Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 101, NWS Fort Worth, TX

April 29, 20204 counties in Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 29, 2020, 2:57 AM CDT for 4 counties in Texas. It was in force for 63 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
Apr 29, 2020, 2:57 AM CDT (07:57 UTC)
Expired
Apr 29, 2020, 4:00 AM CDT
In force
63 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Bosque County, TX, Falls County, TX, Limestone County, TX, McLennan County, TX

The radar

The Ft Hood radar (KGRK), 98 km from the middle of the area, began a volume at 08:00 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
Apr 28, 8:25 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 8.0 hours before the alert went out and 142 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 2020-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3210 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 2020-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
3210 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1442 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
1.0
Supercell composite
17.8

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 Apr 28, 2:11 PM CDT, 12 hours 46 minutes earlier.

Area forecast discussion, Apr 28, 2:11 PM CDT, 12 hours 46 minutes before
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Hazardous weather outlook, Apr 28, 3:28 PM CDT, 11 hours 29 minutes before
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  <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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      <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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 28, 9:08 PM CDTSevere Thunderstorm WarningFWDMontague52 min
Apr 28, 9:24 PM CDTSevere Thunderstorm WarningFWDCooke36 min
Apr 28, 9:30 PM CDTSevere Thunderstorm WarningFWDJack, Young60 min
Apr 28, 9:31 PM CDTSevere Thunderstorm WarningFWDEastland, Stephens59 min
Apr 28, 9:55 PM CDTSevere Thunderstorm WarningFWDCooke, Denton, Montague, Wise65 min
Apr 28, 9:59 PM CDTSevere Thunderstorm WarningFWDJack, Montague, Wise61 min
Apr 28, 10:25 PM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Parker, Wise, Young65 min
Apr 28, 10:27 PM CDTSevere Thunderstorm WarningFWDEastland, Stephens63 min
Apr 28, 10:32 PM CDTSevere Thunderstorm WarningFWDDelta, Fannin, Grayson, Lamar58 min
Apr 28, 10:46 PM CDTSevere Thunderstorm WarningFWDCollin, Dallas, Denton, Rockwall59 min
Apr 28, 10:55 PM CDTSevere Thunderstorm WarningFWDDenton, Parker, Tarrant, Wise50 min
Apr 28, 10:59 PM CDTSevere Thunderstorm WarningFWDDenton, Wise46 min
Apr 28, 11:05 PM CDTSevere Thunderstorm WarningFWDCollin, Delta, Fannin, Hopkins, Hunt, Lamar and 1 more70 min
Apr 28, 11:24 PM CDTSevere Thunderstorm WarningFWDHood, Johnson, Parker, Somervell, Tarrant66 min
Apr 28, 11:26 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland64 min
Apr 28, 11:33 PM CDTSevere Thunderstorm WarningFWDDallas, Hunt, Kaufman, Rains, Rockwall, Van Zandt57 min
Apr 28, 11:42 PM CDTSevere Thunderstorm WarningFWDDallas, Ellis, Tarrant48 min
Apr 29, 12:21 AM CDTSevere Thunderstorm WarningFWDHill, Johnson54 min
Apr 29, 12:28 AM CDTSevere Thunderstorm WarningFWDEllis, Navarro47 min
Apr 29, 12:31 AM CDTSpecial Weather StatementFWDHenderson, Van Zandt29 min
Apr 29, 12:33 AM CDTSevere Thunderstorm WarningFWDHood, Johnson, Parker, Somervell, Tarrant42 min
Apr 29, 12:50 AM CDTSevere Thunderstorm WarningFWDHenderson, Kaufman, Navarro25 min
Apr 29, 1:12 AM CDTSevere Thunderstorm WarningFWDAnderson, Freestone, Henderson, Hill, Limestone, Navarro78 min
Apr 29, 1:15 AM CDTSevere Thunderstorm WarningFWDEllis, Hill, Johnson75 min
Apr 29, 1:20 AM CDTSevere Thunderstorm WarningFWDBosque, Erath, Hood, Somervell55 min
Apr 29, 1:29 AM CDTSevere Thunderstorm WarningFWDBell61 min
Apr 29, 1:36 AM CDTSevere Thunderstorm WarningFWDErath54 min
Apr 29, 2:02 AM CDTSevere Thunderstorm WarningFWDBosque, Hill, Limestone, McLennan, Navarro58 min
Apr 29, 2:07 AM CDTSevere Thunderstorm WarningFWDBosque, Comanche, Erath, Hamilton53 min
Apr 29, 2:15 AM CDTSevere Thunderstorm WarningFWDMilam45 min
Apr 29, 2:20 AM CDTSevere Thunderstorm WarningFWDFreestone, Leon, Limestone, Robertson55 min
Apr 29, 2:44 AM CDTSevere Thunderstorm WarningFWDBosque, Comanche, Coryell, Hamilton, Mills61 min
Apr 29, 3:13 AM CDTSevere Thunderstorm WarningFWDBell, Coryell62 min
Apr 29, 3:34 AM CDTSevere Thunderstorm WarningFWDHamilton, Lampasas, Mills71 min
Apr 29, 3:55 AM CDTSevere Thunderstorm WarningFWDBell, Falls, Milam65 min
Apr 29, 4:34 AM CDTSevere Thunderstorm WarningFWDMilam, Robertson18 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020Every severe thunderstorm warning in 2020

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.