Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 339, NWS Norman, OK

June 12, 1998Love County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 12, 1998, 7:26 PM CDT for Love County, Oklahoma. It was in force for 49 min. 3 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 12, 1998, 7:26 PM CDT (00:26 UTC)
Expired
Jun 12, 1998, 8:15 PM CDT
In force
49 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Love County, OK

What was reported inside it

TimeReportWhereRemark
Jun 12, 7:34 PM CDTHail 0.75Rubottom, OK
Jun 12, 7:35 PM CDTHail 1Rubottom, OK
Jun 12, 7:47 PM CDTHail 0.75Burneyville, 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

Fort Worth, TX (KFWD), launched 00:00Z, 0.4 hours before the alert went out and 125 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, Fort Worth, TX at 00:00Z on 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3579 joules per kilogram.LCLEL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939587897Sfc1 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
3579 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1733 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.3
Supercell composite
9.3

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 12, 3:30 PM CDT, 3 hours 56 minutes earlier.

Area forecast discussion, Jun 12, 3:30 PM CDT, 3 hours 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
330 PM CDT FRI JUN 12 1998

LATEST SURFACE ANALYSIS INDICATES WEAK COLD FRONT ACROSS NORTH CENTRAL
TO WEST CENTRAL ZONES. EXPECT THIS FEATURE TO STALL...THEN RETREAT
NORTHWARD OVERNIGHT. INSTABILITY ANALYSIS REVEALS AXIS OF 4000+
J/KG SURFACE BASED CAPE VALUES ACROSS EXTREME SOUTHEASTERN ZONES.
LOW LEVEL FORCING IS WEAK...DO NOT EXPECT MORE THAN ISOLATED
CONVECTION ACROSS THIS AREA LATE THIS AFTERNOON AND EVENING.

UPPER TROF NOW ACROSS SOUTHERN CALIFORNIA EXPECTED TO MOVE NORTHEAST
THROUGH SHORT TERM PERIOD. SURFACE REFLECTION EXPECTED TO DEVELOP
ACROSS CENTRAL HIGHS PLAINS ON SATURDAY...THEN MOVE EAST. DRYLINE
EXPECTED TO BECOME MORE PRONOUNCED ACROSS THE OKLAHOMA AND TEXAS
PANHANDLES ON SATURDAY...THEN SHOULD MOVE EAST. THE BETTER FORCING
IS EXPECTED WELL TO THE NORTH OF THE CWA...AND ANY FORCING WILL HAVE
TO OVERCOME A MODERATE CAP. STILL EXPECT WIDELY SCATTERED/SCATTERED
CONVECTION ALONG THE BOUNDARY....WITH THE ACTIVITY EXPECTED TO MOVE
EAST-NORTHEAST.

REST OF THE SHORT TERM AND EXTENDED PERIODS APPEAR DRY. COOLER
TEMPERATURES EXPECTED FOR MUCH OF THE EXTENDED PERIODS.

FCSTID = 22
OKC   66  94  69  90 /   0   0  20  10
HBR   60  96  67  91 /   0   0  30   0
SPS   65  97  69  93 /   0   0  20   0
GAG   60  96  62  91 /   0   0  30   0
PNC   66  99  69  93 /   0   0  30  10
DUA   72  96  72  91 /   0   0  20  10

.OUN...
OK...NONE.
BTX...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 4:00 PM CDTSevere Thunderstorm WarningOUNCuster, Dewey30 min
Jun 13, 4:04 PM CDTSevere Thunderstorm WarningOUNGarfield, Grant26 min
Jun 13, 4:27 PM CDTSevere Thunderstorm WarningOUNMajor48 min
Jun 13, 4:35 PM CDTSevere Thunderstorm WarningOUNBlaine40 min
Jun 13, 4:46 PM CDTSevere Thunderstorm WarningOUNKay44 min
Jun 13, 5:08 PM CDTSevere Thunderstorm WarningOUNBlaine, Kingfisher52 min
Jun 13, 5:16 PM CDTTornado WarningOUNBlaine, Kingfisher29 min
Jun 13, 5:25 PM CDTSevere Thunderstorm WarningOUNWashita50 min
Jun 13, 5:33 PM CDTSevere Thunderstorm WarningOUNGarfield, Grant27 min
Jun 13, 5:40 PM CDTSevere Thunderstorm WarningOUNKingfisher35 min
Jun 13, 5:40 PM CDTTornado WarningOUNKingfisher35 min
Jun 13, 5:56 PM CDTSevere Thunderstorm WarningOUNLogan49 min
Jun 13, 6:00 PM CDTSevere Thunderstorm WarningOUNBlaine, Custer45 min
Jun 13, 6:26 PM CDTTornado WarningOUNLogan49 min
Jun 13, 6:30 PM CDTSevere Thunderstorm WarningOUNCaddo, Canadian30 min
Jun 13, 6:42 PM CDTSevere Thunderstorm WarningOUNKingfisher33 min
Jun 13, 6:51 PM CDTSevere Thunderstorm WarningOUNGarfield39 min
Jun 13, 6:56 PM CDTTornado WarningOUNCanadian49 min
Jun 12, 7:00 PM CDTSevere Thunderstorm WarningOUNBaylor, Knox30 min
Jun 12, 7:28 PM CDTSevere Thunderstorm WarningOUNBaylor47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998Every severe thunderstorm warning in 1998

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.