Alert archive / Oklahoma / Tornado Warnings in 1989
Tornado Warning 1, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Mar 27, 1989, 7:10 PM CST for Osage County, Oklahoma. It was in force for 50 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
- Mar 27, 1989, 7:10 PM CST (01:10 UTC)
- Expired
- Mar 27, 1989, 8:00 PM CST
- In force
- 50 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage 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 |
|---|---|---|---|
| Mar 27, 7:15 PM CST | Thunderstorm Wind 0 | Osage, 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 00:00Z, 1.2 hours before the alert went out and 181 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
- 1241 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 295 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 8.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUL 280110
TORTUL
OKC113-280200-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
710 PM CST MON MAR 27 1989
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 800 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHEAST OKLAHOMA
...NORTHEASTERN OSAGE AND WASHINGTON
AT 708 PM CST RADAR INDICATED A TORNADO 7 MILES SOUTH OF BARTLESVILLE
OKLAHOMA MOVING NORTH AT 25 MILES PER HOUR.
PD
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 |
|---|---|---|---|---|
| Mar 27, 6:50 PM CST | Severe Thunderstorm Warning | TSA | Osage, Washington | 55 min |
| Mar 27, 8:36 PM CST | Severe Thunderstorm Warning | TSA | Pawnee | 69 min |
| Mar 27, 8:54 PM CST | Severe Thunderstorm Warning | TSA | Osage | 66 min |
| Mar 27, 9:41 PM CST | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 64 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.