Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 101, NWS Austin/San Antonio, TX

May 10, 2017Kinney County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 10, 2017, 8:19 PM CDT for Kinney County, Texas. It was in force for 41 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
May 10, 2017, 8:19 PM CDT (01:19 UTC)
Expired
May 10, 2017, 9:00 PM CDT
In force
41 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
2.0 in
Wind
60.0 mph

County Kinney County, TX

The radar

The Laughlin AFB radar (KDFX), 16 km from the middle of the area, began a volume at 01:18 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
May 10, 8:58 PM CDTHAIL 1Brackettville, 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, 1.3 hours before the alert went out and 42 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 2017-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1530 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 2017-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.1939587897Sfc1 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
1530 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1468 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.4

Open this sounding in Storm Lab

The text

As transmitted.

265 
WUUS54 KEWX 110119
SVREWX
TXC271-110200-
/O.NEW.KEWX.SV.W.0101.170511T0119Z-170511T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
819 PM CDT WED MAY 10 2017

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Central Kinney County in south central Texas...

* Until 900 PM CDT

* At 819 PM CDT, a severe thunderstorm was located over Standart, or
  10 miles west of Brackettville, moving east at 30 mph.

  HAZARD...Two inch 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...
  Brackettville, Alamo Village, Standart, Amanda and Turkey Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail, damaging winds, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's 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 2941 10069 2957 10013 2938 10011 2920 10011
      2927 10069
TIME...MOT...LOC 0119Z 265DEG 26KT 2933 10058 

HAIL...2.00IN
WIND...60MPH
 
$$

RUNYEN
1 follow-up statement
566 
WWUS54 KEWX 110146
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
846 PM CDT WED MAY 10 2017

TXC271-110200-
/O.CON.KEWX.SV.W.0101.000000T0000Z-170511T0200Z/
Kinney TX-
846 PM CDT WED MAY 10 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHEASTERN KINNEY COUNTY...

At 845 PM CDT, a severe thunderstorm was located near Brackettville,
moving east at 30 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...
Brackettville, Alamo Village and Turkey Mountain. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's 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 2941 10055 2957 10013 2938 10011 2920 10011
      2927 10055
TIME...MOT...LOC 0145Z 265DEG 26KT 2935 10036 

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

RUNYEN

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:33 PM CDTSpecial Weather StatementEWXKinney42 min
May 10, 7:34 PM CDTSpecial Weather StatementEWXKinney41 min
May 10, 7:38 PM CDTSevere Thunderstorm WarningEWXKinney, Val Verde52 min
May 10, 8:58 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde47 min
May 10, 9:43 PM CDTSevere Thunderstorm WarningEWXUvalde40 min
May 10, 10:21 PM CDTSpecial Weather StatementEWXVal Verde39 min
May 10, 10:35 PM CDTTornado WarningEWXVal Verde40 min
May 10, 11:13 PM CDTSevere Thunderstorm WarningEWXEdwards, Kinney, Val Verde47 min
May 11, 5:00 PM CDTSpecial Weather StatementEWXTravis45 min
May 11, 5:05 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson40 min
May 11, 5:40 PM CDTSpecial Weather StatementEWXWilliamson35 min
May 11, 6:17 PM CDTSpecial Weather StatementEWXWilliamson43 min
May 11, 6:51 PM CDTSpecial Weather StatementEWXLee39 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning in 2017

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.