Alert archive / Oklahoma / Tornado Warnings in 1986
Tornado Warning 49, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Oct 2, 1986, 5:35 PM CDT for Cleveland County, McClain County, Oklahoma. It was in force for 30 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
- Oct 2, 1986, 5:35 PM CDT (22:35 UTC)
- Expired
- Oct 2, 1986, 6:05 PM CDT
- In force
- 30 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Cleveland 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 2, 6:00 PM CDT | Hail 0.88 | Cleveland, 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, 10.6 hours before the alert went out and 38 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.
- Mixed-layer CAPE
- 44 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KOKC 022238
TOROKC
OKC087-027-022305-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
535 PM CDT THU OCT 2 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 605 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN CENTRAL OKLAHOMA
..NORTHERN MCCLAIN AND CLEVELAND..
AT 535 PM CDT RADAR INDICATED A POSSIBLE TORNADO 2 MILES NORTH OF
WASHINGTON MOVING TOWARD THE EAST AT 25 MILES PER HOUR. PERSONS IN
NOBLE ARE IN THE PROJECTED PATH OF THIS STORM AND SHOULD BE PREPARED
TO TAKE COVER.The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 8:00 PM CDT | Tornado Warning | OUN | Harmon | 40 min |
| Oct 1, 8:04 PM CDT | Severe Thunderstorm Warning | OUN | Beckham | 56 min |
| Oct 1, 8:18 PM CDT | Tornado Warning | OUN | Beckham | 27 min |
| Oct 1, 8:37 PM CDT | Tornado Warning | OUN | Beckham, Greer | 38 min |
| Oct 1, 9:06 PM CDT | Tornado Warning | OUN | Greer | 34 min |
| Oct 1, 9:27 PM CDT | Tornado Warning | OUN | Custer, Washita | 33 min |
| Oct 1, 9:48 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Woodward | 47 min |
| Oct 1, 9:59 PM CDT | Tornado Warning | OUN | Kiowa, Washita | 41 min |
| Oct 2, 9:04 AM CDT | Flash Flood Warning | OUN | Canadian, Logan, Oklahoma | 116 min |
| Oct 2, 9:04 AM CDT | Flash Flood Warning | OUN | Cleveland | 116 min |
| Oct 2, 10:16 AM CDT | Tornado Warning | OUN | Logan, Oklahoma | 59 min |
| Oct 2, 10:29 AM CDT | Flash Flood Warning | OUN | Kingfisher | 2 hr |
| Oct 2, 10:36 AM CDT | Flash Flood Warning | OUN | Grady | 54 min |
| Oct 2, 11:08 AM CDT | Tornado Warning | OUN | Logan, Payne | 37 min |
| Oct 2, 11:27 AM CDT | Flash Flood Warning | OUN | Garfield | 93 min |
| Oct 2, 1:31 PM CDT | Flash Flood Warning | OUN | Canadian, Kingfisher | 119 min |
| Oct 2, 1:51 PM CDT | Flash Flood Warning | OUN | Kay, Noble | 2 hr |
| Oct 2, 2:49 PM CDT | Flash Flood Warning | OUN | Logan, Oklahoma | 3 hr |
| Oct 2, 3:28 PM CDT | Flash Flood Warning | OUN | Canadian, Kingfisher | 3 hr |
| Oct 2, 4:12 PM CDT | Tornado Warning | OUN | Logan | 33 min |
| Oct 2, 4:27 PM CDT | Flash Flood Warning | OUN | Grady | 93 min |
| Oct 2, 5:03 PM CDT | Tornado Warning | OUN | Logan | 32 min |
| Oct 2, 5:35 PM CDT | Flash Flood Warning | OUN | Cleveland, McClain | 115 min |
| Oct 2, 6:05 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie | 40 min |
| Oct 2, 6:28 PM CDT | Tornado Warning | OUN | Lincoln, Pottawatomie | 32 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.