Alert archive / Oklahoma / Tornado Warnings in 1986

Tornado Warning 9, NWS Tulsa, OK

September 26, 1986Tulsa County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Sep 26, 1986, 5:03 PM CDT for Tulsa County, Oklahoma. It was in force for 57 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: Sep 26, 1986, 5:03 PM CDT (22:03 UTC)
Expired: Sep 26, 1986, 6:00 PM CDT
In force: 57 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Tulsa County, OK

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Sep 26, 5:18 PM CDT	Tornado F0	Tulsa, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Ok Cty/Will Rgrs, OK (KOKC), launched 12:00Z, 10.1 hours before the alert went out and 170 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: 2478 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.3

Open this sounding in Storm Lab

The text

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

000 
TTAAOO KTUL 262203
TORTUL
OKC143-262300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
503 PM CDT FRI SEP 26 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  600 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN NORTHEAST OKLAHOMA
          ..SOUTHERN TULSA

AT 5 PM...A TORNADO WAS INDICATED BY RADAR 7 MILES WEST SOUTHWEST OF
BIXBY OKLAHOMA.
 
THE TORNADO WAS MOVING TO THE EAST NORTHEAST AT 30 MPH.
 
 
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
INTO A GROUND DEPRESSION.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 26, 4:00 PM CDT	Severe Thunderstorm Warning	TSA	Creek	60 min
Sep 26, 4:32 PM CDT	Tornado Warning	TSA	Okmulgee	58 min
Sep 26, 5:36 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee, Tulsa, Wagoner	54 min
Sep 26, 6:31 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Wagoner	59 min
Sep 26, 6:50 PM CDT	Tornado Warning	TSA	Mayes, Wagoner	55 min

Nearby

Tornado Warnings in Oklahoma, 1986 Every tornado warning in 1986 Tornadoes in 1986

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.