Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 92, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 12, 2012, 5:43 PM CDT for Bastrop County, Lee County, Williamson County, Texas. It was in force for 47 min. 2 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
- Jun 12, 2012, 5:43 PM CDT (22:43 UTC)
- Expired
- Jun 12, 2012, 6:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Bastrop County, TX, Lee County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 44 km from the middle of the area, began a volume at 22:46 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 |
|---|---|---|---|
| Jun 12, 5:50 PM CDT | TSTM WND DMG | Fedor, TX | LARGE TREES DOWN. TREES WITH BRANCHES UP TO 6 INCH DIAMETER BROKEN |
| Jun 12, 6:00 PM CDT | TSTM WND DMG | 7 Nne Camp Swift, TX | SEVERAL 1-3 INCH TREE LIMBS DOWN NEAR THE INTERSECTION OF WACO AND BROWN ROAD IN THE TOWN OF MCDADE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.7 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
- 332 J/kg
- Mixed-layer CIN
- -471 J/kg
- Mixed-layer LCL
- 1574 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -66 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
397
WUUS54 KEWX 122243
SVREWX
TXC021-287-491-122330-
/O.NEW.KEWX.SV.W.0092.120612T2243Z-120612T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
543 PM CDT TUE JUN 12 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BASTROP COUNTY...
WEST CENTRAL LEE COUNTY...
EXTREME SOUTHEASTERN WILLIAMSON COUNTY...
* UNTIL 630 PM CDT.
* AT 537 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 12 MILES
NORTHWEST OF FEDOR...OR 8 MILES EAST OF ELGIN...AND MOVING
SOUTHEAST AT 15 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE CAMP SWIFT...CIRCLE D-KC
ESTATE AND PAIGE.
LAT...LON 3013 9732 3042 9735 3051 9717 3050 9716
3048 9715 3047 9713 3026 9696
TIME...MOT...LOC 2244Z 317DEG 14KT 3037 9722
$$1 follow-up statement
747
WWUS54 KEWX 122258
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
558 PM CDT TUE JUN 12 2012
TXC021-287-491-122330-
/O.CON.KEWX.SV.W.0092.000000T0000Z-120612T2330Z/
LEE TX-WILLIAMSON TX-BASTROP TX-
558 PM CDT TUE JUN 12 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHEASTERN BASTROP...EXTREME SOUTHEASTERN WILLIAMSON AND WEST
CENTRAL LEE COUNTIES...
AT 556 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR KNOBB
SPRINGS...OR 10 MILES EAST OF ELGIN...MOVING SOUTHEAST AT 15 MPH.
SOME LOCATIONS IN THE WARNING AREA INCLUDE MCDADE...CAMP SWIFT...
FEDOR...CIRCLE D-KC ESTATE AND PAIGE.
LAT...LON 3013 9732 3042 9735 3051 9717 3050 9716
3048 9715 3047 9713 3026 9696
TIME...MOT...LOC 2258Z 317DEG 14KT 3033 9720
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 6:08 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Fayette, Lee | 67 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012
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.