Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 89, NWS Houston/Galveston, TX

May 8, 20234 counties in Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 8, 2023, 3:00 PM CDT for 4 counties in Texas. It was in force for 16 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 8, 2023, 3:00 PM CDT (20:00 UTC)
Expired: May 8, 2023, 3:16 PM CDT
In force: 16 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Brazos County, TX, Grimes County, TX, Waller County, TX, Washington County, TX

The radar

The Ft Hood radar (KGRK), 123 km from the middle of the area, began a volume at 20:02 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 12:00Z, 8.0 hours before the alert went out and 286 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 789 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 823 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 12:32 PM CDT, 2 hours 28 minutes earlier.

Area forecast discussion, May 8, 12:32 PM CDT, 2 hours 28 minutes before

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In the hours before

Special weather statement, May 8, 1:31 PM CDT, 1 hour 29 minutes before

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Special weather statement, May 8, 1:47 PM CDT, 1 hour 13 minutes before

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Special weather statement, May 8, 1:59 PM CDT, 1 hour 1 minute before

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Special weather statement, May 8, 2:17 PM CDT, 43 minutes before

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Special weather statement, May 8, 2:27 PM CDT, 33 minutes before

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Special weather statement, May 8, 2:30 PM CDT, 30 minutes before

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The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 7, 10:33 PM CDT	Small Craft Advisory	HGX		5 hr
May 8, 3:20 AM CDT	Rip Current Statement	HGX	Brazoria, Galveston, Matagorda	16 hr
May 8, 1:12 PM CDT	Special Weather Statement	HGX	Polk	33 min
May 8, 1:31 PM CDT	Special Weather Statement	HGX	Polk	29 min
May 8, 1:47 PM CDT	Special Weather Statement	HGX	Polk	28 min
May 8, 1:59 PM CDT	Special Weather Statement	HGX	Colorado	31 min
May 8, 2:17 PM CDT	Special Weather Statement	HGX	Polk	28 min
May 8, 2:27 PM CDT	Special Weather Statement	HGX	Washington	33 min
May 8, 2:30 PM CDT	Special Weather Statement	HGX	Colorado	30 min
May 8, 2:34 PM CDT	Severe Thunderstorm Warning	HGX	Brazos, Grimes, Waller, Washington	26 min
May 8, 3:16 PM CDT	Special Weather Statement	HGX	Grimes	44 min
May 8, 3:23 PM CDT	Special Weather Statement	HGX	Waller	37 min
May 8, 3:30 PM CDT	Severe Thunderstorm Warning	HGX	Harris, Montgomery, Waller	30 min
May 8, 3:59 PM CDT	Special Weather Statement	HGX	Brazos, Grimes, Walker, Washington	61 min
May 8, 4:19 PM CDT	Areal Flood Advisory	HGX	Brazos, Grimes, Harris, Montgomery, Walker, Waller and 1 more	107 min
May 8, 5:25 PM CDT	Special Weather Statement	HGX	Montgomery	50 min
May 8, 5:30 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery	60 min
May 8, 5:52 PM CDT	Severe Thunderstorm Warning	HGX	Harris, Montgomery	38 min
May 8, 6:05 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery, Waller	55 min
May 8, 6:15 PM CDT	Severe Thunderstorm Warning	HGX	Colorado	27 min
May 8, 6:31 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery	63 min
May 8, 6:37 PM CDT	Flash Flood Warning	HGX	Harris, Montgomery	23 min
May 8, 6:37 PM CDT	Special Weather Statement	HGX	Harris	23 min
May 8, 6:55 PM CDT	Severe Thunderstorm Warning	HGX	Harris	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 2023 Every severe thunderstorm warning in 2023

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.