Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 142, NWS Tulsa, OK

May 26, 1997Cherokee County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1997, 8:35 PM CDT for Cherokee County, Wagoner County, Oklahoma. It was in force for 40 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
May 26, 1997, 8:35 PM CDT (01:35 UTC)
Expired
May 26, 1997, 9:15 PM CDT
In force
40 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Cherokee County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 38 km from the middle of the area, began a volume at 01:37 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, 8:35 PM CDTThunderstorm Wind 52Wagoner, OK
May 26, 8:50 PM CDTThunderstorm WindHulbert, OK
May 26, 9:25 PM CDTHail 0.75Cookson, 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

Springfield, MO (KSGF), launched 00:00Z, 1.6 hours before the alert went out and 169 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 00:00Z on 1997-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2590 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 00:00Z on 1997-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
2590 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
2.1
Supercell composite
17.2

Open this sounding in Storm Lab

The text

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

897 
WUUS1 KTUL 270137 RRA
SVRTUL
OKC021-145-270215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
835 PM CDT MON MAY 26 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL OKLAHOMA
 
   ...CHEROKEE COUNTY
 
IN NORTHEAST OKLAHOMA
 
   ...EASTERN WAGONER COUNTY
 
AT 8 33 PM AN AREA OF SEVERE THUNDERSTORMS WAS INDICATED BY RADAR OVER
EASTERN WAGONER COUNTY MOVING INTO WESTERN CHEROKEE COUNTY.
 
 
HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.
 
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 May 26, 3:37 PM CDT, 4 hours 58 minutes earlier.

Area forecast discussion, May 26, 3:37 PM CDT, 4 hours 58 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

Local storm report, May 26, 3:50 PM CDT, 4 hours 45 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, 4 hours 20 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 26, 7:03 PM CDTTornado WarningTSAOkmulgee27 min
May 26, 7:15 PM CDTTornado WarningTSATulsa45 min
May 26, 7:18 PM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee42 min
May 26, 7:20 PM CDTSevere Thunderstorm WarningTSAOsage55 min
May 26, 7:29 PM CDTFlash Flood WarningTSATulsa3 hr
May 26, 7:31 PM CDTTornado WarningTSAOkmulgee59 min
May 26, 7:36 PM CDTTornado WarningTSAWagoner54 min
May 26, 7:38 PM CDTSevere Thunderstorm WarningTSAOsage, Washington52 min
May 26, 7:38 PM CDTSevere Thunderstorm WarningTSANowata52 min
May 26, 7:47 PM CDTTornado WarningTSAMuskogee43 min
May 26, 7:49 PM CDTSevere Thunderstorm WarningTSAMcIntosh56 min
May 26, 7:57 PM CDTTornado WarningTSAMcIntosh48 min
May 26, 8:09 PM CDTSevere Thunderstorm WarningTSANowata51 min
May 26, 8:15 PM CDTSevere Thunderstorm WarningTSACraig45 min
May 26, 8:21 PM CDTTornado WarningTSAMuskogee54 min
May 26, 8:23 PM CDTTornado WarningTSAPittsburg52 min
May 26, 8:38 PM CDTTornado WarningTSAOttawa52 min
May 26, 8:47 PM CDTSevere Thunderstorm WarningTSAMcIntosh28 min
May 26, 8:55 PM CDTTornado WarningTSACraig50 min
May 26, 9:05 PM CDTSevere Thunderstorm WarningTSAOttawa55 min
May 26, 9:09 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware66 min
May 26, 9:09 PM CDTSevere Thunderstorm WarningTSASequoyah66 min
May 26, 9:15 PM CDTTornado WarningTSAHaskell, Pittsburg60 min
May 26, 9:22 PM CDTFlash Flood WarningTSAOttawa2 hr
May 26, 9:31 PM CDTTornado WarningTSALatimer, Pittsburg59 min
May 26, 9:57 PM CDTTornado WarningTSALatimer63 min
May 26, 10:26 PM CDTTornado WarningTSALeFlore49 min
May 26, 10:31 PM CDTSevere Thunderstorm WarningTSAPittsburg29 min
May 26, 10:37 PM CDTSevere Thunderstorm WarningTSASequoyah53 min
May 26, 11:15 PM CDTTornado WarningTSALeFlore30 min
May 26, 11:39 PM CDTTornado WarningTSALeFlore36 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; radar from the NEXRAD Level II archive.