Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 67, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Aug 25, 2017, 6:13 PM CDT for 4 counties in Texas. It was in force for 32 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 25, 2017, 6:13 PM CDT (23:13 UTC)
- Expired
- Aug 25, 2017, 6:45 PM CDT
- In force
- 32 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Brazoria County, TX, Fort Bend County, TX, Matagorda County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 60 km from the middle of the area, began a volume at 23:14 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 |
|---|---|---|---|
| Aug 25, 2:02 PM CDT | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 11.2 hours before the alert went out and 236 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
- 298 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
313
WFUS54 KHGX 252313
TORHGX
TXC039-157-321-481-252345-
/O.NEW.KHGX.TO.W.0067.170825T2313Z-170825T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
613 PM CDT FRI AUG 25 2017
The National Weather Service in League City has issued a
* Tornado Warning for...
East central Wharton County in southeastern Texas...
South central Fort Bend County in southeastern Texas...
West central Brazoria County in southeastern Texas...
Northeastern Matagorda County in southeastern Texas...
* Until 645 PM CDT.
* At 612 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bailey's Prairie, or near West Columbia, moving
northwest at 40 mph. Another severe thunderstorm capable of
producing a tornado was located near West Columbia, moving
northwest at 40 mph.
HAZARD...Tornado.
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.
* Locations impacted include...
Northwestern Angleton, West Columbia, Needville, Holiday Lakes,
Pleak, Fairchilds, Bailey's Prairie, Boling-Iago and Damon.
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.
&&
LAT...LON 2917 9542 2905 9552 2929 9600 2951 9581
TIME...MOT...LOC 2312Z 128DEG 34KT 2916 9554
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
402 follow-up statements
613
WWUS54 KHGX 252328
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
628 PM CDT FRI AUG 25 2017
TXC039-157-321-481-252345-
/O.CON.KHGX.TO.W.0067.000000T0000Z-170825T2345Z/
Wharton TX-Fort Bend TX-Brazoria TX-Matagorda TX-
628 PM CDT FRI AUG 25 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR EAST
CENTRAL WHARTON...SOUTH CENTRAL FORT BEND...WEST CENTRAL BRAZORIA AND
NORTHEASTERN MATAGORDA COUNTIES...
At 626 PM CDT, a severe thunderstorm capable of producing a tornado
was located near West Columbia, moving northwest at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Northwestern Angleton, West Columbia, Needville, Holiday Lakes,
Pleak, Fairchilds, Bailey's Prairie, Boling-Iago and Damon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2917 9542 2905 9552 2929 9600 2951 9581
TIME...MOT...LOC 2326Z 123DEG 33KT 2923 9566
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
40601
WWUS54 KHGX 252347
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
647 PM CDT FRI AUG 25 2017
TXC039-157-321-481-252357-
/O.EXP.KHGX.TO.W.0067.000000T0000Z-170825T2345Z/
Wharton TX-Fort Bend TX-Brazoria TX-Matagorda TX-
647 PM CDT FRI AUG 25 2017
...THE TORNADO WARNING FOR EAST CENTRAL WHARTON...SOUTH CENTRAL FORT
BEND...WEST CENTRAL BRAZORIA AND NORTHEASTERN MATAGORDA COUNTIES HAS
EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been allowed to expire.
A tornado watch remains in effect until 200 AM CDT for southeastern
Texas.
LAT...LON 2917 9542 2905 9552 2929 9600 2951 9581
TIME...MOT...LOC 2347Z 128DEG 34KT 2933 9580
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 3:27 AM CDT | Special Marine Warning | HGX | 63 min | |
| Aug 25, 4:01 AM CDT | Special Marine Warning | HGX | 89 min | |
| Aug 25, 9:24 AM CDT | Special Marine Warning | HGX | 66 min | |
| Aug 25, 10:15 AM CDT | Special Marine Warning | HGX | 60 min | |
| Aug 25, 10:43 AM CDT | Tornado Warning | HGX | Matagorda | 13 min |
| Aug 25, 11:09 AM CDT | Special Marine Warning | HGX | 66 min | |
| Aug 25, 11:16 AM CDT | Special Marine Warning | HGX | 59 min | |
| Aug 25, 11:22 AM CDT | Tornado Warning | HGX | Matagorda | 13 min |
| Aug 25, 12:23 PM CDT | Special Marine Warning | HGX | 67 min | |
| Aug 25, 12:53 PM CDT | Special Marine Warning | HGX | 37 min | |
| Aug 25, 12:58 PM CDT | Areal Flood Advisory | HGX | Matagorda | 3 hr |
| Aug 25, 1:47 PM CDT | Special Marine Warning | HGX | 28 min | |
| Aug 25, 1:48 PM CDT | Tornado Warning | HGX | Galveston | 27 min |
| Aug 25, 2:02 PM CDT | Special Marine Warning | HGX | 28 min | |
| Aug 25, 2:08 PM CDT | Tornado Warning | HGX | Brazoria, Matagorda | 37 min |
| Aug 25, 2:14 PM CDT | Tornado Warning | HGX | Galveston | 31 min |
| Aug 25, 2:29 PM CDT | Special Marine Warning | HGX | 16 min | |
| Aug 25, 2:41 PM CDT | Tornado Warning | HGX | Galveston | 19 min |
| Aug 25, 2:42 PM CDT | Special Marine Warning | HGX | 33 min | |
| Aug 25, 2:44 PM CDT | Special Marine Warning | HGX | 31 min | |
| Aug 25, 2:44 PM CDT | Tornado Warning | HGX | Galveston | 11 min |
| Aug 25, 3:03 PM CDT | Special Marine Warning | HGX | 27 min | |
| Aug 25, 3:03 PM CDT | Tornado Warning | HGX | Brazoria | 27 min |
| Aug 25, 3:09 PM CDT | Tornado Warning | HGX | Brazoria | 36 min |
| Aug 25, 3:13 PM CDT | Special Marine Warning | HGX | 32 min | |
| Aug 25, 3:23 PM CDT | Special Marine Warning | HGX | 37 min | |
| Aug 25, 3:27 PM CDT | Tornado Warning | HGX | Matagorda | 21 min |
| Aug 25, 3:42 PM CDT | Tornado Warning | HGX | Galveston | 33 min |
| Aug 25, 3:48 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend, Matagorda, Wharton | 27 min |
| Aug 25, 3:54 PM CDT | Special Marine Warning | HGX | 36 min | |
| Aug 25, 4:07 PM CDT | Tornado Warning | HGX | Brazoria, Galveston | 23 min |
| Aug 25, 4:37 PM CDT | Areal Flood Advisory | HGX | Brazoria, Galveston | 113 min |
| Aug 25, 5:19 PM CDT | Tornado Warning | HGX | Brazoria, Matagorda, Wharton | 26 min |
| Aug 25, 5:23 PM CDT | Special Marine Warning | HGX | 52 min | |
| Aug 25, 5:26 PM CDT | Special Marine Warning | HGX | 34 min | |
| Aug 25, 5:31 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend, Matagorda, Wharton | 14 min |
| Aug 25, 5:42 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend, Matagorda, Wharton | 33 min |
| Aug 25, 5:45 PM CDT | Tornado Warning | HGX | Brazoria | 30 min |
| Aug 25, 6:07 PM CDT | Special Marine Warning | HGX | 23 min | |
| Aug 25, 6:08 PM CDT | Special Marine Warning | HGX | 37 min | |
| Aug 25, 6:08 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend, Matagorda, Wharton | 26 min |
| Aug 25, 6:11 PM CDT | Special Marine Warning | HGX | 49 min | |
| Aug 25, 6:35 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend | 25 min |
| Aug 25, 6:39 PM CDT | Tornado Warning | HGX | Brazoria, Galveston | 36 min |
| Aug 25, 6:50 PM CDT | Special Marine Warning | HGX | 25 min | |
| Aug 25, 6:53 PM CDT | Tornado Warning | HGX | Brazoria, Galveston | 22 min |
| Aug 25, 6:59 PM CDT | Special Marine Warning | HGX | 61 min |
Nearby
Tornado Warnings in Texas, 2017Every tornado warning in 2017Tornadoes in 2017
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.