Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 101, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 1, 1986, 10:57 PM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 63 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
- Aug 1, 1986, 10:57 PM CDT (03:57 UTC)
- Expired
- Aug 2, 1986, 12:00 AM CDT
- In force
- 63 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Creek County, OK, Tulsa 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 |
|---|---|---|---|
| Aug 1, 11:30 PM CDT | Thunderstorm Wind 0 | 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 00:00Z, 4.0 hours before the alert went out and 147 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
- 2208 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 2562 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 44 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 KTUL 020357
SVRTUL
OKC037-143-020500-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1057 PM CDT FRI AUG 1 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL MIDNIGHT CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTHEAST OKLAHOMA
..CREEK..TULSA
AT 1058 PM CDT AN AREA OF SEVERE THUNDERSTORMS WAS IN AN AREA BETWEEN
HOMINY AND OILTON, OKLAHOMA. THE THUNDERSTORMS WERE MOVING SOUTHEAST
AT 40 MPH.
WIND GUST TO 60 MPH WERE REPORTED JUST SOUTH OF CLEVELAND, OKLAHOMA
AT 1055PM
SEVERE THUNDERSTORMS PRODUCE DAMAGING WI!ND 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.What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Aug 1, 8:01 PM CDT, 2 hours 56 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
800 PM CDT FRI AUG 1 1986
TIME/CDT COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
610 PM TULSA 3 INCHE HAIL REPORTED BY SEVERE WEATHER SPOTTER
ON EAST ADMIRAL AVE IN SOUTHEAST TULSA, OK
615 PM WAGONER BASE BALL SIZE REPORTED JUST EAST NORTHEAST
OF BROKEN ARROW, OKLA. CAR WINDOWS BROKEN.
REPORTED BY TULSA FSSThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 10:36 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 54 min |
| Aug 2, 1:42 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 58 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.