Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

May 18, 2021Concho County, Texas

NWS San Angelo, TX issued this special weather statement at May 18, 2021, 6:49 AM CDT for Concho 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: May 18, 2021, 6:49 AM CDT (11:49 UTC)
Expired: May 18, 2021, 7:15 AM CDT
In force: 26 min
Issued by: NWS San Angelo, TX

County Concho County, TX

The radar

The San Angelo radar (KSJT), 61 km from the middle of the area, began a volume at 11:49 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

Del Rio, TX (KDRT), launched 00:00Z, 11.8 hours before the alert went out and 218 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: 3577 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1068 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

As transmitted.

<!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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 May 18, 6:17 AM CDT, 32 minutes earlier.

Area forecast discussion, May 18, 6:17 AM CDT, 32 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, May 18, 3:44 AM CDT, 3 hours 5 minutes before

Hazardous Weather Outlook
National Weather Service San Angelo TX
344 AM CDT Tue May 18 2021

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-190845-
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-
344 AM CDT Tue May 18 2021

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

.DAY ONE...Today and Tonight

Strong to severe thunderstorms will continue through late this
morning. In addition to damaging wind gusts, heavy rainfall may
cause flash flooding in some areas.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The threat of strong to severe storms and and heavy rainfall will
continue across much of West Central Texas into Wednesday. After
a brief lull on Thursday, more storms will return for the upcoming
weekend.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will likely be needed. Please relay any
information about observed weather to the NWS while following all
local, state and CDC guidelines.

In the hours before

Special weather statement, May 18, 2:49 AM CDT, 4 hours before

Special Weather Statement
National Weather Service San Angelo TX
249 AM CDT Tue May 18 2021

TXZ073-180815-
Concho TX-
249 AM CDT Tue May 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL CONCHO COUNTY UNTIL 315
AM CDT...

At 249 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Eola, or 8 miles south of Paint Rock, moving northeast
at 20 mph.

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

Locations impacted include...
Paint Rock, Millersview and The Intersection Of Us-
83 And Ranch Road 765.

A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
west central Texas.

LAT...LON 3143 10009 3158 9981 3158 9978 3131 9967
      3125 10002
TIME...MOT...LOC 0749Z 243DEG 16KT 3139 9996

JW

Special weather statement, May 18, 4:25 AM CDT, 2 hours 24 minutes before

Special Weather Statement
National Weather Service San Angelo TX
425 AM CDT Tue May 18 2021

TXZ139-140-154-155-181000-
Coleman TX-McCulloch TX-Brown TX-San Saba TX-
425 AM CDT Tue May 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BROWN...SOUTHEASTERN
COLEMAN...NORTHEASTERN MCCULLOCH AND NORTHWESTERN SAN SABA COUNTIES
UNTIL 500 AM CDT...

At 425 AM CDT, Doppler radar was tracking a strong thunderstorm near
Winchell, moving east at 25 mph.

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

This strong thunderstorm will be near...
  Mercury around 435 AM CDT.
  Winchell around 440 AM CDT.
  Brookesmith around 450 AM CDT.
  Elm Grove around 455 AM CDT.

Other locations impacted by this storm include Whon, Indian Creek and
Milburn.

A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
west central Texas.

LAT...LON 3140 9892 3141 9933 3148 9935 3163 9898
      3151 9895 3149 9898 3147 9900 3144 9896
      3146 9895 3146 9894
TIME...MOT...LOC 0925Z 253DEG 20KT 3146 9926

Special weather statement, May 18, 5:03 AM CDT, 1 hour 46 minutes before

Special Weather Statement
National Weather Service San Angelo TX
503 AM CDT Tue May 18 2021

TXZ140-181045-
Brown TX-
503 AM CDT Tue May 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN BROWN COUNTY UNTIL 545
AM CDT...

At 503 AM CDT, Doppler radar was tracking a strong thunderstorm near
Brookesmith, moving northeast at 25 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Brownwood, Blanket, Zephyr, Brookesmith, Camp Bowie and Indian Creek.

A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
west central Texas.

LAT...LON 3169 9875 3167 9877 3161 9878 3147 9901
      3149 9903 3148 9905 3157 9914 3184 9876
      3170 9867
TIME...MOT...LOC 1003Z 241DEG 23KT 3154 9902

Daniels

Local storm report, May 18, 6:02 AM CDT, 47 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, May 18, 6:07 AM CDT, 42 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, May 18, 6:49 AM CDT, 0 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 7:06 PM CDT	Tornado Warning Tornado observed	SJT	Sterling	39 min
May 17, 7:19 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	SJT	Sterling	41 min
May 17, 7:24 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	66 min
May 17, 7:46 PM CDT	Special Weather Statement	SJT	Haskell	44 min
May 17, 7:55 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	SJT	Sterling	50 min
May 17, 8:06 PM CDT	Flash Flood Warning	SJT	Nolan	3 hr
May 17, 8:22 PM CDT	Special Weather Statement	SJT	Jones	53 min
May 17, 8:35 PM CDT	Special Weather Statement	SJT	Nolan	55 min
May 17, 8:40 PM CDT	Areal Flood Advisory	SJT	Fisher, Haskell, Jones, Throckmorton	2 hr
May 17, 8:42 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Sterling	36 min
May 17, 8:48 PM CDT	Special Weather Statement	SJT	Throckmorton	57 min
May 17, 9:00 PM CDT	Special Weather Statement	SJT	Shackelford	45 min
May 17, 9:06 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	32 min
May 17, 9:09 PM CDT	Areal Flood Advisory	SJT	Coke, Jones, Nolan, Shackelford, Taylor	111 min
May 17, 9:11 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Taylor	64 min
May 17, 9:24 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Jones, Shackelford, Taylor	51 min
May 17, 9:54 PM CDT	Special Weather Statement	SJT	Callahan	51 min
May 17, 10:03 PM CDT	Special Weather Statement	SJT	Runnels	42 min
May 17, 10:22 PM CDT	Severe Thunderstorm Warning	SJT	Coke	38 min
May 17, 10:52 PM CDT	Special Weather Statement	SJT	Brown, Coleman	38 min
May 18, 12:41 AM CDT	Special Weather Statement	SJT	Tom Green	49 min
May 18, 1:08 AM CDT	Severe Thunderstorm Warning	SJT	Concho, Tom Green	52 min
May 18, 1:36 AM CDT	Special Weather Statement	SJT	Fisher	24 min
May 18, 1:38 AM CDT	Special Weather Statement	SJT	Jones	37 min
May 18, 1:50 AM CDT	Severe Thunderstorm Warning	SJT	Fisher	25 min
May 18, 1:56 AM CDT	Special Weather Statement	SJT	Runnels	34 min
May 18, 1:59 AM CDT	Severe Thunderstorm Warning	SJT	Concho, Tom Green	46 min
May 18, 2:00 AM CDT	Areal Flood Advisory	SJT	Concho, Tom Green	2 hr
May 18, 2:11 AM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	38 min
May 18, 2:21 AM CDT	Special Weather Statement	SJT	Brown	24 min
May 18, 2:49 AM CDT	Special Weather Statement	SJT	Concho	26 min
May 18, 3:09 AM CDT	Areal Flood Advisory	SJT	Fisher, Jones	3 hr
May 18, 4:01 AM CDT	Flash Flood Warning	SJT	Fisher, Jones	3 hr
May 18, 4:18 AM CDT	Severe Thunderstorm Warning	SJT	Irion, Sterling, Tom Green	57 min
May 18, 4:25 AM CDT	Special Weather Statement	SJT	Brown	35 min
May 18, 4:27 AM CDT	Areal Flood Advisory	SJT	Crockett, Irion, Sterling, Tom Green	2 hr
May 18, 5:03 AM CDT	Special Weather Statement	SJT	Brown	42 min
May 18, 5:03 AM CDT	Severe Thunderstorm Warning	SJT	Coke, Irion, Sterling, Tom Green	57 min
May 18, 5:16 AM CDT	Areal Flood Advisory	SJT	Coke, Irion, Sterling, Tom Green	3 hr
May 18, 6:07 AM CDT	Special Weather Statement	SJT	Concho	38 min
May 18, 6:39 AM CDT	Areal Flood Advisory	SJT	Concho, Menard, Schleicher, Tom Green	3 hr
May 18, 7:15 AM CDT	Special Weather Statement	SJT	McCulloch	45 min
May 18, 7:30 AM CDT	Areal Flood Advisory	SJT	Schleicher	3 hr
May 18, 8:10 AM CDT	Special Weather Statement	SJT	Sutton	50 min
May 18, 9:05 AM CDT	Special Weather Statement	SJT	Sutton	40 min
May 18, 10:54 AM CDT	Special Weather Statement	SJT	Mason	36 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.