https://api.weather.gov/zones/county/INC149",
      "https://api.weather.gov/zones/county/INC151",
      "https://api.weather.gov/zones/county/INC169",
      "https://api.weather.gov/zones/county/INC179",
      "https://api.weather.gov/zones/county/INC181",
      "https://api.weather.gov/zones/county/INC183",
      "https://api.weather.gov/zones/county/OHC003",
      "https://api.weather.gov/zones/county/OHC039",
      "https://api.weather.gov/zones/county/OHC051",
      "https://api.weather.gov/zones/county/OHC069",
      "https://api.weather.gov/zones/county/OHC125",
      "https://api.weather.gov/zones/county/OHC137",
      "https://api.weather.gov/zones/county/OHC161",
      "https://api.weather.gov/zones/county/OHC171"
    ],
    "areaDesc": "Adams, IN; Allen, IN; Blackford, IN; Cass, IN; De Kalb, IN; Elkhart, IN; Fulton, IN; Grant, IN; Huntington, IN; Jay, IN; Kosciusko, IN; Lagrange, IN; La Porte, IN; Marshall, IN; Miami, IN; Noble, IN; Pulaski, IN; St. Joseph, IN; Starke, IN; Steuben, IN; Wabash, IN; Wells, IN; White, IN; Whitley, IN; Allen, OH; Defiance, OH; Fulton, OH; Henry, OH; Paulding, OH; Putnam, OH; Van Wert, OH; Williams, OH",
    "category": "Met",
    "certainty": "Possible",
    "code": "IPAWSv1.0",
    "description": "THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH\n82 IN EFFECT UNTIL MIDNIGHT EDT /11 PM CDT/ TONIGHT FOR THE\nFOLLOWING AREAS\n\nIN INDIANA THIS WATCH INCLUDES 24 COUNTIES\n\nIN NORTH CENTRAL INDIANA\n\nKOSCIUSKO             ST. JOSEPH\n\nIN NORTHERN INDIANA\n\nADAMS                 ALLEN IN              BLACKFORD\nCASS IN               DE KALB               ELKHART\nFULTON IN             GRANT                 HUNTINGTON\nJAY                   LA PORTE              LAGRANGE\nMARSHALL              MIAMI                 NOBLE\nPULASKI               STARKE                STEUBEN\nWABASH                WELLS                 WHITE\nWHITLEY\n\nIN OHIO THIS WATCH INCLUDES 8 COUNTIES\n\nIN NORTHWEST OHIO\n\nALLEN OH              DEFIANCE              FULTON OH\nHENRY                 PAULDING              PUTNAM\nVAN WERT              WILLIAMS\n\nTHIS INCLUDES THE CITIES OF AKRON, ALBION, ANGOLA, ANTWERP,\nARCHBOLD, AUBURN, BASS LAKE, BERNE, BLUFFTON, BLUFFTON, BREMEN,\nBROOKSTON, BRYAN, COLUMBIA CITY, COLUMBUS GROVE, CONTINENTAL,\nCULVER, DECATUR, DEFIANCE, DELTA, DESHLER, DUNKIRK, EDGERTON,\nELKHART, FORT WAYNE, FRANCESVILLE, FREMONT, GARRETT, GAS CITY,\nGOSHEN, GRANGER, GRISSOM AFD, HARTFORD CITY, HICKSVILLE,\nHUNTINGTON, KENDALLVILLE, KNOX, LA PORTE, LAGRANGE, LEIPSIC,\nLIBERTY CENTER, LIGONIER, LIMA, LOGANSPORT, MARION, MEDARYVILLE,\nMEXICO, MICHIGAN CITY, MISHAWAKA, MONON, MONTICELLO, MONTPELIER,\nMONTPELIER, NAPOLEON, NAPPANEE, NEW HAVEN, NORTH JUDSON,\nNORTH MANCHESTER, OHIO CITY, OSSIAN, OTTAWA, PANDORA, PAULDING,\nPAYNE, PERU, PLYMOUTH, PORTLAND, ROANOKE, ROCHESTER,\nROYAL CENTER, SHERWOOD, SHIPSHEWANA, SOUTH BEND, SOUTH WHITLEY,\nSPENCERVILLE, SWANTON, TOPEKA, TRI-LAKES, UPLAND, VAN WERT,\nWABASH, WARSAW, WAUSEON, WINAMAC, AND WINONA LAKE.",
    "effective": "2026-03-31T18:01:00-04:00",
    "ends": "2026-04-01T00:00:00-04:00",
    "event": "Severe Thunderstorm Watch",
    "eventCode": {
      "NationalWeatherService": [
        "SVA"
      ],
      "SAME": [
        "SVA"
      ]
    },
    "expires": "2026-04-01T00:00:00-04:00",
    "geocode": {
      "SAME": [
        "018001",
        "018003",
        "018009",
        "018017",
        "018033",
        "018039",
        "018049",
        "018053",
        "018069",
        "018075",
        "018085",
        "018087",
        "018091",
        "018099",
        "018103",
        "018113",
        "018131",
        "018141",
        "018149",
        "018151",
        "018169",
        "018179",
        "018181",
        "018183",
        "039003",
        "039039",
        "039051",
        "039069",
        "039125",
        "039137",
        "039161",
        "039171"
      ],
      "UGC": [
        "INC001",
        "INC003",
        "INC009",
        "INC017",
        "INC033",
        "INC039",
        "INC049",
        "INC053",
        "INC069",
        "INC075",
        "INC085",
        "INC087",
        "INC091",
        "INC099",
        "INC103",
        "INC113",
        "INC131",
        "INC141",
        "INC149",
        "INC151",
        "INC169",
        "INC179",
        "INC181",
        "INC183",
        "OHC003",
        "OHC039",
        "OHC051",
        "OHC069",
        "OHC125",
        "OHC137",
        "OHC161",
        "OHC171"
      ]
    },
    "headline": "Severe Thunderstorm Watch issued March 31 at 6:01PM EDT until April 1 at 12:00AM EDT by NWS Northern Indiana",
    "id": "urn:oid:2.49.0.1.840.0.b93095d4ecef3d31b8275c0fac9062f78f204ccf.001.1",
    "identifier": "urn:oid:2.49.0.1.840.0.b93095d4ecef3d31b8275c0fac9062f78f204ccf.001.1",
    "instruction": null,
    "language": "en-US",
    "messageType": "Alert",
    "onset": "2026-03-31T18:01:00-04:00",
    "parameters": {
      "AWIPSidentifier": [
        "WCNIWX"
      ],
      "BLOCKCHANNEL": [
        "EAS",
        "NWEM",
        "CMAS"
      ],
      "EAS-ORG": [
        "WXR"
      ],
      "VTEC": [
        "/O.NEW.KIWX.SV.A.0082.260331T2201Z-260401T0400Z/"
      ],
      "WMOidentifier": [
        "WWUS63 KIWX 312201"
      ],
      "eventEndingTime": [
        "2026-04-01T00:00:00-04:00"
      ]
    },
    "references": [],
    "response": "Monitor",
    "scope": "Public",
    "sender": "w-nws.webmaster@noaa.gov",
    "senderName": "NWS Northern Indiana",
    "sent": "2026-03-31T18:01:00-04:00",
    "severity": "Severe",
    "source": "NOAA",
    "status": "Actual",
    "urgency": "Future",
    "web": "http://www.weather.gov"
  },
  "type": "Feature"
}

Source: NOAA
Origin URI: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b93095d4ecef3d31b8275c0fac9062f78f204ccf.001.1
Last Updated: 2026-03-31 21:06 EDT (01:06 UTC)