Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 212, NWS Tulsa, OK

June 19, 2019Choctaw County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 19, 2019, 6:34 PM CDT for Choctaw County, Oklahoma. It was in force for 41 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 19, 2019, 6:34 PM CDT (23:34 UTC)
Expired: Jun 19, 2019, 7:15 PM CDT
In force: 41 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Choctaw County, OK

The radar

The Western Arkansas radar (KSRX), 178 km from the middle of the area, began a volume at 23:35 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 19, 3:58 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.6 hours before the alert went out and 209 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: 12 J/kg
Mixed-layer CIN: -564 J/kg
Mixed-layer LCL: 1479 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 6:15 PM CDT, 19 minutes earlier.

Area forecast discussion, Jun 19, 6:15 PM CDT, 19 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 19, 5:49 PM CDT, 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>

In the hours before

Local storm report, Jun 19, 3:00 PM CDT, 3 hours 34 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 19, 5:55 PM CDT, 39 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 19, 6:01 PM CDT, 33 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 Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 7:14 PM CDT	Special Weather Statement	TSA	Osage	46 min
Jun 18, 7:26 PM CDT	Severe Thunderstorm Warning	TSA	Osage	49 min
Jun 18, 8:10 PM CDT	Severe Thunderstorm Warning	TSA	Osage	50 min
Jun 18, 8:15 PM CDT	Special Weather Statement	TSA	Washington	30 min
Jun 18, 8:23 PM CDT	Tornado Warning	TSA	Osage	40 min
Jun 18, 8:34 PM CDT	Special Weather Statement	TSA	Nowata	26 min
Jun 18, 9:01 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa, Washington	44 min
Jun 18, 9:19 PM CDT	Special Weather Statement	TSA	Ottawa	26 min
Jun 18, 9:31 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Washington	44 min
Jun 18, 9:47 PM CDT	Special Weather Statement	TSA	Ottawa	28 min
Jun 18, 10:06 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	39 min
Jun 18, 10:12 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	48 min
Jun 18, 10:41 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	49 min
Jun 18, 10:46 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	44 min
Jun 18, 11:11 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Rogers, Wagoner	49 min
Jun 18, 11:58 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Muskogee, Wagoner	47 min
Jun 19, 2:48 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Haskell, Latimer, McIntosh, Muskogee, Pittsburg and 1 more	57 min
Jun 19, 2:56 AM CDT	Special Weather Statement	TSA	McIntosh, Okmulgee	34 min
Jun 19, 3:19 AM CDT	Special Weather Statement	TSA	McIntosh, Muskogee	56 min
Jun 19, 3:33 AM CDT	Areal Flood Advisory	TSA	Craig, Nowata, Ottawa	117 min
Jun 19, 3:45 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	60 min
Jun 19, 3:53 AM CDT	Special Weather Statement	TSA	Mayes, Wagoner	52 min
Jun 19, 4:09 AM CDT	Special Weather Statement	TSA	Adair, Cherokee, Sequoyah	51 min
Jun 19, 4:28 AM CDT	Special Weather Statement	TSA	Delaware	47 min
Jun 19, 5:01 AM CDT	Special Weather Statement	TSA	Adair	44 min
Jun 19, 8:48 AM CDT	River Flood Warning	TSA	Nowata	31 hr
Jun 19, 5:55 PM CDT	Special Weather Statement	TSA	Choctaw	35 min
Jun 19, 6:01 PM CDT	Special Weather Statement	TSA	Choctaw	29 min
Jun 19, 4:46 AM CDT	Special Weather Statement	TSA	Sebastian	44 min
Jun 19, 5:32 AM CDT	Special Weather Statement	TSA	Franklin	43 min
Jun 19, 5:43 AM CDT	Areal Flood Advisory	TSA	Benton, Washington	2 hr
Jun 19, 5:45 AM CDT	Special Weather Statement	TSA	Madison, Washington	45 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2019 Every severe thunderstorm 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.