Alert archive / Texas / Tornado Warnings in 2021
Tornado Warning 23, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Aug 2, 2021, 6:44 PM CDT for Chambers County, Galveston County, Texas. It was in force for 46 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
- Aug 2, 2021, 6:44 PM CDT (23:44 UTC)
- Expired
- Aug 2, 2021, 7:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.0 in
Counties Chambers County, TX, Galveston County, TX
The radar
The Houston radar (KHGX), 48 km from the middle of the area, began a volume at 23:48 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, 11.7 hours before the alert went out and 150 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.
- Mixed-layer CAPE
- 1654 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
701
WFUS54 KHGX 022344
TORHGX
TXC071-167-030030-
/O.NEW.KHGX.TO.W.0023.210802T2344Z-210803T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
644 PM CDT Mon Aug 2 2021
The National Weather Service in League City has issued a
* Tornado Warning for...
Northeastern Galveston County in southeastern Texas...
Southeastern Chambers County in southeastern Texas...
* Until 730 PM CDT.
* At 644 PM CDT, a confirmed tornado was located over Crystal Beach,
or 15 miles northeast of Galveston Pier 21, moving east at 20 mph.
HAZARD...Damaging tornado.
SOURCE...Emergency Management confirmed tornado.
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.
* The tornado will be near...
Rollover Pass and Gilchrist around 710 PM CDT.
Bolivar Peninsula around 730 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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.
&&
LAT...LON 2946 9470 2953 9470 2958 9440 2942 9440
TIME...MOT...LOC 2344Z 268DEG 18KT 2949 9464
TORNADO...OBSERVED
HAIL...0.00IN
$$2 follow-up statements
350
WWUS54 KHGX 030009
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
709 PM CDT Mon Aug 2 2021
TXC071-167-030030-
/O.CON.KHGX.TO.W.0023.000000T0000Z-210803T0030Z/
Galveston TX-Chambers TX-
709 PM CDT Mon Aug 2 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
NORTHEASTERN GALVESTON AND SOUTHEASTERN CHAMBERS COUNTIES...
At 709 PM CDT, a confirmed tornado was located over Rollover Pass, or
22 miles northeast of Galveston Pier 21, moving east at 20 mph.
HAZARD...Damaging tornado.
SOURCE...Emergency management confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Bolivar Peninsula around 730 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 2942 9440 2943 9450 2944 9450 2944 9454
2955 9455 2958 9440
TIME...MOT...LOC 0009Z 268DEG 18KT 2949 9449
TORNADO...OBSERVED
HAIL...0.00IN
$$246
WWUS54 KHGX 030024
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
724 PM CDT Mon Aug 2 2021
TXC071-167-030034-
/O.EXP.KHGX.TO.W.0023.000000T0000Z-210803T0030Z/
Galveston TX-Chambers TX-
724 PM CDT Mon Aug 2 2021
...THE TORNADO WARNING FOR NORTHEASTERN GALVESTON AND SOUTHEASTERN
CHAMBERS COUNTIES WILL EXPIRE AT 730 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.
LAT...LON 2942 9440 2943 9450 2944 9450 2944 9454
2955 9455 2958 9440
TIME...MOT...LOC 0024Z 268DEG 18KT 2949 9442
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 5:49 PM CDT | Special Marine Warning | HGX | 41 min | |
| Aug 2, 6:26 PM CDT | Special Weather Statement | HGX | Chambers | 49 min |
| Aug 2, 6:45 PM CDT | Special Marine Warning | HGX | 45 min | |
| Aug 2, 6:55 PM CDT | Tornado Warning | HGX | Chambers | 35 min |
Nearby
Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes in 2021
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.