Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Austin/San Antonio, TX

June 5, 2017Gonzales County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jun 5, 2017, 5:57 PM CDT for Gonzales County, Texas. It was in force for 48 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: Jun 5, 2017, 5:57 PM CDT (22:57 UTC)
Expired: Jun 5, 2017, 6:45 PM CDT
In force: 48 min
Issued by: NWS Austin/San Antonio, TX

County Gonzales County, TX

The radar

The Austin/San Antonio radar (KEWX), 43 km from the middle of the area, began a volume at 23:01 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, 11.0 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: 1436 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 944 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

As transmitted.

310 
WWUS84 KEWX 052257
SPSEWX

Special Weather Statement
National Weather Service Austin/San Antonio TX
557 PM CDT MON JUN 5 2017
 
TXZ207-223-052345-
Guadalupe TX-Gonzales TX-
557 PM CDT MON JUN 5 2017

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL GUADALUPE AND
CENTRAL GONZALES COUNTIES UNTIL 645 PM CDT...

At 557 PM CDT, Doppler radar was tracking a strong thunderstorm over
Palmeto, or 7 miles south of Luling, moving south at 25 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Gonzales, Palmeto, Leesville, Oak Forest, Ottine, Hamon, Belmont,
Bebe, Cost and Monthalia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2938 9777 2963 9773 2965 9762 2964 9762
      2964 9760 2963 9759 2966 9755 2966 9753
      2939 9736
TIME...MOT...LOC 2257Z 351DEG 22KT 2958 9762 

$$

ALLEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 7:07 PM CDT	Special Weather Statement	EWX	Lee	38 min
Jun 4, 7:10 PM CDT	Special Weather Statement	EWX	Kendall	50 min
Jun 4, 7:17 PM CDT	Special Weather Statement	EWX	Comal	43 min
Jun 4, 7:49 PM CDT	Special Weather Statement	EWX	Kendall	41 min
Jun 4, 8:15 PM CDT	Special Weather Statement	EWX	Bexar	45 min
Jun 4, 8:24 PM CDT	Special Weather Statement	EWX	Bandera	51 min
Jun 4, 8:53 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina	52 min
Jun 4, 9:30 PM CDT	Severe Thunderstorm Warning	EWX	Medina	60 min
Jun 4, 9:55 PM CDT	Special Weather Statement	EWX	Uvalde, Zavala	50 min
Jun 4, 10:02 PM CDT	Severe Thunderstorm Warning	EWX	Frio, Medina	58 min
Jun 4, 10:48 PM CDT	Special Weather Statement	EWX	Frio	42 min
Jun 4, 10:53 PM CDT	Special Weather Statement	EWX	Kerr, Real	52 min
Jun 4, 10:55 PM CDT	Special Weather Statement	EWX	Atascosa	50 min
Jun 4, 11:07 PM CDT	Special Weather Statement	EWX	Gillespie	38 min
Jun 5, 12:23 AM CDT	Special Weather Statement	EWX	Uvalde	37 min
Jun 5, 4:28 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	47 min
Jun 5, 3:33 PM CDT	Special Weather Statement	EWX	Burnet	42 min
Jun 5, 4:28 PM CDT	Special Weather Statement	EWX	Travis	47 min
Jun 5, 4:47 PM CDT	Special Weather Statement	EWX	Hays	58 min
Jun 5, 4:48 PM CDT	Special Weather Statement	EWX	Travis, Williamson	57 min
Jun 5, 5:21 PM CDT	Areal Flood Advisory	EWX	Travis, Williamson	114 min
Jun 5, 5:30 PM CDT	Special Weather Statement	EWX	Travis	45 min
Jun 5, 6:05 PM CDT	Special Weather Statement	EWX	Wilson	55 min
Jun 5, 6:11 PM CDT	Special Weather Statement	EWX	Guadalupe	49 min
Jun 5, 6:37 PM CDT	Special Weather Statement	EWX	Gonzales	68 min
Jun 5, 6:47 PM CDT	Special Weather Statement	EWX	Atascosa	58 min

Nearby

Special Weather Statements in Texas, 2017 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.