Alert archive / Oklahoma / Tornado Warnings in 1992

Tornado Warning 3, NWS Tulsa, OK

May 11, 1992Cherokee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 11, 1992, 3:30 AM CDT for Cherokee County, Oklahoma. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
May 11, 1992, 3:30 AM CDT (08:30 UTC)
Expired
May 11, 1992, 4:00 AM CDT
In force
30 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Cherokee County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 8.5 hours before the alert went out and 154 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 1992-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 287 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1992-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
287 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1305 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 110832
TORTUL
OKC021-110900-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
330 AM CDT MON MAY 11 1992
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  400 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES ...
 
IN EAST CENTRAL OKLAHOMA
 
   ...CHEROKEE COUNTY
 
AT 320 AM A POSSIBLE TORNADO WAS REPORTED NEAR DAVI FIELD AIRPORT
SOUTH OF MUSKOGEE. THE STORM WHICH PRODUCED THIS POSSIBLE TORNADO HAS
NOW MOVED INTO WESTERN CHEROKEE COUNTY. PERSONS IN HULERT AND
TAHLEQUAH SHOULD SEEK SHELTER IMMEDIATELY. THE STORM PRODUCING THE
POSSIBLE TORNADO WAS MOVING EAST NORTHEAST AT 50 MILES AN HOUR.
 
 
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.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 11, 2:42 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee48 min
May 11, 3:48 AM CDTSevere Thunderstorm WarningTSAAdair, Delaware27 min
May 11, 3:16 PM CDTTornado WarningTSAPittsburg44 min
May 11, 3:22 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg38 min
May 11, 3:30 PM CDTSevere Thunderstorm WarningTSAPittsburg45 min
May 11, 4:23 PM CDTTornado WarningTSAPittsburg67 min
May 11, 5:31 PM CDTFlash Flood WarningTSAMcIntosh, Pittsburg4 hr
May 11, 5:31 PM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah59 min
May 11, 5:48 PM CDTTornado WarningTSALatimer42 min
May 11, 5:57 PM CDTSevere Thunderstorm WarningTSAOsage63 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; the sounding from the Mesonet's radiosonde archive.