Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

June 21, 2021Brown County, Texas

NWS San Angelo, TX issued this special weather statement at Jun 21, 2021, 5:39 PM CDT for Brown County, Texas. It was in force for 51 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, 2021, 5:39 PM CDT (22:39 UTC)
Expired: Jun 21, 2021, 6:30 PM CDT
In force: 51 min
Issued by: NWS San Angelo, TX

County Brown County, TX

The radar

The Dyess AFB radar (KDYX), 76 km from the middle of the area, began a volume at 22:41 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 12:00Z, 10.7 hours before the alert went out and 304 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: 1049 J/kg
Mixed-layer CIN: -484 J/kg
Mixed-layer LCL: 2195 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 124 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 San Angelo, TX wrote its last area forecast discussion before this special weather statement went out at Jun 21, 2:00 PM CDT, 3 hours 39 minutes earlier.

Area forecast discussion, Jun 21, 2:00 PM CDT, 3 hours 39 minutes before

<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        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, 1:58 PM CDT, 3 hours 41 minutes before

Hazardous Weather Outlook
National Weather Service San Angelo TX
158 PM CDT Mon Jun 21 2021

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-221900-
Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Concho-
Crockett-Schleicher-Sutton-Haskell-Throckmorton-Jones-Shackelford-
Taylor-Callahan-Coleman-Brown-McCulloch-San Saba-Menard-Kimble-
Mason-
158 PM CDT Mon Jun 21 2021

This Hazardous Weather Outlook is for portions of west central
Texas.

.DAY ONE...This Afternoon and Tonight

Isolated to scattered thunderstorms will be possible this
afternoon and evening. Some of these storms may become strong to
severe. The main hazards will be strong, gusty winds and dangerous
lightning but there will also be a risk for large hail. In
addition, locally heavy rainfall from these storms could also
increase the risk of flash flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The threat for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...
Spotter activation may be requested this afternoon and evening.

In the hours before

Special weather statement, Jun 21, 5:25 PM CDT, 14 minutes before

Special Weather Statement
National Weather Service San Angelo TX
525 PM CDT Mon Jun 21 2021

TXZ066-139-212300-
Runnels TX-Coleman TX-
525 PM CDT Mon Jun 21 2021

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL COLEMAN AND
SOUTHEASTERN RUNNELS COUNTIES UNTIL 600 PM CDT...

At 524 PM CDT, Doppler radar was tracking a strong thunderstorm near
Benoit, moving southwest at 10 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Ballinger and Benoit.

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 3157 9978 3158 9983 3169 10004 3185 9983
      3174 9966
TIME...MOT...LOC 2224Z 037DEG 7KT 3174 9980

Special weather statement, Jun 21, 5:39 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service San Angelo TX
539 PM CDT Mon Jun 21 2021

TXZ140-212330-
Brown TX-
539 PM CDT Mon Jun 21 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BROWN COUNTY UNTIL 630
PM CDT...

At 539 PM CDT, Doppler radar was tracking a strong thunderstorm near
May, moving south at 15 mph.

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

Locations impacted include...
Brownwood, Early, Blanket, Byrds, Lake Brownwood State Park, May and
Owens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3171 9907 3208 9912 3208 9893 3204 9890
      3178 9876
TIME...MOT...LOC 2239Z 343DEG 15KT 3202 9901

SJH

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 5:25 PM CDT	Special Weather Statement	SJT	Runnels	35 min
Jun 21, 5:52 PM CDT	Special Weather Statement	SJT	Concho	38 min
Jun 21, 6:24 PM CDT	Special Weather Statement	SJT	Crockett	51 min
Jun 21, 6:45 PM CDT	Special Weather Statement	SJT	McCulloch	45 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.