Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 148, NWS Tulsa, OK

May 26, 1997Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1997, 10:31 PM CDT for Pittsburg County, Oklahoma. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 26, 1997, 10:31 PM CDT (03:31 UTC)
Expired
May 26, 1997, 11:00 PM CDT
In force
29 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Pittsburg County, OK

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

Norman, OK (KOUN), launched 00:00Z, 3.5 hours before the alert went out and 154 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 1997-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3123 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 1997-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
3123 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
271 m²/s²
Significant tornado parameter
1.3
Supercell composite
14.6

Open this sounding in Storm Lab

The text

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

559 
WUUS1 KTUL 270334 RRA
SVRTUL
OKC121-270400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1031 PM CDT MON MAY 26 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST OKLAHOMA
 
   ...EASTERN PITTSBURG COUNTY
 
AT 1030 PM...RADAR CONTINUED TO INDICATE THE BACK EDGE OF A SEVERE
THUNDERSTORM OVER EASTERN PITTSBURG COUNTY. THE STRONGEST PART OF THIS
STORM WAS LOCATED 2 MILES SOUTH OF HARTSHORNE. THE STORM CONTINUED TO
MOVE EAST AT 10 MILES AN HOUR.
 
HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 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.

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, 9:09 PM CDT, 1 hour 22 minutes earlier.

Area forecast discussion, May 26, 9:09 PM CDT, 1 hour 22 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
905 PM CDT MON MAY 26 1997

RATHER ACTIVE WX ACRS FA TNGT AND LOOKS LIKE IT WL CONT FOR A WHILE
BFR HEADING FURTHER E. CRNTLY APRS WK SFC LO LOCATED OVR SRN OSAGE
CNTY W/BNDRY XTNDG SSW FM THERE. PROFILERS SHOW H85 LO BACK IN NW
OK. TSRA HV MVD EWD OFF OF BNDRY BUT THERE HAS BEEN SOME
REDEVELOPMENT BEHIND INIT STRMS ACRS NE OK. OBVIOUSLY SVR WX AND
HVY RAINFALL REMAIN A THREAT. SO WL LVL ZFP AS IS FOR NOW. AS MCS
CONTS EWD WL PROB UPDATE LATER AND ADJ POPS/FFA.

07

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

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, 8:35 PM CDTSevere Thunderstorm WarningTSACherokee, Wagoner40 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, 10:37 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; the sounding from the Mesonet's radiosonde archive.