Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 6, NWS Houston/Galveston, TX

January 16, 2017Harris County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jan 16, 2017, 7:14 AM CST for Harris County, Texas. It was in force for 31 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jan 16, 2017, 7:14 AM CST (13:14 UTC)
Expired
Jan 16, 2017, 7:45 AM CST
In force
31 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), 70 km from the middle of the area, began a volume at 13:14 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.

What was reported inside it

TimeReportWhereRemark
Jan 16, 7:31 AM CSTTORNADO3 N Jersey Village, TXTHREE HOMES DAMAGED BY EF0 TORNADO.
Jan 16, 7:35 AM CSTTSTM WND DMG3 Nne Jersey Village, TXBRICK FACADE DAMAGE ON BUILDING NEAR WINDFERN AND GESSNER. LARGE TREE LIMBS DOWN.
Jan 16, 7:45 AM CSTFUNNEL CLOUD8 Nne Jersey Village, TXTRAINED SPOTTER REPORTED A FUNNEL CLOUD NEAR CYPRESSWOOD DR AND CHAMPIONS FOREST DR
Jan 16, 7:45 AM CSTTSTM WND DMG8 Nne Jersey Village, TXAT CYPRESSWOOD AND CHAMPION FOREST... AN URGENT CARE HAS POWERLINES AND TREES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 2, 1:39 AM CSTSevere Thunderstorm WatchSPC59 days

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.2 hours before the alert went out and 231 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.

Skew-T log-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2017-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 423 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2017-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

339 
WFUS54 KHGX 161314
TORHGX
TXC201-161345-
/O.NEW.KHGX.TO.W.0006.170116T1314Z-170116T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
714 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 745 AM CST.

* At 713 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Jersey Village, moving northeast at 25 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

* Locations impacted include...
  Jersey Village, Greater Greenspoint, northwestern Addicks Park Ten,
  Spring, Willowbrook, Hooks Airport, Carverdale, western Bush
  Intercontinental Airport and Greater Inwood.

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 2981 9567 2988 9573 3014 9553 2998 9535
TIME...MOT...LOC 1313Z 225DEG 22KT 2989 9564 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

40
1 follow-up statement
264 
WWUS54 KHGX 161327
SVSHGX

Severe Weather Statement
National Weather Service Houston/Galveston TX
727 AM CST MON JAN 16 2017

TXC201-161345-
/O.CON.KHGX.TO.W.0006.000000T0000Z-170116T1345Z/
Harris TX-
727 AM CST MON JAN 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 AM CST FOR NORTH
CENTRAL HARRIS COUNTY...
    
At 727 AM CST, a severe thunderstorm capable of producing a tornado
was located over Jersey Village, 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, Greater Greenspoint, Spring, Willowbrook, Hooks
Airport, Carverdale, western Bush Intercontinental Airport and
Greater Inwood.

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 2986 9559 2993 9567 3014 9553 2998 9535
TIME...MOT...LOC 1327Z 226DEG 19KT 2993 9558 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

40

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 16, 3:41 AM CSTSpecial Weather StatementHGXMadison49 min
Jan 16, 3:51 AM CSTSpecial Weather StatementHGXGrimes54 min
Jan 16, 3:56 AM CSTSpecial Weather StatementHGXHouston34 min
Jan 16, 4:16 AM CSTSpecial Weather StatementHGXWharton44 min
Jan 16, 4:42 AM CSTTornado WarningHGXAustin, Colorado, Fort Bend, Wharton33 min
Jan 16, 4:44 AM CSTSpecial Weather StatementHGXGrimes46 min
Jan 16, 4:51 AM CSTAreal Flood AdvisoryHGXAustin, Colorado, Fort Bend, Wharton54 min
Jan 16, 5:16 AM CSTTornado WarningHGXAustin, Colorado, Fort Bend, Wharton29 min
Jan 16, 5:47 AM CSTTornado WarningHGXAustin, Fort Bend, Waller, Wharton28 min
Jan 16, 5:48 AM CSTAreal Flood AdvisoryHGXAustin, Colorado, Fort Bend, Waller, Wharton57 min
Jan 16, 6:12 AM CSTTornado WarningHGXAustin, Fort Bend, Harris, Waller33 min
Jan 16, 6:46 AM CSTTornado WarningHGXHarris29 min
Jan 16, 6:58 AM CSTAreal Flood AdvisoryHGXAustin, Fort Bend, Harris, Waller62 min
Jan 16, 7:40 AM CSTTornado WarningHGXHarris, Montgomery35 min
Jan 16, 8:10 AM CSTTornado WarningHGXHarris, Liberty, Montgomery35 min
Jan 16, 8:25 AM CSTTornado WarningHGXFort Bend, Harris, Waller35 min
Jan 16, 8:39 AM CSTSpecial Weather StatementHGXMontgomery36 min
Jan 16, 8:52 AM CSTSpecial Weather StatementHGXSan Jacinto23 min
Jan 16, 8:55 AM CSTSpecial Weather StatementHGXWaller50 min
Jan 16, 9:02 AM CSTTornado WarningHGXMontgomery28 min
Jan 16, 9:24 AM CSTSpecial Weather StatementHGXSan Jacinto36 min
Jan 16, 9:42 AM CSTSpecial Weather StatementHGXMontgomery33 min
Jan 16, 10:06 AM CSTSpecial Weather StatementHGXSan Jacinto39 min
Jan 16, 11:04 AM CSTSpecial Weather StatementHGXPolk26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.