Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 151, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 10, 1989, 8:03 PM CDT for Washington County, Oklahoma. It was in force for 57 min. 2 reports 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
- Jun 10, 1989, 8:03 PM CDT (01:03 UTC)
- Expired
- Jun 10, 1989, 9:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Washington 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 |
|---|---|---|---|
| Jun 10, 8:15 PM CDT | Hail 1.75 | Washington, OK | |
| Jun 10, 8:29 PM CDT | Tornado F1 | Washington, 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
Springfield, MO (KUMN), launched 00:00Z, 1.1 hours before the alert went out and 188 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
- 349 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUL 110108 COR
SVRTUL
OKC147-110200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED ...CORRECTION...
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
803 PM CDT JUN 10 1989
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHEAST OKLAHOMA
...NORTHERN WASHINGTON
AT 8 03 PM THE TULSA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 10
MILES NNW OF COPAN MOVING TO THE EAST SOUTHEAST AT 10 MPH. PERSONS
IN THE TOWN OF COPAN SHOULD SEEK SHELTER IMMEDIATELY.
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.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
Special weather statement, Jun 10, 2:51 PM CDT, 5 hours 12 minutes before
UPDATED OKLAHOMA THUNDERSTORM OUTLOOK FOR NORTHEAST OKLAHOMA NATIONAL WEATHER SERVICE TULSA, OK 249 PM CDT SAT JUN 10 1989 THIS IS AN UPDATED OKLAHOMA THUNDERSTORM OUTLOOK FOR NORTHEAST OKLAHOMA. THIS OUTLOOK IS VALID FOR THAT PART OF OKLAHOMA EAST AND NORTH OF A LINE FROM PONCA CITY TO THE SOUTHWEST CORNER OF PITTSBURG COUNTY TO THE ARKANSAS STATE LINE EAST OF PAGE. FOR OTHER AREAS IN OKLAHOMA...REFER TO THE OKLAHOMA THUNDERSTORM OUTLOOK ISSUED AT NOON. THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS ACROSS EASTERN OKLAHOMA THIS AFTERNOON AND EARLY THIS EVENING. AT MID AFTERNOON SURFACE HEATING CONTINUES TO DESTABILIZE THE ATMOSPHERE ACROSS EASTERN OKLAHOMA. SEVERAL OUTFLOW BOUNDARIES WERE EVIDENT ACROSS NORTHEASTERN OKLAHOMA AND THUNDERSTORMS CONTINUE TO DEVELOPE NEAR THESE BOUNDARIES. A FEW THUNDERSTORMS HAVE ALREADY REACHED SEVERE LIMITS ACROSS CENTRAL SECTIONS OF THE STATE. THE LATEST MOISTURE CONVERGENCE ANALYSIS INDICATES THE BEST AREA FOR THUNDERSTORM DEVELOPMENT IS BETWEEN OKLAHOMA CITY AND PONCA CITY. AS THESE THUNDERSTORMS MOVE INTO EASTERN OKLAHOMA A FEW COULD BECOME SEVERE. THE POTENTIAL TYPE SEVERE WEATHER WOULD BE LARGE HAIL AND VERY HEAVY RAIN. THUNDERSTORMS WILL BECOME MORE ACTIVE DURING THE NEXT TWO HOURS. SPOTTER GROUPS SHOULD BE PREPARED FOR ACTIVATION..ESPECIALLY ACROSS NORTHEASTERN OKLAHOMA.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 7:49 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 56 min |
| Jun 10, 8:24 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 51 min |
| Jun 10, 9:42 PM CDT | Flash Flood Warning | TSA | Washington | 63 min |
| Jun 10, 10:21 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 54 min |
| Jun 10, 10:24 PM CDT | Flash Flood Warning | TSA | Nowata | 66 min |
| Jun 10, 10:35 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 55 min |
| Jun 10, 10:44 PM CDT | Flash Flood Warning | TSA | Washington | 4 hr |
| Jun 10, 11:11 PM CDT | Flash Flood Warning | TSA | Nowata | 4 hr |
| Jun 11, 2:46 AM CDT | Flash Flood Warning | TSA | Nowata, Washington | 4 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1989Every severe thunderstorm warning 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.