Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 259, NWS Norman, OK

June 14, 1997Jackson County, Tillman County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 14, 1997, 9:13 PM CDT for Jackson County, Tillman County, Oklahoma. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 14, 1997, 9:13 PM CDT (02:13 UTC)
Expired: Jun 14, 1997, 10:00 PM CDT
In force: 47 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Jackson County, OK, Tillman County, OK

What was reported inside it

Time	Report	Where	Remark
Jun 14, 9:40 PM CDT	Thunderstorm Wind 52	Davidson, OK
Jun 14, 10:10 PM CDT	Thunderstorm Wind 52	Frederick, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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 14, 7:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.2 hours before the alert went out and 181 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: 867 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1505 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 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 14, 3:41 PM CDT, 5 hours 32 minutes earlier.

Area forecast discussion, Jun 14, 3:41 PM CDT, 5 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>

In the hours before

Special weather statement, Jun 14, 7:03 PM CDT, 2 hours 10 minutes before

OKZ004>053-TXZ083>090-141230-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
705 PM CDT SAT JUN 14 1997

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS
ABOUT THE WESTERN THIRD OF OKLAHOMA AND WESTERN NORTH TEXAS.  THE
MAIN THREATS WILL BE LARGE HAIL AND DAMAGING WINDS...

A COMPLEX OF SEVERE THUNDERSTORMS OVER WEST TEXAS AND THE TEXAS
PANHANDLE IS EXPECTED TO PROGRESS EAST NORTHEASTWARD INTO PARTS OF NORTH
TEXAS AND OKLAHOMA THIS EVENING.  THE STORMS HAVE DEVELOPED IN AN AREA
OF VERY HIGH INSTABILITY AND LOW LEVEL MOISTURE.  AS THE STORMS PROGRESS
FARTHER EAST AND NORTH...THEY WILL ENCOUNTER SOMEWHAT LESS FAVORABLE
CONDITIONS.  THE STORMS SHOULD BEGIN TO WEAKEN AS THEY ENTER THE
SLIGHT RISK AREA AND MOST SHOULD BE BELOW SEVERE LEVELS BEFORE THEY MOVE
EAST OF THAT AREA.  AS A RESULT...THE MAIN THREAT OF SEVERE WEATHER WILL
BE BEFORE MIDNIGHT.

THE MAIN THREATS WILL BE LARGE HAIL AND STRONG WINDS.  RELATIVELY LIGHT
LOW- AND MID-LEVEL WINDS WILL LIMIT THE CHANCES OF SUPERCELL
DEVELOPMENT.

CMS

Special weather statement, Jun 14, 7:05 PM CDT, 2 hours 8 minutes before

OKZ004>053-TXZ083>090-141230-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
705 PM CDT SAT JUN 14 1997

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS
ABOUT THE WESTERN THIRD OF OKLAHOMA AND WESTERN NORTH TEXAS.  THE
MAIN THREATS WILL BE LARGE HAIL AND DAMAGING WINDS...

A COMPLEX OF SEVERE THUNDERSTORMS OVER WEST TEXAS AND THE TEXAS
PANHANDLE IS EXPECTED TO PROGRESS EAST NORTHEASTWARD INTO PARTS OF NORTH
TEXAS AND OKLAHOMA THIS EVENING.  THE STORMS HAVE DEVELOPED IN AN AREA
OF VERY HIGH INSTABILITY AND LOW LEVEL MOISTURE.  AS THE STORMS PROGRESS
FARTHER EAST AND NORTH...THEY WILL ENCOUNTER SOMEWHAT LESS FAVORABLE
CONDITIONS.  THE STORMS SHOULD BEGIN TO WEAKEN AS THEY ENTER THE
SLIGHT RISK AREA AND MOST SHOULD BE BELOW SEVERE LEVELS BEFORE THEY MOVE
EAST OF THAT AREA.  AS A RESULT...THE MAIN THREAT OF SEVERE WEATHER WILL
BE BEFORE MIDNIGHT.

THE MAIN THREATS WILL BE LARGE HAIL AND STRONG WINDS.  RELATIVELY LIGHT
LOW- AND MID-LEVEL WINDS WILL LIMIT THE CHANCES OF SUPERCELL
DEVELOPMENT.

CMS

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 10:05 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	30 min
Jun 14, 10:36 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	29 min
Jun 14, 9:02 PM CDT	Severe Thunderstorm Warning	OUN	Knox	43 min
Jun 14, 10:53 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	37 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.