Alert archive / Arkansas / Tornado Warnings in 1996

Tornado Warning 51, NWS Tulsa, OK

September 26, 1996Sebastian County, Arkansas

NWS Tulsa, OK issued this tornado warning at Sep 26, 1996, 12:46 PM CDT for Sebastian County, Arkansas. 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
Sep 26, 1996, 12:46 PM CDT (17:46 UTC)
Expired
Sep 26, 1996, 1:15 PM CDT
In force
29 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Sebastian County, AR

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 5.8 hours before the alert went out and 284 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 12:00Z on 1996-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1996-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -123 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-123 m²/s²
0-3 km storm-relative helicity
-28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 261747
TORTUL
ARC131-261815-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1246 PM CDT THU SEP 26 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ARKANSAS
 
   ...EASTERN SEBASTIAN COUNTY
 
AT 12 47 PM A TORNADO WAS INDICATED NEAR LAVACA MOVING TO THE EAST AT 30
MILES AN HOUR. IF YOU LIVE IN THE LAVACA AREA MOVE TO A SAFE PLACE
IMMEDIATELY.
 
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.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
 
 
 
&

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 Sep 26, 10:29 AM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, Sep 26, 10:29 AM CDT, 2 hours 17 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1025 AM CDT THU SEP 26 1996

A BUSY NIGHT HAS TURNED INTO A BUSY DAY. RAINFALL REPORTS IN EXCESS
OF 6 INCHES HAVE BEEN RECEIVED FROM THE MESONET AT WESTVILLE AND
FROM COOP OBSERVER AT TAHLEQUAH. ANLYS OF MRNG UA DATA SHOWS WNDS
AOA 700 MB ALL PARALLEL TO CURRENT LINE OF CONVECTION.
THEREFORE...SLOW MOVEMENT WL STILL BE THE RULE THROUGH THIS MRNG.
WV IMGRY SHOWS ANOTHER S/W NOW OVR TX PNHDL AND WRN OK THAT WL
SWING EWD THIS AFTN. IT MAY FINALLY SHIFT ACTIVITY TO THE EAST AND
END TRAINING OF CELLS AND REDUCE THE FLOODING THREAT. HOWEVER...THE
ASSOC MID LVL DRYING ALONG WITH 50+ KT MID-LVL JET STREAK WL BE THE
IMPETUS FOR MORE SVR WX. AM CONCERNED ABOUT THE FSM AREA WHERE LOW-
TOPPED CONVECTION HAS BEEN FIRING UP AHEAD OF MAIN TSRA LINE. AS
S/W APPROACHES...AND MSTR INFLOW CONTS WITH INCRG DIRECTIONAL WIND
SHEAR...THIS CUD BE WHERE MORE SVR WX GETS STARTED THIS AFTN.

WL NOT CHANGE AREAL COVERAGE OF FFA. THE NRN COUNTIES IN THE WATCH
AREA MAY NOT NECESSARILY RECEIVE ANY MORE HEAVY RAIN...BUT AFTER 2-
3 INCHES...IT WUD NOT TAKE MUCH MORE RAIN TO CAUSE MORE PROBLEMS.
WL ISSUE FFS TO UPDATE THE SITUATION. SE OK WL LIKELY SEE EXCESSIVE
RAINFALL THIS AFTN AS FWD HAD A 12Z 850 MB DWPT OF 17C AND
IMPRESSIVE INSTABILITY PARAMETERS. WELL-DEFINED THETA-E AXIS WAS
LOCATED ALONG 40-KT LO-LVL JET AXIS STRETCING THROUGH FWD INTO SE
OK AND W-CENTRALH AR. ZNS MAY BE ABOUT 10-15 MINS LATE.

22

.TUL...
.OK...FLASH FLOOD WATCH ZNS 62/63/65>77.
.AR...FLASH FLOOD WATCH ZNS 1/2/10/11/19/29.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 6:26 AM CDTFlash Flood WarningTSABenton3 hr
Sep 26, 8:46 AM CDTFlash Flood WarningTSAWashington3 hr
Sep 26, 9:32 AM CDTFlash Flood WarningTSABenton3 hr
Sep 26, 10:37 AM CDTFlash Flood WarningTSACarroll, Madison3 hr
Sep 26, 11:29 AM CDTFlash Flood WarningTSAWashington3 hr
Sep 26, 12:22 PM CDTFlash Flood WarningTSACrawford, Sebastian3 hr

Nearby

Tornado Warnings in Arkansas, 1996Every tornado warning in 1996Tornadoes 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.