Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 5, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Jan 16, 2017, 6:46 AM CST for Harris County, Texas. It was in force for 29 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
- Jan 16, 2017, 6:46 AM CST (12:46 UTC)
- Expired
- Jan 16, 2017, 7:15 AM CST
- In force
- 29 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Harris County, TX
The radar
The Houston radar (KHGX), 65 km from the middle of the area, began a volume at 12:47 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 |
|---|---|---|---|
| Jan 2, 1:39 AM CST | Severe Thunderstorm Watch | SPC | 59 days |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.8 hours before the alert went out and 233 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
- 423 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 553 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.0
The text
As transmitted.
537 WFUS54 KHGX 161246 TORHGX TXC201-161315- /O.NEW.KHGX.TO.W.0005.170116T1246Z-170116T1315Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Houston/Galveston TX 646 AM CST MON JAN 16 2017 The National Weather Service in League City has issued a * Tornado Warning for... Northwestern Harris County in southeastern Texas... * Until 715 AM CST. * At 646 AM CST, a severe thunderstorm capable of producing a tornado was located over Cinco Ranch, or near Katy, moving northeast at 20 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Expect damage to mobile homes, roofs, and vehicles. * Locations impacted include... Katy, Jersey Village, Spring Branch West, Spring Branch North, Addicks Park Ten, northern Eldridge / West Oaks, Willowbrook, Carverdale, Fairbanks / Northwest Crossing, Greater Inwood, Westbranch, Spring Branch Central, Langwood, Central Northwest, southwestern Acres Home, Cinco Ranch, Spring Branch East, Addicks and Memorial. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! Move to 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. Motorists should not take shelter under highway overpasses. If you cannot safely drive away from the tornado, as a last resort, either park your vehicle and stay put, or abandon your vehicle and lie down in a low lying area and protect yourself from flying debris. && LAT...LON 2984 9542 2973 9572 2979 9582 3004 9562 TIME...MOT...LOC 1246Z 229DEG 19KT 2978 9574 TORNADO...RADAR INDICATED HAIL...0.00IN $$ 40
1 follow-up statement
499
WWUS54 KHGX 161305
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
705 AM CST MON JAN 16 2017
TXC201-161315-
/O.CON.KHGX.TO.W.0005.000000T0000Z-170116T1315Z/
Harris TX-
705 AM CST MON JAN 16 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM CST FOR
NORTHWESTERN HARRIS COUNTY...
At 704 AM CST, a severe thunderstorm capable of producing a tornado
was located over Addicks Park Ten, moving northeast at 20 mph.
HAZARD...TORNADO.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
Locations impacted include...
Jersey Village, Addicks Park Ten, Willowbrook, Carverdale,
Westbranch, Greater Inwood and Fairbanks / Northwest Crossing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.
&&
LAT...LON 2989 9547 2979 9568 2985 9575 3004 9562
TIME...MOT...LOC 1304Z 229DEG 19KT 2984 9566
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
40The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 3:41 AM CST | Special Weather Statement | HGX | Madison | 49 min |
| Jan 16, 3:51 AM CST | Special Weather Statement | HGX | Grimes | 54 min |
| Jan 16, 3:56 AM CST | Special Weather Statement | HGX | Houston | 34 min |
| Jan 16, 4:16 AM CST | Special Weather Statement | HGX | Wharton | 44 min |
| Jan 16, 4:42 AM CST | Tornado Warning | HGX | Austin, Colorado, Fort Bend, Wharton | 33 min |
| Jan 16, 4:44 AM CST | Special Weather Statement | HGX | Grimes | 46 min |
| Jan 16, 4:51 AM CST | Areal Flood Advisory | HGX | Austin, Colorado, Fort Bend, Wharton | 54 min |
| Jan 16, 5:16 AM CST | Tornado Warning | HGX | Austin, Colorado, Fort Bend, Wharton | 29 min |
| Jan 16, 5:47 AM CST | Tornado Warning | HGX | Austin, Fort Bend, Waller, Wharton | 28 min |
| Jan 16, 5:48 AM CST | Areal Flood Advisory | HGX | Austin, Colorado, Fort Bend, Waller, Wharton | 57 min |
| Jan 16, 6:12 AM CST | Tornado Warning | HGX | Austin, Fort Bend, Harris, Waller | 33 min |
| Jan 16, 6:58 AM CST | Areal Flood Advisory | HGX | Austin, Fort Bend, Harris, Waller | 62 min |
| Jan 16, 7:14 AM CST | Tornado Warning | HGX | Harris | 31 min |
| Jan 16, 7:40 AM CST | Tornado Warning | HGX | Harris, Montgomery | 35 min |
| Jan 16, 8:10 AM CST | Tornado Warning | HGX | Harris, Liberty, Montgomery | 35 min |
| Jan 16, 8:25 AM CST | Tornado Warning | HGX | Fort Bend, Harris, Waller | 35 min |
| Jan 16, 8:39 AM CST | Special Weather Statement | HGX | Montgomery | 36 min |
| Jan 16, 8:52 AM CST | Special Weather Statement | HGX | San Jacinto | 23 min |
| Jan 16, 8:55 AM CST | Special Weather Statement | HGX | Waller | 50 min |
| Jan 16, 9:02 AM CST | Tornado Warning | HGX | Montgomery | 28 min |
| Jan 16, 9:24 AM CST | Special Weather Statement | HGX | San Jacinto | 36 min |
| Jan 16, 9:42 AM CST | Special Weather Statement | HGX | Montgomery | 33 min |
| Jan 16, 10:06 AM CST | Special Weather Statement | HGX | San Jacinto | 39 min |
| Jan 16, 11:04 AM CST | Special Weather Statement | HGX | Polk | 26 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.