Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 16, NWS Corpus Christi, TX

July 8, 2021Duval County, Texas

NWS Corpus Christi, TX issued this tornado warning at Jul 8, 2021, 6:12 PM CDT for Duval County, Texas. It was in force for 13 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 8, 2021, 6:12 PM CDT (23:12 UTC)
Expired: Jul 8, 2021, 6:25 PM CDT
In force: 13 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Duval County, TX

The radar

The Corpus Christi radar (KCRP), 93 km from the middle of the area, began a volume at 23:15 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 11.2 hours before the alert went out and 210 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1304 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

345 
WFUS54 KCRP 082312
TORCRP
TXC131-082345-
/O.NEW.KCRP.TO.W.0016.210708T2312Z-210708T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Corpus Christi TX
612 PM CDT Thu Jul 8 2021

The National Weather Service in Corpus Christi has issued a

* Tornado Warning for...
  Central Duval County in south central Texas...

* Until 645 PM CDT.
    
* At 611 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Benavides, moving northwest at 10 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...
  Benavides around 645 PM CDT.

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 2749 9835 2745 9843 2763 9857 2771 9840
TIME...MOT...LOC 2311Z 155DEG 7KT 2752 9840 

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

$$

PH

1 follow-up statement

852 
WWUS54 KCRP 082325
SVSCRP

Severe Weather Statement
National Weather Service Corpus Christi TX
625 PM CDT Thu Jul 8 2021

TXC131-082334-
/O.CAN.KCRP.TO.W.0016.000000T0000Z-210708T2345Z/
Duval TX-
625 PM CDT Thu Jul 8 2021

...THE TORNADO WARNING FOR CENTRAL DUVAL COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 2749 9835 2745 9843 2763 9857 2771 9840
TIME...MOT...LOC 2323Z 155DEG 7KT 2754 9841 

$$

PH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:31 PM CDT	Special Marine Warning	CRP		59 min
Jul 7, 10:15 PM CDT	Areal Flood Advisory	CRP	Kleberg, Nueces	3 hr
Jul 7, 10:40 PM CDT	Areal Flood Warning	CRP	Aransas, Calhoun, Refugio, Victoria	6 hr
Jul 7, 11:13 PM CDT	Areal Flood Advisory	CRP	Jim Wells, Nueces	3 hr
Jul 7, 11:24 PM CDT	Special Marine Warning	CRP		36 min
Jul 7, 11:29 PM CDT	Areal Flood Advisory	CRP	Kleberg, Nueces	3 hr
Jul 7, 11:52 PM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	5 hr
Jul 8, 12:39 AM CDT	Flash Flood Warning	CRP	Jim Wells, Nueces	4 hr
Jul 8, 1:02 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	3 hr
Jul 8, 2:26 AM CDT	Flash Flood Warning	CRP	Jim Wells	109 min
Jul 8, 2:41 AM CDT	Special Marine Warning	CRP		49 min
Jul 8, 3:11 AM CDT	Coastal Flood Advisory	CRP	Kleberg, Nueces	8 hr
Jul 8, 3:17 AM CDT	Small Craft Advisory	CRP		34 hr
Jul 8, 3:30 AM CDT	Special Marine Warning	CRP		60 min
Jul 8, 4:06 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces, San Patricio	3 hr
Jul 8, 4:16 AM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Refugio	7 hr
Jul 8, 4:28 AM CDT	Special Marine Warning	CRP		62 min
Jul 8, 5:36 AM CDT	Flash Flood Warning	CRP	Jim Wells, Nueces, San Patricio	4 hr
Jul 8, 6:28 AM CDT	Areal Flood Advisory	CRP	Aransas, Bee, Nueces, Refugio, San Patricio	88 min
Jul 8, 6:55 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces, San Patricio	112 min
Jul 8, 7:50 AM CDT	Flash Flood Warning	CRP	Bee, Live Oak, McMullen, San Patricio	2 hr
Jul 8, 7:56 AM CDT	Flash Flood Warning	CRP	Aransas, Bee, Nueces, Refugio, San Patricio	4 hr
Jul 8, 8:06 AM CDT	River Flood Warning	CRP	Nueces, San Patricio	49 hr
Jul 8, 8:11 AM CDT	River Flood Warning	CRP	Jim Wells, Nueces, San Patricio	55 hr
Jul 8, 8:25 AM CDT	River Flood Warning	CRP	Jim Wells	6 hr
Jul 8, 8:26 AM CDT	Flash Flood Warning	CRP	Bee, Calhoun, Goliad, Refugio, Victoria	3 hr
Jul 8, 8:47 AM CDT	Areal Flood Warning	CRP	Kleberg, Nueces, San Patricio	113 min
Jul 8, 9:18 AM CDT	Areal Flood Warning	CRP	Jim Wells, Live Oak, Nueces, San Patricio	83 min
Jul 8, 11:51 AM CDT	Areal Flood Advisory	CRP	Aransas, Bee, Calhoun, Nueces, Refugio, San Patricio and 1 more	3 hr
Jul 8, 2:08 PM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Refugio, Victoria	5 hr
Jul 8, 2:20 PM CDT	River Flood Warning	CRP	Victoria	48 hr
Jul 8, 2:28 PM CDT	Tornado Warning	CRP	Nueces	32 min
Jul 8, 3:15 PM CDT	Tornado Warning	CRP	Calhoun	15 min
Jul 8, 3:20 PM CDT	Areal Flood Warning	CRP	Aransas, Refugio, San Patricio	3 hr
Jul 8, 3:27 PM CDT	Areal Flood Advisory	CRP	Aransas, Bee, Jim Wells, Nueces, Refugio, San Patricio	3 hr
Jul 8, 3:59 PM CDT	Flash Flood Warning	CRP	Duval, Jim Wells, Kleberg, Nueces	2 hr
Jul 8, 4:07 PM CDT	Flash Flood Warning	CRP	Calhoun, Refugio, Victoria	3 hr
Jul 8, 4:11 PM CDT	Flash Flood Warning	CRP	Calhoun	3 hr
Jul 8, 4:36 PM CDT	Areal Flood Advisory	CRP	Calhoun, Goliad, Refugio, Victoria	3 hr
Jul 8, 5:09 PM CDT	Areal Flood Advisory	CRP	Bee, Live Oak, San Patricio	111 min
Jul 8, 5:22 PM CDT	Tornado Warning	CRP	Calhoun	12 min
Jul 8, 5:52 PM CDT	Flash Flood Warning	CRP	Bee, Live Oak, Nueces, San Patricio	3 hr
Jul 8, 6:35 PM CDT	Flash Flood Warning	CRP	Bee, Live Oak	2 hr
Jul 8, 6:47 PM CDT	Flash Flood Warning	CRP	Jim Wells, Kleberg, Nueces	118 min

Nearby

Tornado Warnings in Texas, 2021 Every tornado warning in 2021 Tornadoes in 2021

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.