Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 22, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Feb 14, 2017, 9:56 AM CST for Brazoria County, Galveston County, Texas. It was in force for 34 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
- Feb 14, 2017, 9:56 AM CST (15:56 UTC)
- Expired
- Feb 14, 2017, 10:30 AM CST
- In force
- 34 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Brazoria County, TX, Galveston County, TX
The radar
The Houston radar (KHGX), 35 km from the middle of the area, began a volume at 15:57 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 |
|---|---|---|---|
| Feb 14, 5:09 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.9 hours before the alert went out and 207 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
- 22 J/kg
- Mixed-layer CIN
- -294 J/kg
- Mixed-layer LCL
- 644 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
831
WFUS54 KHGX 141556
TORHGX
TXC039-167-141630-
/O.NEW.KHGX.TO.W.0022.170214T1556Z-170214T1630Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
956 AM CST TUE FEB 14 2017
The National Weather Service in League City has issued a
* Tornado Warning for...
Southwestern Galveston County in southeastern Texas...
East central Brazoria County in southeastern Texas...
* Until 1030 AM CST.
* At 956 AM CST, a severe thunderstorm capable of producing a tornado
was located over San Luis Pass, or 12 miles northeast of Surfside
Beach, moving northeast 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...
Galveston Island West End, Galveston Causeway, Texas City, La
Marque, Hitchcock, Bayou Vista, Jamaica Beach, Tiki Island,
Galveston Pleasure Pier, Schlitterbahn, Galveston State Park, San
Luis Pass, Scholes Field, Moody Gardens, Offatts Bayou and Pelican
Island.
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 2902 9512 2907 9520 2943 9499 2927 9475
TIME...MOT...LOC 1556Z 217DEG 32KT 2907 9513
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
897
WWUS54 KHGX 141607
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
1007 AM CST TUE FEB 14 2017
TXC039-167-141630-
/O.CON.KHGX.TO.W.0022.000000T0000Z-170214T1630Z/
Galveston TX-Brazoria TX-
1007 AM CST TUE FEB 14 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CST FOR
SOUTHWESTERN GALVESTON AND EAST CENTRAL BRAZORIA COUNTIES...
At 1007 AM CST, a severe thunderstorm capable of producing a tornado
was located near Jamaica Beach, or 11 miles south of Hitchcock,
moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Galveston Island West End, Galveston Causeway, Texas City, La Marque,
Hitchcock, Bayou Vista, Jamaica Beach, Tiki Island, Galveston
Pleasure Pier, Schlitterbahn, Galveston State Park, Scholes Field,
Moody Gardens, Offatts Bayou and Pelican Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2927 9475 2910 9507 2913 9511 2943 9499
TIME...MOT...LOC 1607Z 217DEG 32KT 2915 9506
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$372
WWUS54 KHGX 141622
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
1022 AM CST TUE FEB 14 2017
TXC039-167-141630-
/O.EXP.KHGX.TO.W.0022.000000T0000Z-170214T1630Z/
Galveston TX-Brazoria TX-
1022 AM CST TUE FEB 14 2017
...THE TORNADO WARNING FOR SOUTHWESTERN GALVESTON AND EAST CENTRAL
BRAZORIA COUNTIES WILL EXPIRE AT 1030 AM CST...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, damaging winds remain likely and a Severe
Thunderstorm Warning remains in effect for the area.
A tornado watch remains in effect until 100 PM CST for southeastern
Texas.
LAT...LON 2927 9475 2910 9507 2913 9511 2943 9499
TIME...MOT...LOC 1620Z 217DEG 32KT 2919 9503
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 13, 9:35 PM CST | Marine Dense Fog Advisory | HGX | 6 hr | |
| Feb 14, 3:47 AM CST | Small Craft Advisory | HGX | 12 hr | |
| Feb 14, 5:55 AM CST | Special Weather Statement | HGX | Austin, Colorado | 50 min |
| Feb 14, 6:28 AM CST | Severe Thunderstorm Warning | HGX | Colorado, Jackson, Matagorda, Wharton | 62 min |
| Feb 14, 6:42 AM CST | Severe Thunderstorm Warning | HGX | Austin, Brazos, Burleson, Colorado, Grimes, Waller and 1 more | 48 min |
| Feb 14, 6:45 AM CST | Tornado Warning | HGX | Colorado, Jackson, Wharton | 45 min |
| Feb 14, 6:56 AM CST | Areal Flood Advisory | HGX | Colorado, Jackson, Wharton | 3 hr |
| Feb 14, 7:25 AM CST | Severe Thunderstorm Warning | HGX | Austin, Brazoria, Colorado, Fort Bend, Jackson, Matagorda and 1 more | 65 min |
| Feb 14, 7:28 AM CST | Special Weather Statement | HGX | Grimes, Montgomery, Waller | 62 min |
| Feb 14, 7:29 AM CST | Tornado Warning | HGX | Brazoria, Fort Bend, Matagorda, Wharton | 31 min |
| Feb 14, 7:31 AM CST | Areal Flood Advisory | HGX | Austin, Colorado, Fort Bend, Jackson, Wharton | 3 hr |
| Feb 14, 7:39 AM CST | Tornado Warning | HGX | Austin, Fort Bend, Wharton | 36 min |
| Feb 14, 7:55 AM CST | Tornado Warning | HGX | Brazoria, Fort Bend, Harris, Wharton | 50 min |
| Feb 14, 7:59 AM CST | Special Marine Warning | HGX | 2 hr | |
| Feb 14, 8:16 AM CST | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Harris, Montgomery, Walker | 44 min |
| Feb 14, 8:21 AM CST | Severe Thunderstorm Warning | HGX | Harris, Houston, Liberty, Madison, Montgomery, Polk and 3 more | 54 min |
| Feb 14, 8:30 AM CST | Areal Flood Advisory | HGX | Austin, Brazoria, Colorado, Fort Bend, Galveston, Harris and 3 more | 2 hr |
| Feb 14, 8:35 AM CST | Special Marine Warning | HGX | 115 min | |
| Feb 14, 8:37 AM CST | Tornado Warning | HGX | Brazoria, Fort Bend, Galveston, Harris | 38 min |
| Feb 14, 8:42 AM CST | Tornado Warning | HGX | Brazoria, Galveston, Matagorda | 33 min |
| Feb 14, 8:45 AM CST | Severe Thunderstorm Warning | HGX | Brazoria, Galveston, Matagorda | 30 min |
| Feb 14, 8:56 AM CST | Severe Thunderstorm Warning | HGX | Brazoria, Chambers, Galveston, Harris, Liberty, Montgomery and 1 more | 64 min |
| Feb 14, 8:58 AM CST | Severe Thunderstorm Warning | HGX | Houston, Liberty, Montgomery, Polk, San Jacinto, Trinity | 47 min |
| Feb 14, 9:09 AM CST | Tornado Warning | HGX | Chambers, Harris, Liberty | 30 min |
| Feb 14, 9:13 AM CST | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Harris | 32 min |
| Feb 14, 9:21 AM CST | Severe Thunderstorm Warning | HGX | Brazoria, Galveston, Matagorda | 39 min |
| Feb 14, 9:24 AM CST | Tornado Warning | HGX | Brazoria | 36 min |
| Feb 14, 9:35 AM CST | Areal Flood Advisory | HGX | Harris, Liberty | 115 min |
| Feb 14, 9:43 AM CST | Severe Thunderstorm Warning | HGX | Liberty, Polk | 47 min |
| Feb 14, 9:57 AM CST | Severe Thunderstorm Warning | HGX | Chambers, Galveston, Harris, Liberty, Polk | 63 min |
| Feb 14, 10:22 AM CST | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 53 min |
| Feb 14, 10:28 AM CST | Special Marine Warning | HGX | 2 hr | |
| Feb 14, 3:51 PM CST | Small Craft Advisory | HGX | 20 hr |
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.