Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

July 16, 2021Hutchinson County, Texas

NWS Amarillo, TX issued this special weather statement at Jul 16, 2021, 8:26 PM CDT for Hutchinson County, Texas. It was in force for 34 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: Jul 16, 2021, 8:26 PM CDT (01:26 UTC)
Expired: Jul 16, 2021, 9:00 PM CDT
In force: 34 min
Issued by: NWS Amarillo, TX

County Hutchinson County, TX

The radar

The Amarillo radar (KAMA), 101 km from the middle of the area, began a volume at 01:26 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.4 hours before the alert went out and 101 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: 1114 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1778 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 Amarillo, TX wrote its last area forecast discussion before this special weather statement went out at Jul 16, 6:32 PM CDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jul 16, 6:32 PM CDT, 1 hour 54 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, Jul 16, 2:23 PM CDT, 6 hours 3 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
223 PM CDT Fri Jul 16 2021

OKZ001>003-TXZ001>020-317-171200-
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
223 PM CDT Fri Jul 16 2021

This Hazardous Weather Outlook is for the Texas and Oklahoma
Panhandles.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are possible late this afternoon and evening across
western sections of the Oklahoma and Texas Panhandles. Any storms
that form are expected to remain below severe levels at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Thunderstorms will be possible across most of the Oklahoma and
Texas Panhandles Saturday afternoon through Tuesday, and then
across western and southern sections of the area Tuesday night and
Wednesday. Overall, the probability of severe thunderstorms is
low at this time. However, the strongest storms will be capable of
producing heavy rainfall, mainly Saturday night and then again Sunday
afternoon and Sunday night, which may lead to localized flooding
or flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

Schneider

In the hours before

Special weather statement, Jul 16, 6:43 PM CDT, 1 hour 43 minutes before

Special Weather Statement
National Weather Service Amarillo TX
643 PM CDT Fri Jul 16 2021

OKZ001-170015-
Cimarron OK-
643 PM CDT Fri Jul 16 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL CIMARRON COUNTY
UNTIL 715 PM CDT...

At 642 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles northwest of Boise City. This storm was nearly stationary.

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

This storm will remain over mainly rural areas of north central
Cimarron County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3693 10277 3697 10255 3678 10241 3672 10276
TIME...MOT...LOC 2342Z 346DEG 4KT 3688 10265

MJG

Special weather statement, Jul 16, 7:47 PM CDT, 39 minutes before

Special Weather Statement
National Weather Service Amarillo TX
747 PM CDT Fri Jul 16 2021

TXZ006-007-011-170115-
Hartley TX-Moore TX-Oldham TX-
747 PM CDT Fri Jul 16 2021

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN OLDHAM...WEST CENTRAL
MOORE AND SOUTHEASTERN HARTLEY COUNTIES UNTIL 815 PM CDT...

At 746 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles northeast of Channing to 10 miles north
of Vega. Movement was north at 5 mph.

Dime size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Channing and Boys Ranch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3598 10229 3541 10256 3525 10235 3577 10211
TIME...MOT...LOC 0046Z 172DEG 5KT 3578 10222 3539 10239

DGW

Special weather statement, Jul 16, 8:24 PM CDT, 2 minutes before

Special Weather Statement
National Weather Service Amarillo TX
824 PM CDT Fri Jul 16 2021

TXZ011-170200-
Oldham TX-
824 PM CDT Fri Jul 16 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN OLDHAM COUNTY UNTIL
900 PM CDT...

At 824 PM CDT, Doppler radar was tracking a strong thunderstorm 13
miles west of Boys Ranch, or 15 miles north of Vega. This storm was
nearly stationary.

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

This storm will remain over mainly rural areas of northeastern Oldham
County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3563 10245 3563 10242 3545 10230 3533 10246
      3545 10267
TIME...MOT...LOC 0124Z 137DEG 4KT 3547 10249

DGW

Special weather statement, Jul 16, 8:26 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Amarillo TX
826 PM CDT Fri Jul 16 2021

TXZ003-004-008-009-170200-
Hutchinson TX-Ochiltree TX-Roberts TX-Hansford TX-
826 PM CDT Fri Jul 16 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HUTCHINSON...
SOUTHEASTERN HANSFORD...NORTHWESTERN ROBERTS AND SOUTHWESTERN
OCHILTREE COUNTIES UNTIL 900 PM CDT...

At 825 PM CDT, Doppler radar was tracking a strong thunderstorm 13
miles south of Spearman. This storm was nearly stationary.

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

This storm will remain over mainly rural areas of northeastern
Hutchinson, southeastern Hansford, northwestern Roberts and
southwestern Ochiltree Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3597 10095 3586 10116 3600 10136 3618 10110
TIME...MOT...LOC 0125Z 139DEG 2KT 3601 10114

DGW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 7:47 PM CDT	Special Weather Statement	AMA	Oldham	28 min
Jul 16, 8:02 PM CDT	Severe Thunderstorm Warning	AMA	Hartley	24 min
Jul 16, 8:24 PM CDT	Special Weather Statement	AMA	Oldham	36 min
Jul 17, 4:58 AM CDT	Special Weather Statement	AMA	Hansford	32 min
Jul 17, 5:33 AM CDT	Special Weather Statement	AMA	Hansford	27 min
Jul 17, 5:45 AM CDT	Severe Thunderstorm Warning	AMA	Hansford	30 min
Jul 17, 5:57 AM CDT	Areal Flood Advisory	AMA	Hansford	2 hr
Jul 17, 6:14 AM CDT	Special Weather Statement	AMA	Hansford	31 min
Jul 17, 2:30 PM CDT	Special Weather Statement	AMA	Sherman	60 min
Jul 17, 2:40 PM CDT	Areal Flood Advisory	AMA	Dallam	2 hr
Jul 17, 2:50 PM CDT	Special Weather Statement	AMA	Dallam	55 min
Jul 17, 3:00 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	60 min
Jul 17, 3:27 PM CDT	Special Weather Statement	AMA	Moore	63 min
Jul 17, 3:40 PM CDT	Special Weather Statement	AMA	Gray	65 min
Jul 17, 3:48 PM CDT	Severe Thunderstorm Warning	AMA	Gray	57 min
Jul 17, 3:55 PM CDT	Areal Flood Advisory	AMA	Dallam, Hartley	105 min
Jul 17, 3:59 PM CDT	Special Weather Statement	AMA	Sherman	61 min
Jul 17, 4:02 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	34 min
Jul 17, 4:46 PM CDT	Special Weather Statement	AMA	Wheeler	59 min
Jul 17, 4:52 PM CDT	Special Weather Statement	AMA	Armstrong	53 min
Jul 17, 4:56 PM CDT	Flash Flood Warning	AMA	Armstrong	98 min
Jul 17, 5:00 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	43 min
Jul 17, 5:38 PM CDT	Special Weather Statement	AMA	Donley	37 min
Jul 17, 6:01 PM CDT	Severe Thunderstorm Warning	AMA	Donley	24 min
Jul 17, 6:23 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	3 hr
Jul 17, 6:27 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	63 min
Jul 17, 3:29 AM CDT	Special Weather Statement	AMA	Texas	16 min
Jul 17, 9:05 AM CDT	Special Weather Statement	AMA	Texas	55 min
Jul 17, 1:41 PM CDT	Special Weather Statement	AMA	Cimarron	64 min
Jul 17, 3:35 PM CDT	Special Weather Statement	AMA	Texas	55 min
Jul 17, 3:45 PM CDT	Severe Thunderstorm Warning	AMA	Texas	60 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.