Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 128, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 11, 2001, 6:09 AM CDT for Bastrop County, Lee County, Texas. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Oct 11, 2001, 6:09 AM CDT (11:09 UTC)
- Expired
- Oct 11, 2001, 7:15 AM CDT
- In force
- 66 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Bastrop County, TX, Lee County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 11.2 hours before the alert went out and 275 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
- 2146 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.6
The text
As transmitted, in the capitals the NWS used until 2016.
080 WUUS54 KEWX 111112 SVRSAT TXC021-287-111215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 609 AM CDT THU OCT 11 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... LEE BASTROP * UNTIL 715 AM CDT * AT 609 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR CEDAR CREEK...OR ABOUT 8 MILES WEST OF BASTROP...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE... 3 MILES NORTHWEST OF CAMP SWIFT AT 625 AM 5 MILES WEST OF LEXINGTON AT 715 AM PERSONS IN BASTROP AND LEE COUNTIES SHOULD BE ALERT AS THIS STORM APPROACHES...AND SEEK SHELTER IF NECESSARY. BESIDES FREQUENT DEADLY LIGHTNING...THE STORM CONTAINS GUSTY DAMAGING WINDS...HAIL AND LOCALLY HEAVY RAINFALL WHICH COULD RESULT IN LOCALIZED FLOODING. LAT...LON 3017 9757 3005 9741 3019 9686 3044 9704
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 Oct 11, 2:20 AM CDT, 3 hours 49 minutes earlier.
Area forecast discussion, Oct 11, 2:20 AM CDT, 3 hours 49 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 220 AM CDT THU OCT 11 2001 SHOWERS AND THUNDERSTORMS MOVING ACROSS CWA THIS MORNING WILL CONTINUE THROUGH MID MORNING AS SECOND JETLET ROUNDS TROF AND RAPIDLY LIFTS SHORT WAVE EASTWARD. FIRST ROUND MOVING RAPIDLY WITH RAINFALL RATES ONE TO ONE AND A HALF INCHES PER HOUR. EXPECT FRONTAL BOUNDARY TO SAG INTO FORECAST AREA AIDED BY RAIN BUT MAKE LITTLE FURTHER SOUTHWARD PROGRESS AFTER SHORTWAVE EXITS THIS MORNING AND IN FACT MAY SEE LITTLE IN THE WAY OF ACTUAL WIND SHIFT TODAY. ELEVATED (AND SEVERE) CONVECTION TO REMAIN NORTH AND JUST EAST OF SOUTH CENTRAL TEXAS ALONG 850 FRONT WHICH APPEARS TO REMAIN STEADFAST THROUGH THE DAY. EXPECT STRONGER CONVECTION AS STORMS APPROACH MAXIMUM INSTABILITY EAST OF AUS-SAT LINE WITH MARGINALLY SEVERE STORMS NORTHEASTERN ZONES WHERE ELEVATED CONVECTION STILL POSSIBLE. STRONGER FRONT STILL ON SCHEDULE FOR LATE FRIDAY EARLY SATURDAY. MODELS DOUBTFUL AS USUAL ABOUT MOISTURE RETURN BUT GIVEN PROGGED LOW LEVEL FLOW AND DECAYING TROPICAL MOISTURE ALOFT WILL OPT FOR GOOD CHANCE OR BETTER POPS THEN. TEMPS MODERATED TODAY WITH CLOUD COVER AND RAIN WILL RECOVER SLIGHTLY FRIDAY THEN COOL SIGNIFICANTLY BEHIND FRONT ON SATURDAY. DRIER AIR AND SUNSHINE WILL KEEP MAX TEMPS WARM WITH MINS MUCH MORE FALL LIKE. PRELIMINARY NUMBERS AUS 78/67/81/58/77 52240 SAT 80/69/82/58/82 42240 DRT 82/69/86/58/79 31130 .EWX...NONE. 10/05/DC
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
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.