Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 15, NWS Houston/Galveston, TX

February 14, 20174 counties in Texas

NWS Houston/Galveston, TX issued this tornado warning at Feb 14, 2017, 7:29 AM CST for 4 counties in Texas. It was in force for 31 min. 5 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
Feb 14, 2017, 7:29 AM CST (13:29 UTC)
Expired
Feb 14, 2017, 8:00 AM CST
In force
31 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Brazoria County, TX, Fort Bend County, TX, Matagorda County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 103 km from the middle of the area, began a volume at 13:31 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
Feb 14, 7:35 AM CSTTSTM WND DMG1 Wnw El Campo, TXTRAINED SPOTTER REPORTS POWER LINES DOWN ON W NORRIS AT W LOOP IN EL CAMPO
Feb 14, 7:40 AM CSTTORNADO1 Ene Wharton, TXEF-0 FROM 740 AM TO 745 AM. ESTIMATED PEAK WIND 75 MPH. PATH LENGTH APPROXIMATELY 1 MILE AND PATH WIDTH APPROXIMATELY 200 YARDS FROM NEAR NORTH RICHMOND ROAD TO COUNTY ROAD 135 IN WHARTON.
Feb 14, 8:00 AM CSTTSTM WND DMG1 Ene Wharton, TXPUBLIC REPORTS DEBRIS AT BUSINESS 59 AT E BOLING HWY IN WHARTON
Feb 14, 8:00 AM CSTTORNADO1 Ene Wharton, TXDEBRIS AT BUSINESS 59 AT E BOLING HWY IN WHARTON. NWS STORM SURVEY DETERMINED EF-0 DAMAGE MIXED WITH MICROBURST WINDS.
Feb 14, 8:00 AM CSTTORNADO1 Ene Wharton, TXDEBRIS AT BUSINESS 59 AT E BOLING HWY IN WHARTON. NWS STORM SURVEY DETERMINED EF-0 DAMAGE MIXED WITH MICROBURTS WINDS.

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
Feb 14, 5:09 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 1.5 hours before the alert went out and 209 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, Corpus Christi, TX at 12:00Z on 2017-02-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1811 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, Corpus Christi, TX at 12:00Z on 2017-02-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 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
1811 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
495 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
308 m²/s²
Significant tornado parameter
2.2
Supercell composite
16.1

Open this sounding in Storm Lab

The text

As transmitted.

902 
WFUS54 KHGX 141329
TORHGX
TXC039-157-321-481-141400-
/O.NEW.KHGX.TO.W.0015.170214T1329Z-170214T1400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
729 AM CST TUE FEB 14 2017

The National Weather Service in League City has issued a

* Tornado Warning for...
  East central Wharton County in southeastern Texas...
  North central Matagorda County in southeastern Texas...
  West central Brazoria County in southeastern Texas...
  Southwestern Fort Bend County in southeastern Texas...

* Until 800 AM CST.

* At 728 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Pierce, or near Wharton, moving east at 45 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...
  El Campo, Wharton, Needville, Pleak, Kendleton, Pierce, Boling-Iago
  and Hungerford.

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 2919 9634 2935 9633 2951 9581 2913 9579
TIME...MOT...LOC 1328Z 248DEG 40KT 2929 9621 

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

$$

Huffman
1 follow-up statement
353 
WWUS54 KHGX 141351
SVSHGX

Severe Weather Statement
National Weather Service Houston/Galveston TX
751 AM CST TUE FEB 14 2017

TXC039-157-321-481-141400-
/O.CON.KHGX.TO.W.0015.000000T0000Z-170214T1400Z/
Wharton TX-Matagorda TX-Brazoria TX-Fort Bend TX-
751 AM CST TUE FEB 14 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM CST FOR EAST
CENTRAL WHARTON...NORTH CENTRAL MATAGORDA...WEST CENTRAL BRAZORIA AND
SOUTHWESTERN FORT BEND COUNTIES...
    
At 751 AM CST, a severe thunderstorm capable of producing a tornado
was located near Wharton, moving east at 30 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 dangerous storm will be near...
  Boling-Iago around 755 AM CST. 
  Needville and Kendleton around 800 AM CST. 

Other locations impacted by this tornadic thunderstorm include
Hungerford.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 2919 9634 2935 9633 2951 9581 2913 9579
TIME...MOT...LOC 1351Z 253DEG 28KT 2935 9602 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 13, 9:35 PM CSTMarine Dense Fog AdvisoryHGX6 hr
Feb 14, 3:47 AM CSTSmall Craft AdvisoryHGX12 hr
Feb 14, 5:55 AM CSTSpecial Weather StatementHGXAustin, Colorado50 min
Feb 14, 6:28 AM CSTSevere Thunderstorm WarningHGXColorado, Jackson, Matagorda, Wharton62 min
Feb 14, 6:42 AM CSTSevere Thunderstorm WarningHGXAustin, Brazos, Burleson, Colorado, Grimes, Waller and 1 more48 min
Feb 14, 6:45 AM CSTTornado WarningHGXColorado, Jackson, Wharton45 min
Feb 14, 6:56 AM CSTAreal Flood AdvisoryHGXColorado, Jackson, Wharton3 hr
Feb 14, 7:25 AM CSTSevere Thunderstorm WarningHGXAustin, Brazoria, Colorado, Fort Bend, Jackson, Matagorda and 1 more65 min
Feb 14, 7:28 AM CSTSpecial Weather StatementHGXGrimes, Montgomery, Waller62 min
Feb 14, 7:31 AM CSTAreal Flood AdvisoryHGXAustin, Colorado, Fort Bend, Jackson, Wharton3 hr
Feb 14, 7:39 AM CSTTornado WarningHGXAustin, Fort Bend, Wharton36 min
Feb 14, 7:55 AM CSTTornado WarningHGXBrazoria, Fort Bend, Harris, Wharton50 min
Feb 14, 7:59 AM CSTSpecial Marine WarningHGX2 hr
Feb 14, 8:16 AM CSTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Harris, Montgomery, Walker44 min
Feb 14, 8:21 AM CSTSevere Thunderstorm WarningHGXHarris, Houston, Liberty, Madison, Montgomery, Polk and 3 more54 min
Feb 14, 8:30 AM CSTAreal Flood AdvisoryHGXAustin, Brazoria, Colorado, Fort Bend, Galveston, Harris and 3 more2 hr
Feb 14, 8:35 AM CSTSpecial Marine WarningHGX115 min
Feb 14, 8:37 AM CSTTornado WarningHGXBrazoria, Fort Bend, Galveston, Harris38 min
Feb 14, 8:42 AM CSTTornado WarningHGXBrazoria, Galveston, Matagorda33 min
Feb 14, 8:45 AM CSTSevere Thunderstorm WarningHGXBrazoria, Galveston, Matagorda30 min
Feb 14, 8:56 AM CSTSevere Thunderstorm WarningHGXBrazoria, Chambers, Galveston, Harris, Liberty, Montgomery and 1 more64 min
Feb 14, 8:58 AM CSTSevere Thunderstorm WarningHGXHouston, Liberty, Montgomery, Polk, San Jacinto, Trinity47 min
Feb 14, 9:09 AM CSTTornado WarningHGXChambers, Harris, Liberty30 min
Feb 14, 9:13 AM CSTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Harris32 min
Feb 14, 9:21 AM CSTSevere Thunderstorm WarningHGXBrazoria, Galveston, Matagorda39 min
Feb 14, 9:24 AM CSTTornado WarningHGXBrazoria36 min
Feb 14, 9:35 AM CSTAreal Flood AdvisoryHGXHarris, Liberty115 min
Feb 14, 9:43 AM CSTSevere Thunderstorm WarningHGXLiberty, Polk47 min
Feb 14, 9:56 AM CSTTornado WarningHGXBrazoria, Galveston34 min
Feb 14, 9:57 AM CSTSevere Thunderstorm WarningHGXChambers, Galveston, Harris, Liberty, Polk63 min
Feb 14, 10:22 AM CSTSevere Thunderstorm WarningHGXChambers, Galveston53 min
Feb 14, 10:28 AM CSTSpecial Marine WarningHGX2 hr
Feb 14, 3:51 PM CSTSmall Craft AdvisoryHGX20 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.