Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 13, NWS Austin/San Antonio, TX

February 25, 2008Fayette County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 25, 2008, 9:25 PM CST for Fayette County, Texas. It was in force for 35 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
Feb 25, 2008, 9:25 PM CST (03:25 UTC)
Expired
Feb 25, 2008, 10:00 PM CST
In force
35 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

County Fayette County, TX

The radar

The Ft Hood radar (KGRK), 100 km from the middle of the area, began a volume at 03:27 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

TimeReportWhereRemark
Feb 25, 9:40 PM CSTHAIL 0.75Round Top, TXA CITIZEN REPORTED PENNY SIZE HAIL NEAR THE TOWN OF ROUND TOP.
Feb 25, 9:50 PM CSTHAIL 12 S La Grange, TXTHE PUBLIC REPORTED QUARTER SIZE HAIL 2 MILES SOUTH OF LA GRANGE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 3.4 hours before the alert went out and 258 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 00:00Z on 2008-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1669 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2008-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1669 J/kg
Mixed-layer CIN
-436 J/kg
Mixed-layer LCL
1391 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
399 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KEWX 260325
SVREWX
TXC149-260400-
/O.NEW.KEWX.SV.W.0013.080226T0325Z-080226T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
925 PM CST MON FEB 25 2008

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAYETTE COUNTY...

* UNTIL 1000 PM CST.

* AT 917 PM CST...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM
  WAS LOCATED 9 MILES WEST OF ROUND TOP...OR ABOUT 8 MILES SOUTHEAST
  OF GIDDINGS...AND MOVING SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ROUND TOP BY 930 PM CST...
  9 MILES NORTH OF FAYETTEVILLE BY 940 PM CST...

LAT...LON 2977 9674 2978 9682 3000 9703 3008 9694
      3010 9690 3017 9678 3014 9665 3011 9662
      3007 9664 2996 9657
TIME...MOT...LOC 0325Z 290DEG 33KT 3007 9676

$$
3 follow-up statements
000 
WWUS54 KEWX 260338
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
938 PM CST MON FEB 25 2008

TXC149-260400-
/O.CON.KEWX.SV.W.0013.000000T0000Z-080226T0400Z/
FAYETTE TX-
938 PM CST MON FEB 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CST
FOR FAYETTE COUNTY...

AT 931 PM CST...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS
LOCATED NEAR ROUND TOP...OR ABOUT 17 MILES SOUTHEAST OF GIDDINGS...
MOVING EAST AT 40 MPH.

LAT...LON 2977 9674 2978 9682 3000 9703 3008 9694
      3010 9690 3017 9678 3014 9665 3011 9662
      3007 9664 2996 9657
TIME...MOT...LOC 0338Z 270DEG 39KT 3008 9659

$$
000 
WWUS54 KEWX 260353
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
952 PM CST MON FEB 25 2008

TXC149-260400-
/O.CON.KEWX.SV.W.0013.000000T0000Z-080226T0400Z/
FAYETTE TX-
952 PM CST MON FEB 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CST
FOR FAYETTE COUNTY...

AT 944 PM CST...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS
LOCATED NEAR PLUM...OR ABOUT 9 MILES WEST OF LA GRANGE...MOVING EAST
AT 50 MPH.

SOME LOCATIONS IN THE WARNING AREA INCLUDE RABBS PRAIRIE...MULLINS
PRAIRIE...HOLMAN...NECHANITZ...RUTERSVILLE...WALDECK...WALHALLA...
WARRENTON...LEDBETTER...WILLOW SPRINGS...REK HILL...ROUND TOP...
FAYETTEVILLE AND ELLINGER.

LAT...LON 2977 9674 2978 9682 3000 9703 3008 9694
      3010 9690 3017 9678 3014 9665 3011 9662
      3007 9664 2996 9657
TIME...MOT...LOC 0352Z 263DEG 45KT 2989 9690

$$
000 
WWUS54 KEWX 260359
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
959 PM CST MON FEB 25 2008

TXC149-260409-
/O.EXP.KEWX.SV.W.0013.000000T0000Z-080226T0400Z/
FAYETTE TX-
959 PM CST MON FEB 25 2008

...THE SEVERE THUNDERSTORM WARNING FOR FAYETTE COUNTY EXPIRES AT 1000
PM CST...

THE THUNDERSTORMS HAVE WEAKENED.  THEREFORE THE SEVERE 
THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 10 PM.
 
LAT...LON 2977 9674 2978 9682 3000 9703 3008 9694
      3010 9690 3017 9678 3014 9665 3011 9662
      3007 9664 2996 9657
TIME...MOT...LOC 0359Z 263DEG 45KT 2990 9680

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 9:36 PM CSTSevere Thunderstorm WarningEWXFayette24 min
Feb 26, 3:53 AM CSTWind AdvisoryEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 18 more11 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

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.