Alert archive / Texas / Tornado Warnings in 2008

Tornado Warning 18, NWS Austin/San Antonio, TX

May 14, 20084 counties in Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 14, 2008, 8:29 PM CDT for 4 counties in Texas. It was in force for 46 min. 2 reports 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 14, 2008, 8:29 PM CDT (01:29 UTC)
Expired: May 14, 2008, 9:15 PM CDT
In force: 46 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon

Counties Burnet County, TX, Llano County, TX, Travis County, TX, Williamson County, TX

The radar

The Ft Hood radar (KGRK), 73 km from the middle of the area, began a volume at 01:28 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 14, 9:00 PM CDT	HAIL 0.75	1 Wsw Leander, TX
May 14, 9:08 PM CDT	HIGH SUST WINDS 60	Lago Vista, TX	50 TO 60 MPH SUSTAINED

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 14, 3:50 PM CDT	Tornado Watch	SPC	7 hr
May 14, 7:50 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.5 hours before the alert went out and 263 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: 726 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 843 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 150130
TOREWX
TXC053-299-453-491-150215-
/O.NEW.KEWX.TO.W.0018.080515T0129Z-080515T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
829 PM CDT WED MAY 14 2008

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BURNET COUNTY...
  EXTREME SOUTHEASTERN LLANO COUNTY...
  NORTHWESTERN TRAVIS COUNTY...
  WESTERN WILLIAMSON COUNTY...

* UNTIL 915 PM CDT.

* AT 825 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MARBLE FALLS...
  MOVING EAST AT 19 MPH.

* THE TORNADO WILL BE NEAR...
  MARBLE FALLS BY 835 PM CDT...
  SMITHWICK AND SPICEWOOD BY 855 PM CDT...
  6 MILES NORTHWEST OF LAGO VISTA BY 915 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER
YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER
PROTECTION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING
FOR SOUTH CENTRAL TEXAS. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
200 AM CDT THURSDAY MORNING FOR SOUTH CENTRAL TEXAS.

LAT...LON 3068 9782 3037 9797 3044 9813 3051 9838
      3054 9842 3079 9832
TIME...MOT...LOC 0129Z 289DEG 17KT 3059 9829

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 7:21 PM CDT	Tornado Warning	EWX	Burnet, Llano	24 min
May 14, 7:28 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Frio, Zavala	62 min
May 14, 7:33 PM CDT	Severe Thunderstorm Warning	EWX	Frio	27 min
May 14, 7:47 PM CDT	Tornado Warning	EWX	Blanco, Burnet, Llano, Travis, Williamson	43 min
May 14, 8:16 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Williamson	59 min
May 14, 8:48 PM CDT	Areal Flood Advisory	EWX	Travis, Williamson	117 min
May 14, 9:02 PM CDT	Tornado Warning	EWX	Travis, Williamson	43 min
May 14, 9:07 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Zavala	53 min
May 14, 9:10 PM CDT	Severe Thunderstorm Warning	EWX	Williamson	50 min
May 14, 9:13 PM CDT	Severe Thunderstorm Warning	EWX	Llano	62 min
May 14, 9:27 PM CDT	Areal Flood Advisory	EWX	Burnet, Llano	2 hr
May 14, 9:42 PM CDT	Tornado Warning	EWX	Bastrop, Lee, Travis, Williamson	48 min
May 14, 9:50 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Llano, Travis, Williamson	40 min
May 14, 10:00 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr, Real	60 min
May 14, 10:31 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Lee, Travis, Williamson	44 min
May 14, 10:52 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Gillespie, Kendall, Kerr	53 min
May 14, 11:12 PM CDT	Severe Thunderstorm Warning	EWX	Lee	18 min
May 14, 11:58 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Blanco, Burnet, Hays, Travis, Williamson	47 min
May 15, 12:24 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	36 min
May 15, 12:36 AM CDT	Areal Flood Advisory	EWX	Travis, Williamson	114 min
May 15, 12:39 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Lee, Travis, Williamson	36 min
May 15, 1:16 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Fayette, Lee, Travis	34 min

Nearby

Tornado Warnings in Texas, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.