Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 21, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Feb 14, 2017, 9:24 AM CST for Brazoria County, Texas. It was in force for 36 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, 9:24 AM CST (15:24 UTC)
- Expired
- Feb 14, 2017, 10:00 AM CST
- In force
- 36 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Brazoria County, TX
The radar
The Houston radar (KHGX), 33 km from the middle of the area, began a volume at 15:27 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, 3.4 hours before the alert went out and 212 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.
347
WFUS54 KHGX 141524
TORHGX
TXC039-141600-
/O.NEW.KHGX.TO.W.0021.170214T1524Z-170214T1600Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
924 AM CST TUE FEB 14 2017
The National Weather Service in League City has issued a
* Tornado Warning for...
East central Brazoria County in southeastern Texas...
* Until 1000 AM CST.
* At 924 AM CST, a severe thunderstorm capable of producing a tornado
was located near Angleton, moving east 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...
Angleton and Danbury.
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 9545 2934 9515 2920 9506 2921 9504
2924 9501 2919 9499 2919 9501 2918 9501
2916 9503 2915 9502 2918 9498 2913 9496
2912 9506 2915 9503 2916 9504 2912 9510
2910 9542
TIME...MOT...LOC 1524Z 248DEG 29KT 2914 9538
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$3 follow-up statements
807
WWUS54 KHGX 141533
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
933 AM CST TUE FEB 14 2017
TXC039-141600-
/O.CON.KHGX.TO.W.0021.000000T0000Z-170214T1600Z/
Brazoria TX-
933 AM CST TUE FEB 14 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 AM CST FOR EAST
CENTRAL BRAZORIA COUNTY...
At 931 AM CST, a severe thunderstorm capable of producing a tornado
was located 5 miles south of Danbury, moving east at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
east central Brazoria County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2912 9534 2919 9537 2934 9515 2920 9506
2921 9504 2924 9501 2919 9499 2919 9501
2917 9502 2916 9503 2915 9502 2918 9498
2913 9496 2912 9506 2915 9503 2916 9504
2912 9510
TIME...MOT...LOC 1531Z 248DEG 29KT 2916 9531
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$051
WWUS54 KHGX 141544
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
944 AM CST TUE FEB 14 2017
TXC039-141600-
/O.CON.KHGX.TO.W.0021.000000T0000Z-170214T1600Z/
Brazoria TX-
944 AM CST TUE FEB 14 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 AM CST FOR EAST
CENTRAL BRAZORIA COUNTY...
At 944 AM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles southeast of Liverpool, or 13 miles southwest of
Hitchcock, moving east 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.
This tornadic thunderstorm will remain over mainly rural areas of
east central Brazoria County.
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 2916 9522 2923 9530 2934 9515 2921 9507
TIME...MOT...LOC 1544Z 248DEG 29KT 2920 9519
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$232
WWUS54 KHGX 141555
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
955 AM CST TUE FEB 14 2017
TXC039-141603-
/O.EXP.KHGX.TO.W.0021.000000T0000Z-170214T1600Z/
Brazoria TX-
955 AM CST TUE FEB 14 2017
...THE TORNADO WARNING FOR EAST CENTRAL BRAZORIA COUNTY WILL EXPIRE
AT 1000 AM CST...
The storm which prompted the warning is no longer showing
significant rotation. However strong winds are still possible and
the area remains under a Severe Thunderstorm Warning.
A tornado watch remains in effect until 100 PM CST for southeastern
Texas.
Remember, a Severe Thunderstorm Warning still remains in effect.
LAT...LON 2916 9522 2923 9530 2934 9515 2921 9507
TIME...MOT...LOC 1553Z 248DEG 29KT 2922 9513
$$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, 9:35 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, 9:56 AM CST | Tornado Warning | HGX | Brazoria, Galveston | 34 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.