Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

April 15, 2021Comanche County, Texas

NWS Fort Worth, TX issued this special weather statement at Apr 15, 2021, 3:17 PM CDT for Comanche County, Texas. It was in force for 28 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: Apr 15, 2021, 3:17 PM CDT (20:17 UTC)
Expired: Apr 15, 2021, 3:45 PM CDT
In force: 28 min
Issued by: NWS Fort Worth, TX

County Comanche County, TX

The radar

The Dyess AFB radar (KDYX), 105 km from the middle of the area, began a volume at 20:17 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

Fort Worth, TX (KFWD), launched 12:00Z, 8.3 hours before the alert went out and 170 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 629 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Fort Worth, TX wrote its last area forecast discussion before this special weather statement went out at Apr 15, 2:30 PM CDT, 47 minutes earlier.

Area forecast discussion, Apr 15, 2:30 PM 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>

Hazardous weather outlook, Apr 15, 2:43 AM CDT, 12 hours 34 minutes before

Hazardous Weather Outlook
National Weather Service Fort Worth TX
243 AM CDT Thu Apr 15 2021

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-160745-
Montague-Cooke-Grayson-Fannin-Lamar-Young-Jack-Wise-Denton-Collin-
Hunt-Delta-Hopkins-Stephens-Palo Pinto-Parker-Tarrant-Dallas-
Rockwall-Kaufman-Van Zandt-Rains-Eastland-Erath-Hood-Somervell-
Johnson-Ellis-Henderson-Comanche-Mills-Hamilton-Bosque-Hill-Navarro-
Freestone-Anderson-Lampasas-Coryell-Bell-McLennan-Falls-Limestone-
Leon-Milam-Robertson-
243 AM CDT Thu Apr 15 2021

This Hazardous Weather Outlook is for North and Central Texas.

.DAY ONE...Today and Tonight.
Scattered showers and thunderstorms will continue across eastern
North Texas prior to daybreak, and mainly in areas along and west of
Interstate 35 this afternoon. While widespread severe weather is not
anticipated, a few thunderstorms may produce hail today and this
evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Intermittent storm chances will continue through Friday evening
across all of North and Central Texas. The severe weather threat will
generally be low during this time, but a few strong to marginally
severe storms will be possible late Thursday into Friday. Hail is the
main hazard that may be encountered.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.

In the hours before

Special weather statement, Apr 15, 9:38 AM CDT, 5 hours 39 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
938 AM CDT Thu Apr 15 2021

TXZ115-129-151515-
Stephens TX-Eastland TX-
938 AM CDT Thu Apr 15 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL EASTLAND AND
SOUTHERN STEPHENS COUNTIES UNTIL 1015 AM CDT...

At 937 AM CDT, Doppler radar was tracking a strong thunderstorm near
Gunsight, or 8 miles south of Breckenridge, moving east at 35 mph.

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

 Locations impacted include...
Breckenridge, Ranger, Necessity and Gunsight.

LAT...LON 3276 9902 3275 9858 3268 9857 3267 9857
      3267 9858 3260 9857 3245 9858 3251 9905
TIME...MOT...LOC 1437Z 273DEG 31KT 3263 9891

Barnes

Special weather statement, Apr 15, 12:08 PM CDT, 3 hours 9 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
1208 PM CDT Thu Apr 15 2021

TXZ142-151745-
Mills TX-
1208 PM CDT Thu Apr 15 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MILLS COUNTY UNTIL
1245 PM CDT...

At 1208 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles south of Camp Bowie, or 13 miles south of Brownwood, moving
northeast at 45 mph.

Penny size hail will be possible with this storm.

 Locations impacted include...
Mullin.

LAT...LON 3149 9899 3161 9878 3169 9876 3172 9850
      3166 9844 3144 9887 3144 9889 3143 9890
      3143 9893 3146 9894 3144 9896 3146 9897
      3147 9900
TIME...MOT...LOC 1708Z 219DEG 41KT 3152 9892

Barnes

Special weather statement, Apr 15, 1:48 PM CDT, 1 hour 29 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
148 PM CDT Thu Apr 15 2021

TXZ115-116-151915-
Palo Pinto TX-Stephens TX-
148 PM CDT Thu Apr 15 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN STEPHENS AND PALO
PINTO COUNTIES UNTIL 215 PM CDT...

At 148 PM CDT, Doppler radar was tracking a strong thunderstorm near
Possum Kingdom State Park, or 20 miles south of Graham, moving east
at 55 mph.

Nickel size hail will be possible with this storm.

 Locations impacted include...
Mineral Wells, Graford and Possum Kingdom State Park.

LAT...LON 3295 9871 3294 9806 3254 9807 3265 9871
TIME...MOT...LOC 1848Z 271DEG 47KT 3281 9856

Barnes

Special weather statement, Apr 15, 3:17 PM 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 Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 14, 8:48 PM CDT	Special Weather Statement	FWD	Montague	27 min
Apr 14, 9:55 PM CDT	Special Weather Statement	FWD	Grayson	35 min
Apr 15, 9:38 AM CDT	Special Weather Statement	FWD	Stephens	37 min
Apr 15, 12:08 PM CDT	Special Weather Statement	FWD	Mills	37 min
Apr 15, 1:08 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	67 min
Apr 15, 1:48 PM CDT	Special Weather Statement	FWD	Palo Pinto	27 min
Apr 15, 2:22 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas, Mills	15 min
Apr 15, 3:41 PM CDT	Special Weather Statement	FWD	Hamilton	34 min
Apr 15, 4:01 PM CDT	Special Weather Statement	FWD	Bell	29 min
Apr 15, 4:21 PM CDT	Special Weather Statement	FWD	Falls	24 min
Apr 15, 4:23 PM CDT	Special Weather Statement	FWD	Milam	37 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.