Alert archive / Texas / Tornado Warnings in 2024

Tornado Warning 40, NWS Houston/Galveston, TX

July 8, 2024Harris County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jul 8, 2024, 5:11 AM CDT for Harris County, Texas. It was in force for 19 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
Jul 8, 2024, 5:11 AM CDT (10:11 UTC)
Expired
Jul 8, 2024, 5:30 AM CDT
In force
19 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Harris County, TX

The radar

The Houston radar (KHGX), 52 km from the middle of the area, began a volume at 10:10 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
Jul 7, 10:45 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.2 hours before the alert went out and 213 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, Lake Charles Mun, LA at 00:00Z on 2024-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1323 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, Lake Charles Mun, LA at 00:00Z on 2024-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
1323 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
792 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this tornado warning went out at Jul 8, 4:21 AM CDT, 50 minutes earlier.

Area forecast discussion, Jul 8, 4:21 AM CDT, 50 minutes before
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In the hours before

Local storm report, Jul 8, 2:35 AM CDT, 2 hours 36 minutes before
Preliminary Local Storm Report
National Weather Service Houston/Galveston TX
235 AM CDT Mon Jul 8 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0150 AM     Coastal Flood    17 SSW Jones Creek      28.77N 95.62W
07/08/2024                   Matagorda          TX   Public

            Public report of storm surge over HWY 457
            near Sargent Beach associated with Beryl.

&&

JPF
Local storm report, Jul 8, 3:18 AM CDT, 1 hour 53 minutes before
Preliminary Local Storm Report
National Weather Service Houston/Galveston TX
318 AM CDT Mon Jul 8 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0206 AM     Non-Tstm Wnd Gst 21 SSW Palacios         28.42N 96.33W
07/08/2024  M89 MPH          GMZ350             TX   Mesonet

            Sustained 69mph with gust to 89mph.
            Associated with Hurricane Beryl. NDBC
            station MBET2 Matagorda Bay Entrance.

&&

JPF
Local storm report, Jul 8, 3:19 AM CDT, 1 hour 52 minutes before
Preliminary Local Storm Report
National Weather Service Houston/Galveston TX
319 AM CDT Mon Jul 8 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0251 AM     Non-Tstm Wnd Gst 1 WNW Palacios          28.72N 96.25W
07/08/2024  M81 MPH          Matagorda          TX   AWOS

            Associated with Hurricane Beryl. ASOS
            station KPSX Palacios.

&&

JPF
Local storm report, Jul 8, 4:37 AM CDT, 34 minutes before
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<html lang="en">
<head>
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<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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Local storm report, Jul 8, 4:38 AM CDT, 33 minutes before
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<head>
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  <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.
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Local storm report, Jul 8, 4:44 AM CDT, 27 minutes before
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<head>
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  <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 Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 9:49 PM CDTSpecial Marine WarningHGX26 min
Jul 7, 9:53 PM CDTTornado WarningHGXBrazoria, Matagorda7 min
Jul 7, 11:11 PM CDTSpecial Marine WarningHGX19 min
Jul 7, 11:51 PM CDTAreal Flood AdvisoryHGXBrazoria113 min
Jul 8, 1:25 AM CDTRiver Flood WarningHGXMatagorda, Wharton4 days
Jul 8, 1:25 AM CDTRiver Flood WarningHGXJackson, Wharton20 hr
Jul 8, 1:42 AM CDTFlash Flood WarningHGXBrazoria, Matagorda8 hr
Jul 8, 3:13 AM CDTAreal Flood AdvisoryHGXBrazoria, Fort Bend, Galveston2 hr
Jul 8, 3:24 AM CDTRiver Flood WarningHGXBrazoria3 days
Jul 8, 3:33 AM CDTSpecial Marine WarningHGX12 min
Jul 8, 3:35 AM CDTSpecial Marine WarningHGX25 min
Jul 8, 3:37 AM CDTTornado WarningHGXBrazoria, Fort Bend23 min
Jul 8, 3:55 AM CDTTornado WarningHGXBrazoria, Fort Bend20 min
Jul 8, 3:59 AM CDTAreal Flood AdvisoryHGXBrazoria, Fort Bend, Matagorda, Wharton7 hr
Jul 8, 4:02 AM CDTSpecial Marine WarningHGX13 min
Jul 8, 4:12 AM CDTAreal Flood AdvisoryHGXBrazoria, Chambers, Fort Bend, Galveston, Harris, Waller42 min
Jul 8, 4:18 AM CDTSpecial Marine WarningHGX27 min
Jul 8, 4:54 AM CDTFlash Flood WarningHGXBrazoria, Chambers, Fort Bend, Galveston, Harris6 hr
Jul 8, 5:38 AM CDTFlash Flood WarningHGXBrazoria, Fort Bend, Galveston4 hr
Jul 8, 6:09 AM CDTRiver Flood WarningHGXHarris21 days
Jul 8, 6:17 AM CDTFlash Flood WarningHGXChambers, Harris, Liberty, Montgomery7 hr
Jul 8, 6:22 AM CDTRiver Flood WarningHGXBrazoria, Harris21 days
Jul 8, 6:23 AM CDTRiver Flood WarningHGXGalveston, Harris35 hr
Jul 8, 6:24 AM CDTRiver Flood WarningHGXBrazoria, Harris21 days
Jul 8, 6:24 AM CDTRiver Flood WarningHGXGalveston, Harris21 days
Jul 8, 6:27 AM CDTRiver Flood WarningHGXHarris21 days
Jul 8, 6:29 AM CDTRiver Flood WarningHGXHarris21 days
Jul 8, 6:50 AM CDTSpecial Marine WarningHGX25 min
Jul 8, 6:55 AM CDTRiver Flood WarningHGXGalveston, Harris24 hr
Jul 8, 7:21 AM CDTSpecial Marine WarningHGX24 min
Jul 8, 7:23 AM CDTRiver Flood WarningHGXHarris15 hr
Jul 8, 7:25 AM CDTRiver Flood WarningHGXHarris15 hr
Jul 8, 7:33 AM CDTSpecial Marine WarningHGX42 min
Jul 8, 7:45 AM CDTRiver Flood WarningHGXHarris21 days
Jul 8, 7:46 AM CDTRiver Flood WarningHGXHarris21 days
Jul 8, 7:49 AM CDTTornado WarningHGXChambers, Galveston11 min
Jul 8, 7:52 AM CDTRiver Flood WarningHGXFort Bend, Harris21 days
Jul 8, 8:12 AM CDTRiver Flood WarningHGXChambers, Harris21 days
Jul 8, 8:32 AM CDTRiver Flood WarningHGXHarris15 hr
Jul 8, 8:33 AM CDTRiver Flood WarningHGXHarris, Waller19 hr
Jul 8, 8:34 AM CDTRiver Flood WarningHGXHarris13 hr
Jul 8, 8:42 AM CDTRiver Flood WarningHGXHarris13 hr
Jul 8, 8:45 AM CDTRiver Flood WarningHGXHarris16 hr
Jul 8, 8:52 AM CDTRiver Flood WarningHGXHarris16 hr
Jul 8, 9:00 AM CDTFlash Flood WarningHGXChambers, Galveston, Liberty, Montgomery, San Jacinto3 hr
Jul 8, 9:03 AM CDTRiver Flood WarningHGXHarris19 hr
Jul 8, 9:17 AM CDTRiver Flood WarningHGXHarris13 hr
Jul 8, 9:19 AM CDTTornado WarningHGXLiberty, Montgomery, San Jacinto11 min
Jul 8, 9:33 AM CDTAreal Flood WarningHGXBrazoria, Matagorda5 hr
Jul 8, 9:36 AM CDTAreal Flood WarningHGXBrazoria, Fort Bend, Galveston5 hr
Jul 8, 9:53 AM CDTSpecial Marine WarningHGX7 min
Jul 8, 10:27 AM CDTRiver Flood WarningHGXBrazoria, Fort Bend, Wharton4 days
Jul 8, 10:34 AM CDTRiver Flood WarningHGXBrazoria, Harris12 hr
Jul 8, 10:55 AM CDTRiver Flood WarningHGXHarris21 days
Jul 8, 11:00 AM CDTFlash Flood WarningHGXBrazoria, Chambers, Fort Bend, Galveston, Harris2 hr
Jul 8, 11:00 AM CDTRiver Flood WarningHGXHarris21 days
Jul 8, 11:03 AM CDTRiver Flood WarningHGXAustin, Colorado, Fort Bend, Wharton51 hr
Jul 8, 11:46 AM CDTSpecial Marine WarningHGX14 min
Jul 8, 12:00 PM CDTAreal Flood WarningHGXChambers, Galveston, Harris, Liberty, Montgomery, Polk and 2 more3 hr
Jul 8, 1:29 PM CDTAreal Flood WarningHGXBrazoria, Chambers, Fort Bend, Galveston, Harris, Liberty and 2 more3 hr
Jul 8, 1:36 PM CDTSmall Craft AdvisoryHGX23 hr
Jul 8, 3:09 PM CDTHeat AdvisoryHGXAustin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more4 days
Jul 8, 3:15 PM CDTRiver Flood WarningHGXHarris, Montgomery32 hr

Nearby

Tornado Warnings in Texas, 2024Every tornado warning in 2024Tornadoes in 2024

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.