Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 68, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Aug 25, 2017, 6:35 PM CDT for Brazoria County, Fort Bend County, Texas. It was in force for 25 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, 6:35 PM CDT (23:35 UTC)
- Expired
- Aug 25, 2017, 7:00 PM CDT
- In force
- 25 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
The radar
The Houston radar (KHGX), 50 km from the middle of the area, began a volume at 23:36 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.6 hours before the alert went out and 242 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
- 1337 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
149
WFUS54 KHGX 252335
TORHGX
TXC039-157-260000-
/O.NEW.KHGX.TO.W.0068.170825T2335Z-170826T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
635 PM CDT FRI AUG 25 2017
The National Weather Service in League City has issued a
* Tornado Warning for...
South central Fort Bend County in southeastern Texas...
Central Brazoria County in southeastern Texas...
* Until 700 PM CDT.
* At 635 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Richwood, or near Clute, 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...
Northern Lake Jackson, Angleton, West Columbia, Richwood, Holiday
Lakes and Bailey's Prairie.
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 2910 9526 2902 9532 2920 9575 2936 9563
TIME...MOT...LOC 2335Z 123DEG 33KT 2910 9537
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
401 follow-up statement
182
WWUS54 KHGX 252348
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
648 PM CDT FRI AUG 25 2017
TXC039-157-260000-
/O.CON.KHGX.TO.W.0068.000000T0000Z-170826T0000Z/
Fort Bend TX-Brazoria TX-
648 PM CDT FRI AUG 25 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR SOUTH
CENTRAL FORT BEND AND CENTRAL BRAZORIA COUNTIES...
At 648 PM CDT, a severe thunderstorm capable of producing a tornado
was located over eastern Bailey's Prairie, or over Angleton, moving
northwest at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Northeastern Lake Jackson, Angleton, West Columbia, Richwood, Holiday
Lakes and Bailey's Prairie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2920 9575 2936 9563 2916 9535 2906 9542
TIME...MOT...LOC 2348Z 122DEG 32KT 2916 9548
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
40The 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, 6:13 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend, Matagorda, Wharton | 32 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.