Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 307, NWS Norman, OK

June 16, 1997Hughes County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 16, 1997, 9:51 PM CDT for Hughes County, Oklahoma. It was in force for 39 min. 1 report 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 16, 1997, 9:51 PM CDT (02:51 UTC)
Expired: Jun 16, 1997, 10:30 PM CDT
In force: 39 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Hughes County, OK

The radar

The Norman radar (KTLX), 99 km from the middle of the area, began a volume at 02:52 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 was reported inside it

Time	Report	Where	Remark
Jun 16, 9:52 PM CDT	Hail 0.88	Gerty, 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 16, 4:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.9 hours before the alert went out and 106 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: 3446 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1173 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 6.6

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 16, 3:36 PM CDT, 6 hours 15 minutes earlier.

Area forecast discussion, Jun 16, 3:36 PM CDT, 6 hours 15 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
330 PM CDT MON JUN 16 1997

FCST CONCERNS INCLUDE DEFINING LOCATIONS OF BEST FIRST PERIOD FLASH
FLOOD AND SEVERE POTENTIAL. LATEST SFC ANALYSIS INDICATES CDFNT NEAR
A TUL...OUN...TO LBB LINE. SATL IMAGERY SHOWS UPPER LOW CENTERED OVR
ERN NM. LOCAL RADARS INDICATE CONVECTION DEVELOPING FROM SWRN KS THRU
TX PNDHL...IN REGION OF STEEPEST LAPSE RATES. ARPS DATA INDICATES
SMALL AREA OF 2000-2500 J/KG CAPE VALUES ACRS THE NORTHWEST ZNS. FEEL
THE ACTIVITY ACRS THE NORTHWEST WL WEAKEN AFTER SUNSET.

ARPS DATA ALSO INDICATES GOOD INSTABILITY ACROSS MUCH OF THE CENTRAL
AND SOUTHERN ZNS...AND ARPS DATA INDICATES CAPE VALUES FROM 4500-5500
J/KG EXTENDING FROM ADM...DUA...TO SEMINOLE AND HUGHES COUNTIES.
EXPECT RAPID DEVELOPMENT ACRS THIS AREA WITHIN NEXT HOUR.

WITH HIGH PW VALUES ACROSS MUCH OF CWA SOUTH OF THE FRONT..WL ISSUE
FLASH FLOOD WATCH OVERNIGHT ACRS THE SRN ZNS...AS UPPER LEVEL LOW
COMBINES WITH FORCING ALONG THE SLOW MOVING BOUNDARY TO PRODUCE
EFFICIENT...SLOW MOVING CONVECTION.

MDLS ARE SIMILAR WITH PSN OF UPPER LOW...MOVING EAST TO AR BY 00Z
WED. WL HV SLIGHT CHC/CHC MORNING POPS FOR THE CENTRAL AND SERN ZNS
FOR TUE.

MEDIUM RANGE MDLS INDICATE WARMING TREND BY END OF THE WEEK.

COORD WITH TUL.

FCSTID = 22
OKC   64  85  65  88 /  60  30   0   0
HBR   61  85  63  90 /  50  10   0   0
SPS   65  86  65  93 /  70  10   0   0
GAG   60  84  59  90 /  50  10   0   0
PNC   61  84  64  88 /  50  20   0   0
DUA   67  86  67  87 /  80  30  10   0

.OKC...
OK...FLASH FLOOD WATCH TONIGHT FOR ZONES
OKZ032...OKZ037...OKZ039...OKZ041>053.

TX...FLASH FLOOD WATCH TONIGHT FOR ZONES
TXZ085>090.

CB

In the hours before

Local storm report, Jun 16, 9:13 PM CDT, 38 minutes before

LOCAL STORM REPORT...CORRECTED...
NATIONAL WEATHER SERVICE NORMAN OK
0904 PM CDT MON JUN 16 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0900 PM    4 S TIPTON                OK   59 MPH WIND GUST...MEASURED
06/16/97   TILLMAN                        OKLAHOMA MESONETWORK

0835 PM    4 SW WEATHERFORD        OK    60 MPH WIND GUST...MEASURED
06/16/97   CUSTER                         OKLAHOMA MESONETWORK

Local storm report, Jun 16, 9:14 PM CDT, 37 minutes before

LOCAL STORM REPORT...CORRECTED...
NATIONAL WEATHER SERVICE NORMAN OK
0904 PM CDT MON JUN 16 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0900 PM    4 S TIPTON                OK   59 MPH WIND GUST...MEASURED
06/16/97   TILLMAN                        OKLAHOMA MESONETWORK

0835 PM    4 SW WEATHERFORD          OK   60 MPH WIND GUST...MEASURED
06/16/97   CUSTER                         OKLAHOMA MESONETWORK

Local storm report, Jun 16, 9:15 PM CDT, 36 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
915 PM CDT MON JUN 16 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0820 PM    ELDORADO                  OK   67 MPH WIND.
06/16/97   JACKSON

MCCAMMON

Local storm report, Jun 16, 9:15 PM CDT, 36 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
915 PM CDT MON JUN 16 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0820 PM    ELDORADO                  OK   67 MPH WIND.
06/16/97   JACKSON

MCCAMMON

Local storm report, Jun 16, 9:32 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>

Local storm report, Jun 16, 9:40 PM CDT, 11 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
Jun 16, 7:00 PM CDT	Severe Thunderstorm Warning	OUN	Pushmataha	30 min
Jun 16, 7:01 PM CDT	Flash Flood Warning	OUN	Kay	3 hr
Jun 16, 7:14 PM CDT	Severe Thunderstorm Warning	OUN	Love, Marshall	46 min
Jun 16, 7:30 PM CDT	Severe Thunderstorm Warning	OUN	Pushmataha	30 min
Jun 16, 7:33 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Washita	42 min
Jun 16, 7:50 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	55 min
Jun 16, 8:09 PM CDT	Severe Thunderstorm Warning	OUN	Custer	51 min
Jun 16, 8:14 PM CDT	Severe Thunderstorm Warning	OUN	Johnston	46 min
Jun 16, 8:17 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	43 min
Jun 16, 8:32 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes	43 min
Jun 16, 8:38 PM CDT	Severe Thunderstorm Warning	OUN	Stephens	52 min
Jun 16, 8:42 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	48 min
Jun 16, 8:46 PM CDT	Severe Thunderstorm Warning	OUN	Garvin	44 min
Jun 16, 8:50 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	40 min
Jun 16, 8:52 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	53 min
Jun 16, 9:01 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	44 min
Jun 16, 9:01 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa	44 min
Jun 16, 9:05 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Grady	40 min
Jun 16, 9:09 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Pontotoc	51 min
Jun 16, 9:14 PM CDT	Severe Thunderstorm Warning	OUN	Hughes	46 min
Jun 16, 9:20 PM CDT	Flash Flood Warning	OUN	Hughes	3 hr
Jun 16, 9:26 PM CDT	Severe Thunderstorm Warning	OUN	Stephens	49 min
Jun 16, 9:27 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	48 min
Jun 16, 9:31 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain	44 min
Jun 16, 9:43 PM CDT	Severe Thunderstorm Warning	OUN	Grady	47 min
Jun 16, 9:54 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson	51 min
Jun 16, 9:57 PM CDT	Severe Thunderstorm Warning	OUN	Carter	48 min
Jun 16, 10:10 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Stephens	50 min
Jun 16, 10:11 PM CDT	Severe Thunderstorm Warning	OUN	Seminole	49 min
Jun 16, 10:29 PM CDT	Flash Flood Warning	OUN	Stephens	106 min
Jun 16, 8:41 PM CDT	Severe Thunderstorm Warning	OUN	Knox	49 min
Jun 16, 9:06 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Wichita	39 min
Jun 16, 9:44 PM CDT	Severe Thunderstorm Warning	OUN	Clay	46 min
Jun 16, 9:46 PM CDT	Severe Thunderstorm Warning	OUN	Archer	44 min
Jun 16, 9:49 PM CDT	Severe Thunderstorm Warning	OUN	Wichita	41 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; radar from the NEXRAD Level II archive.