Alert archive / Oklahoma / Tornado Warnings in 1986

Tornado Warning 10, NWS Tulsa, OK

September 26, 1986Mayes County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Sep 26, 1986, 6:50 PM CDT for Mayes County, Wagoner County, Oklahoma. It was in force for 55 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, 6:50 PM CDT (23:50 UTC)
Expired
Sep 26, 1986, 7:45 PM CDT
In force
55 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Mayes County, OK, Wagoner 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

TimeReportWhereRemark
Sep 26, 6:58 PM CDTThunderstorm Wind 0Wagoner, 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

Springfield, MO (KUMN), launched 12:00Z, 11.8 hours before the alert went out and 165 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, Springfield, MO at 12:00Z on 1986-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1043 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1986-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 square meters per square second.193958Sfc1 km3 km6 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
1043 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAAOO KTUL 262350
TORTUL
OKC097-145-270045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
650 PM CDT FRI SEP 26 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  745 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN NORTHEAST OKLAHOMA
          ..SOUTHERN MAYES..WAGONER

AT 648 PM...A TORNADO WAS REPORTED 3 MILES SOUTH SOUTHEAST OF COWETA
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.  STA6Y 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.

IssuedProductOfficeCountiesLasted
Sep 26, 4:00 PM CDTSevere Thunderstorm WarningTSACreek60 min
Sep 26, 4:32 PM CDTTornado WarningTSAOkmulgee58 min
Sep 26, 5:03 PM CDTTornado WarningTSATulsa57 min
Sep 26, 5:36 PM CDTSevere Thunderstorm WarningTSAOkmulgee, Tulsa, Wagoner54 min
Sep 26, 6:31 PM CDTSevere Thunderstorm WarningTSAMayes, Wagoner59 min

Nearby

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