Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 83, NWS Austin/San Antonio, TX

April 25, 20164 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 25, 2016, 7:06 PM CDT for 4 counties in Texas. It was in force for 39 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
Apr 25, 2016, 7:06 PM CDT (00:06 UTC)
Expired
Apr 25, 2016, 7:45 PM CDT
In force
39 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Bexar County, TX, Blanco County, TX, Comal County, TX, Kendall County, TX

The radar

The Austin/San Antonio radar (KEWX), 37 km from the middle of the area, began a volume at 00:08 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
Apr 25, 7:10 PM CDTHAIL 1Timberwood Park, TX1 INCH HAIL REPORTED NEAR TIMBERWOOD PARK
Apr 25, 7:30 PM CDTHAIL 1.5Spring Branch, 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 (KDLF), launched 00:00Z, 0.1 hours before the alert went out and 246 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, Del Rio, TX at 00:00Z on 2016-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 693 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, Del Rio, TX at 00:00Z on 2016-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
693 J/kg
Mixed-layer CIN
-249 J/kg
Mixed-layer LCL
2267 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

821 
WUUS54 KEWX 260006
SVREWX
TXC029-031-091-259-260045-
/O.NEW.KEWX.SV.W.0083.160426T0006Z-160426T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
706 PM CDT MON APR 25 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL BEXAR COUNTY IN SOUTH CENTRAL TEXAS...
  COMAL COUNTY IN SOUTH CENTRAL TEXAS...
  SOUTHWESTERN BLANCO COUNTY IN SOUTH CENTRAL TEXAS...
  EASTERN KENDALL COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 745 PM CDT

* AT 706 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER TIMBERWOOD
  PARK...OR 11 MILES NORTHWEST OF UNIVERSAL CITY...MOVING NORTHEAST AT
  30 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  NEW BRAUNFELS...CANYON LAKE DAM...SELMA...CANYON LAKE...BULVERDE...
  GARDEN RIDGE...TIMBERWOOD PARK...BERGHEIM...TWIN SISTERS...FISCHER...
  KENDALIA...GUADALUPE RIVER STATE PARK...SPRING BRANCH...ANHALT...
  BRACKEN...SPECHT STORE...SATTLER AND STARTZVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3004 9830 2986 9805 2959 9833 2967 9861
      3008 9857
TIME...MOT...LOC 0006Z 214DEG 28KT 2967 9845 

HAIL...1.50IN
WIND...60MPH
 
$$

HAMPSHIRE
3 follow-up statements
114 
WWUS54 KEWX 260027
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
727 PM CDT MON APR 25 2016

TXC029-260036-
/O.CAN.KEWX.SV.W.0083.000000T0000Z-160426T0045Z/
BEXAR TX-
727 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BEXAR COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3004 9830 2986 9805 2967 9829 2970 9835
      2972 9834 2973 9835 2972 9838 2973 9838
      2975 9841 2974 9842 2981 9857 3007 9855
TIME...MOT...LOC 0026Z 214DEG 28KT 2980 9835 

$$

TXC031-091-259-260045-
/O.CON.KEWX.SV.W.0083.000000T0000Z-160426T0045Z/
COMAL TX-BLANCO TX-KENDALL TX-
727 PM CDT MON APR 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR COMAL...SOUTHWESTERN BLANCO AND EASTERN KENDALL COUNTIES...

AT 726 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SPRING BRANCH...
OR 9 MILES SOUTHWEST OF CANYON LAKE DAM...MOVING NORTHEAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
CANYON LAKE DAM...CANYON LAKE...BULVERDE...KENDALIA...GUADALUPE RIVER
STATE PARK...SPRING BRANCH...TWIN SISTERS...FISCHER...SATTLER...ANHALT AND
STARTZVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3004 9830 2986 9805 2967 9829 2970 9835
      2972 9834 2973 9835 2972 9838 2973 9838
      2975 9841 2974 9842 2981 9857 3007 9855
TIME...MOT...LOC 0026Z 214DEG 28KT 2980 9835 

HAIL...1.00IN
WIND...60MPH
 
$$

HAMPSHIRE
934 
WWUS54 KEWX 260040
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
740 PM CDT MON APR 25 2016

TXC259-260049-
/O.CAN.KEWX.SV.W.0083.000000T0000Z-160426T0045Z/
KENDALL TX-
740 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN KENDALL COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 2990 9811 2976 9828 2989 9847 2994 9842
      2998 9845 3001 9845 3004 9830
TIME...MOT...LOC 0039Z 220DEG 31KT 2994 9832 

$$

TXC031-091-260045-
/O.CON.KEWX.SV.W.0083.000000T0000Z-160426T0045Z/
COMAL TX-BLANCO TX-
740 PM CDT MON APR 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN COMAL AND SOUTH CENTRAL BLANCO COUNTIES...

AT 739 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FISCHER...OR 9
MILES NORTHWEST OF CANYON LAKE DAM...MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
CANYON LAKE DAM...CANYON LAKE...SPRING BRANCH...TWIN SISTERS...FISCHER...
SATTLER AND STARTZVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 2990 9811 2976 9828 2989 9847 2994 9842
      2998 9845 3001 9845 3004 9830
TIME...MOT...LOC 0039Z 220DEG 31KT 2994 9832 

HAIL...1.00IN
WIND...60MPH
 
$$

HAMPSHIRE
076 
WWUS54 KEWX 260044
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
744 PM CDT MON APR 25 2016

TXC031-091-260054-
/O.EXP.KEWX.SV.W.0083.000000T0000Z-160426T0045Z/
COMAL TX-BLANCO TX-
744 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN COMAL AND SOUTH
CENTRAL BLANCO COUNTIES WILL EXPIRE AT 745 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2990 9811 2976 9828 2989 9847 2994 9842
      2998 9845 3001 9845 3004 9830
TIME...MOT...LOC 0043Z 214DEG 28KT 2994 9832 

$$

HAMPSHIRE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 8:44 PM CDTSpecial Weather StatementEWXBurnet46 min
Apr 25, 8:53 PM CDTSevere Thunderstorm WarningEWXBurnet49 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016Every severe thunderstorm warning in 2016

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.