Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 129, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 26, 1986, 4:00 PM CDT for Creek County, Oklahoma. It was in force for 60 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 26, 1986, 4:00 PM CDT (21:00 UTC)
- Expired
- Sep 26, 1986, 5:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Creek 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 |
|---|---|---|---|
| Sep 26, 4:28 PM CDT | Hail 0.75 | Creek, 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, 9.0 hours before the alert went out and 124 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
- 2478 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KTUL 262100
SVRTUL
OKC037-262200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
400 PM CDT FRI SEP 26 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTHEAST OKLAHOMA
..CREEK
AT 4 PM TULSA RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
SOUTHWEST OF BRISTOW OKLAHOMA MOVING TO THE NORTHEAST AT 35 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH,
LARGE HAIL, DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 4:32 PM CDT | Tornado Warning | TSA | Okmulgee | 58 min |
| Sep 26, 5:03 PM CDT | Tornado Warning | TSA | Tulsa | 57 min |
| Sep 26, 5:36 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee, Tulsa, Wagoner | 54 min |
| Sep 26, 6:31 PM CDT | Severe Thunderstorm Warning | TSA | Mayes, Wagoner | 59 min |
| Sep 26, 6:50 PM CDT | Tornado Warning | TSA | Mayes, Wagoner | 55 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1986Every severe thunderstorm warning 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.