Alert archive / Oklahoma / Tornado Warnings in 1986
Tornado Warning 45, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Oct 2, 1986, 10:16 AM CDT for Logan County, Oklahoma County, Oklahoma. It was in force for 59 min. 2 reports 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, 10:16 AM CDT (15:16 UTC)
- Expired
- Oct 2, 1986, 11:15 AM CDT
- In force
- 59 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Logan 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 2, 10:22 AM CDT | Thunderstorm Wind 61 | Oklahoma, OK | |
| Oct 2, 11:12 AM CDT | Tornado F0 | Logan, 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, 3.3 hours before the alert went out and 41 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 021516
TOROKC
OKC083-109-021615-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1016 AM CDT THU OCT 2 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1115 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN CENTRAL OKLAHOMA
..SOUTHERN LOGAN..NORTHERN OKLAHOMA
SEVERAL REPORTS OF TORNADOES HAVE BEEN RECEIVED FROM CIVIL DEFENSE
UNITS IN THE NORTH PART OF OKLAHOMA CITY. THES TORNAODOES ARE MOVING
IN A GENERAL NORTHERLY DIRECTION.
GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE, SEEK SHELTER IN AN INTERIOR ROFOM
SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS, PILLOWS, OR
CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.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, Oct 2, 4:42 AM CDT, 5 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 405 AM CDT THU OCT 2 1986 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR WICHITA FALLS AND AREAS TO THE WEST FOR THE REMAINDER OF THE NIGHT... THE WICHITA FALLS RADAR SHOWED A LARGE AREA OF VERY HEAVY THUNDERSTORMS ALONG AND NORTH OF THE RED RIVER FROM EAST OF ALTUS TO COMANCHE AND EXTENDING NORTH TO HOBART AND OKALHOMA CITY. THE MOST SIGNIFICANT PRECIPITATION WITHIN THIS AREA PRODUCING LOCALLY HEAVY RAIN WAS NOTED FROM FREDRICK..NORTHEAST..INTO THE LAWTON VICINITY AND BEYOND. THE THUNDERSTORMS WERE SHOWING ONLY A SLOW NORTHEAST DRIFT IN THE PAST HOUR. NORTH CENTRAL TEXAS RESIDENTS HEADING NORTH INTO THE GSOONER STATE EARLY THIS MORNING SHOULD EXPECT PERIODS OF EXTREMELY HEAVY RAIN REDUCING VISIBILITIES WITH ACCUMULATIONS OF WATER ON HIGHWAYS. USE YOUR USUAL CAUTION ON AREA ROADS EARLY THIS MORNING.
Special weather statement, Oct 2, 5:21 AM CDT, 4 hours 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 510 AM CDT THU OCT 2 1986 ...THE FLASH FLOOD WATCH FOR THE WESTERN PORTIONS OF NORTH CENTRAL TEXAS HAS BEEN CANCELLED... SHORTLY AFTER 5AM CDT..VERY HEAVY THUNDERSTORMS CONTINUED IN SOUTH CENTRAL OKLAHOMA. WHILE ONLY A FEW LIGHT SHOWERS WERE NOTED OVER PORTIONS OF HARDEMAN AND FOARD COUNTIESIN NORTH CENTRAL TEXAS. AREA STREAMS AND RIVERS WERE ON THE RISE EARLY THIS MORNING FROM SIGNIFICANT RAINFALL ON WEDNESDAY MORNING AND WEDNESDAY EVENING. STREAMS IN AND NEAR THE CITY OF GRAHAM IN YOUNG COUNTY WERE RISING SHARPLY THIS MORNING..RESIDENTS IN THE NORMAL FLOOD PRONE AREAS SHOULD BE ESPECIALLY ALERT. MOREz SIGNIFICANT RAINFALL IN EXPECTED ACROSS THE REGION IN THE NEXT 24 TO 48 HOURS. RISING WATERS WILL LIKELY BE EXPERIENCE IN THE SURROUNDING COUNTY AREA..INCLUDING WICHITA FALLS..BE PREPARED TO MOVE VALUABLES TO HIGHER GROUND.
Special weather statement, Oct 2, 5:49 AM CDT, 4 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 510 AM CDT THU OCT 2 1986 THE FLASH FLOOD WATCH FOR THE WESTERN PORTIONS OF NORTH CENTRAL TEXAS HAS BEEN CANCELLED... SHORTLY AFTER 5AM CDT..VERY HEAVY THUNDERSTORMS CONTINUED IN SOUTH CENTRAL OKLAHOMA..WHILE ONLY A FEW LIGHT SHOWERS WERE NOTED OVER PORTIONS OF HARDEMAN AND FOARD COUNTIES IN NORTH CENTRAL TEXAS. AREA STREAMS AND RIVERS WERE ON THE RISE EARLY THIS MORNING FROM SIGNIFICANT RAINFALL WEDNESDAY MORNING AND EVENING. STREAMS IN AND NEAR THE CITY OF GRAHAM IN YOUNG COUNTY WERE RISING SHARPLY THIS MORNING..RESIDENTS IN THE NORMAL FLOOD PRNE AREAS SHOULD BE ESPECIALLY ALERT IN YOUNG COUNTY. MORE SIGNIFICANT RAINFALL IS EXPECTED ACROS THE REGION IN THE NEXT 24 TO 48 HOURS. RISING WATERS WILL LIKELY BE EXPERIENCED IN THE SURROUNDING CONTY AREA..INCLUDING WICHITA FALLS AS UNSTABLE CONDITIONS PERSIST IN PRODUCING THUNDERSTORMS ACTIVITY..BE PREPARED TO MOVE VALUABLES TO HIGHER GROUND IN THE EVENT ADDITIONAL SIGNIFICANT RAINS DEVELOP.
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, 10:29 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, 5:35 PM CDT | Tornado Warning | OUN | Cleveland, McClain | 30 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.