Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Corpus Christi, TX

October 15, 2021Jim Hogg County, Texas

NWS Corpus Christi, TX issued this special weather statement at Oct 15, 2021, 2:30 PM CDT for Jim Hogg County, Texas. It was in force for 30 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: Oct 15, 2021, 2:30 PM CDT (19:30 UTC)
Expired: Oct 15, 2021, 3:00 PM CDT
In force: 30 min
Issued by: NWS Corpus Christi, TX
Hail: 0.25 in
Wind: 30

County Jim Hogg County, TX

The radar

The Corpus Christi radar (KCRP), 137 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 151 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: 2150 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 10 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

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 Oct 15, 12:49 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Oct 15, 12:49 PM CDT, 1 hour 41 minutes before

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</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.
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        Please try again in a few minutes.
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Hazardous weather outlook, Oct 15, 4:47 AM CDT, 9 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Corpus Christi TX
447 AM CDT Fri Oct 15 2021

TXZ229>234-239>247-342>347-442-443-447-161000-
La Salle-McMullen-Live Oak-Bee-Goliad-Victoria-Webb-Duval-
Jim Wells-Inland Kleberg-Inland Nueces-Inland San Patricio-
Coastal Aransas-Inland Refugio-Inland Calhoun-Coastal Kleberg-
Coastal Nueces-Coastal San Patricio-Aransas Islands-
Coastal Refugio-Coastal Calhoun-Kleberg Islands-Nueces Islands-
Calhoun Islands-
447 AM CDT Fri Oct 15 2021

This hazardous weather outlook is for South Texas.

.DAY ONE...Today and Tonight

Isolated thunderstorms are expected today.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Low humidity levels and moderate northerly winds may result in an
elevated fire danger east on Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

GMZ230-235-250-255-270-275-161000-
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-
447 AM CDT Fri Oct 15 2021

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

.DAY ONE...Today and Tonight

Small Craft Advisory conditions are expected tonight.

Isolated thunderstorms are expected today and tonight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Small craft advisory conditions are likely Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

PH/BF

In the hours before

Special weather statement, Oct 15, 2:30 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Corpus Christi TX
230 PM CDT Fri Oct 15 2021

TXZ239-240-152000-
Webb TX-Duval TX-
230 PM CDT Fri Oct 15 2021

...A strong thunderstorm will impact portions of southwestern Duval
and southeastern Webb Counties through 300 PM CDT...

At 229 PM CDT, Doppler radar was tracking a strong thunderstorm near
Mirando City, or 15 miles west of Hebbronville, moving southeast at 5
mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Bruni and Mirando City.

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 2727 9901 2741 9907 2752 9872 2734 9861
      2734 9862 2736 9863 2735 9880 2727 9880
TIME...MOT...LOC 1929Z 319DEG 5KT 2736 9893

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

JCP

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 9:56 AM CDT	River Flood Warning	CRP	Calhoun, Goliad, Refugio, Victoria	4 days
Oct 15, 10:09 AM CDT	Gale Warning	CRP		27 hr
Oct 15, 10:10 AM CDT	Wind Advisory	CRP	Aransas, Calhoun, Kleberg, Nueces, Refugio, San Patricio	24 hr
Oct 15, 3:50 PM CDT	Special Weather Statement	CRP	Duval, Jim Wells	40 min
Oct 15, 5:01 PM CDT	Special Weather Statement	CRP	McMullen	44 min

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.