Alert archive / Texas / Special Weather Statements in 2019

Special Weather Statement, NWS Austin/San Antonio, TX

June 21, 2019Val Verde County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jun 21, 2019, 8:53 PM CDT for Val Verde County, Texas. It was in force for 67 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 21, 2019, 8:53 PM CDT (01:53 UTC)
Expired: Jun 21, 2019, 10:00 PM CDT
In force: 67 min
Issued by: NWS Austin/San Antonio, TX

County Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 71 km from the middle of the area, began a volume at 01:54 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

Midland Regional, TX (KMAF), launched 00:00Z, 1.9 hours before the alert went out and 298 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: 1554 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 2719 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this special weather statement went out at Jun 21, 7:02 PM CDT, 1 hour 51 minutes earlier.

Area forecast discussion, Jun 21, 7:02 PM CDT, 1 hour 51 minutes before

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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Jun 21, 7:03 PM CDT, 1 hour 50 minutes before

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
703 PM CDT Fri Jun 21 2019

TXZ171>173-183>194-202>209-217>225-228-230015-
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde-
Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
703 PM CDT Fri Jun 21 2019

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Tonight.

Isolated thunderstorms along the Rio Grande may be capable of
gusty winds this evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Isolated to scattered thunderstorms will be possible across South
Central Texas Saturday through Tuesday. Stronger storms may be
capable of gusty winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Special weather statement, Jun 21, 8:53 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
853 PM CDT Fri Jun 21 2019

TXZ183-220300-
Val Verde TX-
853 PM CDT Fri Jun 21 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN VAL VERDE COUNTY
UNTIL 1000 PM CDT...

At 853 PM CDT, Doppler radar was tracking a strong thunderstorm over
Amistad Recreation Area - Black Brush Point, or 7 miles northwest of
Del Rio, moving north at 20 mph.

Penny size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Del Rio, Lake View, Amistad Village, Amistad Recreation Area -
Governors Landing, Amistad Recreation Area - Diablo East, Amistad
Recreation Area - Black Brush Point, Amistad Acres, Amistad
Recreation Area - Long Point, Val Verde Park, Cienegas Terrace, Box
Canyon, Laughlin AFB, Devils Shores, Pafford Crossing, Amistad
Recreation Area - Rock Quarry Campground, Devils River SNA - Big
Satan, Amistad Recreation Area - San Pedro Canyon, Amistad Recreation
Area - Rough Canyon, Amistad Recreation Area - Spur 406 Campground
and Salem Point.

LAT...LON 2982 10106 2971 10070 2969 10070 2926 10081
      2928 10087 2931 10089 2933 10094 2935 10095
      2936 10100 2944 10106 2946 10106 2948 10113
      2947 10115 2950 10117
TIME...MOT...LOC 0153Z 193DEG 18KT 2945 10098

BMW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 9:05 PM CDT	Special Weather Statement	EWX	Kinney	55 min
Jun 21, 9:18 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick, Val Verde	57 min
Jun 21, 9:49 PM CDT	Areal Flood Advisory	EWX	Kinney, Maverick, Val Verde	3 hr
Jun 21, 9:50 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Maverick, Uvalde, Val Verde, Zavala	55 min
Jun 21, 10:05 PM CDT	Special Weather Statement	EWX	Dimmit, Maverick, Zavala	55 min
Jun 21, 10:10 PM CDT	Areal Flood Advisory	EWX	Maverick	2 hr
Jun 21, 10:27 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Maverick, Zavala	63 min
Jun 21, 10:46 PM CDT	Special Weather Statement	EWX	Kinney, Uvalde	59 min
Jun 21, 11:29 PM CDT	Special Weather Statement	EWX	Dimmit, Uvalde, Zavala	61 min
Jun 22, 12:17 AM CDT	Special Weather Statement	EWX	Atascosa, Frio, Medina	58 min
Jun 22, 1:58 AM CDT	Special Weather Statement	EWX	Atascosa, Bexar, Comal, Wilson	47 min
Jun 22, 5:31 PM CDT	Special Weather Statement	EWX	Hays	44 min
Jun 22, 5:39 PM CDT	Special Weather Statement	EWX	Blanco	51 min

Nearby

Special Weather Statements in Texas, 2019 Every special weather statement in 2019

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.