Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 7, NWS Austin/San Antonio, TX

May 13, 2015Blanco County, Hays County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 13, 2015, 10:32 AM CDT for Blanco County, Hays County, Texas. It was in force for 28 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 13, 2015, 10:32 AM CDT (15:32 UTC)
Expired: May 13, 2015, 11:00 AM CDT
In force: 28 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Blanco County, TX, Hays County, TX

The radar

The Austin/San Antonio radar (KEWX), 54 km from the middle of the area, began a volume at 15:32 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 13, 9:52 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 12:00Z, 3.5 hours before the alert went out and 274 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: 428 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 532 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 299 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

958 
WFUS54 KEWX 131532
TOREWX
TXC031-209-131600-
/O.NEW.KEWX.TO.W.0007.150513T1532Z-150513T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1032 AM CDT WED MAY 13 2015

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN HAYS COUNTY IN SOUTH CENTRAL TEXAS...
  SOUTHEASTERN BLANCO COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 1100 AM CDT
    
* AT 1031 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR PAYTON...OR NEAR BLANCO...MOVING EAST 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. 

* THIS DANGEROUS STORM WILL BE NEAR...
  PAYTON AROUND 1040 AM CDT.
  HENLY AROUND 1050 AM CDT.
  WIMBERLEY...DRIPPING SPRINGS...WOODCREEK AND DRIFTWOOD AROUND 1100
  AM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE MOUNT
GAINOR.

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.

THIS CLUSTER OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A BUILDING.

&&

LAT...LON 3025 9801 3003 9799 3004 9843 3021 9845
      3029 9807
TIME...MOT...LOC 1531Z 269DEG 25KT 3012 9837 

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

$$

ALLEN

3 follow-up statements

813 
WWUS54 KEWX 131537
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1037 AM CDT WED MAY 13 2015

TXC031-209-131600-
/O.CON.KEWX.TO.W.0007.000000T0000Z-150513T1600Z/
HAYS TX-BLANCO TX-
1037 AM CDT WED MAY 13 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR
NORTHWESTERN HAYS AND CENTRAL BLANCO COUNTIES...
    
AT 1037 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER PAYTON...OR 7 MILES NORTHEAST OF BLANCO...MOVING
EAST 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  HENLY AROUND 1050 AM CDT.
  DRIPPING SPRINGS AND DRIFTWOOD AROUND 1100 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE MOUNT
GAINOR.

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.

THIS CLUSTER OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A BUILDING.

&&

LAT...LON 3004 9799 3004 9838 3022 9839 3029 9807
      3025 9801
TIME...MOT...LOC 1537Z 263DEG 25KT 3015 9832 

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

$$

ALLEN

640 
WWUS54 KEWX 131550
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1050 AM CDT WED MAY 13 2015

TXC031-131600-
/O.CAN.KEWX.TO.W.0007.000000T0000Z-150513T1600Z/
BLANCO TX-
1050 AM CDT WED MAY 13 2015

...THE TORNADO WARNING FOR CENTRAL BLANCO COUNTY IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTH CENTRAL
TEXAS.

LAT...LON 3026 9804 3025 9802 3024 9801 3004 9799
      3004 9830 3026 9821 3029 9807
TIME...MOT...LOC 1550Z 268DEG 25KT 3016 9821 

$$

TXC209-131600-
/O.CON.KEWX.TO.W.0007.000000T0000Z-150513T1600Z/
HAYS TX-
1050 AM CDT WED MAY 13 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR
NORTHWESTERN HAYS COUNTY...
    
AT 1050 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HENLY...OR 7 MILES WEST OF DRIPPING SPRINGS...MOVING
EAST 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  DRIPPING SPRINGS AND DRIFTWOOD AROUND 1100 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE MOUNT
GAINOR.

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.

THIS CLUSTER OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A BUILDING.

&&

LAT...LON 3026 9804 3025 9802 3024 9801 3004 9799
      3004 9830 3026 9821 3029 9807
TIME...MOT...LOC 1550Z 268DEG 25KT 3016 9821 

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

$$

ALLEN

051 
WWUS54 KEWX 131557
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1057 AM CDT WED MAY 13 2015

TXC209-131607-
/O.EXP.KEWX.TO.W.0007.000000T0000Z-150513T1600Z/
HAYS TX-
1057 AM CDT WED MAY 13 2015

...THE TORNADO WARNING FOR NORTHWESTERN HAYS COUNTY WILL EXPIRE AT
1100 AM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTH CENTRAL
TEXAS.

LAT...LON 3026 9804 3025 9802 3024 9801 3004 9799
      3004 9830 3026 9821 3029 9807
TIME...MOT...LOC 1554Z 269DEG 25KT 3016 9821 

$$

ALLEN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 5:40 AM CDT	Areal Flood Advisory	EWX	Edwards, Kinney, Val Verde	3 hr
May 13, 5:55 AM CDT	Flash Flood Warning	EWX	Val Verde	3 hr
May 13, 7:05 AM CDT	Areal Flood Advisory	EWX	Maverick	3 hr
May 13, 7:35 AM CDT	Areal Flood Advisory	EWX	Edwards, Kinney, Real, Uvalde	3 hr
May 13, 7:39 AM CDT	Special Weather Statement	EWX	Dimmit, Maverick, Zavala	66 min
May 13, 7:42 AM CDT	Special Weather Statement	EWX	Real	63 min
May 13, 7:48 AM CDT	Special Weather Statement	EWX	Uvalde	57 min
May 13, 8:33 AM CDT	Special Weather Statement	EWX	Bandera, Kerr	57 min
May 13, 8:40 AM CDT	Special Weather Statement	EWX	Frio, Medina, Zavala	65 min
May 13, 8:48 AM CDT	Special Weather Statement	EWX	Bandera	27 min
May 13, 9:02 AM CDT	Areal Flood Advisory	EWX	Kinney, Val Verde	118 min
May 13, 9:22 AM CDT	Special Weather Statement	EWX	Bandera, Blanco, Gillespie, Kendall	53 min
May 13, 9:37 AM CDT	Special Weather Statement	EWX	Atascosa, Bexar, Frio	53 min
May 13, 9:46 AM CDT	Areal Flood Advisory	EWX	Bandera, Kerr, Medina, Uvalde	3 hr
May 13, 9:53 AM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Frio, Medina	52 min
May 13, 10:13 AM CDT	Special Weather Statement	EWX	Blanco, Burnet, Hays	62 min
May 13, 10:25 AM CDT	Special Weather Statement	EWX	Bexar, Comal, Guadalupe, Karnes, Wilson	65 min
May 13, 11:06 AM CDT	Special Weather Statement	EWX	Comal, Hays, Travis, Williamson	39 min
May 13, 11:42 AM CDT	Areal Flood Advisory	EWX	Atascosa, Karnes, Wilson	3 hr
May 13, 11:46 AM CDT	Special Weather Statement	EWX	Bastrop, Caldwell, Travis, Williamson	59 min
May 13, 12:21 PM CDT	Flash Flood Warning	EWX	Bastrop, Lee	6 hr
May 13, 12:30 PM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Caldwell, Comal, Guadalupe, Hays and 2 more	3 hr
May 13, 12:48 PM CDT	Special Weather Statement	EWX	Gonzales	42 min
May 13, 1:16 PM CDT	Flash Flood Warning	EWX	Atascosa, Karnes, Wilson	4 hr
May 13, 2:01 PM CDT	Areal Flood Advisory	EWX	Bandera, Bexar, Comal, Guadalupe, Kendall, Medina and 1 more	3 hr
May 13, 4:11 PM CDT	Areal Flood Advisory	EWX	DeWitt, Gonzales, Karnes, Lavaca, Wilson	2 hr
May 13, 4:35 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	40 min
May 13, 5:10 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	50 min
May 13, 5:46 PM CDT	Tornado Warning	EWX	Val Verde	29 min
May 13, 5:57 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	48 min
May 13, 6:16 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	44 min

Nearby

Tornado Warnings in Texas, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.