Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Corpus Christi, TX

August 4, 2017San Patricio County, Texas

NWS Corpus Christi, TX issued this special weather statement at Aug 4, 2017, 4:19 PM CDT for San Patricio County, Texas. It was in force for 26 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: Aug 4, 2017, 4:19 PM CDT (21:19 UTC)
Expired: Aug 4, 2017, 4:45 PM CDT
In force: 26 min
Issued by: NWS Corpus Christi, TX

County San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 53 km from the middle of the area, began a volume at 21:21 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 9.3 hours before the alert went out and 260 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: 1992 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 771 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -51 m²/s²
0-3 km storm-relative helicity: -38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Corpus Christi, TX wrote its last area forecast discussion before this special weather statement went out at Aug 4, 4:19 PM CDT, 0 minutes earlier.

Area forecast discussion, Aug 4, 4:19 PM CDT, 0 minutes before

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<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.
      </p>
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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, Aug 4, 5:28 AM CDT, 10 hours 51 minutes before

Hazardous Weather Outlook
National Weather Service Corpus Christi TX
528 AM CDT Fri Aug 4 2017

GMZ230-235-250-255-270-275-TXZ229>234-239>247-051030-
Bays and Waterways from Baffin Bay to Port Aransas-
Bays and Waterways from Port Aransas to Port O'Connor-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-Waters from Baffin Bay to Port Aransas from 20 to 60 NM-
Waters from Port Aransas to Matagorda Ship Channel from 20 to
60 NM-La Salle-McMullen-Live Oak-Bee-Goliad-Victoria-Webb-Duval-
Jim Wells-Kleberg-Nueces-San Patricio-Aransas-Refugio-Calhoun-
528 AM CDT Fri Aug 4 2017

This hazardous weather outlook is for South Texas and the Middle
Texas Coastal Waters.

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms are expected today. Severe
thunderstorms are not expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Scattered showers and thunderstorms are possible each day through
next week, with the greatest chances across the eastern half of the
region. Locally heavy rainfall may also accompany any of the showers
and thunderstorms but significant flooding is not expected at this
time.

Afternoon heat index values will be between 105 and 109 degrees
this weekend into next week across much of the area. Heat
advisories may also be needed over parts of the region as the
heat index climbs to or slightly above 110 degrees.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

TB/CB

In the hours before

Special weather statement, Aug 4, 3:50 PM CDT, 29 minutes before

Special Weather Statement
National Weather Service Corpus Christi TX
350 PM CDT FRI AUG 4 2017

TXZ231-232-244-042115-
Live Oak-Bee-San Patricio-
350 PM CDT FRI AUG 4 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN SAN PATRICIO...
EASTERN LIVE OAK AND SOUTH CENTRAL BEE COUNTIES...

At 349 PM CDT, a strong thunderstorm was located near Argenta, or 7
miles west of Skidmore, moving southeast at 15 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Mathis, Skidmore, Argenta, Papalote and Tynan.

LAT...LON 2819 9753 2818 9753 2806 9785 2833 9789
      2839 9775
TIME...MOT...LOC 2049Z 331DEG 14KT 2825 9781

TJC

Special weather statement, Aug 4, 4:19 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Corpus Christi TX
419 PM CDT FRI AUG 4 2017

TXZ232-244-246-042145-
Bee-Refugio-San Patricio-
419 PM CDT FRI AUG 4 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN SAN PATRICIO...
SOUTHWESTERN REFUGIO AND SOUTHEASTERN BEE COUNTIES...

At 418 PM CDT, a strong thunderstorm was located over Skidmore,
moving southeast at 15 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Skidmore, St. Paul, Papalote, Tynan and West Sinton.

LAT...LON 2837 9774 2822 9742 2799 9763 2817 9782
      2819 9781 2825 9785
TIME...MOT...LOC 2118Z 301DEG 13KT 2821 9770

TJC

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 4, 3:50 PM CDT	Special Weather Statement	CRP	Bee	25 min
Aug 4, 6:56 PM CDT	Special Weather Statement	CRP	Victoria	34 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.