Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 252, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 14, 1986, 8:50 PM CDT for Cotton County, Tillman County, Oklahoma. It was in force for 55 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 14, 1986, 8:50 PM CDT (01:50 UTC)
- Expired
- May 14, 1986, 9:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Cotton County, OK, Tillman 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 14, 9:00 PM CDT | Thunderstorm Wind 0 | Cotton, OK | |
| May 14, 9:25 PM CDT | Thunderstorm Wind 0 | Cotton, 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, 1.8 hours before the alert went out and 153 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
- 779 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KOKC 150150
SVROKC
OKC033-141-150245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
850 PM CDT WED MAY 14 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN SOUTHWEST OKLAHOMA
..NORTHERN COTTON..TILLMAN
AT 852 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR TIPTON MOVING
TOWARD THE EAST AT 35 TO 40 MPH. THE CITIES OF TIPTON..MANITOU..
FREDERICK..AND CHATANOGA ARE IN THE PATH OF THIS LARGE STORM.
THIS STORM IS PASSING OVER THE SAME AREA AS THE PREVIOUS STORM AvND
SOME FLASH FLOODING IS POSSIBLE WITH THIS STORM.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, May 14, 3:00 PM CDT, 5 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 3PM CDT WED MAY 14 1986 ...TORNADO WATCH FOR PORTIONS OF WESTERN AND NORTH CENTRAL TEXAS AND PORTIONS OF SOUTHERN OKLAHOMA FROM 215PM CDT UNTIL 9PM CDT TONIGHT... SOME OF THE COUNTIES INCLUDED IN THE WATCH AREA ARE ARCHER..BAYLOR.. CLAY..FOARD..HARDEMAN..JACK..KNOX..MONTAGUE..WICHITA..WILBARGER..AND YOUNG IN NORTH CENTRAL TEXAS AND COTTON COUNTY OF SOUTHERN OKLAHOMA. AT 255PM CDT A VERY STRONG THUNDERSTORM WAS IN NORTHERN KENT AND SOUTHERN DICKENS COUNTY NEAR GIRARD. MOVEMENT WAS NORTHEAST AT 35 MPH. VERY STRONG THUNDERSTORMS WERE IN SOUTHWESTERN OKLAHOMA FROM NORTH OF ELDORADO TO WEST AND EAST OF HOLBART. MOVEMENT WAS NORTHEAST AT 35 MPH. THUNDERSTORM ACTIVITY WILL INCREASE OVER NORTH CENTRAL TEXAS THIS AFTERNOON AND EVENING. REMEMBER... A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
Special weather statement, May 14, 3:34 PM CDT, 5 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 330PM CDT WED MAY 14 1986 ...A TORNADO WATCH IS IN EFFECT FOR WICHITA AND THE SURROUDING COUNTIES UNTIL 9PM... AT 325 PM CDT A VERY STRONG THUNDERSTORM WAS LOCATED 8 MILES SOUTH OF GUTHRIE MOVING TO THE NORTHEAST AT 40 MPH. AT THIS CURRENT MOVEMENT... THIS THUNDERSTORM WILL MOVE INTO WESTERN PORTIONS OF KNOX COUNTY NEAR TRUSCOTT DURING THE NEXT HALF HOUR. THIS IS A POTENTIALLY DANGEROUS THUNDERSTORM AND RESIDENTS IN KNOX COUNTY SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 7:00 PM CDT | Tornado Warning | OUN | Garvin | 30 min |
| May 14, 7:10 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 65 min |
| May 14, 7:18 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, Murray, Pontotoc | 57 min |
| May 14, 7:18 PM CDT | Severe Thunderstorm Warning | OUN | Carter | 57 min |
| May 14, 7:31 PM CDT | Tornado Warning | OUN | Johnston, Murray, Pontotoc | 39 min |
| May 14, 7:55 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Jackson, Kiowa | 65 min |
| May 14, 7:55 PM CDT | Severe Thunderstorm Warning | OUN | Harmon | 65 min |
| May 14, 8:07 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 53 min |
| May 14, 8:16 PM CDT | Severe Thunderstorm Warning | OUN | Coal, Johnston | 59 min |
| May 14, 8:31 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 59 min |
| May 14, 9:10 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Grady | 65 min |
| May 14, 9:10 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 65 min |
| May 14, 9:29 PM CDT | Tornado Warning | OUN | Jefferson | 31 min |
| May 14, 9:35 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 55 min |
| May 14, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Stephens | 47 min |
| May 14, 9:50 PM CDT | Flash Flood Warning | OUN | Lincoln, Logan | 2 hr |
| May 14, 10:01 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 29 min |
| May 14, 10:58 PM CDT | Severe Thunderstorm Warning | OUN | Love | 47 min |
| May 14, 10:58 PM CDT | Severe Thunderstorm Warning | OUN | Johnston | 47 min |
| May 14, 11:14 PM CDT | Severe Thunderstorm Warning | OUN | Bryan, Johnston, Marshall | 61 min |
| May 14, 11:33 PM CDT | Severe Thunderstorm Warning | OUN | Atoka | 42 min |
| May 14, 11:33 PM CDT | Severe Thunderstorm Warning | OUN | Love | 42 min |
| May 14, 11:45 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 60 min |
| May 15, 12:04 AM CDT | Severe Thunderstorm Warning | OUN | Choctaw | 41 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.