Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 366, NWS Tulsa, OK

September 23, 1996Creek County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 23, 1996, 7:57 PM CDT for Creek County, Oklahoma. It was in force for 63 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: Sep 23, 1996, 7:57 PM CDT (00:57 UTC)
Expired: Sep 23, 1996, 9:00 PM CDT
In force: 63 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Creek County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2692 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 969 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 8.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 240057
SVRTUL
OKC037-240200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
757 PM CDT MON SEP 23 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...CREEK COUNTY
 
AT 755 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM CENTERED
7 MILES NORTHWEST OF OILTON. MOVEMENT WAS TO THE SOUTHEAST AT
20 MILES AN HOUR.  OILTON IS NEAR THE PATH OF THIS STORM.
 
HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
 
 
 
t

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 Sep 23, 3:54 PM CDT, 4 hours 3 minutes earlier.

Area forecast discussion, Sep 23, 3:54 PM CDT, 4 hours 3 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
345 PM CDT MON SEP 23 1996

AT 20Z...COLD FRONT EXTENDING FROM ENID TO LAWTON. PROGRESS HAS
BEEN SLOW BUT WITH HIGH PRESSURE BUILDING IN OVER UPPER PLAINS...
THE FRONT WILL GET A PUSH ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS DURING THE OVERNIGHT HOURS AND WILL BE ALONG/NEAR THE RED
RIVER BY SUNRISE TUESDAY.  SVR TSTM WATCH IN EFFECT FOR NORTHERN
COUNTIES TILL 9PM AND TSTMS NOW DEVELOPING JUST NORTH OF THE FA IN
KS.  EXPECT STORMS TO FIRE ALONG AND JUST AHEAD OF COLD FRONT AND
END AS THE COLD FRONT MOVES THROUGH...SO WENT 40-60 POPS AREAWIDE
AND WORDED TO REFLECT TIMING OF PRECIP.

IN THE LONGER TERM...ALL MODELS REMAIN IN FAIR AGREEMENT THROUGH 36
HOURS WITH UPPER LEVEL ZONAL FLOW.  THEN THE NGM/AVN DEVELOP A LOW
IN W KS WHILE THE ETA IS WEAKER WITH THIS FEATURE.  IN ANY CASE...
WITH THE FRONT JUST SOUTH OF THE AREA EXPECT IT TO BEGIN MOVING
NORTH AS A WARM FRONT WITH AN OVERRUNNING SITUATION DEVELOPING LATE
TUESDAY NIGHT/EARLY WEDNESDAY SO WILL REINTRODUCE POPS FOR WED.
BELIEVE THE NORTHERN COUNTIES WILL HAVE THE BEST CHANCE OF SEEING
CLEARING SKIES OVER THE NEXT 2 DAYS BUT WILL ALSO RECEIVE MORE OF
THE COLD AIR...SO WORDED TEMPS AND CLOUD COVER APPROPRIATELY.

                                 '33'

-----PRELIM NUMBERS-----
TUL 061/074 061/074 6113
FSM 065/077 064/078 4214
MLC 064/077 065/076 5214
BVO 058/072 0260/073 6113
FYV 058/075 056/074 5113
IDB 065/077 066/077 5315
BYV 057/074 055/075 6113

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

In the hours before

Local storm report, Sep 23, 2:15 PM CDT, 5 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
215 PM CDT MON SEP 23 1996

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

0215 PM    TULSA                     OK
09/23/96   TULSA                          TEST

Local storm report, Sep 23, 6:17 PM CDT, 1 hour 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
617 PM CDT MON SEP 23 1996

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

0609 PM    FAIRFAX                   OK   .75 INCH HAIL
09/23/96   OSAGE

Local storm report, Sep 23, 6:42 PM CDT, 1 hour 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
642 PM CDT MON SEP 23 1996

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

0620 PM .   15 NW FAIRFAX             OK   1 INCH HAIL
09/23/96   OSAGE

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 23, 7:06 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	54 min
Sep 23, 7:26 PM CDT	Severe Thunderstorm Warning	TSA	Pawnee	49 min
Sep 23, 8:37 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Washington	53 min
Sep 23, 9:50 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	55 min
Sep 23, 11:47 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	58 min
Sep 23, 11:56 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	49 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1996 Every severe thunderstorm warning in 1996

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.