Alert archive / Oklahoma / Tornado Warnings in 1995

Tornado Warning 9, NWS Tulsa, OK

April 18, 1995Adair County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 18, 1995, 12:00 AM CDT for Adair County, Oklahoma. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Apr 18, 1995, 12:00 AM CDT (05:00 UTC)
Expired
Apr 18, 1995, 12:30 AM CDT
In force
30 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Adair County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 5.0 hours before the alert went out and 137 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 1995-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 164 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 00:00Z on 1995-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 425 square meters per square second.1939587897117Sfc1 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
164 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
750 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
425 m²/s²
0-3 km storm-relative helicity
569 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 180501
TORTUL
OKC001-180530-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
MIDNIGHT CDT TUE APR 18 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL OKLAHOMA
 
   ...SOUTHERN ADAIR COUNTY
 
AT 1201 AM WEATHER RADAR INDICATED A POSSIBLE TORNADO 2 MILES SOUTHEAST
OF LYONS. MOVEMENT WAS TO THE NORTHEAST AT 40 MILES AN HOUR. STILWELL
IS NEAR THE PATH OF THIS STORM.
 
 
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
Apr 17, 7:05 PM CDTSevere Thunderstorm WarningTSAPawnee40 min
Apr 17, 9:30 PM CDTSevere Thunderstorm WarningTSAOkfuskee45 min
Apr 17, 9:39 PM CDTSevere Thunderstorm WarningTSAOkmulgee51 min
Apr 17, 9:47 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Tulsa43 min
Apr 17, 9:51 PM CDTTornado WarningTSAOkfuskee, Okmulgee39 min
Apr 17, 10:06 PM CDTSevere Thunderstorm WarningTSAOkfuskee39 min
Apr 17, 10:09 PM CDTTornado WarningTSAMcIntosh36 min
Apr 17, 10:15 PM CDTSevere Thunderstorm WarningTSAWashington30 min
Apr 17, 10:24 PM CDTTornado WarningTSAMuskogee36 min
Apr 17, 10:32 PM CDTSevere Thunderstorm WarningTSANowata, Rogers, Tulsa43 min
Apr 17, 10:32 PM CDTSevere Thunderstorm WarningTSAOkmulgee43 min
Apr 17, 10:32 PM CDTSevere Thunderstorm WarningTSAOsage43 min
Apr 17, 10:48 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee57 min
Apr 17, 10:51 PM CDTFlash Flood WarningTSACreek, Osage, Pawnee3 hr
Apr 17, 10:56 PM CDTTornado WarningTSAMuskogee, Wagoner49 min
Apr 17, 11:04 PM CDTFlash Flood WarningTSAMuskogee, Okmulgee3 hr
Apr 17, 11:14 PM CDTSevere Thunderstorm WarningTSANowata, Rogers46 min
Apr 17, 11:20 PM CDTTornado WarningTSACherokee40 min
Apr 17, 11:25 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Mayes50 min
Apr 17, 11:25 PM CDTSevere Thunderstorm WarningTSAOttawa50 min
Apr 17, 11:30 PM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah45 min
Apr 17, 11:30 PM CDTSevere Thunderstorm WarningTSAAdair45 min
Apr 17, 11:53 PM CDTTornado WarningTSACherokee, Delaware37 min

Nearby

Tornado Warnings in Oklahoma, 1995Every tornado warning in 1995Tornadoes in 1995

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.