Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 343, NWS Tulsa, OK

July 17, 1994LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 17, 1994, 6:22 PM CDT for LeFlore County, Oklahoma. It was in force for 68 min.

The area

The counties it named.

The facts

Issued: Jul 17, 1994, 6:22 PM CDT (23:22 UTC)
Expired: Jul 17, 1994, 7:30 PM CDT
In force: 68 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County LeFlore County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.4 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2818 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 780 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 17, 3:37 PM CDT, 2 hours 45 minutes earlier.

Area forecast discussion, Jul 17, 3:37 PM CDT, 2 hours 45 minutes before

FPUS3 KTUL 172037

AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
33O PM CDT SUN JUL 17 1994

OUTFLOW BNDRY EVIDENT OVR SERN OK THIS MRNG HAS GRAD WASHED OUT
DURING THE DAY AS LLVL WNDS HV RETURNED TO SWLY ACRS THE AREA.
AMS IN THE XTRM SE STILL VERY UNSTBL...AND ALTHO NO SIG CU FIELD
VSBL ON SATL...STILL XPCT TO SEE ISOLD/WDLY SCTD TRW DVLP IN THE
SE THIS EVNG.  OVR THE NRN PART OF FA FOR TNGT...STILL SOME POTNTL
FOR TSTM DVLPMNT WELL OFF TO THE NW ONCE AGN WITH STMS MOVG SEWRD
AND PSBLY AFFECTING AREA LATE TNGT...ALTHO FLOW ALFT A LTL WKR.
WL MENTION POPS ONLY IN THE 20-30 PCT RANGE.  WL THEN SHOOT FOR
A DRY FCST MON THRU TUE AS UPR RDG BCMS A LTL BTR ESTABLISHED OVR
THE AREA.  TEMPWISE...SEE LTL CHG IN MINS NXT FEW NGTS WITH MAX
TEMPS WRMG SLGTLY.

PRELIM NUMBERS:  TUL 74/94/74/95 2111  BVO 71/95/71/96 2111
                 MLC 73/95/73 96 2111  IDB 71/94/71/95 2111
...04...

.TUL...NONE.

In the hours before

Local storm report, Jul 17, 2:05 PM CDT, 4 hours 17 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
205 PM CDT SUN JUL 17 1994

...DELAYED REPORTS FROM THIS MORNING...

TIME (CDT)     COUNTY/STATE     EVENT

615 AM         WASHINGTON/OK    DIME SIZE HAIL JUST NORTH OF DEWEY

615 AM         WASHINGTON/OK    WINDOW BLOWN OUT AT AN ARBY`S
                                RESTAURANT ON THE NORTHEAST SIDE OF
                                BARTLESVILLE

Local storm report, Jul 17, 2:05 PM CDT, 4 hours 17 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
205 PM CDT SUN JUL 17 1994

...DELAYED REPORTS FROM THIS MORNING...

TIME (CDT)     COUNTY/STATE     EVENT

615 AM         WASHINGTON/OK    DIME SIZE HAIL\ JUST NORTH OF DEWEY

615 AM         WASHINGTON/OK    WINDOW BLOWN OUT AT AN ARBY`S
                                RESTAURANT ON THE NORTHEAST SIDE OF
                                BARTLESVILLE

Local storm report, Jul 17, 5:43 PM CDT, 39 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
543 PM CDT SUN JUL 17 1994

TIME (CDT)     COUNTY/STATE     EVENT

535 PM         SEBASTIAN/AR     GOLFBALL SIZE HAIL IN MIDLAND.

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Local storm report, Jul 17, 5:44 PM CDT, 38 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
543 PM CDT SUN JUL 17 1994

TIME (CDT)     COUNTY/STATE     EVENT

535 PM         SEBASTIAN/AR     GOLFBALL SIZE HAIL IN MIDLAND.

Local storm report, Jul 17, 6:10 PM CDT, 12 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
610 PM CDT SUN JUL 17 1994

TIME (CDT)     COUNTY/STATE     EVENT

600 PM         MADISON/AR       DIME SIZE HAIL ON HWY 16 2 MILES WEST
                                OF PETTIGREW.

Local storm report, Jul 17, 6:11 PM CDT, 11 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
610 PM CDT SUN JUL 17 1994

TIME (CDT)     COUNTY/STATE     EVENT

600 PM         MADISON/AR       DIME SIZE HAIL ON HWY 16 2 MILES WEST
                                OF PETTIGREW.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 7:11 PM CDT	Flash Flood Warning	TSA	LeFlore	2 hr
Jul 17, 5:42 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	63 min
Jul 17, 5:05 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	70 min
Jul 17, 5:48 PM CDT	Severe Thunderstorm Warning	TSA	Madison	27 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994 Every 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.