Alert archive / Texas / Tornado Warnings in 1993

Tornado Warning 65, NWS Norman, OK

October 12, 1993Wilbarger County, Texas

NWS Norman, OK issued this tornado warning at Oct 12, 1993, 6:08 PM CDT for Wilbarger County, Texas. It was in force for 52 min.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 12, 1993, 6:08 PM CDT (23:08 UTC)
Expired: Oct 12, 1993, 7:00 PM CDT
In force: 52 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Wilbarger County, TX

The nearest sounding before it

Fort Sill, OK (KFSI), launched 12:00Z, 11.1 hours before the alert went out and 98 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1314 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOKC 122309
TOROKC
TXC487-130000-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
608 PM CDT TUE OCT 12 1993

THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE
FOLLOWING COUNTIES

IN NORTHERN TEXAS
     WILBARGER

INCLUDING THE FOLLOWING LOCATIONS
     GRAYBACK AND VERNON

AT 608 PM CDT RADAR INDICATED A DEVELOPING TORNADO 11 MILES
NORTHWEST OF VERNON.

THE PARENT STORM WAS MOVING EAST SOUTHEAST AT 10 MPH. THIS STORM HAS
PRODUCED TORNADOES IN EASTERN HARDEMAN COUNTY. TAKE COVER IMMEDIATELY.
THIS IS AN EXTREMELY DANGEROUS STORM.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN A SMALL INTERIOR
ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...
PILLOWS...OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
ABANDON MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A
DITCH OR CULVERT.

A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHWESTERN OKLAHOMA AND
NORTHERN TEXAS UNTIL 1000PM CDT.


LAT...LON 3391  9911 3394  9926 3436  9956 3417  9895

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this tornado warning went out at Oct 12, 3:16 PM CDT, 2 hours 52 minutes earlier.

Area forecast discussion, Oct 12, 3:16 PM CDT, 2 hours 52 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
315 PM CDT TUE OCT 12 1993

SHTWV MOVG OUT OF WTX BRUSHING ALG DVLPG DRYLN AND INITIATING TSTMS IN
ERN TX PHNDL. EXPCT TSTMS TO CONT TO DVLP AND PROPAGATE E/SE ALG H8
WMFNT. WL PLACE HIEST POPS TNGT ALG SRN ZNS AND WL MENTN SVR IN TX ZNS.
AFTER TNGT...STG WLY UPR FLO WITH SVRL SHTWVS SHUD INDUCE LEE TROF WITH
LO LVL WAA. FIRST OF THESE SHTWVS SHUD AFFECT NWRN OK WED NGT THEN SPRD
EWD ACRS RMNDR OF FA ON THU. MSTR AVAILABILITY ON THU IN QUESTION...ESP
IN ERN ZNS...SO WL KEEP POPS LOW. SCENERIO WL CONT THRU SAT WITH TIMING
BECOMING INCREASINGLY DIFFICULT UNDER FAST FLO ALF. WL SHOTGUN SLGT CHC
POPS INTO 1ST 2 DAYS OF EFP.

..04..BSC

HBR   54  75  55  78 / 40  10  10
OKC   55  73  55  76 / 40  20  10
SPS   58  78  58  81 / 60  10  10
GAG   47  75  52  80 / 30  10  20
PNC   52  71  55  75 / 20  20  10
DUA   59  74  55  77 / 50  30  10

.OK...NONE.
.TX...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 4:48 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	57 min
Oct 12, 5:18 PM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	57 min
Oct 12, 5:27 PM CDT	Tornado Warning	OUN	Hardeman	48 min
Oct 12, 5:55 PM CDT	Severe Thunderstorm Warning	OUN	Baylor	65 min
Oct 12, 6:10 PM CDT	Tornado Warning	OUN	Baylor	50 min
Oct 12, 6:25 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman	65 min
Oct 12, 6:36 PM CDT	Severe Thunderstorm Warning	OUN	Archer	54 min

Nearby

Tornado Warnings in Texas, 1993 Every tornado warning in 1993 Tornadoes in 1993

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.