Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 167, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Aug 11, 2003, 7:26 PM CDT for Blanco County, Burnet County, Texas. It was in force for 64 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
- Aug 11, 2003, 7:26 PM CDT (00:26 UTC)
- Expired
- Aug 11, 2003, 8:30 PM CDT
- In force
- 64 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Blanco County, TX, Burnet County, TX
The radar
The Austin/San Antonio radar (KEWX), 79 km from the middle of the area, began a volume at 00:26 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 11, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.4 hours before the alert went out and 269 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
- 938 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 2393 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 120026 SVRSAT TXC031-053-120130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 726 PM CDT MON AUG 11 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... BURNET BLANCO * UNTIL 830 PM CDT * AT 726 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SPICEWOOD...OR ABOUT 10 MILES EAST OF ROUND MOUNTAIN...MOVING SOUTH AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE... OVER PEDERNALES FALLS STATE PARK AT 735 PM * THIS WARNING INCLUDES LOCATIONS IN AND AROUND... SPICEWOOD CYPRESS MILL PEDERNALES FALLS STATE PARK ROUND MOUNTAIN CYPRESS MILL IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. LAT...LON 3030 9840 3016 9827 3057 9810 3053 9831 $$
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 11, 6:42 PM CDT, 44 minutes earlier.
Area forecast discussion, Aug 11, 6:42 PM CDT, 44 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
642 PM CDT MON AUG 11 2003
WILL REMOVE SOME COUNTIES FROM THE SEVERE THUNDERSTORM WATCH PER
SPCS LATEST DISCUSSION....MAINLY ALL COUNTIES WEST OF I-35.
06/04/DC
320 PM DISCUSSION..........
NORTHERLY FLOW ALOFT BRINGING DISTURBANCES TO SOUTH CENTRAL TEXAS
EARLY THIS AFTERNOON. GOOD CAPES AND DAYTIME HEATING PRODUCING
NICE THUNDERSTORMS WITH SOME ISOLATED DOWNBURSTS...THIS CONDITION
LIKELY TO PERSIST THROUGH THE EARLY EVENING HOURS AND SPC HAS ISSUED
A SEVERE THUNDERSTORM WATCH #857 AS A RESULT. CONTINUED NORTHERLY
FLOW AND WEAK IMPULSES WILL RESULT IN CHANCES THROUGH TONIGHT AND
TUESDAY.
TROPICAL WAVE WILL MOVE WEST INTO THE AREA TOMORROW NIGHT AND
WEDNESDAY WITH MODERATING DAYTIME TEMPERATURES AND A CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THURSDAY AS MOISTURE PLUME WILL BE
FAVORABLE. LATE IN THE WEEK RIDGING BUILDS IN FROM THE MIDWEST AND
LOW MIGRATING INTO MEXICO...SW U.S. THIS SHOULD LOWER RAIN CHANCES
FOR US SOMEWHAT BY NEXT WEEKEND.
.EWX...SEVERE THUNDERSTORM WATCH NUMBER 857 FOR EASTERN TWO-THIRDS
OF SOUTH CENTRAL TEXAS TIL 8 PM CDT...
02/18/KW
PRELIMS...
AUS BE 072/089 070/087 070 02344 0000/0000/0000
EBBBB 093/071 096/073 095/071 096/075 097 44332222222
DRT BE 077/094 071/092 069 02333 0000/0000/0000
EBBBB 089/072 093/074 095/076 097/078 098 34442222222
SAT BE 073/092 071/088 072 02344 0000/0000/0000
EBBBB 091/073 095/075 093/077 094/077 097 44332222222Hazardous weather outlook, Aug 11, 6:00 AM CDT, 13 hours 26 minutes before
TXZ171>173-183>194-202>209-217>225-228-121100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT MON AUG 11 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY. ANOTHER UPPER LEVEL DISTURBANCE IN THE NORTHERLY FLOW ALOFT WILL APPROACH THE REGION THIS AFTERNOON AND WILL COMBINE WITH DAYTIME HEATING TO TRIGGER ISOLATED SEVERE THUNDERSTORMS. THE PRIMARY THREATS WILL BE DAMAGING WINDS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE CHANCE OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE WEEK AND EXTEND INTO THE WEEKEND. THE BEST CHANCE OF SHOWERS AND THUNDERSTORMS THIS WEEK WILL BE ON THURSDAY WHEN DEEP TROPICAL MOISTURE OVERSPREADS THE REGION. HEAVY RAINFALL WILL BE THE PRIMARY THREAT FOR THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
In the hours before
Local storm report, Aug 11, 4:19 PM CDT, 3 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
419 PM CDT MON AUG 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM SAN MARCOS TX WIND DAMAGE
08/11/03 HAYS POWER LINE DOWN
REPORTED BY
LAW ENFORCEMENT
0340 PM LA GRANGE TX WIND DAMAGE
08/11/03 FAYETTE TREES AND POWER LINES
DOWN
REPORTED BY LAW
ENFORCEMENT
0340 PM AIRPORT CASTROVILLE TX WIND DAMAGE
08/11/03 MEDINA AIRPLANES FLIPPED OVER,
TELEPHONE POLES
DOWN
REPORTED BY LAW
ENFORCEMENT
DCLocal storm report, Aug 11, 4:58 PM CDT, 2 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
458 PM CDT MON AUG 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0354 PM CASTROVILLE TX TORNADO
08/11/03 MEDINA TREES AND POWER LINES
DOWN
REPORTED BY LAW
ENFORCEMENT
0440 PM YOAKUM TX 80 MPH TSTM WIND GUST
08/11/03 LAVACA REPORTED BY RAINFALL
OBSEERVER
0440 PM YOAKUM TX WIND DAMAGE
08/11/03 LAVACA TREES DOWN
REPORTED BY LAW
ENFORCEMENT
DCLocal storm report, Aug 11, 5:42 PM CDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
542 PM CDT MON AUG 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM RIVER ROAD NEW BRAUNFELS TEXAS WIND DAMAGE
08/11/03 COMAL TREES DOWN
REPORTED BY LAW
ENFORCEMENT
0300 PM FAYETTEVILLE TX WIND DAMAGE
08/11/03 FAYETTE POWER LINES DOWN
REPORTED
BY LAW ENFORCEMENT
0423 PM SHINER TX WIND DAMAGE
08/11/03 LAVACA TREES DOWN
REPORTED BY LAW
ENFORCEMENT
0428 PM FM 794/I10 HARWOOD TX WIND DAMAGE
08/11/03 GONZALES TREE DOWN
REPORTED BY LAW
ENFORCEMENT
0445 PM CUERO TX WIND DAMAGE
08/11/03 DEWITT POWER LINES
DISCONNECTED
REPORTED BY LAW
ENFORCEMENT
DCLocal storm report, Aug 11, 6:05 PM CDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
605 PM CDT MON AUG 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM RIVER ROAD NEW BRAUNFELS TX WIND DAMAGE
08/11/03 COMAL TREES DOWN
REPORTED BY LAW
ENFORCEMENT
0300 PM FAYETTEVILLE TX WIND DAMAGE
08/11/03 FAYETTE POWER LINES DOWN
REPORTED
BY LAW ENFORCEMENT
0423 PM SHINER TX WIND DAMAGE
08/11/03 LAVACA TREES DOWN
REPORTED BY LAW
ENFORCEMENT
0428 PM FM 794/I10 HARWOOD TX WIND DAMAGE
08/11/03 GONZALES TREE DOWN
REPORTED BY LAW
ENFORCEMENT
0445 PM CUERO TX WIND DAMAGE
08/11/03 DEWITT POWER LINES
DISCONNECTED
REPORTED BY LAW
ENFORCEMENT
DCThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 7:45 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 45 min |
| Aug 11, 7:55 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 65 min |
| Aug 11, 9:36 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 54 min |
| Aug 12, 1:00 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 60 min |
| Aug 12, 2:35 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 40 min |
| Aug 12, 2:41 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 34 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003
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.