Alert archive / Texas / Tornado Warnings in 2024

Tornado Warning 21, NWS Houston/Galveston, TX

April 28, 2024Houston County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Apr 28, 2024, 6:10 PM CDT for Houston County, Texas. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 28, 2024, 6:10 PM CDT (23:10 UTC)
Expired
Apr 28, 2024, 6:39 PM CDT
In force
29 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

County Houston County, TX

The radar

The Shreveport radar (KSHV), 189 km from the middle of the area, began a volume at 23:11 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
Apr 28, 2:25 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.2 hours before the alert went out and 198 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, Shreveport, LA at 12:00Z on 2024-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 173 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2024-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
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

The text

As transmitted.

007 
WFUS54 KHGX 282310
TORHGX
TXC225-290000-
/O.NEW.KHGX.TO.W.0021.240428T2310Z-240429T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
610 PM CDT Sun Apr 28 2024

The National Weather Service in League City has issued a

* Tornado Warning for...
  Northwestern Houston County in southeastern Texas...

* Until 700 PM CDT.

* At 609 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Grapeland, or 12 miles northwest of Crockett,
  moving northeast at 35 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Grapeland and Latexo around 615 PM CDT.

Other locations impacted by this tornadic thunderstorm include Weches
and Mound City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3157 9521 3158 9517 3154 9514 3150 9509
      3149 9511 3148 9510 3134 9566 3134 9567
      3136 9566 3137 9569 3142 9571 3145 9571
      3147 9574 3148 9572 3149 9574 3151 9574
      3153 9565 3154 9565 3159 9528
TIME...MOT...LOC 2309Z 246DEG 30KT 3149 9554 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN

$$

Batiste
2 follow-up statements
083 
WWUS54 KHGX 282327
SVSHGX

Severe Weather Statement
National Weather Service Houston/Galveston TX
627 PM CDT Sun Apr 28 2024

TXC225-290000-
/O.CON.KHGX.TO.W.0021.000000T0000Z-240429T0000Z/
Houston TX-
627 PM CDT Sun Apr 28 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN HOUSTON COUNTY...

At 627 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Grapeland, or 16 miles north of
Crockett, moving northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northwestern Houston County, including the following locations...
Weches and Mound City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3157 9521 3158 9517 3154 9514 3150 9509
      3149 9511 3148 9510 3138 9564 3146 9567
      3150 9568 3152 9569 3153 9565 3154 9565
      3159 9528
TIME...MOT...LOC 2327Z 246DEG 30KT 3155 9538 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Batiste
929 
WWUS54 KHGX 282339 RRA
SVSHGX

Severe Weather Statement
National Weather Service Houston/Galveston TX
639 PM CDT Sun Apr 28 2024

TXC225-282348-
/O.CAN.KHGX.TO.W.0021.000000T0000Z-240429T0000Z/
Houston TX-
639 PM CDT Sun Apr 28 2024

...THE TORNADO WARNING FOR NORTHWESTERN HOUSTON COUNTY IS
CANCELLED...

The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, gusty winds are still possible with this 
thunderstorm. A Severe Thunderstorm Warning is now in effect.

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

&&

LAT...LON 3157 9521 3158 9517 3154 9514 3150 9509
      3149 9511 3148 9510 3138 9564 3146 9567
      3150 9568 3152 9569 3153 9565 3154 9565
      3159 9528
TIME...MOT...LOC 2337Z 246DEG 30KT 3159 9527 

$$

Batiste

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 11:09 AM CDTFlood WatchHGXBrazos, Burleson, Grimes, Houston, Liberty, Madison and 5 more23 hr
Apr 28, 5:10 PM CDTSpecial Weather StatementHGXBrazos35 min
Apr 28, 5:23 PM CDTTornado WarningHGXHouston52 min
Apr 28, 5:26 PM CDTSpecial Weather StatementHGXGrimes34 min
Apr 28, 5:42 PM CDTSevere Thunderstorm WarningHGXHouston, Madison48 min
Apr 28, 5:46 PM CDTSpecial Weather StatementHGXGrimes29 min
Apr 28, 5:55 PM CDTAreal Flood AdvisoryHGXBrazos110 min
Apr 28, 5:57 PM CDTSevere Thunderstorm WarningHGXGrimes33 min
Apr 28, 6:13 PM CDTSevere Thunderstorm WarningHGXGrimes, Madison, Walker32 min
Apr 28, 6:14 PM CDTTornado WarningHGXHouston, Madison46 min
Apr 28, 6:22 PM CDTTornado WarningHGXGrimes, Madison23 min
Apr 28, 6:30 PM CDTTornado WarningHGXGrimes, Madison30 min
Apr 28, 6:33 PM CDTAreal Flood AdvisoryHGXBrazos, Grimes, Houston, Madison, Walker117 min
Apr 28, 6:38 PM CDTSevere Thunderstorm WarningHGXHouston52 min
Apr 28, 6:43 PM CDTTornado WarningHGXMadison32 min
Apr 28, 6:55 PM CDTSevere Thunderstorm WarningHGXMadison35 min
Apr 28, 6:57 PM CDTSevere Thunderstorm WarningHGXHouston, Trinity48 min

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.