Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 117, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 14, 2003, 11:57 PM CDT for Gillespie County, Llano County, Texas. It was in force for 63 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 14, 2003, 11:57 PM CDT (04:57 UTC)
- Expired
- Jun 15, 2003, 1:00 AM CDT
- In force
- 63 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Gillespie County, TX, Llano County, TX
The radar
The Austin/San Antonio radar (KEWX), 119 km from the middle of the area, began a volume at 04:58 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 |
|---|---|---|---|
| Jun 14, 11:40 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 5.0 hours before the alert went out and 224 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
- 3317 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 985 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
982 WUUS54 KEWX 150457 SVRSAT TXC171-299-150600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1158 PM CDT SAT JUN 14 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... LLANO GILLESPIE * UNTIL 100 AM CDT * AT 1158 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES NORTHWEST OF ENCHANTED ROCK STATE PARK...OR ABOUT 19 MILES SOUTHWEST OF LLANO...MOVING SOUTH AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE... 4 MILES WEST OF ENCHANTED ROCK STATE PARK AT 1225 AM IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FLASH FLOODING RAINS ARE POSSIBLE WITH THESE THUNDERSTORMS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3059 9883 3067 9890 3026 9910 3026 9879 $$
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 Jun 14, 11:45 PM CDT, 12 minutes earlier.
Area forecast discussion, Jun 14, 11:45 PM CDT, 12 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1145 PM CDT SAT JUN 14 2003 WILL SHOW FLASH FLOOD WATCH THROUGH TONIGHT WITH 50 PERCENT POPS OVER CWA. BOUNDARY TO THE NORTH MOVING SOUTH...WITH CONTINUED DESTABLIZATION. WILL ALSO MENTION SOME TSRA POSSIBLY SEVERE. KEPT CONTINUED CHC OF RAIN FOR SUNDAY...AS LOW ALOFT STAYS IN VICINTIY OF AREA THRU THE EARLY PART OF THE WEEK. MORE STABLE CONDTIONS EXPECTED IN THE MID TO LATE PART OF THE WEEK. PRELIMINARY NUMBERS... AUS 065 087 066 087 5543 DRT 069 093 069 094 4332 SAT 068 087 067 087 5543 .EWX...FLASH FLOOD WATCH FOR TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTY. ...SEVERE TSTM WATCH THRU 5 AM CDT... 8/11/DC
Hazardous weather outlook, Jun 14, 6:00 AM CDT, 17 hours 57 minutes before
TXZ171>173-183>194-202>209-217>225-228-151200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT SAT JUN 14 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT. AN UPPER LEVEL DISTURBANCE WILL MOVE SOUTHEAST ACROSS NORTHWEST TEXAS THIS MORNING MOVING INTO NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS THIS AFTERNOON. SCATTERED THUNDERSTORMS MAY DEVELOP AS A RESULT AND A FEW OF THESE STORMS MAY BECOME SEVERE...IF LOW LEVEL CONDITIONS DESTABILIZE AGAIN. MAIN THREATS ARE FROM LARGE HAIL AND DAMAGING WINDS BUT AN ISOLATED TORNADO CANNOT BE RULED OUT. .DAYS TWO THROUGH SEVEN... OTHER STORMS MAY MOVE SOUTHWARD INTO SOUTH CENTRAL TEXAS SUNDAY IN AN INCREASINGLY NORTH FLOW ALOFT WITH MORE POTENTIAL SEVERE WEATHER AND HEAVY RAINS. ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE MONDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND EVENING FOR MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 12:11 AM CDT | Flash Flood Warning | EWX | Gillespie, Llano | 2 hr |
| Jun 15, 12:59 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 61 min |
| Jun 15, 1:25 AM CDT | Severe Thunderstorm Warning | EWX | Blanco | 65 min |
| Jun 15, 1:50 AM CDT | Severe Thunderstorm Warning | EWX | Llano | 55 min |
| Jun 15, 1:59 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 46 min |
| Jun 15, 2:00 AM CDT | Severe Thunderstorm Warning | EWX | Kendall | 60 min |
| Jun 15, 2:08 AM CDT | Flash Flood Warning | EWX | Gillespie | 2 hr |
| Jun 15, 2:45 AM CDT | Severe Thunderstorm Warning | EWX | Kerr | 75 min |
| Jun 15, 3:04 AM CDT | Severe Thunderstorm Warning | EWX | Kendall | 56 min |
| Jun 15, 3:58 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Kendall | 62 min |
| Jun 15, 4:04 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 71 min |
| Jun 15, 4:26 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 64 min |
| Jun 15, 5:05 AM CDT | Flash Flood Warning | EWX | Edwards, Real | 4 hr |
| Jun 15, 5:11 AM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 64 min |
| Jun 15, 6:10 AM CDT | Flash Flood Warning | EWX | Kinney, Uvalde | 3 hr |
| Jun 15, 8:55 AM CDT | Flash Flood Warning | EWX | Uvalde | 2 hr |
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.