Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 215, NWS Tulsa, OK

June 6, 1994LeFlore County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 6, 1994, 2:17 AM CDT for LeFlore County, Sequoyah County, Oklahoma. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1994, 2:17 AM CDT (07:17 UTC)
Expired
Jun 6, 1994, 3:15 AM CDT
In force
58 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties LeFlore County, OK, Sequoyah County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 7.3 hours before the alert went out and 207 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 1994-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1924 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 1994-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.1939Sfc1 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
1924 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
866 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 5, 9:03 PM CDT, 5 hours 14 minutes earlier.

Area forecast discussion, Jun 5, 9:03 PM CDT, 5 hours 14 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
900 PM CDT SUN JUN 5 1994

STRM COMPLEX OVR KS THIS EVNG MOVG SEWRD TWRD AREA WITH PRONOUNCED
BOWING APPRCHNG NE OK STATE LINE.  STRMS HV ACCELERATED SEWRD OVR
THE PAST FEW HRS.  BACKING LLVL WNDS WL CONT TO PROVIDE GOOD INFLOW
SO STRMS XPCTD TO MAINTAIN POTNTL FOR SVR WX AS THEY MOV INTO AND
ACRS FA NXT SVRL HRS.  WL GENRLLY RAISE OVRNGT POPS AND INCLD
MENTION FOR SVR...HITTING HARDEST OVR NRN AND CNTRL PARTS OF FA.
REMAINDER OF AFTN PKG UNCHGD.

...04...

.TUL...NONE.

In the hours before

Local storm report, Jun 5, 10:50 PM CDT, 3 hours 27 minutes before
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Local storm report, Jun 5, 10:51 PM CDT, 3 hours 26 minutes before
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Local storm report, Jun 5, 11:08 PM CDT, 3 hours 9 minutes before
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Local storm report, Jun 5, 11:09 PM CDT, 3 hours 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 9:14 PM CDTSevere Thunderstorm WarningTSAOsage61 min
Jun 5, 10:03 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee57 min
Jun 5, 10:31 PM CDTSevere Thunderstorm WarningTSANowata, Washington59 min
Jun 5, 10:52 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa68 min
Jun 5, 10:52 PM CDTSevere Thunderstorm WarningTSARogers68 min
Jun 5, 11:24 PM CDTSevere Thunderstorm WarningTSANowata, Rogers51 min
Jun 5, 11:37 PM CDTSevere Thunderstorm WarningTSACraig, Mayes68 min
Jun 5, 11:37 PM CDTSevere Thunderstorm WarningTSAOkmulgee, Wagoner68 min
Jun 5, 11:57 PM CDTSevere Thunderstorm WarningTSAOkfuskee63 min
Jun 5, 11:57 PM CDTSevere Thunderstorm WarningTSAMuskogee63 min
Jun 5, 11:57 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa20 min
Jun 6, 1:02 AM CDTSevere Thunderstorm WarningTSAMcIntosh43 min
Jun 6, 1:04 AM CDTSevere Thunderstorm WarningTSAPittsburg41 min
Jun 6, 1:12 AM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee48 min
Jun 6, 1:13 AM CDTSevere Thunderstorm WarningTSASequoyah62 min
Jun 6, 1:43 AM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, Pittsburg62 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning 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.