Alert archive / Oklahoma / Tornado Warnings in 1989
Tornado Warning 3, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at May 15, 1989, 3:30 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
- May 15, 1989, 3:30 PM CDT (20:30 UTC)
- Expired
- May 15, 1989, 4:30 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 |
|---|---|---|---|
| May 15, 4:00 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
Norman, OK (KOUN), launched 12:00Z, 8.5 hours before the alert went out and 120 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
- 1339 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUL 152032
TORTUL
OKC037-152130-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT MON MAY 15 1989
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 430 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHEAST OKLAHOMA
...SOUTHWESTERN CREEK
AT 3 25 PM CDT RADAR INDICATED AND SPOTTERS WERE REPORTING A
TORNADO 4 MILES WEST OF STROUD IN LINCOLN COUNTY MOVING EAST AT
20 MPH.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
STAY AWAY FROM OUTSIDE #WALLS AND AVOID WINDOWS. ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING OR GET IN A GROUND DEPRESSION.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 1:52 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 53 min |
| May 15, 2:01 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 44 min |
| May 15, 2:37 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 68 min |
| May 15, 2:50 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa, Washington | 55 min |
| May 15, 3:24 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 66 min |
| May 15, 4:10 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 50 min |
| May 15, 4:38 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 67 min |
| May 15, 5:28 PM CDT | Tornado Warning | TSA | Pittsburg | 47 min |
Nearby
Tornado Warnings in Oklahoma, 1989Every tornado warning in 1989Tornadoes in 1989
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.