Alert archive / Texas / Tornado Warnings in 2007
Tornado Warning 16, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Apr 23, 2007, 8:28 PM CDT for Val Verde County, Texas. It was in force for 32 min. 4 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
- Apr 23, 2007, 8:28 PM CDT (01:28 UTC)
- Expired
- Apr 23, 2007, 9:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 53 km from the middle of the area, began a volume at 01:31 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 |
|---|---|---|---|
| Apr 23, 8:34 PM CDT | TORNADO | Del Rio, TX | TOUCHDOWNS NORTH AND SOUTH OF DOWNTOWN DEL RIO |
| Apr 23, 8:38 PM CDT | TSTM WND GST 64 | Laughlin Afb, TX | |
| Apr 23, 8:40 PM CDT | TSTM WND DMG | Laughlin Afb, TX | TELEPHONE POLE DOWN |
| Apr 23, 8:40 PM CDT | HAIL 0.88 | Laughlin Afb, 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 |
|---|---|---|---|
| Apr 23, 7:48 PM CDT | Tornado Watch | SPC | 105 min |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.5 hours before the alert went out and 4 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
- 1923 J/kg
- Mixed-layer CIN
- -157 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KEWX 240128
TOREWX
TXC465-240200-
/O.NEW.KEWX.TO.W.0016.070424T0128Z-070424T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
828 PM CDT MON APR 23 2007
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* TORNADO WARNING FOR...
VAL VERDE COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITY OF DEL RIO...
* UNTIL 900 PM CDT
* AT 826 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
DEL RIO...MOVING EAST AT 20 MPH.
* THE TORNADO WILL BE NEAR...
LAUGHLIN AFB BY 835 PM 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 1100 PM CDT MONDAY EVENING
FOR SOUTH CENTRAL TEXAS.
LAT...LON 2944 10094 2947 10070 2947 10070 2937 10071
2933 10075 2925 10076 2924 10080 2926 10081
2925 10082 2928 10088 2932 10089 2934 10096
$$3 follow-up statements
000
WWUS54 KEWX 240137
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
835 PM CDT MON APR 23 2007
TXC465-240200-
/O.CON.KEWX.TO.W.0016.000000T0000Z-070424T0200Z/
VAL VERDE TX-
835 PM CDT MON APR 23 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR VAL VERDE
COUNTY...
AT 831 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO NEAR DEL RIO...MOVING EAST AT 20 MPH. AT 813 PM...A FUNNEL
CLOUD WAS REPORTED FROM THIS STORM BY TRAINED SPOTTERS AS IT ENTERED
DEL RIO FROM THE WEST. PEOPLE NEAR AND TO THE EAST OF DEL RIO SHOULD
TAKE COVER IMMEDIATELY.
THE TORNADO WILL BE NEAR...
LAUGHLIN AFB BY 840 PM CDT...
IF YOU ARE IN A MOBILE HOME OR VEHICLE...GET OUT AND GO TO A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR SOUTH CENTRAL TEXAS.
LAT...LON 2944 10094 2947 10070 2947 10070 2937 10071
2933 10075 2925 10076 2924 10080 2926 10081
2925 10082 2928 10088 2932 10089 2934 10096
$$000
WWUS54 KEWX 240146
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
845 PM CDT MON APR 23 2007
TXC465-240200-
/O.CON.KEWX.TO.W.0016.000000T0000Z-070424T0200Z/
VAL VERDE TX-
845 PM CDT MON APR 23 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR VAL VERDE
COUNTY...
AT 845 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED A
TORNADO. THIS POSSIBLE TORNADO IS NOW LOCATED NEAR LAUGHLIN AFB...OR
ABOUT 8 MILES EAST OF DEL RIO...MOVING EAST AT 25 MPH. AT 806 PM
CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO TOUCHING DOWN NEAR
THE RIO GRANDE SOUTH OF DEL RIO.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR SOUTH CENTRAL TEXAS.
LAT...LON 2944 10094 2947 10070 2947 10070 2937 10071
2933 10075 2925 10076 2924 10080 2926 10081
2925 10082 2928 10088 2932 10089 2934 10096
$$000
WWUS54 KEWX 240159
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
900 PM CDT MON APR 23 2007
TXC465-240210-
/O.EXP.KEWX.TO.W.0016.000000T0000Z-070424T0200Z/
VAL VERDE TX-
900 PM CDT MON APR 23 2007
...THE TORNADO WARNING FOR VAL VERDE COUNTY EXPIRES AT 900 PM CDT...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR SOUTH CENTRAL TEXAS.
LAT...LON 2944 10094 2947 10070 2947 10070 2937 10071
2933 10075 2925 10076 2924 10080 2926 10081
2925 10082 2928 10088 2932 10089 2934 10096
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 7:45 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| Apr 23, 8:01 PM CDT | Tornado Warning | EWX | Val Verde | 29 min |
| Apr 23, 8:41 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| Apr 23, 8:49 PM CDT | Tornado Warning | EWX | Kinney | 37 min |
| Apr 24, 4:32 AM CDT | Flash Flood Watch | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 22 more | 26 hr |
| Apr 24, 4:26 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 64 min |
| Apr 24, 6:18 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 57 min |
| Apr 24, 6:51 PM CDT | Tornado Warning | EWX | Maverick | 54 min |
Nearby
Tornado Warnings in Texas, 2007Every tornado warning in 2007Tornadoes in 2007
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.