Alert archive / Ohio / Areal Flood Warnings in 2019

Areal Flood Warning 21, NWS Wilmington, OH

May 17, 20195 counties in Ohio

NWS Wilmington, OH issued this areal flood warning at May 17, 2019, 4:41 AM EDT for 5 counties in Ohio. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 17, 2019, 4:41 AM EDT (08:41 UTC)
Expired: May 20, 2019, 11:52 AM EDT
In force: 3 days
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

Counties Auglaize County, OH, Champaign County, OH, Logan County, OH, Shelby County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 103 km from the middle of the area, began a volume at 08:41 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

Detroit, MI (KDTX), launched 00:00Z, 8.7 hours before the alert went out and 267 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: 16 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1443 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 381 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 areal flood 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 areal flood warning went out at May 17, 1:55 AM EDT, 2 hours 46 minutes earlier.

Area forecast discussion, May 17, 1:55 AM EDT, 2 hours 46 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, May 17, 4:23 AM 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>

In the hours before

Special weather statement, May 17, 2:09 AM EDT, 2 hours 32 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, May 17, 2:45 AM EDT, 1 hour 56 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, May 17, 3:28 AM EDT, 1 hour 13 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, May 17, 3:43 AM EDT, 58 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, May 17, 3:56 AM 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>

Local storm report, May 17, 4:10 AM EDT, 31 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
May 16, 9:54 PM EDT	Special Weather Statement	ILN	Mercer	36 min
May 16, 10:14 PM EDT	Special Weather Statement	ILN	Mercer	46 min
May 16, 10:34 PM EDT	Special Weather Statement	ILN	Auglaize	26 min
May 16, 10:52 PM EDT	Severe Thunderstorm Warning	ILN	Mercer	38 min
May 16, 11:22 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer, Shelby	38 min
May 16, 11:43 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer	32 min
May 16, 11:59 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer, Shelby	46 min
May 17, 12:27 AM EDT	Special Weather Statement	ILN	Logan	33 min
May 17, 12:39 AM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Logan, Shelby	51 min
May 17, 12:50 AM EDT	Areal Flood Advisory	ILN	Auglaize, Shelby	3 hr
May 17, 12:51 AM EDT	Special Weather Statement	ILN	Auglaize	24 min
May 17, 1:18 AM EDT	Areal Flood Advisory	ILN	Logan	3 hr
May 17, 1:24 AM EDT	Special Weather Statement	ILN	Franklin	36 min
May 17, 1:28 AM EDT	Special Weather Statement	ILN	Logan	32 min
May 17, 1:38 AM EDT	Special Weather Statement	ILN	Shelby	37 min
May 17, 1:40 AM EDT	Flash Flood Warning	ILN	Auglaize, Shelby	3 hr
May 17, 1:50 AM EDT	Flash Flood Warning	ILN	Logan	3 hr
May 17, 2:08 AM EDT	Areal Flood Advisory	ILN	Mercer	6 hr
May 17, 2:09 AM EDT	Special Weather Statement	ILN	Miami	36 min
May 17, 2:23 AM EDT	Areal Flood Advisory	ILN	Champaign, Logan, Madison, Union	3 hr
May 17, 2:45 AM EDT	Special Weather Statement	ILN	Shelby	30 min
May 17, 6:41 AM EDT	River Flood Warning	ILN	Shelby	46 hr
May 17, 6:41 AM EDT	River Flood Warning	ILN	Champaign, Clark, Greene	22 hr
May 17, 11:05 AM EDT	River Flood Warning	ILN	Franklin, Madison, Pickaway	52 hr
May 17, 3:38 PM EDT	Special Weather Statement	ILN	Clermont	37 min
May 17, 3:54 PM EDT	Special Weather Statement	ILN	Highland	51 min
May 17, 3:58 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clinton, Highland	47 min
May 17, 4:36 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	23 min
May 17, 4:43 PM EDT	Special Weather Statement	ILN	Highland	32 min
May 17, 4:45 PM EDT	Special Weather Statement	ILN	Scioto	30 min
May 17, 5:15 PM EDT	Special Weather Statement	ILN	Pike, Scioto	30 min
May 17, 5:27 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	48 min
May 17, 5:34 PM EDT	Severe Thunderstorm Warning	ILN	Scioto	26 min
May 17, 5:46 PM EDT	Special Weather Statement	ILN	Scioto	29 min
May 17, 5:48 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont	42 min
May 17, 6:01 PM EDT	Special Weather Statement	ILN	Scioto	29 min
May 17, 6:10 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown	32 min
May 17, 6:44 PM EDT	Special Weather Statement	ILN	Licking	31 min
May 17, 7:13 PM EDT	Special Weather Statement	ILN	Licking	32 min
May 17, 3:58 PM EDT	Special Weather Statement	ILN	Carroll	32 min
May 17, 4:34 PM EDT	Special Weather Statement	ILN	Grant	26 min
May 17, 5:05 PM EDT	Special Weather Statement	ILN	Campbell, Kenton	25 min
May 17, 5:17 PM EDT	Special Weather Statement	ILN	Campbell	28 min
May 17, 6:08 PM EDT	Special Weather Statement	ILN	Pendleton	22 min
May 17, 6:24 PM EDT	Special Weather Statement	ILN	Lewis	36 min
May 17, 6:42 PM EDT	Special Weather Statement	ILN	Lewis	33 min
May 17, 4:07 PM EDT	Special Weather Statement	ILN	Dearborn	23 min
May 17, 4:27 PM EDT	Special Weather Statement	ILN	Dearborn	33 min

Nearby

Areal Flood Warnings in Ohio, 2019 Every areal flood warning in 2019

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.