Alert archive / Oklahoma / Tornado Warnings in 1994

Tornado Warning 21, NWS Tulsa, OK

April 26, 1994LeFlore County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 26, 1994, 5:12 PM CDT for LeFlore County, Oklahoma. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1994, 5:12 PM CDT (22:12 UTC)
Expired
Apr 26, 1994, 5:45 PM CDT
In force
33 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County LeFlore County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 10.2 hours before the alert went out and 237 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 12:00Z on 1994-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 985 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1994-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 square meters per square second.1939587897Sfc1 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
985 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSM 262213
TORFSM
ARC127-131-OKC079-262300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
512 PM CDT TUE APR 26 1994
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ARKANSAS
 
   ...SCOTT COUNTY...SOUTHERN SEBASTIAN COUNTY
 
 
IN EAST CENTRAL OKLAHOMA
 
   ...EASTERN LE FLORE COUNTY
 
AT 510 PM CDT WEATHER SERVICE RADAR INDICATED A POSSIBLE TORNADO
LOCATED 5 TO 10 MILES EAST OF HEAVENER OKLAHOMA.
 
MOVEMENT WAS EAST-NORTHEAST AT 45 MPH.
 
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.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 7:06 PM CDTTornado WarningTSALeFlore69 min
Apr 26, 3:01 PM CDTSevere Thunderstorm WarningTSAPittsburg44 min
Apr 26, 3:34 PM CDTTornado WarningTSAPittsburg26 min
Apr 26, 3:57 PM CDTSevere Thunderstorm WarningTSALatimer48 min
Apr 26, 4:10 PM CDTSevere Thunderstorm WarningTSALeFlore65 min
Apr 26, 4:19 PM CDTTornado WarningTSALatimer32 min
Apr 26, 4:22 PM CDTSevere Thunderstorm WarningTSATulsa53 min
Apr 26, 4:24 PM CDTSevere Thunderstorm WarningTSAMayes51 min
Apr 26, 4:47 PM CDTSevere Thunderstorm WarningTSADelaware58 min
Apr 26, 4:55 PM CDTSevere Thunderstorm WarningTSARogers65 min
Apr 26, 5:14 PM CDTSevere Thunderstorm WarningTSACraig46 min
Apr 26, 5:23 PM CDTSevere Thunderstorm WarningTSAOttawa52 min

Nearby

Tornado Warnings in Oklahoma, 1994Every tornado warning in 1994Tornadoes in 1994

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.