Alert archive / Oklahoma / Special Weather Statements in 2018

Special Weather Statement, NWS Amarillo, TX

August 8, 2018Cimarron County, Oklahoma

NWS Amarillo, TX issued this special weather statement at Aug 8, 2018, 4:38 PM CDT for Cimarron County, Oklahoma. It was in force for 37 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: Aug 8, 2018, 4:38 PM CDT (21:38 UTC)
Expired: Aug 8, 2018, 5:15 PM CDT
In force: 37 min
Issued by: NWS Amarillo, TX

County Cimarron County, OK

The radar

The Pueblo radar (KPUX), 208 km from the middle of the area, began a volume at 21:41 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.6 hours before the alert went out and 214 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: 30 J/kg
Mixed-layer CIN: -291 J/kg
Mixed-layer LCL: 2381 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -57 m²/s²
0-3 km storm-relative helicity: -19 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 Amarillo, TX wrote its last area forecast discussion before this special weather statement went out at Aug 8, 3:22 PM CDT, 1 hour 16 minutes earlier.

Area forecast discussion, Aug 8, 3:22 PM CDT, 1 hour 16 minutes before

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</head>
<body>
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 8, 3:10 PM CDT, 1 hour 28 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
310 PM CDT Wed Aug 8 2018

OKZ001>003-TXZ001>020-317-091100-
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-
310 PM CDT Wed Aug 8 2018

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

.DAY ONE...This Afternoon and Tonight.

Scattered to numerous thunderstorms are expected this evening and
tonight across the Texas and Oklahoma Panhandles. Some storms may
become strong to marginally severe, with brief gusty winds the
being primary hazard. In addition, the strongest storms may
produce heavy rainfall, which could lead to localized flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorms are expected across parts of the Panhandles through
Tuesday. Some of the storms may become strong to marginally
severe, with damaging winds and hail as the main threats. Heavy
rainfall may also lead to localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

Schneider

In the hours before

Special weather statement, Aug 8, 4:38 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Amarillo TX
438 PM CDT WED AUG 8 2018

OKZ001-082215-
Cimarron OK-
438 PM CDT WED AUG 8 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CIMARRON COUNTY
UNTIL 515 PM CDT...

At 437 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Kenton, or 31 miles northwest of Boise City, moving
south at 20 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Black Mesa Park and Kenton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3700 10279 3682 10269 3674 10300 3700 10300
TIME...MOT...LOC 2137Z 344DEG 18KT 3702 10294

TLH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 12:48 AM CDT	Special Weather Statement	AMA	Deaf Smith, Oldham	42 min
Aug 8, 1:22 AM CDT	Special Weather Statement	AMA	Deaf Smith, Randall	53 min
Aug 8, 1:39 AM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Potter, Randall	66 min
Aug 8, 3:41 AM CDT	Special Weather Statement	AMA	Carson	34 min
Aug 8, 4:01 AM CDT	Areal Flood Advisory	AMA	Oldham	119 min
Aug 8, 4:48 AM CDT	Special Weather Statement	AMA	Lipscomb	27 min
Aug 8, 6:48 PM CDT	Special Weather Statement	AMA	Sherman	27 min
Aug 8, 4:04 AM CDT	Special Weather Statement	AMA	Beaver	41 min
Aug 8, 4:55 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	65 min
Aug 8, 5:05 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	40 min

Nearby

Special Weather Statements in Oklahoma, 2018 Every special weather statement in 2018

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.