Alert archive / Texas / Tornado Warnings in 2024

Tornado Warning 20, NWS Houston/Galveston, TX

April 28, 2024Houston County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Apr 28, 2024, 5:23 PM CDT for Houston County, Texas. It was in force for 52 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 28, 2024, 5:23 PM CDT (22:23 UTC)
Expired: Apr 28, 2024, 6:15 PM CDT
In force: 52 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Houston County, TX

The radar

The Shreveport radar (KSHV), 195 km from the middle of the area, began a volume at 22:24 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.

Issued	Product	Office	Lasted
Apr 28, 2:25 PM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.4 hours before the alert went out and 204 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: 173 J/kg
Mixed-layer CIN: -346 J/kg
Mixed-layer LCL: 789 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 460 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 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 Apr 28, 4:05 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Apr 28, 4:05 PM CDT, 1 hour 18 minutes before

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In the hours before

Special weather statement, Apr 28, 5:10 PM CDT, 13 minutes before

Special Weather Statement
National Weather Service Houston/Galveston TX
510 PM CDT Sun Apr 28 2024

TXZ195-196-198-282245-
Brazos TX-Grimes TX-Burleson TX-
510 PM CDT Sun Apr 28 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN GRIMES...EAST
CENTRAL BURLESON AND CENTRAL BRAZOS COUNTIES THROUGH 545 PM CDT...

At 509 PM CDT, Doppler radar was tracking a strong thunderstorm near
Snook, or 7 miles southwest of College Station, moving northeast at
35 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
College Station, Bryan, Snook, Kyle Field, and Wellborn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until 900 PM CDT for southeastern
Texas.

&&

LAT...LON 3047 9634 3046 9652 3077 9642 3064 9617
      3054 9625
TIME...MOT...LOC 2209Z 219DEG 32KT 3053 9640

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Self

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 11:09 AM CDT	Flood Watch	HGX	Brazos, Burleson, Grimes, Houston, Liberty, Madison and 5 more	23 hr
Apr 28, 5:10 PM CDT	Special Weather Statement	HGX	Brazos	35 min
Apr 28, 5:26 PM CDT	Special Weather Statement	HGX	Grimes	34 min
Apr 28, 5:42 PM CDT	Severe Thunderstorm Warning	HGX	Houston, Madison	48 min
Apr 28, 5:46 PM CDT	Special Weather Statement	HGX	Grimes	29 min
Apr 28, 5:55 PM CDT	Areal Flood Advisory	HGX	Brazos	110 min
Apr 28, 5:57 PM CDT	Severe Thunderstorm Warning	HGX	Grimes	33 min
Apr 28, 6:10 PM CDT	Tornado Warning	HGX	Houston	29 min
Apr 28, 6:13 PM CDT	Severe Thunderstorm Warning	HGX	Grimes, Madison, Walker	32 min
Apr 28, 6:14 PM CDT	Tornado Warning	HGX	Houston, Madison	46 min
Apr 28, 6:22 PM CDT	Tornado Warning	HGX	Grimes, Madison	23 min
Apr 28, 6:30 PM CDT	Tornado Warning	HGX	Grimes, Madison	30 min
Apr 28, 6:33 PM CDT	Areal Flood Advisory	HGX	Brazos, Grimes, Houston, Madison, Walker	117 min
Apr 28, 6:38 PM CDT	Severe Thunderstorm Warning	HGX	Houston	52 min
Apr 28, 6:43 PM CDT	Tornado Warning	HGX	Madison	32 min
Apr 28, 6:55 PM CDT	Severe Thunderstorm Warning	HGX	Madison	35 min
Apr 28, 6:57 PM CDT	Severe Thunderstorm Warning	HGX	Houston, Trinity	48 min

Nearby

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