Alert archive / Texas / Tornado Warnings in 2008
Tornado Warning 6, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Mar 18, 2008, 1:25 AM CDT for Val Verde County, Texas. It was in force for 35 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
- Mar 18, 2008, 1:25 AM CDT (06:25 UTC)
- Expired
- Mar 18, 2008, 2:00 AM CDT
- In force
- 35 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 85 km from the middle of the area, began a volume at 06:24 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 |
|---|---|---|---|
| Mar 17, 6:40 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.4 hours before the alert went out and 55 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
- 170 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 3256 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 257 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 180625
TOREWX
TXC465-180700-
/O.NEW.KEWX.TO.W.0006.080318T0625Z-080318T0700Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
125 AM CDT TUE MAR 18 2008
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* TORNADO WARNING FOR...
VAL VERDE COUNTY...
* UNTIL 200 AM CDT.
* AT 120 AM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES SOUTHWEST OF
LOMA ALTA...OR ABOUT 14 MILES EAST OF COMSTOCK...MOVING NORTHEAST
AT 50 MPH.
* THE TORNADO WILL BE NEAR...
LOMA ALTA BY 135 AM CDT...
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 200 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL TEXAS.
LAT...LON 2995 10086 2999 10069 2988 10069 2966 10095
2976 10101
TIME...MOT...LOC 0625Z 214DEG 48KT 2981 10091
$$3 follow-up statements
000
WWUS54 KEWX 180633
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
131 AM CDT TUE MAR 18 2008
TXC465-180700-
/O.CON.KEWX.TO.W.0006.000000T0000Z-080318T0700Z/
VAL VERDE TX-
131 AM CDT TUE MAR 18 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR VAL VERDE
COUNTY...
AT 129 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO.
THIS TORNADO WAS LOCATED 9 MILES SOUTHWEST OF LOMA ALTA...MOVING
NORTHEAST AT 40 MPH.
THE TORNADO WILL BE NEAR...
LOMA ALTA BY 140 AM CDT...
VINEGARONE BY 145 AM CDT...
THIS THUNDERSTORM IS ALSO CAPABLE OF PRODUCING GOLFBALL SIZED HAIL
AND WIND GUSTS TO 70 MPH. A TORNADO WATCH REMAINS IN EFFECT UNTIL
200 AM CDT TUESDAY MORNING FOR SOUTH CENTRAL TEXAS.
LAT...LON 2995 10086 2999 10069 2988 10069 2966 10095
2976 10101
TIME...MOT...LOC 0631Z 229DEG 37KT 2984 10085
$$000
WWUS54 KEWX 180650
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
148 AM CDT TUE MAR 18 2008
TXC465-180700-
/O.CON.KEWX.TO.W.0006.000000T0000Z-080318T0700Z/
VAL VERDE TX-
148 AM CDT TUE MAR 18 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR VAL VERDE
COUNTY...
AT 146 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO.
THIS TORNADO WAS LOCATED NEAR VINEGARONE...OR JUST NORTH OF LOMA
ALTA...MOVING NORTHEAST AT 45 MPH.
PEOPLE IN THE VINEGARONE AREA SHOULD SEEK SHELTER IN AN INTERIOR
ROOM IMMEDIATELY. THIS THUNDERSTORM IS ALSO CAPABLE OF PRODUCING
GOLFBALL SIZED HAIL AND WIND GUSTS IN EXCESS OF 70 MPH. A TORNADO
WATCH REMAINS IN EFFECT UNTIL 200 AM CDT TUESDAY MORNING FOR SOUTH
CENTRAL TEXAS.
LAT...LON 2996 10082 2996 10079 2997 10078 2998 10071
2999 10070 2995 10069 2988 10080 2995 10086
TIME...MOT...LOC 0648Z 226DEG 34KT 2998 10078
$$000
WWUS54 KEWX 180700
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
159 AM CDT TUE MAR 18 2008
TXC465-180709-
/O.EXP.KEWX.TO.W.0006.000000T0000Z-080318T0700Z/
VAL VERDE TX-
159 AM CDT TUE MAR 18 2008
...THE TORNADO WARNING FOR VAL VERDE COUNTY WILL EXPIRE AT 200 AM
CDT...
THE TORNADO THREAT FROM THIS STORM HAS MOVED NORTHEAST INTO EDWARDS
COUNTY. HOWEVER...THIS THUNDERSTORM COULD STILL PRODUCE HAIL AND
WIND GUSTS TO 50 MPH OVER EASTERN VAL VERDE COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL TEXAS.
LAT...LON 2996 10082 2996 10079 2997 10078 2998 10071
2999 10070 2995 10069 2988 10080 2995 10086
TIME...MOT...LOC 0659Z 226DEG 34KT 3005 10069
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:03 PM CDT | Tornado Warning | EWX | Bandera | 27 min |
| Mar 17, 7:27 PM CDT | Tornado Warning | EWX | Bandera | 33 min |
| Mar 17, 7:36 PM CDT | Severe Thunderstorm Warning | EWX | Real | 24 min |
| Mar 17, 7:59 PM CDT | Severe Thunderstorm Warning | EWX | Real | 31 min |
| Mar 17, 7:59 PM CDT | Tornado Warning | EWX | Bandera | 23 min |
| Mar 17, 8:04 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 45 min |
| Mar 17, 8:16 PM CDT | Tornado Warning | EWX | Real | 29 min |
| Mar 17, 8:17 PM CDT | Tornado Warning | EWX | Kerr | 27 min |
| Mar 17, 8:29 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 46 min |
| Mar 17, 9:13 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 34 min |
| Mar 17, 10:41 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 34 min |
| Mar 17, 11:03 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 42 min |
| Mar 17, 11:41 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 49 min |
| Mar 18, 12:29 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 46 min |
| Mar 18, 1:03 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 42 min |
| Mar 18, 1:24 AM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| Mar 18, 1:52 AM CDT | Tornado Warning | EWX | Edwards | 23 min |
| Mar 18, 2:14 AM CDT | Tornado Warning | EWX | Edwards | 16 min |
| Mar 18, 2:32 AM CDT | Wind Advisory | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 18 hr |
| Mar 18, 2:44 AM CDT | River Flood Warning | EWX | Val Verde | 12 hr |
| Mar 18, 2:44 AM CDT | River Flood Warning | EWX | Val Verde | 12 hr |
| Mar 18, 1:05 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 55 min |
| Mar 18, 2:08 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 67 min |
Nearby
Tornado Warnings in Texas, 2008Every tornado warning in 2008Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.