Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 52, NWS Austin/San Antonio, TX

April 1, 20164 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 1, 2016, 5:13 AM CDT for 4 counties in 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: Apr 1, 2016, 5:13 AM CDT (10:13 UTC)
Expired: Apr 1, 2016, 6:00 AM CDT
In force: 47 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Atascosa County, TX, Bexar County, TX, Frio County, TX, Medina County, TX

The radar

The Austin/San Antonio radar (KEWX), 94 km from the middle of the area, began a volume at 10:17 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
Apr 1, 5:15 AM CDT	HAIL 0.5	5 Sse Natalia, TX	MINOR LEAF DAMAGE. LASTED ABOUT 15 MINUTES.
Apr 1, 5:15 AM CDT	HAIL 1	1 N Devine, 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, 10.2 hours before the alert went out and 206 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3768 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

926 
WUUS54 KEWX 011013
SVREWX
TXC013-029-163-325-011100-
/O.NEW.KEWX.SV.W.0052.160401T1013Z-160401T1100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
513 AM CDT FRI APR 1 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN BEXAR COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHEASTERN FRIO COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHWESTERN ATASCOSA COUNTY IN SOUTH CENTRAL TEXAS...
  SOUTHEASTERN MEDINA COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 600 AM CDT

* AT 511 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER DEVINE...
  MOVING NORTHEAST AT 40 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  SAN ANTONIO...DEVINE...POTEET...MOORE...LYTLE...SOMERSET...NATALIA...
  PEARSON...BIGFOOT...LEMING...BIG FOOT...LACKLAND AFB...VON ORMY...
  ROSSVILLE...SOUTHTON...MANGUS CORNER...KYOTE...MITCHELL LAKE...MACDONA
  AND IUKA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 2899 9892 2922 9900 2945 9841 2900 9842
TIME...MOT...LOC 1011Z 246DEG 37KT 2912 9886 

HAIL...1.00IN
WIND...<50MPH
 
$$

CP

3 follow-up statements

600 
WWUS54 KEWX 011030
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
530 AM CDT FRI APR 1 2016

TXC163-325-011039-
/O.CAN.KEWX.SV.W.0052.000000T0000Z-160401T1100Z/
FRIO TX-MEDINA TX-
530 AM CDT FRI APR 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FRIO AND
SOUTHEASTERN MEDINA COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 2906 9879 2929 9879 2945 9841 2900 9842
TIME...MOT...LOC 1029Z 243DEG 29KT 2918 9871 

$$

TXC013-029-011100-
/O.CON.KEWX.SV.W.0052.000000T0000Z-160401T1100Z/
BEXAR TX-ATASCOSA TX-
530 AM CDT FRI APR 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT
FOR SOUTHWESTERN BEXAR AND NORTHWESTERN ATASCOSA COUNTIES...

AT 529 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SOMERSET...OR
11 MILES EAST OF DEVINE...MOVING NORTHEAST AT 35 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
SAN ANTONIO...POTEET...LYTLE...SOMERSET...LEMING...VON ORMY...ROSSVILLE...
SOUTHTON...MANGUS CORNER...ESPEY...MITCHELL LAKE...BUENA VISTA...MACDONA...
THELMA...LOSOYA AND BROOKS CITY BASE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 2906 9879 2929 9879 2945 9841 2900 9842
TIME...MOT...LOC 1029Z 243DEG 29KT 2918 9871 

HAIL...1.00IN
WIND...<50MPH
 
$$

CP

819 
WWUS54 KEWX 011045
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
545 AM CDT FRI APR 1 2016

TXC013-011054-
/O.CAN.KEWX.SV.W.0052.000000T0000Z-160401T1100Z/
ATASCOSA TX-
545 AM CDT FRI APR 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ATASCOSA 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 2920 9865 2931 9866 2945 9841 2912 9842
TIME...MOT...LOC 1044Z 246DEG 37KT 2925 9854 

$$

TXC029-011100-
/O.CON.KEWX.SV.W.0052.000000T0000Z-160401T1100Z/
BEXAR TX-
545 AM CDT FRI APR 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT
FOR SOUTHWESTERN BEXAR COUNTY...

AT 544 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SOMERSET...OR
14 MILES NORTH OF POTEET...MOVING NORTHEAST AT 45 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
SAN ANTONIO...SOMERSET...VON ORMY...SOUTHTON...MITCHELL LAKE...BUENA
VISTA...THELMA...LOSOYA AND BROOKS CITY BASE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 2920 9865 2931 9866 2945 9841 2912 9842
TIME...MOT...LOC 1044Z 246DEG 37KT 2925 9854 

HAIL...1.00IN
WIND...<50MPH
 
$$

CP

002 
WWUS54 KEWX 011052
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
552 AM CDT FRI APR 1 2016

TXC029-011102-
/O.EXP.KEWX.SV.W.0052.000000T0000Z-160401T1100Z/
BEXAR TX-
552 AM CDT FRI APR 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BEXAR COUNTY WILL
EXPIRE AT 600 AM 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
AND BRIEF HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
AUSTIN SAN ANTONIO.

LAT...LON 2920 9865 2931 9866 2945 9841 2912 9842
TIME...MOT...LOC 1050Z 246DEG 37KT 2925 9854 

$$

CP

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 1:34 AM CDT	Special Weather Statement	EWX	Kinney	26 min
Apr 1, 1:40 AM CDT	Special Weather Statement	EWX	Real	35 min
Apr 1, 1:45 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Real, Uvalde	60 min
Apr 1, 2:10 AM CDT	Special Weather Statement	EWX	Kerr	35 min
Apr 1, 2:40 AM CDT	Special Weather Statement	EWX	Kimble	20 min
Apr 1, 2:48 AM CDT	Special Weather Statement	EWX	Kinney	27 min
Apr 1, 2:51 AM CDT	Special Weather Statement	EWX	Kerr, Real	54 min
Apr 1, 2:58 AM CDT	Special Weather Statement	EWX	Gillespie	32 min
Apr 1, 3:09 AM CDT	Special Weather Statement	EWX	Zavala	36 min
Apr 1, 3:19 AM CDT	Special Weather Statement	EWX	Edwards	26 min
Apr 1, 3:20 AM CDT	Special Weather Statement	EWX	Kinney	25 min
Apr 1, 3:29 AM CDT	Severe Thunderstorm Warning	EWX	Zavala	48 min
Apr 1, 3:43 AM CDT	Special Weather Statement	EWX	Kinney, Uvalde	47 min
Apr 1, 3:50 AM CDT	Special Weather Statement	EWX	Kendall	40 min
Apr 1, 4:19 AM CDT	Special Weather Statement	EWX	Frio	41 min
Apr 1, 4:22 AM CDT	Special Weather Statement	EWX	Bandera, Kendall	38 min
Apr 1, 4:28 AM CDT	Special Weather Statement	EWX	Real, Uvalde	47 min
Apr 1, 4:31 AM CDT	Special Weather Statement	EWX	Blanco	44 min
Apr 1, 5:02 AM CDT	Special Weather Statement	EWX	Atascosa	43 min
Apr 1, 5:23 AM CDT	Special Weather Statement	EWX	Williamson	37 min
Apr 1, 5:55 AM CDT	Special Weather Statement	EWX	Wilson	35 min
Apr 1, 5:56 AM CDT	Special Weather Statement	EWX	Williamson	34 min
Apr 1, 6:27 AM CDT	Special Weather Statement	EWX	Guadalupe	33 min
Apr 1, 7:31 AM CDT	Special Weather Statement	EWX	Kendall	44 min
Apr 1, 8:11 AM CDT	Special Weather Statement	EWX	Comal	49 min
Apr 1, 8:59 AM CDT	Special Weather Statement	EWX	Hays, Travis	46 min
Apr 1, 9:47 AM CDT	Special Weather Statement	EWX	Bastrop, Lee	43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016 Every 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.