Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 323, NWS Fort Worth, TX

May 30, 2015Young County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 30, 2015, 2:04 AM CDT for Young County, Texas. It was in force for 37 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 30, 2015, 2:04 AM CDT (07:04 UTC)
Expired
May 30, 2015, 2:41 AM CDT
In force
37 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Young County, TX

The radar

The Dyess AFB radar (KDYX), 89 km from the middle of the area, began a volume at 07:07 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 30, 1:35 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.1 hours before the alert went out and 136 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 2015-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 550 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 2015-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.193958Sfc1 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
550 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
1237 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

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 30, 12:00 AM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, May 30, 12:00 AM CDT, 2 hours 4 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, May 29, 3:45 PM CDT, 10 hours 19 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>

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 2:28 AM CDTSpecial Weather StatementFWDCollin32 min
May 30, 2:34 AM CDTFlash Flood WarningFWDJack, Young6 hr
May 30, 3:03 AM CDTSpecial Weather StatementFWDEastland27 min
May 30, 3:32 AM CDTSpecial Weather StatementFWDStephens43 min
May 30, 3:34 AM CDTFlash Flood WarningFWDEastland, Stephens3 hr
May 30, 3:50 AM CDTFlash Flood WarningFWDWise6 hr
May 30, 4:02 AM CDTSpecial Weather StatementFWDWise28 min
May 30, 4:09 AM CDTFlash Flood WarningFWDPalo Pinto3 hr
May 30, 4:14 AM CDTSpecial Weather StatementFWDPalo Pinto31 min
May 30, 4:21 AM CDTAreal Flood AdvisoryFWDComanche, Erath3 hr
May 30, 4:39 AM CDTSpecial Weather StatementFWDHood, Parker51 min
May 30, 4:47 AM CDTAreal Flood AdvisoryFWDParker3 hr
May 30, 4:55 AM CDTFlash Flood WarningFWDDenton6 hr
May 30, 5:04 AM CDTAreal Flood AdvisoryFWDHood, Somervell3 hr
May 30, 5:11 AM CDTRiver Flood WarningFWDYoung5 days
May 30, 5:13 AM CDTSpecial Weather StatementFWDJohnson, Tarrant47 min
May 30, 5:23 AM CDTAreal Flood AdvisoryFWDJohnson, Tarrant3 hr
May 30, 5:38 AM CDTFlash Flood WarningFWDCollin3 hr
May 30, 5:51 AM CDTFlash Flood WarningFWDDallas, Johnson, Tarrant3 hr
May 30, 5:51 AM CDTSpecial Weather StatementFWDTarrant39 min
May 30, 5:54 AM CDTAreal Flood AdvisoryFWDBosque, Hill3 hr
May 30, 5:59 AM CDTSpecial Weather StatementFWDEllis46 min
May 30, 6:07 AM CDTAreal Flood AdvisoryFWDEllis3 hr
May 30, 6:16 AM CDTAreal Flood AdvisoryFWDHopkins, Hunt, Rains, Rockwall3 hr
May 30, 6:27 AM CDTSpecial Weather StatementFWDDallas, Ellis, Kaufman, Rockwall48 min
May 30, 6:51 AM CDTAreal Flood AdvisoryFWDMcLennan3 hr
May 30, 6:55 AM CDTFlash Flood WarningFWDHunt3 hr
May 30, 7:03 AM CDTSpecial Weather StatementFWDKaufman, Navarro, Van Zandt42 min
May 30, 7:06 AM CDTAreal Flood AdvisoryFWDLimestone, Navarro3 hr
May 30, 7:48 AM CDTAreal Flood AdvisoryFWDHenderson, Kaufman, Van Zandt117 min
May 30, 8:04 AM CDTRiver Flood WarningFWDDallas15 hr
May 30, 8:09 AM CDTAreal Flood AdvisoryFWDAnderson, Freestone, Henderson, Navarro2 hr
May 30, 8:12 AM CDTAreal Flood AdvisoryFWDRains, Van Zandt3 hr
May 30, 8:23 AM CDTFlash Flood WarningFWDCollin3 hr
May 30, 8:28 AM CDTAreal Flood AdvisoryFWDCooke, Grayson3 hr
May 30, 8:41 AM CDTAreal Flood WarningFWDJack, Young3 hr
May 30, 8:45 AM CDTFlash Flood WarningFWDDallas, Johnson, Tarrant3 hr
May 30, 8:51 AM CDTFlash Flood WarningFWDRains3 hr
May 30, 9:04 AM CDTRiver Flood WarningFWDPalo Pinto22 hr
May 30, 9:40 AM CDTAreal Flood WarningFWDWise3 hr
May 30, 9:53 AM CDTAreal Flood AdvisoryFWDHopkins3 hr
May 30, 9:55 AM CDTRiver Flood WarningFWDDallas19 hr
May 30, 10:11 AM CDTAreal Flood WarningFWDHunt3 hr
May 30, 11:44 AM CDTAreal Flood WarningFWDDallas, Johnson, Tarrant3 hr
May 30, 12:44 PM CDTRiver Flood WarningFWDHunt, Rockwall33 hr
May 30, 1:21 PM CDTAreal Flood WarningFWDDenton6 hr
May 30, 1:48 PM CDTFlash Flood WarningFWDDallas, Kaufman8 hr
May 30, 2:02 PM CDTRiver Flood WarningFWDHunt33 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015

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.