Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 124, NWS Houston/Galveston, TX

June 16, 20194 counties in Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 16, 2019, 1:07 PM CDT for 4 counties in Texas. It was in force for 38 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 16, 2019, 1:07 PM CDT (18:07 UTC)
Expired: Jun 16, 2019, 1:45 PM CDT
In force: 38 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Houston County, TX, San Jacinto County, TX, Trinity County, TX, Walker County, TX

The radar

The Houston radar (KHGX), 164 km from the middle of the area, began a volume at 18:07 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

Shreveport, LA (KSHV), launched 12:00Z, 6.1 hours before the alert went out and 228 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: 1547 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 887 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -45 m²/s²
0-3 km storm-relative helicity: 27 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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 12:18 PM CDT, 49 minutes earlier.

Area forecast discussion, Jun 16, 12:18 PM CDT, 49 minutes before

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Hazardous weather outlook, Jun 16, 4:18 AM CDT, 8 hours 49 minutes before

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In the hours before

Special weather statement, Jun 16, 11:26 AM CDT, 1 hour 41 minutes before

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Special weather statement, Jun 16, 12:18 PM CDT, 49 minutes before

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Special weather statement, Jun 16, 12:39 PM CDT, 28 minutes before

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Special weather statement, Jun 16, 12:40 PM CDT, 27 minutes before

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Special weather statement, Jun 16, 12:52 PM CDT, 15 minutes before

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Special weather statement, Jun 16, 1:07 PM CDT, 0 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
Jun 16, 11:26 AM CDT	Special Weather Statement	HGX	Colorado	34 min
Jun 16, 12:07 PM CDT	Areal Flood Advisory	HGX	Houston	113 min
Jun 16, 12:18 PM CDT	Special Weather Statement	HGX	Washington	27 min
Jun 16, 12:39 PM CDT	Special Weather Statement	HGX	Liberty	51 min
Jun 16, 12:40 PM CDT	Special Weather Statement	HGX	Walker	65 min
Jun 16, 12:52 PM CDT	Special Weather Statement	HGX	Trinity	38 min
Jun 16, 1:07 PM CDT	Special Weather Statement	HGX	Liberty	38 min
Jun 16, 1:14 PM CDT	Special Weather Statement	HGX	Polk	46 min
Jun 16, 1:25 PM CDT	Severe Thunderstorm Warning	HGX	Polk, Trinity	35 min
Jun 16, 1:45 PM CDT	Special Weather Statement	HGX	Montgomery	45 min
Jun 16, 1:46 PM CDT	Special Weather Statement	HGX	Polk	44 min
Jun 16, 1:55 PM CDT	Special Weather Statement	HGX	Madison	35 min
Jun 16, 3:04 PM CDT	Special Weather Statement	HGX	Walker	41 min
Jun 16, 3:34 PM CDT	Areal Flood Advisory	HGX	Houston, Trinity, Walker	116 min
Jun 16, 3:39 PM CDT	Special Weather Statement	HGX	Trinity	51 min
Jun 16, 3:43 PM CDT	Special Weather Statement	HGX	Harris	47 min
Jun 16, 3:56 PM CDT	Special Weather Statement	HGX	Montgomery	49 min
Jun 16, 4:23 PM CDT	Special Weather Statement	HGX	Walker	52 min
Jun 16, 4:31 PM CDT	Special Weather Statement	HGX	Fort Bend	44 min
Jun 16, 4:33 PM CDT	Special Weather Statement	HGX	Burleson	42 min
Jun 16, 4:43 PM CDT	Severe Thunderstorm Warning	HGX	Brazos, Burleson	32 min
Jun 16, 4:56 PM CDT	Areal Flood Advisory	HGX	Liberty, Montgomery, Polk, San Jacinto, Trinity, Walker	2 hr
Jun 16, 5:02 PM CDT	Special Weather Statement	HGX	Fort Bend	28 min
Jun 16, 5:15 PM CDT	Special Weather Statement	HGX	Liberty	45 min
Jun 16, 5:23 PM CDT	Flash Flood Warning	HGX	Polk, San Jacinto, Trinity, Walker	76 min
Jun 16, 5:35 PM CDT	Special Weather Statement	HGX	Polk	40 min
Jun 16, 5:41 PM CDT	Special Weather Statement	HGX	Burleson	49 min
Jun 16, 5:46 PM CDT	Special Weather Statement	HGX	Grimes	44 min
Jun 16, 5:52 PM CDT	Severe Thunderstorm Warning	HGX	Brazos, Burleson	38 min
Jun 16, 5:55 PM CDT	Severe Thunderstorm Warning	HGX	Brazos, Grimes, Washington	50 min
Jun 16, 6:17 PM CDT	Areal Flood Advisory	HGX	Brazos, Burleson, Grimes, Washington	118 min
Jun 16, 6:35 PM CDT	Special Weather Statement	HGX	Montgomery	40 min
Jun 16, 6:39 PM CDT	Flash Flood Warning	HGX	Brazos, Burleson, Grimes, Washington	2 hr
Jun 16, 6:44 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery	2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Every severe thunderstorm warning in 2019

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.