Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 325, NWS Fort Worth, TX

June 18, 2015Bell County, Coryell County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 18, 2015, 5:10 PM CDT for Bell County, Coryell County, Texas. It was in force for 50 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
Jun 18, 2015, 5:10 PM CDT (22:10 UTC)
Expired
Jun 18, 2015, 6:00 PM CDT
In force
50 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bell County, TX, Coryell County, TX

The radar

The Ft Hood radar (KGRK), 60 km from the middle of the area, began a volume at 22:11 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.2 hours before the alert went out and 183 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 12:00Z on 2015-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 12:00Z on 2015-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
23 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1328 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jun 18, 3:39 PM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jun 18, 3:39 PM CDT, 1 hour 31 minutes before
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Hazardous weather outlook, Jun 18, 3:34 PM CDT, 1 hour 36 minutes before
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In the hours before

Special weather statement, Jun 18, 4:14 PM CDT, 56 minutes before
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Special weather statement, Jun 18, 4:56 PM CDT, 14 minutes before
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</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.
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        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
Jun 17, 7:00 PM CDTAreal Flood WarningFWDParker3 hr
Jun 17, 7:02 PM CDTAreal Flood AdvisoryFWDAnderson, Freestone, Henderson, Navarro3 hr
Jun 17, 7:30 PM CDTAreal Flood WarningFWDNavarro3 hr
Jun 17, 7:41 PM CDTAreal Flood AdvisoryFWDAnderson, Falls, Freestone, Limestone3 hr
Jun 17, 8:06 PM CDTFlash Flood WarningFWDFreestone3 hr
Jun 17, 9:12 PM CDTAreal Flood WarningFWDLimestone2 hr
Jun 17, 9:12 PM CDTFlash Flood WarningFWDCooke6 hr
Jun 17, 9:25 PM CDTAreal Flood AdvisoryFWDEllis, Henderson, Kaufman3 hr
Jun 18, 1:00 AM CDTAreal Flood WarningFWDWise9 hr
Jun 18, 7:51 AM CDTAreal Flood WarningFWDCooke, Montague3 hr
Jun 18, 2:47 PM CDTAreal Flood AdvisoryFWDBosque118 min
Jun 18, 4:14 PM CDTSpecial Weather StatementFWDBell46 min
Jun 18, 4:56 PM CDTSpecial Weather StatementFWDBell49 min
Jun 18, 5:37 PM CDTAreal Flood AdvisoryFWDBell, Coryell113 min
Jun 18, 6:31 PM CDTAreal Flood AdvisoryFWDBell3 hr
Jun 18, 6:38 PM CDTSpecial Weather StatementFWDHamilton52 min

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.