Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS Austin/San Antonio, TX

March 18, 2016Dimmit County, Maverick County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 18, 2016, 9:04 PM CDT for Dimmit County, Maverick County, Texas. It was in force for 56 min. 1 report 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
Mar 18, 2016, 9:04 PM CDT (02:04 UTC)
Expired
Mar 18, 2016, 10:00 PM CDT
In force
56 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Dimmit County, TX, Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 107 km from the middle of the area, began a volume at 02:04 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
Mar 18, 9:59 PM CDTHAIL 1Big Wells, TX

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 18, 4:09 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 2.1 hours before the alert went out and 139 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 2016-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2498 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 2016-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
2498 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1007 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

817 
WUUS54 KEWX 190204
SVREWX
TXC127-323-190300-
/O.NEW.KEWX.SV.W.0039.160319T0204Z-160319T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
904 PM CDT FRI MAR 18 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DIMMIT COUNTY IN SOUTH CENTRAL TEXAS...
  SOUTHEASTERN MAVERICK COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 1000 PM CDT

* AT 902 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR COMETA TO 6 MILES NORTH OF CHUPADERA RANCH
  AIRPORT TO 18 MILES SOUTH OF EL INDIO...MOVING SOUTHEAST AT 20 MPH.
  A SEVERE THUNDERSTORM WAS ALSO LOCATED ABOUT 5 MILES EAST OF BIG
  WELLS...WAS STATIONARY. 

  HAZARD...GOLF 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...
  CARRIZO SPRINGS...BIG WELLS...ASHERTON...LAS VEGAS...WINTER HAVEN...
  CATARINA...BRUNDAGE...LIGHT...CARRIZO HILL...GILSON GROVES AND FARIAS
  LAKE.

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 THESE STORMS. 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.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 2823 10022 2824 10026 2828 10029 2833 10030
      2864 10010 2864 9939 2821 9940 2820 10021
TIME...MOT...LOC 0202Z 331DEG 17KT 2860 9997 2828 10011 2825 10026 

HAIL...1.75IN
WIND...60MPH
 
$$

CP
2 follow-up statements
917 
WWUS54 KEWX 190217
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
917 PM CDT FRI MAR 18 2016

TXC323-190225-
/O.CAN.KEWX.SV.W.0039.000000T0000Z-160319T0300Z/
MAVERICK TX-
917 PM CDT FRI MAR 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MAVERICK COUNTY
IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTH CENTRAL TEXAS.

LAT...LON 2864 10010 2864 9939 2821 9940 2820 10011
TIME...MOT...LOC 0215Z 274DEG 11KT 2861 9992 2829 10008 

$$

TXC127-190300-
/O.CON.KEWX.SV.W.0039.000000T0000Z-160319T0300Z/
DIMMIT TX-
917 PM CDT FRI MAR 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR DIMMIT COUNTY...

AT 915 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WINTER HAVEN TO 6 MILES NORTH OF CHUPADERA RANCH
AIRPORT...MOVING EAST AT 10 MPH. SEVERE THUNDERSTORMS WERE ALSO
LOCATED 10 MILES SOUTH OF CARRIZO SPRINGS AND 5 MILES EAST OF
BIG WELL...AND WERE STATIONARY.

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...
CARRIZO SPRINGS...BIG WELLS...ASHERTON...LAS VEGAS...WINTER HAVEN...
CATARINA...BRUNDAGE...LIGHT...CARRIZO HILL AND GILSON GROVES.

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 THESE STORMS. 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.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 2864 10010 2864 9939 2821 9940 2820 10011
TIME...MOT...LOC 0215Z 274DEG 11KT 2861 9992 2829 10008 

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

CP
875 
WWUS54 KEWX 190232
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
932 PM CDT FRI MAR 18 2016

TXC127-190300-
/O.CON.KEWX.SV.W.0039.000000T0000Z-160319T0300Z/
DIMMIT TX-
932 PM CDT FRI MAR 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR DIMMIT COUNTY...

AT 929 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 13 MILES SOUTHWEST
OF CARRIZO SPRINGS...MOVING SOUTHEAST AT 15 MPH. A SEVERE
THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST OF CARRIZO
SPRINGS...MOVING EAST AT 10 MPH. A SEVERE THUNDERSTORM WAS LOCATED
10 MILES SOUTHEAST OF CATARINA...MOVING SOUTHWEST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
CARRIZO SPRINGS...BIG WELLS...ASHERTON...LAS VEGAS...WINTER HAVEN...
CATARINA...BRUNDAGE...LIGHT...CARRIZO HILL AND GILSON GROVES.

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.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 2864 10010 2864 9939 2821 9940 2820 10011
TIME...MOT...LOC 0229Z 303DEG 12KT 2836 9998 

HAIL...1.25IN
WIND...60MPH
 
$$

CP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 7:14 PM CDTSevere Thunderstorm WarningEWXBandera, Real, Uvalde61 min
Mar 18, 7:18 PM CDTSpecial Weather StatementEWXKinney57 min
Mar 18, 7:20 PM CDTSpecial Weather StatementEWXBexar, Medina55 min
Mar 18, 7:30 PM CDTSpecial Weather StatementEWXTravis45 min
Mar 18, 7:44 PM CDTSevere Thunderstorm WarningEWXCaldwell, Comal, Gonzales, Guadalupe, Hays46 min
Mar 18, 8:01 PM CDTSpecial Weather StatementEWXWilson29 min
Mar 18, 8:14 PM CDTSpecial Weather StatementEWXTravis31 min
Mar 18, 8:19 PM CDTSpecial Weather StatementEWXAtascosa, Bexar, Frio, Medina, Uvalde41 min
Mar 18, 8:30 PM CDTSevere Thunderstorm WarningEWXCaldwell, Gonzales, Guadalupe45 min
Mar 18, 8:33 PM CDTSevere Thunderstorm WarningEWXBexar, Gonzales, Guadalupe, Karnes, Wilson42 min
Mar 18, 8:43 PM CDTSpecial Weather StatementEWXDimmit, Zavala62 min
Mar 18, 9:10 PM CDTSpecial Weather StatementEWXAtascosa, Frio, Kinney, Uvalde50 min
Mar 18, 9:11 PM CDTAreal Flood AdvisoryEWXDimmit3 hr
Mar 18, 9:17 PM CDTSevere Thunderstorm WarningEWXDeWitt, Gonzales, Karnes, Wilson58 min
Mar 18, 9:27 PM CDTSpecial Weather StatementEWXMaverick33 min
Mar 18, 9:41 PM CDTAreal Flood AdvisoryEWXKarnes, Wilson2 hr
Mar 18, 9:43 PM CDTSpecial Weather StatementEWXBurnet47 min
Mar 18, 9:57 PM CDTSevere Thunderstorm WarningEWXDimmit, Zavala32 min
Mar 18, 10:00 PM CDTSpecial Weather StatementEWXMaverick45 min
Mar 18, 10:05 PM CDTSpecial Weather StatementEWXGonzales40 min
Mar 18, 10:25 PM CDTSpecial Weather StatementEWXDeWitt35 min
Mar 18, 10:38 PM CDTSpecial Weather StatementEWXMaverick, Zavala52 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.