Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 461, NWS Norman, OK

June 18, 1996Garfield County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 18, 1996, 8:34 PM CDT for Garfield County, Oklahoma. It was in force for 56 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 18, 1996, 8:34 PM CDT (01:34 UTC)
Expired
Jun 18, 1996, 9:30 PM CDT
In force
56 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Garfield County, OK

What was reported inside it

TimeReportWhereRemark
Jun 18, 9:00 PM CDTThunderstorm Wind 56Waukomis, 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.6 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1996-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1313 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 1996-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 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
1313 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
2174 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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 18, 3:21 PM CDT, 5 hours 13 minutes earlier.

Area forecast discussion, Jun 18, 3:21 PM CDT, 5 hours 13 minutes before
AREA FORECAST DISCUSSION...CORRECTED...
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
315 PM CDT TUE JUN 18 1996

TOWERS/CONVECTION BEGINNING TO GO ALONG A TROF AXIS IN THE WRN OKLA
AND NWRN TX PANHANDLES.  CONVECTION SHOULD CONTINUE TO DVLP IN THE
HIGH PLAINS THIS AFT/EVE AND CHCS ARE A BIT BETTER THAN YDA THAT IT
COULD WORK INTO WRN ZNS TNGT WITH STGR UPR LEVEL FLOW OVR WTX.  WARM
MID LEVEL TEMPS BEGIN TO FILTER BACK INTO THE STATE TMW AND SHOULD
BEGIN TO REDUCE TSTM CHANCES.  BUT AGAIN FOR TMW NIGHT AM
CONCERNED ABOUT TSTM DVLPMT ON THE HIGH PLAINS AT NRN EDGE OF THE
CAP.  IF DVLPMT DOES OCCUR...THESE COULD WANDER SEWD INTO FA.  AFTER
TMW NIGHT WL REMOVE POPS FROM PKG UNTIL SUNDAY.  OTHERWISE... LOOK
FOR CLOSE TO THE WARMEST AIR OF THE YEAR THRU MUCH OF THE AREA. WL GO
NR OR SLGTLY ABV MOS NUMBERS.

...SPEG
OKC   73  99  74  99 /  10  10  20  10
HBR   73 100  74 100 /  10  10  10   0
SPS   73 102  74 102 /  10  10  10   0
GAG   66 100  69 101 /  20  10  20  10
PNC   75 102  76 102 /  20  10  20  10
DUA   74  98  75  99 /  10  10  20  10

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

In the hours before

Special weather statement, Jun 18, 5:32 PM CDT, 3 hours 2 minutes before
OKZ004>053-TXZ083>090-190030-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
535 PM CDT TUE JUN 18 1996

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING ACROSS PARTS OF
WESTERN OKLAHOMA AND WESTERN NORTH TEXAS. THIS AREA IS GENERALLY TO THE
WEST OF A LINE FROM GAGE...TO CLINTON...TO SEYMOUR TEXAS.

THUNDERSTORMS HAVE DEVELOPED LATE THIS AFTERNOON ACROSS SECTIONS OF THE
TEXAS PANHANDLE. THESE THUNDERSTORMS ARE EXPECTED TO TRACK
EAST-SOUTHEAST...AND SOME MAY REACH SECTIONS OF WESTERN OKLAHOMA AND
WESTERN NORTH TEXAS THIS EVENING. THE ATMOSPHERE HAS BECOME VERY
UNSTABLE ACROSS WESTERN OKLAHOMA AND WESTERN NORTH TEXAS. A FEW OF THESE
THUNDERSTORMS WILL BE CAPABLE OF BECOMING SEVERE.  THE MAIN THREAT OF
FROM THUNDERSTORMS WILL BE LARGE HAIL AND DAMAGING WINDS.

THE THREAT OF SEVERE THUNDERSTORMS IS EXPECTED TO END LATE THIS
EVENING...AS THE ATMOSPHERE BECOMES MORE STABLE DUE TO LOSS OF SOLAR
HEATING.

LIMITED SP
OTTER ACTIVATION MAY BE REQUIRED ACROSS WESTERN OKLAHOMA AND
WESTERN NORTH TEXAS THIS EVENING.

22

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:25 PM CDTSevere Thunderstorm WarningOUNHarmon50 min
Jun 18, 7:34 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Grant56 min
Jun 18, 7:35 PM CDTSevere Thunderstorm WarningOUNHarper40 min
Jun 18, 7:46 PM CDTTornado WarningOUNHarper44 min
Jun 18, 7:51 PM CDTSevere Thunderstorm WarningOUNJackson39 min
Jun 18, 8:16 PM CDTSevere Thunderstorm WarningOUNWoods59 min
Jun 18, 8:19 PM CDTSevere Thunderstorm WarningOUNTillman41 min
Jun 18, 8:24 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Grant51 min
Jun 18, 8:28 PM CDTTornado WarningOUNHarper32 min
Jun 18, 8:39 PM CDTSevere Thunderstorm WarningOUNKiowa51 min
Jun 18, 8:48 PM CDTSevere Thunderstorm WarningOUNMajor42 min
Jun 18, 9:00 PM CDTSevere Thunderstorm WarningOUNHarper60 min
Jun 18, 9:11 PM CDTSevere Thunderstorm WarningOUNJackson, Tillman49 min
Jun 18, 9:28 PM CDTSevere Thunderstorm WarningOUNGarfield, Major47 min
Jun 18, 9:35 PM CDTSevere Thunderstorm WarningOUNWoodward40 min
Jun 18, 9:41 PM CDTSevere Thunderstorm WarningOUNBlaine, Kingfisher49 min
Jun 18, 10:12 PM CDTSevere Thunderstorm WarningOUNCanadian, Logan, Oklahoma63 min
Jun 18, 10:29 PM CDTSevere Thunderstorm WarningOUNKingfisher46 min
Jun 18, 8:01 PM CDTSevere Thunderstorm WarningOUNHardeman59 min
Jun 18, 8:42 PM CDTSevere Thunderstorm WarningOUNWichita63 min
Jun 18, 8:57 PM CDTSevere Thunderstorm WarningOUNWilbarger48 min
Jun 18, 9:45 PM CDTSevere Thunderstorm WarningOUNBaylor60 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996

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.