Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 26, 2011, 8:30 PM CDT for Gillespie County, Kendall County, Kerr County, Texas. It was in force for 48 min. 3 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
- Mar 26, 2011, 8:30 PM CDT (01:30 UTC)
- Expired
- Mar 26, 2011, 9:18 PM CDT
- In force
- 48 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Gillespie County, TX, Kendall County, TX, Kerr County, TX
The radar
The Austin/San Antonio radar (KEWX), 94 km from the middle of the area, began a volume at 01:33 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 |
|---|---|---|---|
| Mar 26, 8:30 PM CDT | HAIL 1.75 | 7 W Fredericksburg, TX | |
| Mar 26, 8:35 PM CDT | HAIL 1 | 4 W Fredericksburg, TX | |
| Mar 26, 8:59 PM CDT | HAIL 1 | 3 Sse Bankersmith, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.5 hours before the alert went out and 218 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4761 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
948 WUUS54 KEWX 270130 SVREWX TXC171-259-265-270230- /O.NEW.KEWX.SV.W.0004.110327T0130Z-110327T0230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 830 PM CDT SAT MAR 26 2011 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN GILLESPIE COUNTY... NORTHWESTERN KENDALL COUNTY... EXTREME EAST CENTRAL KERR COUNTY... * UNTIL 930 PM CDT. * AT 828 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF FREDERICKSBURG...AND MOVING SOUTHEAST AT 15 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE CAIN CITY...ROCKY HILL... GRAPETOWN...BANKERSMITH...BLUMENTHAL...LUCKENBACH AND STONEWALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 3023 9862 3003 9882 3022 9905 3037 9890 TIME...MOT...LOC 0130Z 295DEG 11KT 3020 9893 $$
2 follow-up statements
468 WWUS54 KEWX 270144 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 844 PM CDT SAT MAR 26 2011 TXC171-259-265-270230- /O.CON.KEWX.SV.W.0004.000000T0000Z-110327T0230Z/ GILLESPIE TX-KERR TX-KENDALL TX- 844 PM CDT SAT MAR 26 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR NORTHWESTERN KENDALL...EXTREME EAST CENTRAL KERR AND SOUTH CENTRAL GILLESPIE COUNTIES... AT 842 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CAIN CITY... OR 6 MILES SOUTH OF FREDERICKSBURG...MOVING EAST AT 25 MPH. SOME LOCATIONS IN THE WARNING AREA INCLUDE ROCKY HILL...GRAPETOWN... BANKERSMITH...BLUMENTHAL...LUCKENBACH AND STONEWALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 3015 9896 3034 9883 3023 9862 3003 9882 TIME...MOT...LOC 0144Z 290DEG 14KT 3018 9886 $$
298 WWUS54 KEWX 270218 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 918 PM CDT SAT MAR 26 2011 TXC171-259-265-270227- /O.CAN.KEWX.SV.W.0004.000000T0000Z-110327T0230Z/ GILLESPIE TX-KERR TX-KENDALL TX- 918 PM CDT SAT MAR 26 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN KENDALL...EXTREME EAST CENTRAL KERR AND SOUTH CENTRAL GILLESPIE COUNTIES IS CANCELLED... A SEVERE THUNDERSTORM WARNING FOR THIS SAME STORM REMAINS IN EFFECT FOR GILLESPIE...BLANCO...AND KENDALL COUNTY UNTIL 945. LAT...LON 3015 9896 3034 9883 3023 9862 3003 9882 TIME...MOT...LOC 0217Z 290DEG 14KT 3014 9872 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 7:54 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 51 min |
| Mar 26, 8:54 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Kendall | 51 min |
| Mar 26, 9:52 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 44 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2011Every severe thunderstorm warning in 2011
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.