Alert archive / Texas / Tornado Warnings in 2020

Tornado Warning 23, NWS Austin/San Antonio, TX

May 15, 2020Zavala County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 15, 2020, 9:12 PM CDT for Zavala County, Texas. It was in force for 18 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 15, 2020, 9:12 PM CDT (02:12 UTC)
Expired: May 15, 2020, 9:30 PM CDT
In force: 18 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 62 km from the middle of the area, began a volume at 02:13 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 15, 2:55 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.2 hours before the alert went out and 116 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: 4115 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1207 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

As transmitted.

869 
WFUS54 KEWX 160212
TOREWX
TXC507-160230-
/O.NEW.KEWX.TO.W.0023.200516T0212Z-200516T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
912 PM CDT Fri May 15 2020

The National Weather Service in Austin San Antonio has issued a

* Tornado Warning for...
  North central Zavala County in south central Texas...

* Until 930 PM CDT.
    
* At 912 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Batesville, moving north 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.

* Locations impacted include...
  Batesville.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2895 9983 2909 9981 2909 9954 2890 9963
TIME...MOT...LOC 0212Z 195DEG 28KT 2900 9971 

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

$$

BF

2 follow-up statements

324 
WWUS54 KEWX 160222
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
922 PM CDT Fri May 15 2020

TXC507-160230-
/O.CON.KEWX.TO.W.0023.000000T0000Z-200516T0230Z/
Zavala TX-
922 PM CDT Fri May 15 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR NORTH
CENTRAL ZAVALA COUNTY...
    
At 922 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Cometa, or 7 miles west of Crystal City, and is
nearly stationary.

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...
Batesville.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2895 9983 2909 9981 2909 9954 2890 9963
TIME...MOT...LOC 0222Z 195DEG 28KT 2866 9994 

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

$$

BF

611 
WWUS54 KEWX 160233
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
933 PM CDT Fri May 15 2020

TXC507-160243-
/O.EXP.KEWX.TO.W.0023.000000T0000Z-200516T0230Z/
Zavala TX-
933 PM CDT Fri May 15 2020

...THE TORNADO WARNING FOR NORTH CENTRAL ZAVALA COUNTY HAS EXPIRED...
                
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 allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central Texas.

LAT...LON 2895 9983 2909 9981 2909 9954 2890 9963
TIME...MOT...LOC 0233Z 195DEG 28KT 2873 9992 

$$

BF

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 7:23 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	52 min
May 15, 7:25 PM CDT	Special Weather Statement	EWX	Bastrop	35 min
May 15, 7:51 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr, Real	54 min
May 15, 7:56 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	64 min
May 15, 8:04 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick, Uvalde, Zavala	56 min
May 15, 8:05 PM CDT	Special Weather Statement	EWX	Travis	25 min
May 15, 8:06 PM CDT	Special Weather Statement	EWX	Comal	24 min
May 15, 8:13 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Kerr, Real, Uvalde	62 min
May 15, 8:27 PM CDT	Areal Flood Advisory	EWX	Bastrop, Travis	3 hr
May 15, 8:32 PM CDT	Special Weather Statement	EWX	Travis	43 min
May 15, 8:33 PM CDT	Special Weather Statement	EWX	Blanco	42 min
May 15, 8:53 PM CDT	Special Weather Statement	EWX	Blanco	52 min
May 15, 8:56 PM CDT	Severe Thunderstorm Warning	EWX	Frio, Medina, Uvalde, Zavala	64 min
May 15, 8:58 PM CDT	Areal Flood Advisory	EWX	Blanco, Comal, Hays, Kendall	4 hr
May 15, 9:04 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Maverick, Zavala	56 min
May 15, 9:09 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Kendall	66 min
May 15, 9:21 PM CDT	Areal Flood Advisory	EWX	Bandera, Kerr, Real	114 min
May 15, 9:29 PM CDT	Special Weather Statement	EWX	Travis	46 min
May 15, 9:32 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Kendall, Kerr	36 min
May 15, 9:34 PM CDT	Areal Flood Advisory	EWX	Travis	116 min
May 15, 9:45 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Travis	3 hr
May 15, 9:54 PM CDT	Areal Flood Advisory	EWX	Bandera, Blanco, Gillespie, Kendall, Kerr	3 hr
May 15, 9:54 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Frio, Medina, Zavala	66 min
May 15, 9:57 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Zavala	63 min
May 15, 9:59 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Kendall	14 min
May 15, 10:00 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Maverick	60 min
May 15, 10:13 PM CDT	Areal Flood Advisory	EWX	Zavala	2 hr
May 15, 10:31 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Blanco, Burnet, Comal, Guadalupe, Hays and 5 more	59 min
May 15, 10:39 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Kendall	3 hr
May 15, 10:53 PM CDT	Areal Flood Advisory	EWX	Bandera, Bexar, Comal, Guadalupe, Medina	3 hr
May 15, 10:55 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Frio, Karnes, Medina, Wilson	65 min
May 15, 10:56 PM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Llano	3 hr
May 15, 10:58 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	16 min
May 15, 11:28 PM CDT	Special Weather Statement	EWX	Bastrop, Caldwell, Guadalupe, Hays, Travis, Williamson	47 min
May 15, 11:31 PM CDT	Areal Flood Advisory	EWX	Atascosa, Frio	3 hr
May 15, 11:34 PM CDT	Areal Flood Advisory	EWX	Hays, Travis, Williamson	3 hr
May 15, 11:54 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, DeWitt, Gonzales, Karnes, Wilson	66 min
May 16, 12:08 AM CDT	Special Weather Statement	EWX	Bastrop, Caldwell, Gonzales, Guadalupe, Travis, Williamson	52 min
May 16, 12:27 AM CDT	Severe Thunderstorm Warning	EWX	DeWitt, Gonzales, Lavaca	63 min
May 16, 12:29 AM CDT	Areal Flood Advisory	EWX	Caldwell, DeWitt, Gonzales, Guadalupe, Karnes, Lavaca and 1 more	3 hr
May 16, 12:45 AM CDT	Special Weather Statement	EWX	Williamson	30 min
May 16, 12:56 AM CDT	Severe Thunderstorm Warning	EWX	DeWitt, Lavaca	46 min
May 16, 1:00 AM CDT	Areal Flood Advisory	EWX	Bastrop, Fayette, Lee	3 hr
May 16, 1:25 AM CDT	Special Weather Statement	EWX	Lavaca	50 min
May 16, 2:57 AM CDT	Areal Flood Advisory	EWX	Travis	3 hr

Nearby

Tornado Warnings in Texas, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.