Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 654, NWS Norman, OK

August 16, 2020Atoka County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Aug 16, 2020, 2:07 PM CDT for Atoka County, Oklahoma. It was in force for 56 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: Aug 16, 2020, 2:07 PM CDT (19:07 UTC)
Expired: Aug 16, 2020, 3:03 PM CDT
In force: 56 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Atoka County, OK

The radar

The Norman radar (KTLX), 155 km from the middle of the area, began a volume at 19:09 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.

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 16, 12:55 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Aug 16, 12:55 PM CDT, 1 hour 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>

Hazardous weather outlook, Aug 16, 12:12 PM CDT, 1 hour 55 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
1212 PM CDT Sun Aug 16 2020

OKZ004>048-050>052-TXZ083>090-171715-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
1212 PM CDT Sun Aug 16 2020

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...Through Tonight...

.Heat...
Heat index values of 105 to 110 are expected in southern Oklahoma
and western north Texas this afternoon.

.Thunderstorms...
An area of thunderstorms will continue to progress southeastward
across northwestern and north central Oklahoma through lunchtime.
Hail up to the size of nickels and wind gusts exceeding 50 mph
will be possible with the strongest storms.

Later this afternoon through tonight, thunderstorms will redevelop
over southwestern and southern Oklahoma, and north Texas. A few
of these storms may become severe, with a threat of hail up to the
size of quarters and wind gusts exceeding 60 mph.

.DAYS TWO THROUGH SEVEN...Monday through Saturday...

.Thunderstorms...
Scattered thunderstorms will continue over western and
southwestern Oklahoma, and north Texas into Monday morning. A few
strong storms will be possible.

Low thunderstorm chances return to northwestern and western
Oklahoma late Tuesday night through early Wednesday morning, and
again late Thursday night through early Friday morning.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

In the hours before

Special weather statement, Aug 16, 10:20 AM CDT, 3 hours 47 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, Aug 16, 10:24 AM CDT, 3 hours 43 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, Aug 16, 11:02 AM CDT, 3 hours 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>

Special weather statement, Aug 16, 12:22 PM CDT, 1 hour 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>

Special weather statement, Aug 16, 12:40 PM CDT, 1 hour 27 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, Aug 16, 1:57 PM CDT, 10 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 Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 16, 7:26 AM CDT	Special Weather Statement	OUN	Woods	49 min
Aug 16, 7:58 AM CDT	Special Weather Statement	OUN	Woods	62 min
Aug 16, 8:57 AM CDT	Special Weather Statement	OUN	Alfalfa, Woods	63 min
Aug 16, 9:29 AM CDT	Special Weather Statement	OUN	Harper	61 min
Aug 16, 9:51 AM CDT	Special Weather Statement	OUN	Garfield	39 min
Aug 16, 9:52 AM CDT	Special Weather Statement	OUN	Woods	53 min
Aug 16, 10:20 AM CDT	Special Weather Statement	OUN	Harper	25 min
Aug 16, 10:24 AM CDT	Special Weather Statement	OUN	Major	51 min
Aug 16, 10:35 AM CDT	Areal Flood Advisory	OUN	Harper	3 hr
Aug 16, 10:54 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Major	51 min
Aug 16, 11:02 AM CDT	Special Weather Statement	OUN	Harper	28 min
Aug 16, 11:38 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Major	52 min
Aug 16, 12:18 PM CDT	Heat Advisory	OUN	Atoka, Bryan, Carter, Coal, Garvin, Hughes and 8 more	7 hr
Aug 16, 12:22 PM CDT	Special Weather Statement	OUN	Blaine	53 min
Aug 16, 12:40 PM CDT	Special Weather Statement	OUN	Kingfisher, Logan	35 min
Aug 16, 1:57 PM CDT	Special Weather Statement	OUN	Atoka	33 min
Aug 16, 2:24 PM CDT	Special Weather Statement	OUN	McClain	51 min
Aug 16, 2:43 PM CDT	Special Weather Statement	OUN	McClain	47 min
Aug 16, 2:49 PM CDT	Special Weather Statement	OUN	McClain	41 min
Aug 16, 3:02 PM CDT	Special Weather Statement	OUN	Roger Mills	58 min
Aug 16, 3:05 PM CDT	Special Weather Statement	OUN	Bryan	40 min
Aug 16, 3:08 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain	52 min
Aug 16, 3:14 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain	46 min
Aug 16, 3:22 PM CDT	Special Weather Statement	OUN	Johnston	38 min
Aug 16, 3:42 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Murray	63 min
Aug 16, 3:48 PM CDT	Special Weather Statement	OUN	Bryan	42 min
Aug 16, 3:57 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Murray	63 min
Aug 16, 4:10 PM CDT	Special Weather Statement	OUN	Custer, Roger Mills	35 min
Aug 16, 4:13 PM CDT	Special Weather Statement	OUN	Marshall	47 min
Aug 16, 4:19 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Love, Stephens	56 min
Aug 16, 4:20 PM CDT	Special Weather Statement	OUN	Jefferson	55 min
Aug 16, 4:33 PM CDT	Areal Flood Advisory	OUN	Carter, Johnston, Marshall, Murray	3 hr
Aug 16, 4:46 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Love, Marshall, Murray	56 min
Aug 16, 5:07 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Love	68 min
Aug 16, 5:36 PM CDT	Severe Thunderstorm Warning	OUN	Love, Marshall	39 min
Aug 16, 5:41 PM CDT	Special Weather Statement	OUN	Greer, Harmon, Jackson, Kiowa	49 min
Aug 16, 5:51 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Greer, Harmon, Jackson, Kiowa, Tillman	39 min
Aug 16, 5:54 PM CDT	Special Weather Statement	OUN	Marshall	66 min
Aug 16, 6:09 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	51 min
Aug 16, 6:33 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson, Tillman	42 min
Aug 16, 4:19 PM CDT	Special Weather Statement	OUN	Foard	26 min
Aug 16, 4:36 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman	39 min
Aug 16, 4:43 PM CDT	Special Weather Statement	OUN	Knox	32 min
Aug 16, 5:19 PM CDT	Special Weather Statement	OUN	Foard	26 min
Aug 16, 5:20 PM CDT	Special Weather Statement	OUN	Foard	25 min
Aug 16, 5:43 PM CDT	Severe Thunderstorm Warning	OUN	Foard	47 min
Aug 16, 5:49 PM CDT	Special Weather Statement	OUN	Clay	26 min
Aug 16, 5:59 PM CDT	Areal Flood Advisory	OUN	Foard	3 hr
Aug 16, 6:18 PM CDT	Special Weather Statement	OUN	Wilbarger	27 min
Aug 16, 6:25 PM CDT	Special Weather Statement	OUN	Clay	35 min
Aug 16, 6:37 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wilbarger	53 min
Aug 16, 6:40 PM CDT	Severe Thunderstorm Warning	OUN	Clay	65 min
Aug 16, 6:54 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Foard, Knox, Wilbarger	51 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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; radar from the NEXRAD Level II archive.