Alert archive / Oklahoma / Tornado Warnings in 1986
Tornado Warning 47, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Oct 2, 1986, 4:12 PM CDT for Logan County, Oklahoma. It was in force for 33 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, 4:12 PM CDT (21:12 UTC)
- Expired
- Oct 2, 1986, 4:45 PM CDT
- In force
- 33 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Logan 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, 4:29 PM 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, 9.2 hours before the alert went out and 59 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 022112
TOROKC
OKC083-022145-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
412 PM CDT THU OCT 2 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN CENTRAL OKLAHOMA
..SOUTHERN LOGAN
AT 410 PM CDT RADAR INDICATED A POSSIBLE TORNADO 10 MILES SOUTHWEST
OF SEWARD IN EXTREME SOUTHWEST CORNER OF LOGAN COUNTY. THE POSSIBLE
TORNADO WAS MOVING TOWARD THE NORTHEAST AT 20 MILES PER HOUR. PERSONS
IN SEWARD AND GUTHRIE ARE NEAR THE PROJECTED PATH OF THIS STORM AND
SHOULD TAKE NECESSARY PRECAUTIONS.
THIS STORM IS CAPABLE OF PRODUCING SMALL HAIL AND TORRENTIAL RAINS.
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 FLOORG. 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, 1:52 PM CDT, 2 hours 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 150 PM CDT THU OCT 2 1986 A THUNDERSTORM HAS INTENSIFIED DURING THE PAST 30 MINUTES OVER EXTREME NORTHWESTERN CANADIAN COUNTY. AT 145 PM CDT THE STORM WAS CENTERED 5 MILES NORTHEAST OF GEARY AND WAS MOVING TOWARD THE NORTHEAST AT 30 MILES PER HOUR. THE THUNDERSTORM IS CAPABLE OF PRODUCING RAINFALL RATES OF 4 INCHES PER HOUR ALONG WITH SOME VERY SMALL HAIL. PERSONS IN THE DOVER AND HENNESSEY AREA ARE NEAR THE PROJECTED PATH OF THIS STORM AND SHOULD TAKE NECESSARY PRECAUTIONS. WITH THE NEARLY SATURATED ENVIRONMENT OF THE THUNDERSTORM...THERE WILL BE MANY LOW-HANGING CLOUDS AND POSSIBLY SOME FUNNEL CLOUDS WITH THIS STORM. THE ATMOSPHERIC CONDITIONS ARE NOT FAVORABLE FOR THE FORMATION OF STRONG TORNADOES...ALTHOUGH A WEAK TORNADO COULD OCCUR. THESE WEAK TORNADOES DEVELOP WITH LITTLE ADVANCE INDICATION ON RADAR. STAY TUNED TO NOAA WEATHER RADIO OR TO COMMERCIAL RADIO OR TELEVISION FOR LATER UPDATES.
Local storm report, Oct 2, 3:49 PM CDT, 23 minutes before
DELAYED STORM REPORT FROM OCTOBER 1 1986
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
350 PM CDT THU OCT 2 1986
TIME(CDT) COUNTY REPORT
2020 HARMON 3/4 INCH HAIL 15 MILES NORTH OF 'HOLLIS
2020 BECKHAM 3/4 INCH HAIL NEAR ERICK
2210 WOODWARD GOLFBALL-SIZED HAIL 6 MILES SOUTHEAST OF
WOODWARDSpecial weather statement, Oct 2, 3:51 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 350 PM CDT THU OCT 2 1986 ...A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF NORTH CENTRAL TEXAS UNTIL 11 PM CDT...BAYLOR...FOARD...HARDEMAN... KNOX...WICHITA...AND WILBARGER... AT 345 PM THE WICHITA FALLS RADAR SHOWED NUMEROUS SHOWERS AND SCATTERED VERY HEAVY THUNDERSTORMS OCCURRING 40 MILES EITHER SIDE OF A LINE FROM TULSA OKLAHOMA TO LUBBOCK TEXAS. THE ONLY PRECIPITATION OCCURRING IN THIS PORTION OF NORTH TEXAS WAS SCATTERED ACROSS NORTHERN PORTIONS OF HARDEMAN COUNTY. THIS PRECIPITATION WAS ONLY LIGHT IN INTENSITY.. HOWEVER THE POTENTIAL FOR SEVERE WEATHER EXISTS ACROSS THIS PORTION OF NORTH TEXAS FOR TONIGHT AND RESIDENTS ARE URGED TO STAY TUNED TO NOAA WEATHER OR COMMERICAL TV OR RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ADDITIONAL STATEMENTS WILL BE ISSUED THROUGHOUT THE EVENING.
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, 4:27 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.