Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 42, NWS Fort Worth, TX

March 2, 2008Collin County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 2, 2008, 8:36 PM CST for Collin County, Texas. It was in force for 24 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
Mar 2, 2008, 8:36 PM CST (02:36 UTC)
Expired
Mar 2, 2008, 9:00 PM CST
In force
24 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Collin County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 97 km from the middle of the area, began a volume at 02:39 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
Mar 2, 6:05 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.6 hours before the alert went out and 78 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 2008-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1534 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 2008-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
1534 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
335 m²/s²
Significant tornado parameter
2.3
Supercell composite
10.5

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 Mar 2, 6:08 PM CST, 2 hours 28 minutes earlier.

Area forecast discussion, Mar 2, 6:08 PM CST, 2 hours 28 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Mar 2, 2:41 PM CST, 5 hours 55 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, Mar 2, 6:26 PM CST, 2 hours 10 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Mar 2, 6:48 PM CST, 1 hour 48 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Mar 2, 7:18 PM CST, 1 hour 18 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Mar 2, 7:52 PM CST, 44 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Mar 2, 8:00 PM CST, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
800 PM CST SUN MAR 2 2008

TXZ094-030230-
FANNIN TX-
800 PM CST SUN MAR 2 2008

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHWESTERN FANNIN COUNTY

AT 800 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 6 MILES NORTHWEST OF BONHAM...MOVING NORTHEAST AT
45 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE BONHAM.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

LAT...LON 3377 9625 3378 9622 3376 9620 3379 9617
      3386 9587 3356 9620 3365 9637 3367 9637
TIME...MOT...LOC 0200Z 211DEG 41KT 3369 9623
Special weather statement, Mar 2, 8:11 PM CST, 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
811 PM CST SUN MAR 2 2008

TXZ103-104-030245-
DENTON TX-COLLIN TX-
811 PM CST SUN MAR 2 2008

...SIGNIFICANT WEATHER ADVISORY FOR...
  WESTERN COLLIN COUNTY
  EASTERN DENTON COUNTY

AT 811 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 2 MILES SOUTHWEST OF LEWISVILLE...MOVING
NORTHEAST AT 35 MPH.  ANOTHER STRONG STORM IS LOCATED NORTHEAST OF
GRAPEVINE AND MOVING NORTHEAST AT 35 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE AUBREY...CELINA...CROSS
ROADS...FRISCO...HACKBERRY...HEBRON...HICKORY CREEK...KRUGERVILLE...
LAKE DALLAS...LEWISVILLE...LITTLE ELM...PLANO...PROSPER...SHADY
SHORES...THE COLONY AND LAKE LEWISVILLE.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST MONDAY MORNING FOR
NORTH CENTRAL TEXAS.

LAT...LON 3334 9672 3302 9671 3298 9678 3299 9680
      3299 9704 3334 9704
TIME...MOT...LOC 0211Z 216DEG 32KT 3302 9703

77/TLD

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 2, 6:18 PM CSTSpecial Weather StatementFWDJohnson27 min
Mar 2, 6:26 PM CSTSpecial Weather StatementFWDCollin34 min
Mar 2, 6:48 PM CSTSpecial Weather StatementFWDTarrant27 min
Mar 2, 7:18 PM CSTSpecial Weather StatementFWDTarrant27 min
Mar 2, 7:52 PM CSTSpecial Weather StatementFWDDallas23 min
Mar 2, 8:00 PM CSTSpecial Weather StatementFWDFannin30 min
Mar 2, 8:11 PM CSTSpecial Weather StatementFWDDenton34 min
Mar 2, 9:06 PM CSTSpecial Weather StatementFWDEastland, Stephens, Young24 min
Mar 2, 9:07 PM CSTSpecial Weather StatementFWDFannin23 min
Mar 2, 9:45 PM CSTSpecial Weather StatementFWDYoung30 min
Mar 2, 9:59 PM CSTSevere Thunderstorm WarningFWDYoung46 min
Mar 2, 10:03 PM CSTSpecial Weather StatementFWDTarrant27 min
Mar 2, 10:15 PM CSTSevere Thunderstorm WarningFWDStephens45 min
Mar 2, 10:55 PM CSTSevere Thunderstorm WarningFWDPalo Pinto, Stephens50 min
Mar 2, 11:07 PM CSTSpecial Weather StatementFWDJack, Wise23 min
Mar 2, 11:10 PM CSTTornado WarningFWDPalo Pinto35 min
Mar 2, 11:20 PM CSTSevere Thunderstorm WarningFWDMontague55 min
Mar 2, 11:44 PM CSTSevere Thunderstorm WarningFWDPalo Pinto, Parker61 min
Mar 3, 12:09 AM CSTSpecial Weather StatementFWDCooke, Denton, Grayson, Wise36 min
Mar 3, 12:41 AM CSTSpecial Weather StatementFWDTarrant64 min
Mar 3, 12:46 AM CSTSevere Thunderstorm WarningFWDParker, Tarrant29 min
Mar 3, 12:50 AM CSTSpecial Weather StatementFWDCollin, Denton, Grayson55 min
Mar 3, 2:29 AM CSTSpecial Weather StatementFWDBrown61 min
Mar 3, 3:05 AM CSTSpecial Weather StatementFWDMills55 min
Mar 3, 3:21 AM CSTSpecial Weather StatementFWDErath24 min
Mar 3, 3:44 AM CSTSpecial Weather StatementFWDHamilton31 min
Mar 3, 3:48 AM CSTSpecial Weather StatementFWDCoryell27 min
Mar 3, 3:50 AM CSTSpecial Weather StatementFWDSomervell25 min
Mar 3, 4:30 AM CSTRiver Flood WarningFWDCollin33 hr
Mar 3, 4:52 AM CSTSpecial Weather StatementFWDMcLennan23 min
Mar 3, 4:58 AM CSTSevere Thunderstorm WarningFWDBell, Falls, Limestone, McLennan62 min
Mar 3, 5:13 AM CSTSpecial Weather StatementFWDDelta, Hopkins, Lamar32 min
Mar 3, 5:16 AM CSTSpecial Weather StatementFWDNavarro29 min
Mar 3, 5:38 AM CSTSevere Thunderstorm WarningFWDFreestone, Navarro67 min
Mar 3, 5:45 AM CSTSpecial Weather StatementFWDMilam, Robertson30 min
Mar 3, 5:59 AM CSTSevere Thunderstorm WarningFWDAnderson, Henderson61 min
Mar 3, 6:01 AM CSTSpecial Weather StatementFWDVan Zandt29 min
Mar 3, 6:14 AM CSTSevere Thunderstorm WarningFWDVan Zandt46 min
Mar 3, 6:21 AM CSTSpecial Weather StatementFWDLeon, Robertson24 min
Mar 3, 6:55 AM CSTRiver Flood WarningFWDCollin25 hr
Mar 3, 8:18 AM CSTRiver Flood WarningFWDHunt29 hr
Mar 3, 8:18 AM CSTRiver Flood WarningFWDHunt, Rockwall25 hr
Mar 3, 10:12 AM CSTSpecial Weather StatementFWDBell, Falls, McLennan33 min
Mar 3, 10:45 AM CSTSnow AdvisoryFWDCollin, Comanche, Cooke, Dallas, Delta, Denton and 23 more17 hr
Mar 3, 11:26 AM CSTSpecial Weather StatementFWDNavarro34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

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.