Alert archive / Texas / Tornado Warnings in 2007
Tornado Warning 36, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Nov 17, 2007, 6:35 PM CST for Gonzales County, Texas. It was in force for 25 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
- Nov 17, 2007, 6:35 PM CST (00:35 UTC)
- Expired
- Nov 17, 2007, 7:00 PM CST
- In force
- 25 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Gonzales County, TX
The radar
The Austin/San Antonio radar (KEWX), 61 km from the middle of the area, began a volume at 00:39 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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.6 hours before the alert went out and 206 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
- 1832 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KEWX 180035
TOREWX
TXC177-180100-
/O.NEW.KEWX.TO.W.0036.071118T0035Z-071118T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
635 PM CST SAT NOV 17 2007
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* TORNADO WARNING FOR...
GONZALES COUNTY...
* UNTIL 700 PM CST.
* AT 634 PM CST...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GONZALES...MOVING
NORTHEAST AT 20 MPH.
* THE TORNADO WILL BE NEAR...
GONZALES BY 640 PM CST...
9 MILES SOUTHWEST OF WAELDER BY 700 PM CST...
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.
LAT...LON 2973 9738 2971 9724 2965 9717 2941 9744
2942 9761 2945 9766
TIME...MOT...LOC 0035Z 216DEG 18KT 2948 9745
$$2 follow-up statements
000
WWUS54 KEWX 180043
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
641 PM CST SAT NOV 17 2007
TXC177-180100-
/O.CON.KEWX.TO.W.0036.000000T0000Z-071118T0100Z/
GONZALES TX-
641 PM CST SAT NOV 17 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR GONZALES
COUNTY...
AT 639 PM CST...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO.
THIS TORNADO WAS LOCATED NEAR GONZALES...MOVING NORTHEAST AT 20 MPH.
THE TORNADO WILL BE NEAR...
LITTLE NEW YORK...9 MILES SOUTH OF WAELDER AND 9 MILES SOUTH OF
THOMPSONVILLE BY 700 PM CST...
A SECOND THUNDERSTORM LOCATED NEAR MONTHALIA OR AROUND 7 MILES WEST
OF GONZALES IS ALSO CAPABLE OF PRODUCING A BRIEF TORNADO AS IT MOVES
NORTHEAST AT 20 MPH.
IF YOU ARE IN A MOBILE HOME OR VEHICLE...GET OUT AND GO TO A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 2973 9738 2971 9724 2965 9717 2941 9744
2942 9761 2945 9766
TIME...MOT...LOC 0041Z 216DEG 18KT 2950 9741
$$000
WWUS54 KEWX 180109
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
706 PM CST SAT NOV 17 2007
TXC177-180116-
/O.EXP.KEWX.TO.W.0036.000000T0000Z-071118T0100Z/
GONZALES TX-
706 PM CST SAT NOV 17 2007
...THE TORNADO WARNING FOR GONZALES COUNTY EXPIRED AT 700 PM CST...
THE THUNDERSTORMS THAT PRODUCED A THREAT OF TORNADOES OVER GONZALES
COUNTY HAVE TEMPORARILY WEAKENED. HOWEVER...THESE STORMS WILL REMAIN
IN A FAVORABLE ENVIRONMENT FOR BRIEF TORNADO FORMATION THROUGH
AROUND 8 PM CDT. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER
INFORMATION AND POSSIBLE WARNINGS.
LAT...LON 2973 9738 2971 9724 2965 9717 2941 9744
2942 9761 2945 9766
TIME...MOT...LOC 0043Z 216DEG 18KT 2951 9740
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 17, 7:01 PM CST | Flash Flood Warning | EWX | Gonzales | 9 hr |
| Nov 17, 9:00 PM CST | Flash Flood Warning | EWX | Fayette | 7 hr |
| Nov 17, 11:19 PM CST | Dense Fog Advisory | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 23 more | 11 hr |
| Nov 18, 2:39 AM CST | Flash Flood Warning | EWX | Fayette | 3 hr |
| Nov 18, 6:02 AM CST | Flash Flood Warning | EWX | Fayette | 3 hr |
| Nov 18, 6:15 AM CST | Flash Flood Warning | EWX | Bastrop | 3 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.