Alert archive / Oklahoma / Flash Flood Warnings in 1999

Flash Flood Warning 33, NWS Norman, OK

June 1, 1999Garfield County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 1, 1999, 1:10 AM CDT for Garfield County, Oklahoma. It was in force for 3 hr. 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 1, 1999, 1:10 AM CDT (06:10 UTC)
Expired: Jun 1, 1999, 4:15 AM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Garfield County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.2 hours before the alert went out and 133 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: 1985 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1255 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at May 31, 9:40 PM CDT, 3 hours 30 minutes earlier.

Area forecast discussion, May 31, 9:40 PM CDT, 3 hours 30 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        Please try again in a few minutes.
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      <p class="small" id="detail">
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In the hours before

Local storm report, May 31, 9:52 PM CDT, 3 hours 18 minutes before

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    <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.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, May 31, 10:41 PM CDT, 2 hours 29 minutes before

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<head>
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<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.
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Local storm report, May 31, 10:41 PM CDT, 2 hours 29 minutes before

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<html lang="en">
<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
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</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>
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</body>
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Local storm report, May 31, 10:48 PM CDT, 2 hours 22 minutes before

<!doctype html>
<html lang="en">
<head>
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  <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 31, 10:48 PM CDT, 2 hours 22 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 1, 1:06 AM CDT, 4 minutes before

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<html lang="en">
<head>
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  <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
May 31, 7:06 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon	39 min
May 31, 7:11 PM CDT	Severe Thunderstorm Warning	OUN	Kiowa	49 min
May 31, 7:13 PM CDT	Tornado Warning	OUN	Beckham	32 min
May 31, 7:25 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Major, Woods, Woodward	50 min
May 31, 7:25 PM CDT	Tornado Warning	OUN	Greer	35 min
May 31, 7:42 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	48 min
May 31, 7:45 PM CDT	Tornado Warning	OUN	Harmon	30 min
May 31, 7:48 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	57 min
May 31, 7:56 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Kiowa, Washita	49 min
May 31, 8:01 PM CDT	Tornado Warning	OUN	Greer	29 min
May 31, 8:18 PM CDT	Tornado Warning	OUN	Greer, Jackson	27 min
May 31, 8:25 PM CDT	Tornado Warning	OUN	Woods	65 min
May 31, 8:25 PM CDT	Tornado Warning	OUN	Greer, Kiowa	35 min
May 31, 8:39 PM CDT	Flash Flood Warning	OUN	Beckham	2 hr
May 31, 8:44 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Kiowa, Washita	46 min
May 31, 8:48 PM CDT	Tornado Warning	OUN	Jackson, Kiowa	27 min
May 31, 8:56 PM CDT	Severe Thunderstorm Warning	OUN	Dewey	49 min
May 31, 9:06 PM CDT	Tornado Warning	OUN	Comanche, Kiowa	24 min
May 31, 9:23 PM CDT	Severe Thunderstorm Warning	OUN	Caddo	52 min
May 31, 9:25 PM CDT	Tornado Warning	OUN	Comanche, Kiowa	35 min
May 31, 9:28 PM CDT	Tornado Warning	OUN	Woods	62 min
May 31, 9:32 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	28 min
May 31, 9:56 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton	64 min
May 31, 10:04 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	41 min
May 31, 10:11 PM CDT	Tornado Warning	OUN	Alfalfa	34 min
May 31, 10:22 PM CDT	Severe Thunderstorm Warning	OUN	Stephens	53 min
May 31, 10:28 PM CDT	Severe Thunderstorm Warning	OUN	Woods	47 min
May 31, 10:41 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	64 min
May 31, 11:00 PM CDT	Severe Thunderstorm Warning	OUN	Cotton	60 min
May 31, 11:01 PM CDT	Tornado Warning	OUN	Alfalfa	29 min
May 31, 11:17 PM CDT	Tornado Warning	OUN	Grant	43 min
May 31, 11:29 PM CDT	Flash Flood Warning	OUN	Alfalfa	2 hr
May 31, 11:57 PM CDT	Tornado Warning	OUN	Garfield	33 min
May 31, 11:59 PM CDT	Severe Thunderstorm Warning	OUN	Grant	46 min
Jun 1, 12:33 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Grady	42 min
Jun 1, 12:50 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma	55 min
Jun 1, 5:41 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes	49 min
Jun 1, 6:23 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston	52 min
May 31, 7:49 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Knox	41 min
May 31, 8:17 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor	43 min
May 31, 8:56 PM CDT	Severe Thunderstorm Warning	OUN	Baylor	49 min
May 31, 9:50 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor	40 min
May 31, 10:33 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor	57 min
May 31, 11:07 PM CDT	Severe Thunderstorm Warning	OUN	Wichita	38 min

Nearby

Flash Flood Warnings in Oklahoma, 1999 Every flash flood warning in 1999

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.