Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 48, NWS Austin/San Antonio, TX

October 30, 2015Caldwell County, Hays County, Travis County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Oct 30, 2015, 8:48 AM CDT for Caldwell County, Hays County, Travis County, Texas. It was in force for 27 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: Oct 30, 2015, 8:48 AM CDT (13:48 UTC)
Expired: Oct 30, 2015, 9:15 AM CDT
In force: 27 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Caldwell County, TX, Hays County, TX, Travis County, TX

The radar

The Austin/San Antonio radar (KEWX), 60 km from the middle of the area, began a volume at 13:47 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
Oct 30, 6:07 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 1.8 hours before the alert went out and 271 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: 1894 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 648 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

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

875 
WFUS54 KEWX 301348
TOREWX
TXC055-209-453-301415-
/O.NEW.KEWX.TO.W.0048.151030T1348Z-151030T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
848 AM CDT FRI OCT 30 2015

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHWESTERN CALDWELL COUNTY IN SOUTH CENTRAL TEXAS...
  EAST CENTRAL HAYS COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 915 AM CDT
    
* AT 847 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER MUSTANG RIDGE...OR 9 MILES SOUTHEAST OF
  TANGLEWOOD FOREST...MOVING NORTH AT 25 MPH.

  HAZARD...TORNADO AND QUARTER 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. 

* THIS DANGEROUS STORM WILL BE NEAR...
  AUSTIN AND BUDA AROUND 855 AM CDT.
  ONION CREEK AROUND 905 AM CDT.
  AUSTIN BERGSTROM INT AP...TANGLEWOOD FOREST AND SHADY HOLLOW AROUND
  910 AM CDT.
  WEST LAKE HILLS AND ROLLINGWOOD AROUND 915 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE DEL
VALLE...MAHA...PILOT KNOB...LOST CREEK...SUNSET VALLEY...MENDOZA...
CREEDMOOR...MANCHACA AND SAN LEANNA.

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 3033 9759 3010 9762 3007 9765 3005 9762
      2999 9763 2998 9783 3031 9790
TIME...MOT...LOC 1347Z 177DEG 20KT 3006 9774 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

1 follow-up statement

702 
WWUS54 KEWX 301407
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
907 AM CDT FRI OCT 30 2015

TXC055-209-453-301415-
/O.EXP.KEWX.TO.W.0048.000000T0000Z-151030T1415Z/
TRAVIS TX-CALDWELL TX-HAYS TX-
907 AM CDT FRI OCT 30 2015

...THE TORNADO WARNING FOR SOUTH CENTRAL TRAVIS...NORTHWESTERN
CALDWELL AND EAST CENTRAL HAYS COUNTIES WILL EXPIRE AT 915 AM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS LOST IT ROTATION
SIGNATURE...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

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

LAT...LON 3033 9759 3010 9762 3007 9765 3005 9762
      2999 9763 2998 9783 3031 9790
TIME...MOT...LOC 1405Z 177DEG 20KT 3006 9774 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 3:07 AM CDT	Special Weather Statement	EWX	Uvalde	38 min
Oct 30, 3:09 AM CDT	Tornado Warning	EWX	Zavala	23 min
Oct 30, 3:30 AM CDT	Special Weather Statement	EWX	Uvalde	45 min
Oct 30, 3:48 AM CDT	Special Weather Statement	EWX	Medina	42 min
Oct 30, 4:08 AM CDT	Special Weather Statement	EWX	Gillespie	52 min
Oct 30, 4:13 AM CDT	Tornado Warning	EWX	Medina	35 min
Oct 30, 4:24 AM CDT	Special Weather Statement	EWX	Hays	51 min
Oct 30, 4:39 AM CDT	Flash Flood Watch	EWX	Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 18 more	29 hr
Oct 30, 4:40 AM CDT	Special Weather Statement	EWX	Hays	50 min
Oct 30, 4:44 AM CDT	Severe Thunderstorm Warning	EWX	Bandera	18 min
Oct 30, 4:46 AM CDT	Flash Flood Warning	EWX	Bexar, Comal, Kendall	4 hr
Oct 30, 4:53 AM CDT	Areal Flood Advisory	EWX	Gillespie, Kerr	3 hr
Oct 30, 5:04 AM CDT	Flash Flood Warning	EWX	Blanco, Comal, Hays, Kendall	4 hr
Oct 30, 5:29 AM CDT	Special Weather Statement	EWX	Wilson	46 min
Oct 30, 5:31 AM CDT	Flash Flood Warning	EWX	Bexar, Guadalupe, Wilson	3 hr
Oct 30, 5:34 AM CDT	Tornado Warning	EWX	Bexar, Wilson	26 min
Oct 30, 5:41 AM CDT	Flash Flood Warning	EWX	Bandera, Medina, Uvalde	4 hr
Oct 30, 5:58 AM CDT	Tornado Warning	EWX	Bexar, Wilson	12 min
Oct 30, 6:00 AM CDT	Special Weather Statement	EWX	Blanco	45 min
Oct 30, 6:05 AM CDT	Flash Flood Warning	EWX	Blanco, Burnet, Llano, Travis, Williamson	3 hr
Oct 30, 6:13 AM CDT	Severe Thunderstorm Warning	EWX	Wilson	32 min
Oct 30, 6:22 AM CDT	Tornado Warning	EWX	Wilson	38 min
Oct 30, 6:36 AM CDT	Severe Thunderstorm Warning	EWX	Guadalupe	54 min
Oct 30, 6:51 AM CDT	Tornado Warning	EWX	Guadalupe	39 min
Oct 30, 6:54 AM CDT	Flash Flood Warning	EWX	Caldwell, Comal, Guadalupe, Hays, Travis	3 hr
Oct 30, 7:04 AM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal	41 min
Oct 30, 7:07 AM CDT	Severe Thunderstorm Warning	EWX	Comal, Guadalupe, Hays	83 min
Oct 30, 7:18 AM CDT	Tornado Warning	EWX	Comal, Guadalupe, Hays	27 min
Oct 30, 7:43 AM CDT	Tornado Warning Tornado observed	EWX	Caldwell, Guadalupe, Hays	26 min
Oct 30, 7:46 AM CDT	Areal Flood Advisory	EWX	Burnet, Llano, Travis, Williamson	3 hr
Oct 30, 7:51 AM CDT	River Flood Warning	EWX	Comal, Guadalupe	16 hr
Oct 30, 8:03 AM CDT	River Flood Warning	EWX	Comal, Gonzales, Guadalupe	20 hr
Oct 30, 8:03 AM CDT	River Flood Warning	EWX	Comal, Guadalupe	20 hr
Oct 30, 8:07 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Comal, Hays	53 min
Oct 30, 8:08 AM CDT	Severe Thunderstorm Warning	EWX	Comal, Hays	52 min
Oct 30, 8:21 AM CDT	Severe Thunderstorm Warning	EWX	Caldwell, Comal, Hays, Travis	54 min
Oct 30, 8:26 AM CDT	River Flood Warning	EWX	Hays	38 hr
Oct 30, 8:43 AM CDT	Flash Flood Warning Emergency	EWX	Bexar, Comal, Hays	8 hr
Oct 30, 8:48 AM CDT	River Flood Warning	EWX	Bexar	27 hr
Oct 30, 8:48 AM CDT	River Flood Warning	EWX	Bexar	46 hr
Oct 30, 8:48 AM CDT	River Flood Warning	EWX	Bexar	31 hr
Oct 30, 8:48 AM CDT	River Flood Warning	EWX	Bexar, Wilson	51 hr
Oct 30, 8:48 AM CDT	River Flood Warning	EWX	Karnes	4 days
Oct 30, 8:52 AM CDT	Flash Flood Warning	EWX	Bastrop, Caldwell, Guadalupe, Hays, Travis, Williamson	13 hr
Oct 30, 9:06 AM CDT	Flash Flood Warning	EWX	Blanco, Kendall	5 hr
Oct 30, 9:14 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Travis	61 min
Oct 30, 9:17 AM CDT	Tornado Warning	EWX	Travis	28 min
Oct 30, 9:29 AM CDT	River Flood Warning	EWX	Comal	18 hr
Oct 30, 9:29 AM CDT	River Flood Warning	EWX	Guadalupe	29 hr
Oct 30, 9:29 AM CDT	River Flood Warning	EWX	Caldwell, Gonzales	4 days
Oct 30, 9:29 AM CDT	River Flood Warning	EWX	Caldwell, Gonzales	50 hr
Oct 30, 9:29 AM CDT	River Flood Warning	EWX	Gonzales	4 days
Oct 30, 9:29 AM CDT	River Flood Warning	EWX	DeWitt	5 days
Oct 30, 9:45 AM CDT	River Flood Warning	EWX	Comal	16 hr
Oct 30, 9:48 AM CDT	Flash Flood Warning	EWX	Bastrop, Lee	13 hr
Oct 30, 9:53 AM CDT	Special Weather Statement	EWX	Blanco	52 min
Oct 30, 10:16 AM CDT	Flash Flood Warning Emergency	EWX	Travis	6 hr
Oct 30, 10:16 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Travis	29 min
Oct 30, 10:32 AM CDT	Tornado Warning	EWX	Bastrop, Travis	13 min
Oct 30, 10:40 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Lee, Travis	65 min
Oct 30, 10:41 AM CDT	River Flood Warning	EWX	Blanco	22 hr
Oct 30, 10:41 AM CDT	River Flood Warning	EWX	Travis	31 hr
Oct 30, 10:41 AM CDT	River Flood Warning	EWX	Travis	29 hr
Oct 30, 10:41 AM CDT	River Flood Warning	EWX	Bastrop	58 hr
Oct 30, 10:46 AM CDT	River Flood Warning	EWX	Bexar, Guadalupe	28 hr
Oct 30, 10:56 AM CDT	Special Weather Statement	EWX	Caldwell	49 min
Oct 30, 11:46 AM CDT	Special Weather Statement	EWX	Lee	44 min
Oct 30, 12:05 PM CDT	Severe Thunderstorm Warning	EWX	Lee	40 min
Oct 30, 12:21 PM CDT	Special Weather Statement	EWX	Williamson	39 min
Oct 30, 12:30 PM CDT	Flash Flood Warning Emergency	EWX	Caldwell, Guadalupe, Hays	3 hr
Oct 30, 1:50 PM CDT	Flash Flood Warning	EWX	Blanco, Burnet, Kendall, Llano	3 hr
Oct 30, 2:02 PM CDT	Special Weather Statement	EWX	Fayette	43 min
Oct 30, 2:17 PM CDT	River Flood Warning	EWX	Travis	16 hr
Oct 30, 3:18 PM CDT	River Flood Warning	EWX	Williamson	29 hr
Oct 30, 3:49 PM CDT	River Flood Warning	EWX	Karnes	4 days
Oct 30, 4:36 PM CDT	Special Weather Statement	EWX	Williamson	24 min
Oct 30, 6:10 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	65 min
Oct 30, 6:31 PM CDT	Special Weather Statement	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.