Alert archive / Texas / Tornado Warnings in 2018

Tornado Warning 9, NWS Corpus Christi, TX

July 6, 2018Bee County, Refugio County, Texas

NWS Corpus Christi, TX issued this tornado warning at Jul 6, 2018, 2:41 PM CDT for Bee County, Refugio County, Texas. It was in force for 34 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
Jul 6, 2018, 2:41 PM CDT (19:41 UTC)
Expired
Jul 6, 2018, 3:15 PM CDT
In force
34 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bee County, TX, Refugio County, TX

The radar

The Corpus Christi radar (KCRP), 57 km from the middle of the area, began a volume at 19:41 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 nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 7.7 hours before the alert went out and 62 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 2018-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1341 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 2018-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
1341 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

111 
WFUS54 KCRP 061941
TORCRP
TXC025-391-062015-
/O.NEW.KCRP.TO.W.0009.180706T1941Z-180706T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Corpus Christi TX
241 PM CDT FRI JUL 6 2018

The National Weather Service in Corpus Christi has issued a

* Tornado Warning for...
  West central Refugio County in south central Texas...
  Southeastern Bee County in south central Texas...

* Until 315 PM CDT.
    
* At 240 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Woodsboro, moving west at 25 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
  west central Refugio and southeastern Bee Counties.

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 2822 9728 2815 9745 2816 9746 2816 9747
      2818 9748 2816 9751 2839 9755 2840 9740
      2839 9740 2840 9739 2839 9738 2841 9735
      2841 9732
TIME...MOT...LOC 1940Z 078DEG 20KT 2830 9736 

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

$$

GW
2 follow-up statements
544 
WWUS54 KCRP 061954
SVSCRP

Severe Weather Statement
National Weather Service Corpus Christi TX
254 PM CDT FRI JUL 6 2018

TXC025-391-062015-
/O.CON.KCRP.TO.W.0009.000000T0000Z-180706T2015Z/
Refugio TX-Bee TX-
254 PM CDT FRI JUL 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR WEST
CENTRAL REFUGIO AND SOUTHEASTERN BEE COUNTIES...
    
At 253 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Woodsboro, moving west at 15 mph. This storm is 
still showing good rotation, and has produced funnel clouds earlier 
this afternoon. 

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...
Woodsboro.

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 2822 9728 2815 9745 2816 9746 2816 9747
      2818 9748 2816 9751 2839 9755 2840 9740
      2839 9740 2840 9739 2839 9738 2841 9735
      2841 9732
TIME...MOT...LOC 1953Z 084DEG 14KT 2830 9740 

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

$$

GW
968 
WWUS54 KCRP 062014
SVSCRP

Severe Weather Statement
National Weather Service Corpus Christi TX
314 PM CDT FRI JUL 6 2018

TXC025-391-062023-
/O.EXP.KCRP.TO.W.0009.000000T0000Z-180706T2015Z/
Refugio TX-Bee TX-
314 PM CDT FRI JUL 6 2018

...THE TORNADO WARNING FOR WEST CENTRAL REFUGIO AND SOUTHEASTERN BEE
COUNTIES WILL EXPIRE AT 315 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

LAT...LON 2822 9728 2815 9745 2816 9746 2816 9747
      2818 9748 2816 9751 2839 9755 2840 9740
      2839 9740 2840 9739 2839 9738 2841 9735
      2841 9732
TIME...MOT...LOC 2013Z 078DEG 20KT 2828 9751 

$$

GW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 1:36 PM CDTAreal Flood AdvisoryCRPAransas, Calhoun, Refugio114 min
Jul 6, 2:07 PM CDTSpecial Weather StatementCRPAransas, Nueces, Refugio, San Patricio53 min
Jul 6, 2:21 PM CDTSevere Thunderstorm WarningCRPNueces, Refugio, San Patricio39 min
Jul 6, 2:45 PM CDTAreal Flood AdvisoryCRPBee, Refugio, San Patricio2 hr
Jul 6, 3:13 PM CDTSpecial Weather StatementCRPBee47 min
Jul 6, 4:01 PM CDTSpecial Weather StatementCRPLive Oak59 min
Jul 6, 6:15 PM CDTSpecial Weather StatementCRPLa Salle45 min

Nearby

Tornado Warnings in Texas, 2018Every tornado warning in 2018Tornadoes in 2018

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.