Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 3, NWS Corpus Christi, TX

February 14, 2017Aransas County, Calhoun County, Refugio County, Texas

NWS Corpus Christi, TX issued this tornado warning at Feb 14, 2017, 7:48 AM CST for Aransas County, Calhoun County, Refugio County, Texas. It was in force for 27 min. 1 report 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, 7:48 AM CST (13:48 UTC)
Expired
Feb 14, 2017, 8:15 AM CST
In force
27 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Aransas County, TX, Calhoun County, TX, Refugio County, TX

The radar

The Corpus Christi radar (KCRP), 134 km from the middle of the area, began a volume at 13:48 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, 8:10 AM CSTMARINE TSTM WIND 521 Wsw Aransas Nwr, TXARANSAS WILDLIFE REFUGE RAWS MEASURED A GUST TO 45 KNOTS.

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, 1.8 hours before the alert went out and 126 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.

045 
WFUS54 KCRP 141348
TORCRP
TXC007-057-391-141415-
/O.NEW.KCRP.TO.W.0003.170214T1348Z-170214T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Corpus Christi TX
748 AM CST TUE FEB 14 2017

The National Weather Service in Corpus Christi has issued a

* Tornado Warning for...
  Calhoun County in south Texas...
  Northeastern Aransas County in south central Texas...
  Northeastern Refugio County in south central Texas...

* Until 815 AM CST

* At 746 AM CST, line of strong thunderstorms capable of producing 
  brief tornadoes was located along a line extending from near Green 
  Lake to 9 miles north of Holiday Beach, 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. 

* These dangerous storms will be near...
  Green Lake around 750 AM CST. 
  Port Lavaca, Aransas National Wildlife Refuge and Alamo Beach 
  around 800 AM CST. 
  Point Comfort around 805 AM CST. 
  Seadrift, Olivia and Long Mott around 810 AM CST. 
  Port Alto and Schicke Point around 815 AM CST. 

Other locations impacted by these tornadic storms include Austwell.

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 2855 9652 2845 9640 2840 9637 2824 9650
      2821 9709 2864 9680 2867 9663 2864 9661
      2868 9656 2871 9641 2868 9642 2867 9641
      2864 9642 2863 9639 2863 9636 2865 9636
      2867 9639 2867 9632 2864 9632
TIME...MOT...LOC 1346Z 250DEG 39KT 2861 9677 2830 9698 

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

$$

PZ

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 14, 6:15 AM CSTSpecial Weather StatementCRPBee, Goliad, Refugio45 min
Feb 14, 6:24 AM CSTTornado WarningCRPBee, Goliad, Refugio, San Patricio21 min
Feb 14, 6:33 AM CSTSevere Thunderstorm WarningCRPVictoria27 min
Feb 14, 6:48 AM CSTSpecial Marine WarningCRP117 min
Feb 14, 7:00 AM CSTTornado WarningCRPGoliad, Refugio, Victoria30 min
Feb 14, 7:29 AM CSTSpecial Weather StatementCRPAransas, Calhoun, Nueces, Refugio61 min
Feb 14, 8:12 AM CSTTornado WarningCRPAransas, Calhoun18 min
Feb 14, 8:42 AM CSTSpecial Marine WarningCRP93 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.