Alert archive / Oklahoma / Tornado Warnings in 1994

Tornado Warning 7, NWS Tulsa, OK

April 10, 1994Washington County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 10, 1994, 5:32 PM CDT for Washington County, Oklahoma. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1994, 5:32 PM CDT (22:32 UTC)
Expired
Apr 10, 1994, 6:00 PM CDT
In force
28 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Washington County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 10.5 hours before the alert went out and 188 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 1994-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 564 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1994-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
564 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
530 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 102234
TORTUL
OKC147-102300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
532 PM CDT SUN APR 10 1994
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHERN WASHINGTON COUNTY
 
AT 431 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A DEVELOPING
TORNADO 3 MILES SOUTHWEST OF BARTLESVILLE. MOVEMENT WAS NORTHEAST AT
35 MILES AN HOUR.
 
RESIDENTS OF BARTLESVILLE SHOULD TAKE COVER NOW.
 
 
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 9, 11:39 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee66 min
Apr 10, 12:01 AM CDTSevere Thunderstorm WarningTSATulsa59 min
Apr 10, 12:19 AM CDTSevere Thunderstorm WarningTSARogers41 min
Apr 10, 12:37 AM CDTSevere Thunderstorm WarningTSAOsage38 min
Apr 10, 12:58 AM CDTSevere Thunderstorm WarningTSAMayes, Rogers47 min
Apr 10, 1:04 AM CDTSevere Thunderstorm WarningTSAOsage, Tulsa41 min
Apr 10, 1:33 AM CDTSevere Thunderstorm WarningTSADelaware42 min
Apr 10, 1:40 AM CDTSevere Thunderstorm WarningTSAMayes, Rogers50 min
Apr 10, 2:20 PM CDTSevere Thunderstorm WarningTSAPawnee40 min
Apr 10, 2:50 PM CDTSevere Thunderstorm WarningTSACreek55 min
Apr 10, 2:55 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee65 min
Apr 10, 3:19 PM CDTSevere Thunderstorm WarningTSATulsa56 min
Apr 10, 3:29 PM CDTSevere Thunderstorm WarningTSANowata61 min
Apr 10, 3:33 PM CDTTornado WarningTSAOsage27 min
Apr 10, 3:49 PM CDTSevere Thunderstorm WarningTSARogers, Washington56 min
Apr 10, 3:57 PM CDTSevere Thunderstorm WarningTSAOsage63 min
Apr 10, 4:01 PM CDTSevere Thunderstorm WarningTSAPawnee44 min
Apr 10, 4:22 PM CDTSevere Thunderstorm WarningTSANowata68 min
Apr 10, 4:38 PM CDTSevere Thunderstorm WarningTSACraig52 min
Apr 10, 4:41 PM CDTSevere Thunderstorm WarningTSAPawnee49 min
Apr 10, 4:47 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa58 min
Apr 10, 4:54 PM CDTSevere Thunderstorm WarningTSAOsage, Washington66 min
Apr 10, 4:57 PM CDTTornado WarningTSAOsage33 min
Apr 10, 5:29 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa46 min
Apr 10, 5:41 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee64 min
Apr 10, 5:41 PM CDTSevere Thunderstorm WarningTSAMayes64 min
Apr 10, 5:53 PM CDTSevere Thunderstorm WarningTSAOsage, Washington67 min
Apr 10, 5:56 PM CDTTornado WarningTSANowata49 min
Apr 10, 6:02 PM CDTSevere Thunderstorm WarningTSAOkmulgee, Tulsa46 min
Apr 10, 6:06 PM CDTSevere Thunderstorm WarningTSADelaware54 min
Apr 10, 6:20 PM CDTFlash Flood WarningTSAOsage4 hr
Apr 10, 6:55 PM CDTSevere Thunderstorm WarningTSADelaware39 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.