Alert archive / Oklahoma / Tornado Warnings in 1986

Tornado Warning 13, NWS Norman, OK

May 10, 1986Garvin County, McClain County, Oklahoma

NWS Norman, OK issued this tornado warning at May 10, 1986, 5:55 PM CDT for Garvin County, McClain County, Oklahoma. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
May 10, 1986, 5:55 PM CDT (22:55 UTC)
Expired
May 10, 1986, 6:30 PM CDT
In force
35 min
Issued by
NWS Norman, OK
Area
Whole counties

Counties Garvin County, OK, McClain County, OK

The radar

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

The nearest sounding before it

Ok Cty/Will Rgrs, OK (KOKC), launched 12:00Z, 10.9 hours before the alert went out and 64 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 1986-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 1986-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.193958Sfc1 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
16 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
79 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 KOKC 102255
TOROKC
OKC049-087-102330-
 
BULLETIN - EBS ACTIVATION REQUSTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
555 PM CDT SAT MAY 10 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  630 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN SOUTHEAST OKLAHOMA
          ..NORTHWESTERN GARVIN
IN CENTRAL OKLAHOMA
          ..WESTERN MCCLAIN

AT 555 PM A TORNADO WAS REPORTED BY THE LINDSAY POLICE DEPARTMENT 3
MILES SOUTH OF LINDSAY. THIS TORNADO IS MOVING TO THE NORTH/NORTHEAST
AT 25 MILES PER HOUR. PERSONS IN LINDSAY AND PAYNE SHOULD SEEK
SHELTER IMMEDIATELY.
 
IF YOU ARE IN THE PATH OF A TORNADO, THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE, SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS, PILLOWS, OR
CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO, LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY, SEEK SHEL/TER IN A DITCH OR LOW SPOT.

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 10:28 AM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills47 min
May 10, 11:12 AM CDTSevere Thunderstorm WarningOUNEllis48 min
May 10, 11:59 AM CDTSevere Thunderstorm WarningOUNWoodward46 min
May 10, 12:18 PM CDTSevere Thunderstorm WarningOUNWoodward42 min
May 10, 12:58 PM CDTSevere Thunderstorm WarningOUNWoods, Woodward47 min
May 10, 1:00 PM CDTSevere Thunderstorm WarningOUNCaddo35 min
May 10, 1:20 PM CDTSevere Thunderstorm WarningOUNWoods24 hr
May 10, 1:27 PM CDTSevere Thunderstorm WarningOUNBlaine48 min
May 10, 2:00 PM CDTSevere Thunderstorm WarningOUNCanadian40 min
May 10, 2:13 PM CDTSevere Thunderstorm WarningOUNGarfield47 min
May 10, 2:42 PM CDTSevere Thunderstorm WarningOUNKingfisher48 min
May 10, 2:49 PM CDTSevere Thunderstorm WarningOUNGrant31 min
May 10, 3:35 PM CDTSevere Thunderstorm WarningOUNKingfisher45 min
May 10, 3:56 PM CDTSevere Thunderstorm WarningOUNOklahoma34 min
May 10, 4:30 PM CDTSevere Thunderstorm WarningOUNCanadian, Grady, McClain30 min
May 10, 4:50 PM CDTSevere Thunderstorm WarningOUNLogan, Oklahoma55 min
May 10, 4:50 PM CDTSevere Thunderstorm WarningOUNCleveland55 min
May 10, 6:31 PM CDTSevere Thunderstorm WarningOUNGarvin, McClain44 min
May 10, 6:55 PM CDTSevere Thunderstorm WarningOUNGrady, Stephens50 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; the sounding from the Mesonet's radiosonde archive.