Alert archive / Texas / Tornado Warnings in 2024

Tornado Warning 37, NWS Houston/Galveston, TX

July 7, 2024Brazoria County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jul 7, 2024, 9:53 PM CDT for Brazoria County, Matagorda County, Texas. It was in force for 7 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 7, 2024, 9:53 PM CDT (02:53 UTC)
Expired
Jul 7, 2024, 10:00 PM CDT
In force
7 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Brazoria County, TX, Matagorda County, TX

The radar

The Houston radar (KHGX), 83 km from the middle of the area, began a volume at 02:55 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.9 hours before the alert went out and 275 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 7, 6:58 PM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, Jul 7, 6:58 PM CDT, 2 hours 55 minutes before
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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, 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, 5:11 AM CDTTornado WarningHGXHarris19 min
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.