Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 92, NWS Wilmington, OH

June 3, 2020Butler County, Warren County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 3, 2020, 9:43 PM EDT for Butler County, Warren County, Ohio. It was in force for 32 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 3, 2020, 9:43 PM EDT (01:43 UTC)
Expired: Jun 3, 2020, 10:15 PM EDT
In force: 32 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Butler County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 47 km from the middle of the area, began a volume at 01:47 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.7 hours before the alert went out and 49 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: 777 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1661 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 3, 8:58 PM EDT, 45 minutes earlier.

Area forecast discussion, Jun 3, 8:58 PM EDT, 45 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 3, 5:10 AM EDT, 16 hours 33 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
510 AM EDT Wed Jun 3 2020

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-040915-
Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio-
Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Bracken-Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke-
Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison-
Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Pickaway-
Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-Clermont-Brown-
Highland-Adams-Pike-Scioto-
510 AM EDT Wed Jun 3 2020

This Hazardous Weather Outlook is for East Central Indiana,
Southeast Indiana, Northeast Kentucky, Northern Kentucky, Central
Ohio, South Central Ohio, Southwest Ohio and West Central Ohio.

.DAY ONE...Today and tonight.

Occasional showers and thunderstorms can be expected this afternoon
into tonight. Some of these storms may become severe with damaging
winds, large hail, and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorm activity may linger into Thursday, with a few strong to
severe storms possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed, while following all local,
state and CDC guidelines.

In the hours before

Special weather statement, Jun 3, 9:15 PM EDT, 28 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 3, 9:25 PM EDT, 18 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>

Special weather statement, Jun 3, 9:29 PM EDT, 14 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 3, 9:31 PM EDT, 12 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>

Special weather statement, Jun 3, 9:34 PM EDT, 9 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 3, 9:35 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>

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 3, 8:18 PM EDT	Special Weather Statement	ILN	Fayette	27 min
Jun 3, 8:32 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette	43 min
Jun 3, 8:52 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Preble	23 min
Jun 3, 8:58 PM EDT	Special Weather Statement	ILN	Clinton	32 min
Jun 3, 9:07 PM EDT	Special Weather Statement	ILN	Warren	23 min
Jun 3, 9:15 PM EDT	Special Weather Statement	ILN	Butler	30 min
Jun 3, 9:29 PM EDT	Special Weather Statement	ILN	Highland	31 min
Jun 3, 9:34 PM EDT	Special Weather Statement	ILN	Warren	26 min
Jun 3, 9:43 PM EDT	Areal Flood Advisory	ILN	Butler	3 hr
Jun 3, 9:59 PM EDT	Special Weather Statement	ILN	Highland	31 min
Jun 3, 10:31 PM EDT	Special Weather Statement	ILN	Highland	29 min
Jun 3, 10:54 PM EDT	Special Weather Statement	ILN	Ross	36 min
Jun 4, 11:23 AM EDT	Special Weather Statement	ILN	Champaign	37 min
Jun 4, 11:32 AM EDT	Severe Thunderstorm Warning	ILN	Champaign, Logan, Union	43 min
Jun 4, 12:10 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Delaware, Logan, Madison, Union	50 min
Jun 4, 12:52 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Licking	38 min
Jun 4, 12:59 PM EDT	Areal Flood Advisory	ILN	Delaware, Union	3 hr
Jun 4, 12:59 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	46 min
Jun 4, 1:08 PM EDT	Severe Thunderstorm Warning	ILN	Franklin, Madison, Pickaway	37 min
Jun 4, 1:27 PM EDT	Special Weather Statement	ILN	Clinton	33 min
Jun 4, 1:44 PM EDT	Severe Thunderstorm Warning	ILN	Franklin, Pickaway	46 min
Jun 4, 1:48 PM EDT	Special Weather Statement	ILN	Fairfield	27 min
Jun 4, 1:54 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield	36 min
Jun 4, 2:11 PM EDT	Special Weather Statement	ILN	Warren	34 min
Jun 4, 2:17 PM EDT	Special Weather Statement	ILN	Union	28 min
Jun 4, 2:33 PM EDT	Special Weather Statement	ILN	Fairfield	27 min
Jun 4, 2:45 PM EDT	Special Weather Statement	ILN	Union	30 min
Jun 4, 2:47 PM EDT	Special Weather Statement	ILN	Franklin	28 min
Jun 4, 2:55 PM EDT	Special Weather Statement	ILN	Highland	35 min
Jun 4, 3:08 PM EDT	Areal Flood Advisory	ILN	Fairfield, Hocking	112 min
Jun 4, 3:21 PM EDT	Special Weather Statement	ILN	Ross	24 min
Jun 4, 3:27 PM EDT	Areal Flood Advisory	ILN	Ross	3 hr
Jun 4, 3:46 PM EDT	Special Weather Statement	ILN	Ross	29 min
Jun 4, 3:55 PM EDT	Special Weather Statement	ILN	Pickaway	35 min
Jun 4, 4:22 PM EDT	Special Weather Statement	ILN	Union	38 min
Jun 4, 4:26 PM EDT	Special Weather Statement	ILN	Licking	34 min
Jun 4, 3:20 PM EDT	Special Weather Statement	ILN	Kenton	25 min
Jun 4, 4:32 PM EDT	Special Weather Statement	ILN	Bracken, Pendleton	28 min
Jun 3, 8:14 PM EDT	Special Weather Statement	ILN	Fayette	31 min
Jun 3, 8:40 PM EDT	Special Weather Statement	ILN	Union	35 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2020 Every severe thunderstorm warning in 2020

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.