Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 173, NWS Norman, OK

May 8, 1998Foard County, Knox County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 8, 1998, 5:19 PM CDT for Foard County, Knox County, Texas. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 8, 1998, 5:19 PM CDT (22:19 UTC)
Expired: May 8, 1998, 5:45 PM CDT
In force: 26 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Foard County, TX, Knox County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 8, 1:15 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.3 hours before the alert went out and 239 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: 1677 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 3:00 PM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, May 8, 3:00 PM CDT, 2 hours 19 minutes before

FPUS3 KOKC 082001
AFDOKC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
300 PM CDT FRI MAY 8 1998

SFC LOW DEEPENING SW OF LBB EXPCTD TO COME ENE THIS EVENING AS UPR
LOW MIGRATES ACROSS THE SRN ROCKIES. SVR CNVCTN ALREADY IN PROGRESS
NR SFC WMFNT UNDER STG DIFL AND UVV. ACTVTY WL SPREAD ACRS MOST OF
AREA THIS EVENING...WITH SUPERCELLS S AND HVY RAIN CNTL AND N. OPTED
NOT TO ISSUE FLASH FLOOD WATCH OVR AREA BECAUSE OF FAIRLY HIGH FFG
VALUES.

UPR WV AND SFC LOW SHUD BE OVR SERN OK BY 18Z SAT...WITH PCPN ENDING
W TO E OVR AREA BY MIDDAY. SOME LINGERING SHWRS PSBL INTO EARLY AFTN
OVR THE E. OTRW...WNDS SHUD BE COMING AROUND TO NLY BEHIND LOW...
WITH WK CAA AND LINGERING CLOUDS HOLDING TEMPS DOWN.

SAT NGT INTO SUN NGT SHUD BE FAIR AS MSTR GET WIPED EWD AND SFC RDG
MOVES IN. UPR RDG AXIS MOVES INTO CNTL OK BY MON MORNG...WITH LEE
TROF CRANKING UP AGAIN LTR MONDAY. WL HOLD OFF ON PCPN MON AS MSTR
WL TAKE A WHILE TO RETURN. PCPN CHCS RETURN TUE AND WED AS NEXT UPR
SYSTEM APCHS.  ..04..

GAG 55/65/48/75 +210    PNC 58/69/50/74 +410    HBR 58/72/50/80 +210
SPS 55/75/53/82 +210    OKC 59/71/51/75 +410    DUA 64/72/55/79 ++10

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

In the hours before

Special weather statement, May 8, 12:30 PM CDT, 4 hours 49 minutes before

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Special weather statement, May 8, 12:30 PM CDT, 4 hours 49 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.

Issued	Product	Office	Counties	Lasted
May 8, 6:55 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every severe thunderstorm warning in 1998

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.