Alert archive / Oklahoma / Tornado Warnings in 1997

Tornado Warning 15, NWS Tulsa, OK

May 26, 1997Creek County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 26, 1997, 6:34 PM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 41 min. 9 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
May 26, 1997, 6:34 PM CDT (23:34 UTC)
Expired
May 26, 1997, 7:15 PM CDT
In force
41 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Creek County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 23:36 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

TimeReportWhereRemark
May 26, 6:35 PM CDTTornado F0Sapulpa, OK
May 26, 6:38 PM CDTTornado F1Sapulpa, OK
May 26, 6:40 PM CDTHail 0.88Kiefer, OK
May 26, 6:45 PM CDTHail 0.75Mounds, OK
May 26, 6:46 PM CDTTornado F0Beggs, OK
May 26, 7:00 PM CDTHail 0.75Tulsa, OK
May 26, 7:07 PM CDTHail 1.75Glenpool, OK
May 26, 7:15 PM CDTTornado F0Glenpool, OK
May 26, 7:25 PM CDTThunderstorm WindBixby, 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.

IssuedProductOfficeLasted
May 26, 6:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 11.6 hours before the alert went out and 137 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, Lamont, OK at 12:00Z on 1997-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 270 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 12:00Z on 1997-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 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
270 J/kg
Mixed-layer CIN
-356 J/kg
Mixed-layer LCL
1270 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

196 
WFUS1 KTUL 262336 RRA
TORTUL
OKC037-143-270015-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
634 PM CDT MON MAY 26 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OKLAHOMA
 
   ...CREEK COUNTY...TULSA COUNTY
 
AT 633 PM A POSSIBLE TORNADO WAS LOCATED 2 MILES SOUTH OF SAPULPA
MOVING TOWARD THE JENKS AREA.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
STAY AWAY FROM OUTSIDE WALLS AND AVOID WINDOWS.  ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING OR GET IN A GROUND DEPRESSION.
 
WATCH FOR SIGNS OF DEVELOPING STORMS.  LARGE HAILSTONES AND UNUSUALLY
LOW SWIRLING CLOUDS ARE MANY TIMES SEEN NEAR DEVELOPING TORNADOES.
STRONG DAMAGING WINDS AND TORNADOES OFTEN PRODUCE A LOUD ROARING
SOUND THAT CAN BE HEARD IN THE VICINITY OF STORMS. FREQUENT AND
DANGEROUS LIGHTNING OCCURS WITH MOST SEVERE THUNDERSTORMS.

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at May 26, 3:37 PM CDT, 2 hours 57 minutes earlier.

Area forecast discussion, May 26, 3:37 PM CDT, 2 hours 57 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT MON MAY 26 1997

MODELS IN RSNBL AGREEMENT AT MOVG SYS SLOWLY EAST AND OUT OF THE
FCST AREA.  UPPER SHRTWV SWINGS THRU TNGT AND SHD PROVIDE SUF UPR
SUPPORT FOR STG TSTMS.  PLENTY OF MSTR IN PLACE AND AMS QUITE
UNSTABLE.  XPC TSTMS TO DVLP OVER CNTRL OK AHD OF SFC SYS AND MOVE
EWD DURG EVEN AND NGT.  TSTMS WILL BE STG TO SVR AND PRODUCE PLENTY
OF RAIN.  ALTHO INDIVIDUAL STMS SHD MOVE AT MODERATE RATE...SOME
TRAINING IS POSSIBLE SINCE THE SFC SYS WILL BE SLOW TO MOVE EWD.
FOR THAT REASON...HAVE INCLUDED ALL BUT MCCURTAIN COUNTY IN A FLASH
FLOOD WATCH FOR TNGT.  THIS IS ALSO CONSISTENT WITH MANUAL HVY PCPN
PROGS.

SYSTEM SHD PUSH THRU THE ARE LATE TNGT BUT MAY LEAVE LINGERING
RW/TRW IN EXTRM ERN ZONES IN THE EARLY MORNING.  RMNDR OF UPR SYS
SWINGS THRU TUE NIGHT AND WILL GIVE XTRM NERN OK AND XTRM NW AR A
CHC OF SHWR ATTM.

SFC AND UPR FLO NEVER REALLY BCMS ANTICYCLONIC THRU WED.  SO GIVE
THE SFC MSTR AND COOL TEMPS...XPC STRATOCU TO DVLP DURING THE DAYS
AND PROVIDE MNLY PARTLY SUNNY CONDITIONS.

NGM MOS LOOKS OKAY FOR TNGT BUT LOOKS TOO WARM LATER.  ETA AND AVN
BOTH SHOW MORE COOLING BHND SFC SYS.  THIS SEEMS RSNBL...GIVEN
CURRENT SFC TEMPS IN KS/NE ATTM.  /02

TUL BB 066/079 057/075 055 511-
FSM BB 068/085 060/078 056 621-
MLC BB 068/085 058/078 056 511-
BVO BB 063/076 054/074 050 4121
FYV BB 065/081 056/075 052 7321
IDB BB 070/087 062/082 059 421-
BYV BB 065/081 056/075 052 7321

.TUL...
OK...FLASH FLOOD WATCH TNGT ZONES 54>76.
AR...FLASH FLOOD WATCH TNGT ZONES 1/2/10/11/19/29.

In the hours before

Special weather statement, May 26, 12:59 PM CDT, 5 hours 35 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-271200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT MON MAY 26 1997

A FEW SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA
AND NORTHWEST ARKANSAS THROUGH TONIGHT.

EARLY THIS AFTERNOON A FRONTAL BOUNDARY STRETCHED FROM SOUTHEAST
KANSAS...ACROSS CENTRAL OKLAHOMA...TO A SURFACE LOW PRESSURE SYSTEM
LOCATED NEAR WICHITA FALLS TEXAS.  TO THE SOUTH AND EAST OF THIS
BOUNDARY A VERY MOIST AND VERY UNSTABLE AIRMASS REMAINS IN PLACE
ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.

THE BOUNDARY WILL MOVE LITTLE THROUGH THE AFTERNOON...AND WILL ACT
AS THE FOCUS FOR SCATTERED THUNDERSTORM DEVELOPMENT AS TEMPERATURES
WARM THROUGH THE 80S.

THUNDERSTORMS THAT DEVELOP...WILL QUICKLY BECOME SEVERE.  COMBINED
WITH THE HIGH LEVELS OF ATMOSPHERIC INSTABILITY...VERTICAL WIND
PROFILES WILL REMAIN FAVORABLE FOR THE DEVELOPMENT OF SUPERCELL
THUNDERSTORMS JUST ABOUT ANYWHERE ACROSS THE EASTERN HALF OF
OKLAHOMA AND INTO NORTHWEST ARKANSAS.  THIS MEANS THE DEVELOPMENT
OF TORNADIC THUNDERSTORMS REMAINS A POSSIBILITY THROUGH
TONIGHT...IN ADDITION TO THE POTENTIAL OF LARGE HAIL AND DAMAGING
STRAIGHT-LINE WINDS.

THE MOST LIKELY TIME FOR STORMS TO AFFECT EASTERN OKLAHOMA WILL
BE FROM THE MID TO LATE AFTERNOON HOURS INTO THE EARLY EVENING
HOURS.  ANY STORMS THAT MOVE ACROSS EASTERN OKLAHOMA COULD THEN
AFFECT NORTHWEST ARKANSAS FROM EARLY THIS EVENING ON INTO THE
NIGHT.

PERSONS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD
REMAIN ALERT TO THE POTENTIAL OF SEVERE WEATHER THROUGH TONIGHT.
STAY TUNED TO TELEVISION AND COMMERCIAL RADIO SOURCES...OR NOAA
WEATHER RADIO FOR LATER STATEMENTS...UPDATED FORECASTS...AS WELL
AS ANY WATCHES OR WARNINGS WHICH MAY FOLLOW.

EMERGENCY MANAGEMENT PERSONNEL AND STORM SPOTTER GROUPS SHOULD
ALSO KEEP A CLOSE EYE ON THE DEVELOPING WEATHER SITUATION...AND
REMAIN ALERT FOR POTENTIAL ACTIVATION THROUGH TONIGHT.
Special weather statement, May 26, 1:00 PM CDT, 5 hours 34 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-271200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT MON MAY 26 1997

A FEW SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA
AND NORTHWEST ARKANSAS THROUGH TONIGHT.

EARLY THIS AFTERNOON A FRONTAL BOUNDARY STRETCHED FROM SOUTHEAST
KANSAS...ACROSS CENTRAL OKLAHOMA...TO A SURFACE LOW PRESSURE SYSTEM
LOCATED NEAR WICHITA FALLS TEXAS.  TO THE SOUTH AND EAST OF THIS
BOUNDARY A VERY MOIST AND VERY UNSTABLE AIRMASS REMAINS IN PLACE
ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.

THE BOUNDARY WILL MOVE LITTLE THROUGH THE AFTERNOON...AND WILL ACT
AS THE FOCUS FOR SCATTERED THUNDERSTORM DEVELOPMENT AS TEMPERATURES
WARM THROUGH THE 80S.

THUNDERSTORMS THAT DEVELOP...WILL QUICKLY BECOME SEVERE.  COMBINED
WITH THE HIGH LEVELS OF ATMOSPHERIC INSTABILITY...VERTICAL WIND
PROFILES WILL REMAIN FAVORABLE FOR THE DEVELOPMENT OF SUPERCELL
THUNDERSTORMS JUST ABOUT ANYWHERE ACROSS THE EASTERN HALF OF
OKLAHOMA AND INTO NORTHWEST ARKANSAS.  THIS MEANS THE DEVELOPMENT
OF TORNADIC THUNDERSTORMS REMAINS A POSSIBILITY THROUGH
TONIGHT...IN ADDITION TO THE POTENTIAL OF LARGE HAIL AND DAMAGING
STRAIGHT-LINE WINDS.

THE MOST LIKELY TIME FOR STORMS TO AFFECT EASTERN OKLAHOMA WILL
BE FROM THE MID TO LATE AFTERNOON HOURS INTO THE EARLY EVENING
HOURS.  ANY STORMS THAT MOVE ACROSS EASTERN OKLAHOMA COULD THEN
AFFECT NORTHWEST ARKANSAS FROM EARLY THIS EVENING ON INTO THE
NIGHT.

PERSONS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD
REMAIN ALERT TO THE POTENTIAL OF SEVERE WEATHER THROUGH TONIGHT.
STAY TUNED TO TELEVISION AND COMMERCIAL RADIO SOURCES...OR NOAA
WEATHER RADIO FOR LATER STATEMENTS...UPDATED FORECASTS...AS WELL
AS ANY WATCHES OR WARNINGS WHICH MAY FOLLOW.

EMERGENCY MANAGEMENT PERSONNEL AND STORM SPOTTER GROUPS SHOULD
ALSO KEEP A CLOSE EYE ON THE DEVELOPING WEATHER SITUATION...AND
REMAIN ALERT FOR POTENTIAL ACTIVATION THROUGH TONIGHT.
Local storm report, May 26, 1:03 PM CDT, 5 hours 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
103 PM CDT MON MAY 26 1997

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

1030 PM    1 W GRAINOLA              OK   WIND DAMAGE
05/25/97   OSAGE                          TREES AND PHONE LINES DOWN

1045 PM    1 W GRAINOLA              OK   .88 INCH HAIL
05/25/97   OSAGE
Local storm report, May 26, 1:04 PM CDT, 5 hours 30 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
103 PM CDT MON MAY 26 1997

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

1030 PM    1 W GRAINOLA              OK   WIND DAMAGE
05/25/97   OSAGE                          TREES AND PHONE LINES DOWN

1045 PM    1 W GRAINOLA              OK   .88 INCH HAIL
05/25/97   OSAGE
Local storm report, May 26, 3:50 PM CDT, 2 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
350 PM CDT MON MAY 26 1997

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

0625 PM    TULSA                     OK   1.25 INCH HAIL
05/26/97   TULSA                          REPORTED AT 81ST AND
                                          RIVERSIDE.

0730 PM    1 SE GLENPOOL             OK   2 INCH HAIL
05/26/97   TULSA

0754 PM    PIERCE                    OK   1 INCH HAIL
05/26/97   MCINTOSH

0821 PM    RAIFORD                   OK   1 INCH HAIL
05/26/97   MCINTOSH

0829 PM    WAGONER                   OK   85 MPH TSTM GUST
05/26/97   WAGONER

0830 PM    BOYNTON                   OK   1.75 INCH HAIL
05/26/97   MUSKOGEE

0835 PM    PICHER                    OK   80 MPH TSTM GUST
05/26/97   OTTAWA

0837 PM    PICHER                    OK   1.75 INCH HAIL
05/26/97   OTTAWA

0845 PM    3 W MUSKOGEE              OK   WIND DAMAGE
05/26/97   MUSKOGEE                       SEVERAL TREES DOWN.

0850 PM    6 W VINITA                OK   65 MPH TSTM GUST
05/26/97   CRAIG

0946 PM    3 NE GROVE                OK   60 MPH TSTM GUST
05/26/97   DELAWARE

1020 PM    6 W MC ALESTER            OK   1 INCH HAIL
05/26/97   PITTSBURG

1030 PM    TALIHINA                  OK   WIND DAMAGE
05/26/97   LE FLORE                       TREE BLOWN DOWN.
Local storm report, May 26, 4:15 PM CDT, 2 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
415 PM CDT MON MAY 26 1997

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

0750 PM    TULSA                     OK   FLOODING
05/26/97   TULSA                          WATER FROM LITTLE HAIKEY
                                          CREEK FLOWING OVER 91ST
                                          BETWEEN MINGO AND
                                          MEMORIAL.

0945 PM    MIAMI                     OK   FLOODING
05/26/97   OTTAWA                         STREET FLOODING REPORTED
                                          BY MIAMI PD.

0945 PM    FAIRLAND                  OK   WIND DAMAGE
05/26/97   OTTAWA                         OUTBUILDINGS DAMAGED.
                                          TREES AND POWER LINES
                                          DOWN.

1000 PM    WILBURTON                 OK   WIND DAMAGE
05/26/97   LATIMER                        TREES DOWN JUST WEST OF
                                          WILBURTON

1000 PM    WILBURTON                 OK   .88 INCH HAIL
05/26/97   LATIMER

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 10:14 PM CDTSevere Thunderstorm WarningTSAOsage61 min
May 25, 10:23 PM CDTSevere Thunderstorm WarningTSAOsage52 min
May 25, 10:40 PM CDTTornado WarningTSAOsage35 min
May 25, 11:59 PM CDTSevere Thunderstorm WarningTSANowata31 min
May 26, 12:32 AM CDTSevere Thunderstorm WarningTSACraig, Ottawa43 min
May 26, 5:54 AM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa51 min
May 26, 5:54 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa51 min
May 26, 6:02 PM CDTSevere Thunderstorm WarningTSACreek43 min
May 26, 6:20 PM CDTSevere Thunderstorm WarningTSAOkmulgee, Tulsa40 min
May 26, 6:24 PM CDTSevere Thunderstorm WarningTSAOkfuskee51 min
May 26, 6:32 PM CDTTornado WarningTSAOkfuskee28 min
May 26, 6:43 PM CDTTornado WarningTSAOsage47 min
May 26, 6:47 PM CDTTornado WarningTSAOkmulgee43 min
May 26, 6:52 PM CDTSevere Thunderstorm WarningTSANowata, Washington53 min
May 26, 6:57 PM CDTTornado WarningTSAOsage, Tulsa48 min

Nearby

Tornado Warnings in Oklahoma, 1997Every tornado warning in 1997Tornadoes 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.