Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Corpus Christi, TX

May 19, 20214 counties in Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 19, 2021, 6:41 AM CDT for 4 counties in Texas. It was in force for 22 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: May 19, 2021, 6:41 AM CDT (11:41 UTC)
Expired: May 19, 2021, 7:03 AM CDT
In force: 22 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bee County, TX, Jim Wells County, TX, Live Oak County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 43 km from the middle of the area, began a volume at 11:44 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 19, 5:24 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 11.7 hours before the alert went out and 59 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: 2386 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 721 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

As transmitted.

829 
WUUS54 KCRP 191141
SVRCRP
TXC025-249-297-409-191230-
/O.NEW.KCRP.SV.W.0039.210519T1141Z-210519T1230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Corpus Christi TX
641 AM CDT Wed May 19 2021

The National Weather Service in Corpus Christi has issued a

* Severe Thunderstorm Warning for...
  Northwestern San Patricio County in south central Texas...
  Northeastern Jim Wells County in south central Texas...
  Southeastern Live Oak County in south central Texas...
  South central Bee County in south central Texas...

* Until 730 AM CDT.

* At 640 AM CDT, a severe thunderstorm was located near Mathis,
  moving northwest at 15 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Sandia around 650 AM CDT.
  Mathis around 655 AM CDT.
  Lake City around 700 AM CDT.
  Argenta around 710 AM CDT.
  Lagarto around 720 AM CDT.
  Mount Lucas and Dinero around 730 AM CDT.

Other locations impacted by this severe thunderstorm include Lake
Corpus Christi, Pernitas Point and Lakeside.

This includes Interstate 37 between mile markers 28 and 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2797 9781 2798 9780 2799 9780 2798 9782
      2814 9811 2832 9789 2813 9772 2804 9769
      2796 9780
TIME...MOT...LOC 1140Z 135DEG 13KT 2805 9780 

HAIL...0.75IN
WIND...60MPH
 
$$

JCP

2 follow-up statements

041 
WWUS54 KCRP 191156
SVSCRP

Severe Weather Statement
National Weather Service Corpus Christi TX
656 AM CDT Wed May 19 2021

TXC025-297-191205-
/O.CAN.KCRP.SV.W.0039.000000T0000Z-210519T1230Z/
Live Oak TX-Bee TX-
656 AM CDT Wed May 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LIVE OAK AND
SOUTH CENTRAL BEE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 PM CDT for
south central Texas.

LAT...LON 2797 9781 2798 9780 2799 9780 2798 9782
      2802 9789 2817 9781 2816 9775 2813 9772
      2804 9769 2796 9780
TIME...MOT...LOC 1155Z 135DEG 13KT 2809 9784 

$$

TXC249-409-191230-
/O.CON.KCRP.SV.W.0039.000000T0000Z-210519T1230Z/
San Patricio TX-Jim Wells TX-
656 AM CDT Wed May 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR NORTHWESTERN SAN PATRICIO AND NORTHEASTERN JIM WELLS COUNTIES...

At 655 AM CDT, a severe thunderstorm was located over Mathis, moving
northwest at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
northwestern San Patricio and northeastern Jim Wells Counties.

This includes Interstate 37 between mile markers 28 and 37.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2797 9781 2798 9780 2799 9780 2798 9782
      2802 9789 2817 9781 2816 9775 2813 9772
      2804 9769 2796 9780
TIME...MOT...LOC 1155Z 135DEG 13KT 2809 9784 

HAIL...<.75IN
WIND...60MPH
 
$$

JCP

233 
WWUS54 KCRP 191203
SVSCRP

Severe Weather Statement
National Weather Service Corpus Christi TX
703 AM CDT Wed May 19 2021

TXC249-409-191212-
/O.CAN.KCRP.SV.W.0039.000000T0000Z-210519T1230Z/
San Patricio TX-Jim Wells TX-
703 AM CDT Wed May 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SAN PATRICIO AND
NORTHEASTERN JIM WELLS COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds are 
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 100 PM CDT for
south central Texas.

LAT...LON 2797 9781 2798 9780 2799 9780 2798 9782
      2802 9789 2817 9781 2816 9775 2813 9772
      2804 9769 2796 9780
TIME...MOT...LOC 1200Z 135DEG 13KT 2811 9786 

$$

JCP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 7:49 PM CDT	Special Weather Statement	CRP	Live Oak	41 min
May 18, 8:33 PM CDT	Areal Flood Advisory	CRP	La Salle, McMullen	117 min
May 18, 8:42 PM CDT	Areal Flood Advisory	CRP	Victoria	2 hr
May 18, 9:10 PM CDT	Flash Flood Warning	CRP	Victoria	3 hr
May 18, 9:38 PM CDT	Special Weather Statement	CRP	Webb	52 min
May 18, 9:54 PM CDT	Special Weather Statement	CRP	Goliad	51 min
May 18, 10:35 PM CDT	Areal Flood Advisory	CRP	La Salle, Webb	3 hr
May 18, 10:57 PM CDT	Flash Flood Warning	CRP	Victoria	2 hr
May 18, 11:16 PM CDT	Severe Thunderstorm Warning	CRP	Webb	44 min
May 18, 11:49 PM CDT	Flash Flood Warning	CRP	Calhoun, Victoria	3 hr
May 19, 12:08 AM CDT	Special Weather Statement	CRP	Calhoun	37 min
May 19, 12:12 AM CDT	River Flood Warning	CRP	Victoria	36 hr
May 19, 12:12 AM CDT	Special Weather Statement	CRP	McMullen	33 min
May 19, 12:17 AM CDT	Severe Thunderstorm Warning	CRP	Calhoun, Refugio, Victoria	43 min
May 19, 12:29 AM CDT	Severe Thunderstorm Warning	CRP	Duval, McMullen	46 min
May 19, 12:58 AM CDT	Severe Thunderstorm Warning	CRP	Bee, Duval, Jim Wells, Live Oak, McMullen, San Patricio	47 min
May 19, 1:35 AM CDT	Flash Flood Warning	CRP	Calhoun, Victoria	115 min
May 19, 2:15 AM CDT	Special Weather Statement	CRP	Goliad	30 min
May 19, 2:49 AM CDT	Special Weather Statement	CRP	Refugio, Victoria	26 min
May 19, 2:51 AM CDT	Flash Flood Warning	CRP	Refugio, Victoria	3 hr
May 19, 3:14 AM CDT	Special Weather Statement	CRP	Victoria	31 min
May 19, 3:48 AM CDT	Flash Flood Warning	CRP	Calhoun, Victoria	3 hr
May 19, 4:07 AM CDT	Coastal Flood Advisory	CRP	Aransas, Calhoun, Kleberg, Nueces	18 hr
May 19, 4:18 AM CDT	Flash Flood Warning	CRP	Goliad, Refugio, Victoria	3 hr
May 19, 5:42 AM CDT	Flash Flood Warning	CRP	Refugio, Victoria	2 hr
May 19, 6:40 AM CDT	Special Weather Statement	CRP	Kleberg	50 min
May 19, 6:53 AM CDT	Special Weather Statement	CRP	Webb	52 min
May 19, 7:00 AM CDT	Special Weather Statement	CRP	San Patricio	45 min
May 19, 7:09 AM CDT	Flash Flood Warning	CRP	Jim Wells, Nueces, San Patricio	6 hr
May 19, 7:17 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	6 hr
May 19, 7:30 AM CDT	Areal Flood Advisory	CRP	Webb	3 hr
May 19, 7:42 AM CDT	Special Weather Statement	CRP	Duval	33 min
May 19, 7:58 AM CDT	Flash Flood Warning	CRP	San Patricio	6 hr
May 19, 8:16 AM CDT	Special Weather Statement	CRP	Kleberg	44 min
May 19, 8:46 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	4 hr
May 19, 8:58 AM CDT	Special Weather Statement	CRP	Jim Wells	47 min
May 19, 9:15 AM CDT	Areal Flood Advisory	CRP	Duval, Jim Wells, Kleberg, Nueces, Webb	3 hr
May 19, 9:19 AM CDT	Special Marine Warning	CRP		26 min
May 19, 9:21 AM CDT	River Flood Warning	CRP	Nueces, San Patricio	11 hr
May 19, 9:32 AM CDT	River Flood Warning	CRP	Jim Wells, Nueces, San Patricio	11 hr
May 19, 9:35 AM CDT	Special Marine Warning	CRP		25 min
May 19, 9:38 AM CDT	Special Marine Warning	CRP		52 min
May 19, 9:39 AM CDT	River Flood Warning	CRP	Aransas, Refugio	6 days
May 19, 9:43 AM CDT	Special Weather Statement	CRP	Kleberg, Nueces	47 min
May 19, 9:55 AM CDT	Flash Flood Warning	CRP	Aransas, San Patricio	3 hr
May 19, 10:25 AM CDT	Special Marine Warning	CRP		50 min
May 19, 11:08 AM CDT	Special Marine Warning	CRP		52 min
May 19, 11:46 AM CDT	Special Marine Warning	CRP		44 min
May 19, 12:36 PM CDT	Areal Flood Advisory	CRP	Aransas, Calhoun, Goliad, Refugio, Victoria	20 min
May 19, 12:54 PM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Goliad, Refugio, Victoria	3 hr
May 19, 1:57 PM CDT	Areal Flood Warning	CRP	Jim Wells, Kleberg, Nueces, San Patricio	3 hr
May 19, 2:04 PM CDT	Areal Flood Warning	CRP	Aransas, Bee, Jim Wells, Live Oak, Nueces, Refugio and 1 more	3 hr
May 19, 4:10 PM CDT	Areal Flood Warning	CRP	Aransas, Calhoun, Goliad, Refugio, Victoria	31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning 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.