Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 113, NWS Austin/San Antonio, TX

May 9, 2005Llano County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 9, 2005, 3:57 PM CDT for Llano County, Texas. It was in force for 33 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 9, 2005, 3:57 PM CDT (20:57 UTC)
Expired: May 9, 2005, 4:30 PM CDT
In force: 33 min
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

County Llano County, TX

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 9, 3:25 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.0 hours before the alert went out and 256 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: 722 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 092057
SVREWX
TXC299-092130-
/O.NEW.KEWX.SV.W.0113.050509T2057Z-050509T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
357 PM CDT MON MAY 9 2005

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES...
  LLANO

* UNTIL 430 PM CDT

* AT 353 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DIME SIZE HAIL.  THIS
  STORM WAS LOCATED 5 MILES NORTHWEST OF CASTELL...AND MOVING EAST AT
  15 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

LAT...LON 3084 9887 3058 9884 3057 9847 3087 9849

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	EWX	Llano	65 min
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	EWX	Llano	65 min
May 8, 7:18 PM CDT	Severe Thunderstorm Warning	EWX	Burnet	57 min
May 8, 7:41 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	64 min
May 8, 8:15 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Llano	30 min
May 8, 8:44 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	31 min
May 8, 9:06 PM CDT	Severe Thunderstorm Warning	EWX	Kendall	39 min
May 9, 3:24 PM CDT	Severe Thunderstorm Warning	EWX	Llano	36 min
May 9, 3:57 PM CDT	Severe Thunderstorm Warning	EWX	Llano	33 min
May 9, 3:57 PM CDT	Severe Thunderstorm Warning	EWX	Llano	33 min
May 9, 4:45 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Llano	45 min
May 9, 5:27 PM CDT	Severe Thunderstorm Warning	EWX	Llano	48 min
May 9, 5:56 PM CDT	Flash Flood Warning	EWX	Llano	4 hr
May 9, 6:12 PM CDT	Severe Thunderstorm Warning	EWX	Llano	63 min
May 9, 6:40 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005 Every severe thunderstorm warning in 2005

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.