Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 167, NWS Tulsa, OK

June 13, 1997LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 13, 1997, 6:27 PM CDT for LeFlore County, Oklahoma. It was in force for 48 min. 4 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 13, 1997, 6:27 PM CDT (23:27 UTC)
Expired
Jun 13, 1997, 7:15 PM CDT
In force
48 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County LeFlore County, OK

What was reported inside it

TimeReportWhereRemark
Jun 13, 6:50 PM CDTHail 0.75Nr Page, OK
Jun 13, 7:05 PM CDTHail 2.5Page, OK
Jun 13, 7:11 PM CDTHail 1.75Page, OK
Jun 13, 7:15 PM CDTHail 2Page, OKA severe thunderstorm produced tennis ball size hail 2 miles southeast of Page, hail up to 2 inches in diameter at Page, and dime size hail near Page.

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

Springfield, MO (KSGF), launched 12:00Z, 11.5 hours before the alert went out and 237 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, Springfield, MO at 12:00Z on 1997-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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, Springfield, MO at 12:00Z on 1997-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -200 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
39 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
509 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-200 m²/s²
0-3 km storm-relative helicity
-156 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 132328
SVRTUL
OKC079-140015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
627 PM CDT FRI JUN 13 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST OKLAHOMA
 
   ...SOUTHERN LE FLORE COUNTY
 
AT 625 PM...RADAR SHOWED A SEVERE THUNDERSTORM 6 MILES EAST OF HEAVENER
MOVING EAST SOUTHEAST AT 25 MPH. HEAVENER AND HODGENS ARE NEAR THE PATH
OF THIS STORM.
 
 
HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS.
TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE
OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY.
MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER
DRIVE ONTO A FLOODED ROAD.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.


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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 2:56 PM CDT, 3 hours 31 minutes earlier.

Area forecast discussion, Jun 13, 2:56 PM CDT, 3 hours 31 minutes before
FPUS3 KTUL 131955
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
256 PM CDT FRI JUN 13 1997

SFC BNDRY/COLD FRONT EXTDD FROM NR KSPS TO KMLC TO KFSM AT 19Z.
BNDRY CONTINUES TO MOVE SLOWLY SWD...WITH VERY UNSTABLE AIR NOW
LOCATED ALG/SOUTH OF BNDRY. A FEW TSRA HAVE DEVELOPED ALG THE BNDRY
THIS AFTN...BUT ACTIVITY HAS REMAINED RATHER WEAK. A FEW STG/SVR
STORMS REMAIN PSBL ALG AND AHEAD OF THE BNDRY THRU THIS EVE BEFORE
THE FRONT MOVES SOUTH OF THE AREA LATER THIS EVE. WL KEEP CHC POPS
ALG/SOUTH OF A MLC-FSM LINE FOR EVE TSRA AND MENTION PSBLTY OF SVR.
REST OF FA TO THE NORTH OF THE SFC FRONT SHUD REMAIN DRY TONITE WITH
MO CLR SKIES.

SFC FRONT SHUD STALL IN SE CORNER OKLA AND NRN TX LATE TONITE. DEEP
LYRD RIDGING DVLPS OVR CNTRL U.S. AHEAD OF THE STG UPR LOW THAT DIGS
INTO AZ ON SUN. SHUD BE PLEASANT DAY ON SATURDAY WITH RLTVLY DRY AIR
AND MO SUNNY SKIES.

WARM FRONT TO BEGIN MOVG NWD SAT NITE AS UPR FLOW BECOME SWLY AND
RICH MSTR IN TX GETS PULLED BACK NWD. WL BRING IN CHC SHRA FROM WEST
TO EAST BEGINNING LATE SAT NITE AS PLENTIFUL LO LVL MSTR AND
ISENTROPIC LIFTING AID DEVELOPMENT. SCTD TSRA XPCTD ACRS THE FA ON
SUNDAY AS VERY UNSTABL AIR...LIFT NEAR REMNANTS OF WARM FRONT...AND
UPR DISTURBANCES IN SWLY FLOW AID CONVECTIVE DVLPMENT.

SHUD HAVE A ROUND OF STG/SVR STORMS EITHER SUN NITE OR MON AS UPR LOW
BEGINS LIFTING OUT AND COLD FRONT APCHS FROM THE NORTHWEST.
                                                              /9
TUL 64/89/68/88 0023     MLC 64/88/68/88 3-24
BVO 61/88/65/88 0023     IDB 65/89/67/90 4113
FYV 59/85/63/87 -0-2     FSM 64/88/66/88 2-13

.TUL...
OK...NONE.
AR...NONE.

In the hours before

Special weather statement, Jun 13, 1:00 PM CDT, 5 hours 27 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-141200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT FRI JUN 13 1997

A FEW SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EARLY
THIS EVENING OVER SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS.

EARLY THIS AFTERNOON...A LATE-SEASON COOL FRONT HAD SETTLED INTO
SOUTHEAST OKLAHOMA AFTER MOVING ACROSS NORTHEAST OKLAHOMA AND MUCH
OF NORTHWEST ARKANSAS.  SOUTH OF THE FRONT...TEMPERATURES HAD
WARMED INTO THE 80S AND DEWPOINTS WERE IN THE MID 70S.  A VERY
UNSTABLE ATMOSPHERE HAS RESULTED OVER SOUTHEAST OKLAHOMA AND WEST
CENTRAL ARKANSAS.  WITH THE FRONT HELPING TO FOCUS DEVELOPMENT...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP EARLY THIS
AFTERNOON SOUTH OF INTERSTATE 40.

THE DEGREE OF INSTABILITY SUGGESTS THAT ANY THUNDERSTORM THAT
DEVELOPS HAS THE POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING
DOWNBURST WINDS.  THE WIND PROFILE ALSO SUGGESTS THAT AN ISOLATED
TORNADO IS NOT OUT OF THE QUESTION. ONE FACTOR AGAINST SEVERE
THUNDERSTORM DEVELOPMENT IS THE LACK OF UPPER LEVEL SUPPORT.

THIS EVENING...THE FRONT IS EXPECTED TO CONTINUE ITS SOUTHWARD
MOVEMENT AND MOVE SOUTH OF THE RED RIVER.  THE THREAT FOR
THUNDERSTORMS WILL END AS THE FRONT MOVES OUT OF THE AREA.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS ACROSS
SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS SHOULD MONITOR THE
LATEST FORECASTS...AND BE READY FOR POSSIBLE ACTIVATION THIS
AFTERNOON.
Special weather statement, Jun 13, 1:12 PM CDT, 5 hours 15 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-141200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT FRI JUN 13 1997

A FEW SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EARLY
THIS EVENING OVER SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS.

EARLY THIS AFTERNOON...A LATE-SEASON COOL FRONT HAD SETTLED INTO
SOUTHEAST OKLAHOMA AFTER MOVING ACROSS NORTHEAST OKLAHOMA AND MUCH
OF NORTHWEST ARKANSAS.  SOUTH OF THE FRONT...TEMPERATURES HAD
WARMED INTO THE 80S AND DEWPOINTS WERE IN THE MID 70S.  A VERY
UNSTABLE ATMOSPHERE HAS RESULTED OVER SOUTHEAST OKLAHOMA AND WEST
CENTRAL ARKANSAS.  WITH THE FRONT HELPING TO FOCUS DEVELOPMENT...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP EARLY THIS
AFTERNOON SOUTH OF INTERSTATE 40.

THE DEGREE OF INSTABILITY SUGGESTS THAT ANY THUNDERSTORM THAT
DEVELOPS HAS THE POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING
DOWNBURST WINDS.  THE WIND PROFILE ALSO SUGGESTS THAT AN ISOLATED
TORNADO IS NOT OUT OF THE QUESTION. ONE FACTOR AGAINST SEVERE
THUNDERSTORM DEVELOPMENT IS THE LACK OF UPPER LEVEL SUPPORT.

THIS EVENING...THE FRONT IS EXPECTED TO CONTINUE ITS SOUTHWARD
MOVEMENT AND MOVE SOUTH OF THE RED RIVER.  THE THREAT FOR
THUNDERSTORMS WILL END AS THE FRONT MOVES OUT OF THE AREA.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS ACROSS
SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS SHOULD MONITOR THE
LATEST FORECASTS...AND BE READY FOR PO$SSIBLE ACTIVATION THIS
AFTERNOON.
Local storm report, Jun 13, 1:42 PM CDT, 4 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
142 PM CDT FRI JUN 13 1997

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

0145 AM    OILTON                    OK   WIND DAMAGE
06/13/97   CREEK                          SEVERAL TREE LIMBS DOWNED
Local storm report, Jun 13, 1:43 PM CDT, 4 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
142 PM CDT FRI JUN 13 1997

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

0145 AM r   OILTON                    OK   WIND DAMAGE
06/13/97   CREEK                          SEVERAL TREE LIMBS DOWNED

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 12:44 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee61 min
Jun 13, 1:36 AM CDTSevere Thunderstorm WarningTSACreek54 min
Jun 13, 1:44 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee46 min
Jun 13, 1:58 AM CDTSevere Thunderstorm WarningTSATulsa, Washington62 min
Jun 13, 1:58 AM CDTSevere Thunderstorm WarningTSAOkfuskee62 min
Jun 13, 2:38 AM CDTSevere Thunderstorm WarningTSACraig, Ottawa37 min
Jun 13, 3:21 AM CDTSevere Thunderstorm WarningTSAWagoner39 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997Every 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.