Alert archive / Oklahoma / Tornado Warnings in 1986

Tornado Warning 38, NWS Norman, OK

September 29, 1986Lincoln County, Oklahoma County, Oklahoma

NWS Norman, OK issued this tornado warning at Sep 29, 1986, 4:35 PM CDT for Lincoln County, Oklahoma County, Oklahoma. It was in force for 40 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 29, 1986, 4:35 PM CDT (21:35 UTC)
Expired
Sep 29, 1986, 5:15 PM CDT
In force
40 min
Issued by
NWS Norman, OK
Area
Whole counties

Counties Lincoln County, OK, Oklahoma 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 29, 4:49 PM CDTThunderstorm Wind 0Lincoln, 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, 9.6 hours before the alert went out and 48 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, Ok Cty/Will Rgrs, OK at 12:00Z on 1986-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 306 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, Ok Cty/Will Rgrs, OK at 12:00Z on 1986-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 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
306 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
802 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Sep 29, 4:02 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
405 PM CDT MON SEP 29 1986

...A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF NORTH
CENTRAL TEXAS FROM 4 PM UNTIL 10 PM CDT THIS MONDAY AFTERNOON AND
EVENING...FOARD...HARDEMAN...WILBARGER AND WICHITA.

AT 400 PM CDT NO PRECIPTATION WAS OCCURRING IN ANY OF THE ABOVE
COUNTIES. HOWEVER THUNDERSTORMS SOME VERY HEAVY WERE DEVELOPING
IN AREA SOME 30 MILES WIDE FROM NORTH OF LUBBOCK TO NEAR WELLINGTON
IN THE SOUTHEASTERN TEXAS PANHANDLE. OTHER SHOWERS AND THUNDERSTORMS
WERE DEVELOPING TO THE NORTHEAST AND NORTHWEST OF ABILENE. ALL
PRECIPITATION MOVING TO THE NORTHEAST AT NEAR 20 MPH.

ADDITIONAL STATEMEN$TS WILL BE ISSUED THROUGHOUT THE AFTERNOON AND EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 8:04 PM CDTSevere Thunderstorm WarningOUNMcClain76 min
Sep 29, 3:09 PM CDTTornado WarningOUNLogan36 min
Sep 29, 4:01 PM CDTSevere Thunderstorm WarningOUNOklahoma59 min
Sep 29, 4:11 PM CDTTornado WarningOUNOklahoma34 min
Sep 29, 5:20 PM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills60 min
Sep 29, 6:15 PM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills65 min
Sep 29, 6:54 PM CDTSevere Thunderstorm WarningOUNDewey, Woodward51 min
Sep 29, 6:54 PM CDTSevere Thunderstorm WarningOUNCuster51 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.