Alert archive / Texas / Tornado Warnings in 1993

Tornado Warning 67, NWS Norman, OK

October 12, 1993Foard County, Knox County, Texas

NWS Norman, OK issued this tornado warning at Oct 12, 1993, 7:17 PM CDT for Foard County, Knox County, Texas. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Oct 12, 1993, 7:17 PM CDT (00:17 UTC)
Expired
Oct 12, 1993, 8:00 PM CDT
In force
43 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Foard County, TX, Knox County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 0.3 hours before the alert went out and 233 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, Stephenville/Cla, TX at 00:00Z on 1993-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1658 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, Stephenville/Cla, TX at 00:00Z on 1993-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.19395878Sfc1 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
1658 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
2.0
Supercell composite
10.5

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 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, 4 hours 1 minute earlier.

Area forecast discussion, Oct 12, 3:16 PM CDT, 4 hours 1 minute 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.

In the hours before

Local storm report, Oct 12, 6:36 PM CDT, 41 minutes before
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Local storm report, Oct 12, 6:36 PM CDT, 41 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 8:23 PM CDTSevere Thunderstorm WarningOUNCarter, Jefferson52 min
Oct 12, 8:44 PM CDTSevere Thunderstorm WarningOUNLove61 min
Oct 12, 7:02 PM CDTSevere Thunderstorm WarningOUNBaylor, Wilbarger58 min
Oct 12, 7:41 PM CDTSevere Thunderstorm WarningOUNBaylor64 min
Oct 12, 7:57 PM CDTSevere Thunderstorm WarningOUNKnox48 min
Oct 12, 8:06 PM CDTSevere Thunderstorm WarningOUNArcher39 min

Nearby

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