Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 80, NWS Austin/San Antonio, TX

April 25, 2016Atascosa County, Frio County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 25, 2016, 4:57 PM CDT for Atascosa County, Frio County, Texas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 25, 2016, 4:57 PM CDT (21:57 UTC)
Expired
Apr 25, 2016, 5:27 PM CDT
In force
30 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Atascosa County, TX, Frio County, TX

The radar

The Austin/San Antonio radar (KEWX), 131 km from the middle of the area, began a volume at 22:01 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.0 hours before the alert went out and 177 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 12:00Z on 2016-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1837 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 12:00Z on 2016-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1837 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

915 
WUUS54 KEWX 252157
SVREWX
TXC013-163-252300-
/O.NEW.KEWX.SV.W.0080.160425T2157Z-160425T2300Z/

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN FRIO COUNTY IN SOUTH CENTRAL TEXAS...
  SOUTHWESTERN ATASCOSA COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 600 PM CDT

* AT 456 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTH OF
  ZELLA...OR 13 MILES SOUTHWEST OF CHARLOTTE...MOVING NORTHEAST AT 15
  MPH.

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

  SOURCE...RADAR INDICATED. 

  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...
  CHARLOTTE...CHRISTINE...HINDES...DAVIS AND DOBROWOLSKI. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2865 9880 2865 9888 2864 9888 2866 9891
      2892 9880 2895 9860 2877 9846 2864 9866
      2864 9880
TIME...MOT...LOC 2156Z 217DEG 13KT 2869 9880 

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

HAMPSHIRE
2 follow-up statements
370 
WWUS54 KEWX 252216
SVSEWX

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

TXC163-252226-
/O.CAN.KEWX.SV.W.0080.000000T0000Z-160425T2300Z/
FRIO TX-
516 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FRIO 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 2891 9881 2892 9880 2895 9860 2877 9846
      2864 9866 2864 9880
TIME...MOT...LOC 2216Z 217DEG 13KT 2875 9875 

$$

TXC013-252300-
/O.CON.KEWX.SV.W.0080.000000T0000Z-160425T2300Z/
ATASCOSA TX-
516 PM CDT MON APR 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN ATASCOSA COUNTY...

AT 516 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTH OF
CHARLOTTE...MOVING NORTHEAST AT 15 MPH.

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

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
CHARLOTTE...CHRISTINE...HINDES...DAVIS AND DOBROWOLSKI. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2891 9881 2892 9880 2895 9860 2877 9846
      2864 9866 2864 9880
TIME...MOT...LOC 2216Z 217DEG 13KT 2875 9875 

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

HAMPSHIRE
690 
WWUS54 KEWX 252227
SVSEWX

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

TXC013-252237-
/O.CAN.KEWX.SV.W.0080.000000T0000Z-160425T2300Z/
ATASCOSA TX-
527 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ATASCOSA COUNTY
IS CANCELLED...
                
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 HAS BEEN CANCELLED.

LAT...LON 2891 9881 2892 9880 2895 9860 2877 9846
      2864 9866 2864 9880
TIME...MOT...LOC 2223Z 217DEG 13KT 2878 9872 

$$

HAMPSHIRE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 4:30 PM CDTSpecial Weather StatementEWXFrio30 min
Apr 25, 5:34 PM CDTSpecial Weather StatementEWXAtascosa26 min
Apr 25, 5:48 PM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar42 min
Apr 25, 6:25 PM CDTSevere Thunderstorm WarningEWXBexar50 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.