Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 6, NWS Austin/San Antonio, TX

May 23, 2016Val Verde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 23, 2016, 7:35 PM CDT for Val Verde County, Texas. It was in force for 40 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: May 23, 2016, 7:35 PM CDT (00:35 UTC)
Expired: May 23, 2016, 8:15 PM CDT
In force: 40 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 3.0 in

County Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 151 km from the middle of the area, began a volume at 00:39 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

Time	Report	Where	Remark
May 23, 8:05 PM CDT	HAIL 1.75	11 S Pandale, TX	HAIL BEGAN AROUND 805PM AND LASTED THROUGH 830PM. HAIL RANGED IN SIZE...WITH LARGEST BEING GOLF BALL SIZED.

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.

Issued	Product	Office	Lasted
May 23, 2:32 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 0.6 hours before the alert went out and 98 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: 2958 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1014 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

As transmitted.

610 
WFUS54 KEWX 240035
TOREWX
TXC465-240115-
/O.NEW.KEWX.TO.W.0006.160524T0035Z-160524T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
735 PM CDT MON MAY 23 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL VAL VERDE COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 815 PM CDT
    
* AT 734 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED 8 MILES NORTHWEST OF PUMPVILLE...OR 16 MILES EAST OF
  DRYDEN...MOVING SOUTHEAST AT 20 MPH.

  HAZARD...TORNADO AND HAIL UP TO THREE INCHES IN DIAMETER. 

  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...
  OSMAN AND PUMPVILLE. 

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 3017 10176 2998 10141 2976 10165 2977 10166
      2976 10168 2977 10169 2976 10171 2978 10172
      2977 10174 2978 10176
TIME...MOT...LOC 0034Z 320DEG 18KT 3004 10183 

TORNADO...RADAR INDICATED
HAIL...3.00IN

$$

RUNYEN

1 follow-up statement

761 
WWUS54 KEWX 240051
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
751 PM CDT MON MAY 23 2016

TXC465-240115-
/O.CON.KEWX.TO.W.0006.000000T0000Z-160524T0115Z/
VAL VERDE TX-
751 PM CDT MON MAY 23 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR WEST
CENTRAL VAL VERDE COUNTY...
    
AT 751 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR PUMPVILLE...OR 17 MILES NORTHWEST OF LANGTRY...MOVING
SOUTHEAST AT 20 MPH.

HAZARD...TORNADO AND BASEBALL SIZE HAIL. 

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...
OSMAN AND PUMPVILLE. 

LAT...LON 3017 10176 2998 10141 2976 10165 2977 10166
      2976 10168 2977 10169 2976 10171 2978 10172
      2977 10174 2978 10176
TIME...MOT...LOC 0051Z 307DEG 15KT 3002 10176 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

RUNYEN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 7:07 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	53 min
May 23, 8:14 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	46 min

Nearby

Tornado Warnings in Texas, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.