Alert archive / Oklahoma / Tornado Warnings in 1992
Tornado Warning 17, NWS Norman, OK
NWS Norman, OK issued this tornado warning at May 11, 1992, 1:29 PM CDT for Garvin County, Pontotoc County, Oklahoma. It was in force for 31 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
- May 11, 1992, 1:29 PM CDT (18:29 UTC)
- Expired
- May 11, 1992, 2:00 PM CDT
- In force
- 31 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Garvin County, OK, Pontotoc County, OK
The radar
The Norman radar (KTLX), 73 km from the middle of the area, began a volume at 18:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 1:35 PM CDT | Hail 1 | Pontotoc, OK | |
| May 11, 1:54 PM CDT | Tornado F2 | Pontotoc, 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, 6.5 hours before the alert went out and 67 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 736 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -129 m²/s²
- 0-3 km storm-relative helicity
- -53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 111830 TOROKC OKC049-123-111900- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 129 PM CDT MON MAY 11 1992 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 200 PM CDT FOR THE FOLLOWING OKLAHOMA LOCATIONS... IN SOUTHEAST OKLAHOMA ...NORTHEASTERN GARVIN COUNTY...WESTERN PONTOTOC COUNTY AT 129 PM CDT RADAR INDICATED A DEVELOPING TORNADO 4 MILES WEST-NORTHWEST OF STRATFORD MOVING TOWARD THE EAST-NORTHEAST AT 25 MILES PER HOUR. THE CURRENT PATH OF THIS DEVELOPING TORNADO WILL CARRY IT NORTH OF STRATFORD AND NEAR THE COMMUNITY OF OIL CENTER. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A% BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
What forecasters said that day
The local office's own words before this tornado 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, May 11, 12:57 PM CDT, 32 minutes before
OKZ004>021-121200- OKLAHOMA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 100 PM CDT MON MAY 11 1992 THIS THUNDERSTORM OUTLOOK IS VALID ONLY FOR OKLAHOMA ZONES 4 THROUGH 21. THERE I
Special weather statement, May 11, 1:20 PM CDT, 9 minutes before
TXZ019-020-111915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 119 PM CDT MON MAY 11 1992 ...TORNADO WATCH IN EFFECT UNTIL 800 PM CDT TONIGHT FOR COTTON COUNTY OF SOUTH CENTRAL OKLAHOMA... AT 118 PM THE WICHITA FALLS RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING RAPIDLY ACROSS PARTS OF CENTRAL AND SOUTH CENTRAL OKLAHOMA FROM WEST OF STILLWATER EXTENDING SOUTHEAST TO STONEWALL AND ARDMORE. MOVEMENT OF THUNDERSTORMS W[AS TO THE NORTHEAST AT 25 MPH. NO NORTH CENTRAL TEXAS COUNTIES ARE INCLUDED IN THE TORNADO WATCH AREA. THE TORNADO WATCH AREA GENERALLY COVERS MUCH OF CENTRAL... EASTERN AND SOUTHEAST OKLAHOMA.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:12 PM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble | 63 min |
| May 10, 7:56 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Grady | 49 min |
| May 10, 8:36 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 54 min |
| May 10, 8:42 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 48 min |
| May 10, 9:24 PM CDT | Severe Thunderstorm Warning | OUN | Logan, Oklahoma | 66 min |
| May 10, 9:30 PM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble | 60 min |
| May 10, 10:18 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie | 57 min |
| May 11, 1:15 PM CDT | Severe Thunderstorm Warning | OUN | McClain, Pontotoc, Pottawatomie, Seminole | 45 min |
| May 11, 1:22 PM CDT | Severe Thunderstorm Warning | OUN | Murray | 53 min |
| May 11, 1:39 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 51 min |
| May 11, 1:45 PM CDT | Severe Thunderstorm Warning | OUN | Logan, Payne | 60 min |
| May 11, 1:45 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 60 min |
| May 11, 1:55 PM CDT | Tornado Warning | OUN | Pontotoc | 50 min |
| May 11, 2:15 PM CDT | Severe Thunderstorm Warning | OUN | Hughes | 60 min |
| May 11, 2:21 PM CDT | Severe Thunderstorm Warning | OUN | Love | 69 min |
| May 11, 2:37 PM CDT | Severe Thunderstorm Warning | OUN | Johnston, Murray | 68 min |
| May 11, 2:45 PM CDT | Tornado Warning | OUN | Coal, Pontotoc | 45 min |
| May 11, 3:15 PM CDT | Severe Thunderstorm Warning | OUN | Hughes | 45 min |
| May 11, 3:26 PM CDT | Severe Thunderstorm Warning | OUN | Love, Marshall | 64 min |
| May 11, 3:45 PM CDT | Tornado Warning | OUN | Coal | 45 min |
| May 11, 4:19 PM CDT | Tornado Warning | OUN | Atoka | 36 min |
| May 11, 4:27 PM CDT | Tornado Warning | OUN | Bryan | 48 min |
| May 11, 4:30 PM CDT | Severe Thunderstorm Warning | OUN | Coal | 60 min |
| May 11, 4:37 PM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay | 68 min |
| May 11, 4:50 PM CDT | Severe Thunderstorm Warning | OUN | Atoka | 55 min |
| May 11, 4:58 PM CDT | Tornado Warning | OUN | Kay | 47 min |
| May 11, 5:03 PM CDT | Tornado Warning | OUN | Bryan | 42 min |
| May 11, 5:06 PM CDT | Severe Thunderstorm Warning | OUN | Marshall | 54 min |
| May 11, 5:21 PM CDT | Severe Thunderstorm Warning | OUN | Pushmataha | 69 min |
| May 11, 5:44 PM CDT | Severe Thunderstorm Warning | OUN | Choctaw | 61 min |
| May 11, 5:45 PM CDT | Severe Thunderstorm Warning | OUN | Kay | 30 min |
| May 11, 5:58 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 47 min |
| May 11, 6:28 PM CDT | Severe Thunderstorm Warning | OUN | Pushmataha | 47 min |
Nearby
Tornado Warnings in Oklahoma, 1992Every tornado warning in 1992Tornadoes in 1992
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; radar from the NEXRAD Level II archive.