Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 161, NWS Tulsa, OK

June 13, 1997Creek County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 13, 1997, 1:36 AM CDT for Creek County, Oklahoma. It was in force for 54 min. 1 report 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, 1:36 AM CDT (06:36 UTC)
Expired
Jun 13, 1997, 2:30 AM CDT
In force
54 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Creek County, OK

What was reported inside it

TimeReportWhereRemark
Jun 13, 1:45 AM CDTThunderstorm WindOilton, 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
Jun 13, 1:15 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.6 hours before the alert went out and 120 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 1997-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2646 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 1997-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
2646 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1420 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 130638 RRA
SVRTUL
OKC037-130730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
136 AM CDT FRI JUN 13 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...CREEK COUNTY
 
AT 135 AM...RADAR INDICATED A LINE OF STRONG TO SEVERE THUNDERSTORMS
FROM MARAMEC TO CUSHING TO CHANDLER MOVING EAST AT 45 MPH. OILTON...
DRUMRIGHT...MANNFORD AND BRISTOW ARE SOME OF THE TOWNS IN THE PATH OF
THESE STORMS.
 
 
DAMAGING WINDS WITH GUSTS UP TO 70 MPH WILL OCCUR WITH THIS LINE OF
THUNDERSTORMS.  IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER
IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME.  STAY
AWAY FROM OUTSIDE WALLS AND WINDOWS.  IF YOU ARE IN A MOBILE HOME
YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY.
 
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 12, 9:12 PM CDT, 4 hours 24 minutes earlier.

Area forecast discussion, Jun 12, 9:12 PM CDT, 4 hours 24 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
910 PM CDT THU JUN 12 1997

LATEST SFC ANALYSIS SHOWS A FNT XTNDG FM A SFC LO IN NW MO TO
ANOTHER LO IN THE ERN TX PNHDL WITH A DRYLINE XTNDG SWD FM THERE.
AN ISOLD STRM FORMED ALNG THIS BNDRY IN SCNTRL KS AND SPLIT W/RIGHT
MOVER HEADED ALMST DUE E. MORE NUMEROUS TSRA HV FORMED FURTHER W
FROM THE ERN TX PNHDL NWD INTO WRN KS AS UPR LVL SPEED MAX MVS INTO
SRN PLAINS AS SHOWN BY WATER VAPOR IMAGERY AND PROFILERS. AN ISOLD
SHRA FORMED EARLIER IN NOWATA CNTY ALNG A WK SFC BNDRY BUT THIS
DISSIPATED AS IT MVD NEWD.

CANNOT RULE OUT ADNTL DVLP IN ZNS NR THE KS BRDR BUT LOOKS LIKE
TSRA OUT W SHLD BE MAIN SHOW FOR TNGT AS THEY HEAD ESE TWDS FA.
ONCE AGAIN 15Z MESOETA SEEMS TO BE ON THE RIGHT TRACK
W/ORGANIZATION OF TSRA. THIS SUGGESTS THAT STRMS SHLD MV INTO ERN
OK AFT MIDNGT W/MOST SIG CNVCTN IN SRN SCTNS. APRS THAT STRMS SHLD
BE APRCHG OK/AR BRDR zBY 12Z. PREV FCST LOOKS TO HV A GOOD HANDLE ON
SITN. MAY BUMP POPS UP SOME FOR TNGT. ALSO W/COPIOUS AMNT OF
MOISTURE AVBL MAY OPT TO INCLUDE MENTION OF LCL HVY RAINFALL IN
PARTS OF ERN OK TNGT.

07

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

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, 1:44 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
Jun 13, 6:27 PM CDTSevere Thunderstorm WarningTSALeFlore48 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.