Alert archive / Texas / Tornado Warnings in 2009
Tornado Warning 17, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Jun 11, 2009, 7:43 PM CDT for Burnet County, Travis County, Williamson County, Texas. It was in force for 47 min. 5 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
- Jun 11, 2009, 7:43 PM CDT (00:43 UTC)
- Expired
- Jun 11, 2009, 8:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Burnet County, TX, Travis County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 44 km from the middle of the area, began a volume at 00:44 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 |
|---|---|---|---|
| Jun 11, 8:18 PM CDT | HAIL 0.75 | 7 Nw Georgetown, TX | INTERSECTION FM2338 & FM3405 |
| Jun 11, 8:21 PM CDT | HAIL 0.88 | Leander, TX | CRYSTAL FALLS AREA...DIME TO NICKLE SIZE HAIL |
| Jun 11, 8:24 PM CDT | HAIL 1.25 | 3 Ese Leander, TX | AVERAGE STONE SIZE DIME |
| Jun 11, 8:24 PM CDT | HAIL 1.75 | Cedar Park, TX | NEW HOPE AREA BETWEEN HWY 183 AND 183A |
| Jun 11, 8:35 PM CDT | HAIL 1 | Cedar Park, TX |
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 |
|---|---|---|---|
| Jun 11, 2:32 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 0.7 hours before the alert went out and 241 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.
- Mixed-layer CAPE
- 2849 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1048 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 8.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KEWX 120043 TOREWX TXC053-453-491-120130- /O.NEW.KEWX.TO.W.0017.090612T0043Z-090612T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 743 PM CDT THU JUN 11 2009 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL BURNET COUNTY... EXTREME NORTH CENTRAL TRAVIS COUNTY... WESTERN WILLIAMSON COUNTY... * UNTIL 830 PM CDT. * AT 741 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BERTRAM...MOVING SOUTHEAST AT 40 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE ANDICE...LIBERTY HILL... LEANDER...CEDAR PARK...SERENADA AND GEORGETOWN DAM. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN A MOBILE HOME OR VEHICLE...GET OUT AND GO TO A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS. && LAT...LON 3075 9760 3048 9785 3072 9812 3088 9802 TIME...MOT...LOC 0043Z 297DEG 34KT 3075 9796 $$
3 follow-up statements
000 WWUS54 KEWX 120054 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 754 PM CDT THU JUN 11 2009 TXC053-453-491-120130- /O.CON.KEWX.TO.W.0017.000000T0000Z-090612T0130Z/ BURNET TX-WILLIAMSON TX-TRAVIS TX- 754 PM CDT THU JUN 11 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR EXTREME NORTH CENTRAL TRAVIS...WESTERN WILLIAMSON AND EAST CENTRAL BURNET COUNTIES... AT 752 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. THIS TORNADO WAS LOCATED JUST NORTH OF LIBERTY HILL...MOVING SOUTHEAST AT 40 MPH. SOME LOCATIONS IN THE WARNING AREA INCLUDE LEANDER...CEDAR PARK AND GEORGETOWN DAM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS. && LAT...LON 3075 9760 3048 9785 3072 9812 3088 9802 TIME...MOT...LOC 0053Z 297DEG 34KT 3071 9786 $$
000 WWUS54 KEWX 120102 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 802 PM CDT THU JUN 11 2009 TXC053-120111- /O.CAN.KEWX.TO.W.0017.000000T0000Z-090612T0130Z/ BURNET TX- 802 PM CDT THU JUN 11 2009 ...THE TORNADO WARNING FOR EAST CENTRAL BURNET COUNTY IS CANCELLED... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS. THIS STORM REMAINS SEVERE OVER PARTS OF BURNET COUNTY...AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM. LAT...LON 3064 9801 3083 9789 3075 9760 3048 9785 TIME...MOT...LOC 0101Z 297DEG 32KT 3069 9781 $$ TXC453-491-120130- /O.CON.KEWX.TO.W.0017.000000T0000Z-090612T0130Z/ WILLIAMSON TX-TRAVIS TX- 802 PM CDT THU JUN 11 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR EXTREME NORTH CENTRAL TRAVIS AND WESTERN WILLIAMSON COUNTIES... AT 758 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR SEWARD JUNCTION...OR 9 MILES WEST OF SERENADA...MOVING SOUTHEAST AT 35 MPH. SOME LOCATIONS IN THE WARNING AREA INCLUDE LEANDER...CEDAR PARK AND GEORGETOWN DAM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS. && LAT...LON 3064 9801 3083 9789 3075 9760 3048 9785 TIME...MOT...LOC 0101Z 297DEG 32KT 3069 9781 $$
000 WWUS54 KEWX 120112 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 812 PM CDT THU JUN 11 2009 TXC453-491-120130- /O.CON.KEWX.TO.W.0017.000000T0000Z-090612T0130Z/ WILLIAMSON TX-TRAVIS TX- 812 PM CDT THU JUN 11 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR EXTREME NORTH CENTRAL TRAVIS AND WESTERN WILLIAMSON COUNTIES... AT 810 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR GEORGETOWN DAM...OR NEAR SERENADA... MOVING EAST AT 35 MPH. THE TORNADO SIGNATURE APPEARS TO BE TEMPORARILY WEAKENING...BUT A BRIEF TORNADO TOUCHDOWN WILL REMAIN POSSIBLE NEAR LAKE GEORGETOWN THROUGH 830 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS. && LAT...LON 3064 9801 3083 9789 3075 9760 3048 9785 TIME...MOT...LOC 0111Z 282DEG 28KT 3069 9777 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 7:25 PM CDT | Tornado Warning | EWX | Burnet | 35 min |
| Jun 11, 7:39 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Travis, Williamson | 66 min |
| Jun 11, 7:51 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 39 min |
| Jun 11, 8:08 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Hays, Travis, Williamson | 67 min |
| Jun 11, 8:09 PM CDT | Flash Flood Warning | EWX | Burnet, Llano, Williamson | 111 min |
| Jun 11, 8:27 PM CDT | Tornado Warning | EWX | Travis, Williamson | 33 min |
| Jun 11, 9:03 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jun 11, 9:08 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee, Travis, Williamson | 67 min |
| Jun 11, 9:36 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell, Comal, Guadalupe, Hays, Travis | 54 min |
| Jun 11, 9:58 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 51 min |
| Jun 11, 11:03 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano | 42 min |
Nearby
Tornado Warnings in Texas, 2009Every tornado warning in 2009Tornadoes in 2009
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.