Alert archive / Texas / Tornado Warnings in 2009
Tornado Warning 19, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Jun 12, 2009, 7:51 PM CDT for Llano County, Texas. It was in force for 54 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
- Jun 12, 2009, 7:51 PM CDT (00:51 UTC)
- Expired
- Jun 12, 2009, 8:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Llano County, TX
The radar
The Ft Hood radar (KGRK), 144 km from the middle of the area, began a volume at 00:55 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 |
|---|---|---|---|
| Jun 12, 7:13 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.9 hours before the alert went out and 249 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
- 2576 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 2168 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KEWX 130051
TOREWX
TXC299-130145-
/O.NEW.KEWX.TO.W.0019.090613T0051Z-090613T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
751 PM CDT FRI JUN 12 2009
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN LLANO COUNTY...
* UNTIL 845 PM CDT.
* AT 750 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FIELD CREEK...OR
ABOUT 18 MILES NORTHEAST OF MASON...MOVING SOUTHEAST AT 10 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE VALLEY SPRING AND CASTELL.
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 MIDNIGHT CDT SATURDAY MORNING
FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 3093 9886 3074 9868 3059 9897 3092 9897
3094 9896
TIME...MOT...LOC 0051Z 325DEG 11KT 3093 9902
$$4 follow-up statements
000
WWUS54 KEWX 130057
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
757 PM CDT FRI JUN 12 2009
TXC299-130145-
/O.CON.KEWX.TO.W.0019.000000T0000Z-090613T0145Z/
LLANO TX-
757 PM CDT FRI JUN 12 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHWESTERN LLANO COUNTY...
AT 754 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO.
THIS TORNADO WAS LOCATED JUST SOUTHWEST OF PONTOTOC...OR 17 MILES
NORTHEAST OF MASON...MOVING SOUTHEAST AT 15 MPH.
THIS STORM WILL APPROACH THE COMMUNITY OF CASTELL BY 810 PM. VERY
LARGE HAIL UP TO BASEBALL SIZE AND DAMAGING WINDS IN EXCESS OF 70
MPH WILL ALSO BE POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A VEHICLE IS EASILY ROLLED AND CRUSHED BY A TORNADO. DO NOT TRY TO
OUTRUN ONE. IF NO STRONG BUILDING IS CLOSE...LEAVE YOUR VEHICLE AND
TAKE SHELTER IN A DITCH OR LOW SPOT. COVER YOUR HEAD.
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 3093 9886 3074 9868 3059 9897 3092 9897
3094 9896
TIME...MOT...LOC 0056Z 321DEG 12KT 3090 9901
$$000
WWUS54 KEWX 130122
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
822 PM CDT FRI JUN 12 2009
TXC299-130145-
/O.CON.KEWX.TO.W.0019.000000T0000Z-090613T0145Z/
LLANO TX-
822 PM CDT FRI JUN 12 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHWESTERN LLANO COUNTY...
AT 816 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO.
THIS TORNADO WAS LOCATED 3 MILES SOUTHWEST OF PONTOTOC...OR 15 MILES
NORTHEAST OF MASON...MOVING SOUTHEAST AT 10 MPH.
THIS TORNADO CONTINUES TO MOVE SLOWLY TOWARD THE MASON-LLANO COUNTY
LINE AT HIGHWAY 29...POSSIBLY REACHING THE COMMUNITY OF CASTELL BY
845 PM. STRONG THUNDERSTORM WINDS OVER 60 MPH AND LARGE HAIL UP TO
GOLF BALL SIZE CAN ALSO BE EXPECTED OVER NORTHWESTERN PARTS OF LLANO
COUNTY THROUGH 845 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 3093 9886 3074 9868 3059 9897 3092 9897
3094 9896
TIME...MOT...LOC 0117Z 332DEG 11KT 3087 9903
$$000
WWUS54 KEWX 130137
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
837 PM CDT FRI JUN 12 2009
TXC299-130145-
/O.CON.KEWX.TO.W.0019.000000T0000Z-090613T0145Z/
LLANO TX-
837 PM CDT FRI JUN 12 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHWESTERN LLANO COUNTY...
AT 835 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT SIGNS THAT A
TORNADO COULD FORM AT ANY TIME. THIS TORNADO WAS LOCATED 7 MILES
SOUTHWEST OF FIELD CREEK...OR 14 MILES EAST OF MASON...MOVING
SOUTHEAST AT 15 MPH.
THIS ROTATION WILL AFFECT CASTELL BY 845 PM. LARGE HAIL AND DAMAGING
WINDS REMAINS POSSIBLE OVER THE NORTHWEST PART OF LLANO COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 3093 9886 3074 9868 3059 9897 3092 9897
3094 9896
TIME...MOT...LOC 0136Z 325DEG 13KT 3081 9900
$$000
WWUS54 KEWX 130145
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
845 PM CDT FRI JUN 12 2009
TXC299-130154-
/O.EXP.KEWX.TO.W.0019.000000T0000Z-090613T0145Z/
LLANO TX-
845 PM CDT FRI JUN 12 2009
...THE TORNADO WARNING FOR NORTHWESTERN LLANO COUNTY WILL EXPIRE AT
845 PM CDT...
A SEVERE THUNDERSTORM REMAINS IN EFFECT FOR LLANO COUNTY UNTIL 945
PM. THIS STORM REMAINS CAPABLE OF PRODUCING A TORNADO...BUT THE
RADAR INDICATIONS OF A TORNADO HAVE TEMPORARILY WEAKENED. LARGE HAIL
AND DAMAGING WINDS REMAINS LIKELY WITH THIS DANGEROUS STORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR SOUTH CENTRAL TEXAS.
LAT...LON 3093 9886 3074 9868 3059 9897 3092 9897
3094 9896
TIME...MOT...LOC 0144Z 325DEG 13KT 3079 9898
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 7:20 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 55 min |
| Jun 12, 8:27 PM CDT | Flash Flood Warning | EWX | Llano | 3 hr |
| Jun 12, 8:41 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 64 min |
| Jun 12, 10:53 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 32 min |
| Jun 13, 3:15 AM CDT | Heat Advisory | EWX | Atascosa, Dimmit, Frio, Kinney, Maverick, Val Verde and 1 more | 24 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.