Alert archive / Ohio / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 85, NWS Northern Indiana

June 18, 2025Defiance County, Fulton County, Henry County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Jun 18, 2025, 6:59 PM EDT for Defiance County, Fulton County, Henry County, Ohio. 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 18, 2025, 6:59 PM EDT (22:59 UTC)
Expired: Jun 18, 2025, 7:30 PM EDT
In force: 31 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Defiance County, OH, Fulton County, OH, Henry County, OH

The radar

The Northern Indiana radar (KIWX), 123 km from the middle of the area, began a volume at 22:58 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.

Issued	Product	Office	Lasted
Jun 18, 4:09 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 11.0 hours before the alert went out and 159 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: 765 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 18, 6:21 PM EDT, 38 minutes earlier.

Area forecast discussion, Jun 18, 6:21 PM EDT, 38 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Jun 18, 6:29 PM EDT, 30 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Jun 18, 6:22 PM EDT, 37 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 18, 6:36 PM EDT, 23 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 18, 6:44 PM EDT, 15 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 18, 6:48 PM EDT, 11 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 18, 6:51 PM EDT, 8 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 18, 6:54 PM EDT, 5 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:45 PM EDT	Areal Flood Advisory	IWX	Saint Joseph	105 min
Jun 17, 9:14 PM EDT	Special Weather Statement	IWX	LaGrange	46 min
Jun 18, 5:49 AM EDT	Special Weather Statement	IWX	White	41 min
Jun 18, 7:49 AM EDT	Special Weather Statement	IWX	Grant, Miami, Wabash	26 min
Jun 18, 9:37 AM EDT	Special Weather Statement	IWX	LaGrange	23 min
Jun 18, 2:31 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IWX	Cass, LaPorte, Pulaski, Starke, White	59 min
Jun 18, 3:30 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IWX	Cass, Fulton, LaPorte, Marshall, Pulaski, Saint Joseph and 2 more	45 min
Jun 18, 3:45 PM EDT	Tornado Warning	IWX	Cass, Fulton	21 min
Jun 18, 3:52 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Saint Joseph	38 min
Jun 18, 3:55 PM EDT	Special Marine Warning	IWX		65 min
Jun 18, 4:01 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IWX	Cass, Fulton, Kosciusko, Marshall, Miami, Wabash	44 min
Jun 18, 4:17 PM EDT	Special Weather Statement	IWX	Elkhart, Marshall, Saint Joseph	58 min
Jun 18, 4:22 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Miami, Wabash	38 min
Jun 18, 4:26 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IWX	Elkhart, Kosciusko, LaGrange, Noble, Whitley	34 min
Jun 18, 4:29 PM EDT	Tornado Warning	IWX	Elkhart, Kosciusko	17 min
Jun 18, 4:36 PM EDT	Special Marine Warning	IWX		24 min
Jun 18, 4:43 PM EDT	Severe Thunderstorm Warning	IWX	Kosciusko, Whitley	32 min
Jun 18, 4:53 PM EDT	Special Weather Statement	IWX	Kosciusko, Wabash	37 min
Jun 18, 4:55 PM EDT	Severe Thunderstorm Warning	IWX	Grant	20 min
Jun 18, 5:01 PM EDT	Severe Thunderstorm Warning	IWX	LaGrange, Noble, Steuben	29 min
Jun 18, 5:08 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Noble, Whitley	37 min
Jun 18, 5:19 PM EDT	Special Weather Statement	IWX	Huntington	26 min
Jun 18, 5:25 PM EDT	Severe Thunderstorm Warning	IWX	LaGrange, Steuben	50 min
Jun 18, 5:31 PM EDT	Severe Thunderstorm Warning	IWX	Huntington, Wells	29 min
Jun 18, 5:36 PM EDT	Special Weather Statement	IWX	Allen, DeKalb	39 min
Jun 18, 5:42 PM EDT	Severe Thunderstorm Warning	IWX	Allen, DeKalb	33 min
Jun 18, 5:52 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Allen, Jay, Wells	38 min
Jun 18, 6:05 PM EDT	Severe Thunderstorm Warning	IWX	DeKalb, Steuben	40 min
Jun 18, 6:22 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Defiance, Henry, Paulding, Putnam, Van Wert	38 min
Jun 18, 6:36 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Henry, Paulding	24 min
Jun 18, 6:40 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Williams	50 min
Jun 18, 6:53 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Henry, Putnam	19 min
Jun 17, 8:17 PM EDT	Special Weather Statement	IWX	Cass	28 min
Jun 17, 8:39 PM EDT	Special Weather Statement	IWX	Cass	36 min
Jun 17, 9:22 PM EDT	Special Weather Statement	IWX	Cass	23 min
Jun 18, 5:28 PM EDT	Tornado Warning	IWX	Branch	32 min
Jun 18, 5:55 PM EDT	Special Weather Statement	IWX	Hillsdale	35 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2025 Every 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.