Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 366, NWS Norman, OK

June 6, 1994Jefferson County, Stephens County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 6, 1994, 11:44 PM CDT for Jefferson County, Stephens County, Oklahoma. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1994, 11:44 PM CDT (04:44 UTC)
Expired
Jun 7, 1994, 12:30 AM CDT
In force
46 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Jefferson County, OK, Stephens County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.7 hours before the alert went out and 110 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1994-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2476 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1994-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2476 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
941 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.0

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 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 Jun 6, 4:08 PM CDT, 7 hours 36 minutes earlier.

Area forecast discussion, Jun 6, 4:08 PM CDT, 7 hours 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OKLAHOMA
331 PM CDT MON JUN 6 1994

CNVCTN FIRG ALG DRYLN IN W TX AND EXPC WL SPRD AS FAR E AS WRN ZNS
THIS EVE BFR DCRG/DSIPTG BFR REACHG CNTRL SECS. CD BE REPEAT AGAIN FOR
TUE AFTN AND EVE FOR DRYLN CNVCTN IF CAP DOEST INCR. EXPC DRYLN WL
BE A LTL FRTHR E AND WD ALW CNVCTN TO PSBLY REACH CNTRL SECS TUE
NGT BFT DCRG. LTL UPR DYNMICS WL BE AVBL THIS AREA TO AID CNVCTN AS
STG UPR LO TO PUSH SLOLY EWD ACRS CNTRL/NRN PLNS. SFC RDG BLDG BHD UPR
SYS WL SUPRT CDFNT TO PUSH SEWD INTO NW OK LT WED AND THRU ALL BUT EXTRM
SE ON THU. FNT TO CONT TO SAG SEWD AND SHD BE S OF AREA BY SAT.

FCSTID=06
HBR   70  95  70  97 / 20  20  30  30
OKC   70  90  71  93 / 10  10  20  30
SPS   72  95  72  98 / 10  10  10  20
GAG   68  95  65  93 / 20  20  30  40
PNC   70  92  71  94 / 10  10  20  40
DUA   70  91  71  94 / 10  10  10  10

.OKC...NONE.
.TX...NONE.

In the hours before

Local storm report, Jun 6, 9:55 PM CDT, 1 hour 49 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 6, 9:59 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>
Local storm report, Jun 6, 10:03 PM CDT, 1 hour 41 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 6, 10:03 PM CDT, 1 hour 41 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 6, 10:38 PM CDT, 1 hour 6 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 6, 10:38 PM CDT, 1 hour 6 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.

IssuedProductOfficeCountiesLasted
Jun 6, 7:00 PM CDTSevere Thunderstorm WarningOUNCuster45 min
Jun 6, 7:42 PM CDTSevere Thunderstorm WarningOUNCuster48 min
Jun 6, 8:26 PM CDTSevere Thunderstorm WarningOUNCuster49 min
Jun 6, 8:53 PM CDTFlash Flood WarningOUNCuster4 hr
Jun 6, 9:11 PM CDTTornado WarningOUNCuster34 min
Jun 6, 9:28 PM CDTSevere Thunderstorm WarningOUNWashita47 min
Jun 6, 9:36 PM CDTTornado WarningOUNWashita24 min
Jun 6, 10:15 PM CDTSevere Thunderstorm WarningOUNWashita45 min
Jun 6, 10:37 PM CDTSevere Thunderstorm WarningOUNTillman53 min
Jun 6, 10:56 PM CDTSevere Thunderstorm WarningOUNCotton49 min
Jun 6, 8:23 PM CDTSevere Thunderstorm WarningOUNHardeman52 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning in 1994

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.