Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Austin/San Antonio, TX

June 22, 2021Fayette County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jun 22, 2021, 3:13 AM CDT for Fayette County, Texas. It was in force for 47 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 22, 2021, 3:13 AM CDT (08:13 UTC)
Expired: Jun 22, 2021, 4:00 AM CDT
In force: 47 min
Issued by: NWS Austin/San Antonio, TX

County Fayette County, TX

The radar

The Austin/San Antonio radar (KEWX), 104 km from the middle of the area, began a volume at 08:15 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 00:00Z, 8.2 hours before the alert went out and 221 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: 3900 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: -0.2
Supercell composite: -1.1

Open this sounding in Storm Lab

The text

As transmitted.

335 
WWUS84 KEWX 220813
SPSEWX

Special Weather Statement
National Weather Service Austin/San Antonio TX
313 AM CDT Tue Jun 22 2021
 
TXZ193-208-209-223-225-220900-
Caldwell TX-Lavaca TX-Bastrop TX-Fayette TX-Gonzales TX-
313 AM CDT Tue Jun 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CALDWELL...
SOUTHEASTERN BASTROP...NORTHEASTERN GONZALES...SOUTHWESTERN FAYETTE
AND NORTHWESTERN LAVACA COUNTIES UNTIL 400 AM CDT...

At 312 AM CDT, Doppler radar was tracking a strong thunderstorm near
Schulenburg, moving southwest at 30 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Smithville, Schulenburg, Hallettsville, Flatonia, Moulton, Waelder,
Muldoon, Cistern, Rosanky, Komensky, Delhi, Swiss Alp, Henkhaus,
Dubina, Engle, Ammannsville, Thompsonville, Freyburg, Moravia and
Togo.

LAT...LON 2972 9678 2963 9687 2963 9686 2961 9684
      2940 9694 2967 9754 3003 9720 2979 9675
TIME...MOT...LOC 0812Z 023DEG 26KT 2976 9688 

$$

KCW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 9:12 PM CDT	Special Weather Statement	EWX	Val Verde	48 min
Jun 21, 9:25 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	65 min
Jun 21, 9:43 PM CDT	Special Weather Statement	EWX	Williamson	47 min
Jun 21, 10:25 PM CDT	Special Weather Statement	EWX	Burnet, Llano, Williamson	50 min
Jun 21, 10:35 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Travis	55 min
Jun 21, 10:51 PM CDT	Tornado Warning	EWX	Blanco, Burnet, Hays	24 min
Jun 21, 10:52 PM CDT	Areal Flood Advisory	EWX	Burnet, Williamson	3 hr
Jun 21, 11:08 PM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
Jun 21, 11:13 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie, Hays, Llano	62 min
Jun 21, 11:31 PM CDT	Areal Flood Advisory	EWX	Burnet, Travis, Williamson	3 hr
Jun 21, 11:53 PM CDT	Special Weather Statement	EWX	Gillespie	52 min
Jun 22, 12:00 AM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Llano	3 hr
Jun 22, 12:09 AM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Kendall, Kerr	39 min
Jun 22, 12:19 AM CDT	Special Weather Statement	EWX	Travis	41 min
Jun 22, 12:24 AM CDT	Special Weather Statement	EWX	Edwards	51 min
Jun 22, 12:30 AM CDT	Areal Flood Advisory	EWX	Williamson	3 hr
Jun 22, 12:47 AM CDT	Special Weather Statement	EWX	Bandera	43 min
Jun 22, 1:16 AM CDT	Special Weather Statement	EWX	Bandera, Medina, Real, Uvalde	44 min
Jun 22, 1:54 AM CDT	Special Weather Statement	EWX	Kinney	51 min
Jun 22, 2:08 AM CDT	Areal Flood Advisory	EWX	Edwards, Real	5 hr
Jun 22, 2:23 AM CDT	Special Weather Statement	EWX	Fayette	52 min
Jun 22, 2:52 AM CDT	Areal Flood Advisory	EWX	Edwards, Kinney, Uvalde, Val Verde	4 hr
Jun 22, 3:01 AM CDT	Special Weather Statement	EWX	Kinney	44 min
Jun 22, 4:00 AM CDT	Special Weather Statement	EWX	Gonzales	45 min
Jun 22, 4:33 AM CDT	Special Weather Statement	EWX	DeWitt, Gonzales	42 min
Jun 22, 5:22 AM CDT	Areal Flood Advisory	EWX	Bexar	3 hr

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement in 2021

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.