Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 146, NWS Fort Worth, TX

May 8, 2003Cooke County, Grayson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 8, 2003, 2:52 AM CDT for Cooke County, Grayson County, Texas. It was in force for 53 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, 2003, 2:52 AM CDT (07:52 UTC)
Expired
May 8, 2003, 3:45 AM CDT
In force
53 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

Counties Cooke County, TX, Grayson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 123 km from the middle of the area, began a volume at 07:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
May 7, 10:35 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.9 hours before the alert went out and 95 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, Fort Worth, TX at 00:00Z on 2003-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2620 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, Fort Worth, TX at 00:00Z on 2003-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
2620 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1523 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.6

Open this sounding in Storm Lab

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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 9:55 PM CDT, 4 hours 57 minutes earlier.

Area forecast discussion, May 7, 9:55 PM CDT, 4 hours 57 minutes before
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Hazardous weather outlook, May 7, 3:43 PM CDT, 11 hours 9 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-081100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
343 PM CDT WED MAY 7 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...

THERE IS A SLIGHT RISK OF SEVERE WEATHER OVER NORTH TEXAS
TONIGHT...MAINLY OVER THE NORTHWEST PORTION...NORTH OF INTERSTATE
20...AND WEST OF INTERSTATE 35. THE MAIN THREAT WILL BE FROM HAIL
AND HIGH WIND...ALTHOUGH AN ISOLATED TORNADO IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...

THUNDERSTORMS ARE EXPECTED EACH DAY THROUGH NEXT TUESDAY OVER
PORTIONS OF NORTH TEXAS. WHILE NO ORGANIZED SEVERE WEATHER IS
EXPECTED AT THIS TIME...SOME OF THE STORMS COULD BECOME SEVERE.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED...MAINLY THIS EVENING IN THE
NORTHWEST PART OF NORTH TEXAS IN THE SLIGHT RISK AREA.

42

In the hours before

Special weather statement, May 7, 9:34 PM CDT, 5 hours 18 minutes before
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<head>
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  <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.
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        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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 7:42 PM CDTTornado WarningFWDEastland48 min
May 7, 7:48 PM CDTSevere Thunderstorm WarningFWDStephens42 min
May 7, 8:30 PM CDTTornado WarningFWDEastland45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003

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; radar from the NEXRAD Level II archive.