Alert archive / Oklahoma / Special Weather Statements in 2021
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at Jul 16, 2021, 6:43 PM CDT for Cimarron County, Oklahoma. It was in force for 32 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, 6:43 PM CDT (23:43 UTC)
- Expired
- Jul 16, 2021, 7:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Amarillo, TX
County Cimarron County, OK
The radar
The Amarillo radar (KAMA), 200 km from the middle of the area, began a volume at 23:43 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, 11.7 hours before the alert went out and 201 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.
- Mixed-layer CAPE
- 255 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 1409 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
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</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, 11 minutes earlier.
Area forecast discussion, Jul 16, 6:32 PM CDT, 11 minutes before
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<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.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jul 16, 2:23 PM CDT, 4 hours 20 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, 0 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
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:01 PM CDT | Areal Flood Advisory | AMA | Moore | 3 hr |
| Jul 15, 7:21 PM CDT | Special Weather Statement | AMA | Moore | 24 min |
| Jul 15, 7:31 PM CDT | Special Weather Statement | AMA | Lipscomb | 29 min |
| Jul 15, 7:40 PM CDT | Areal Flood Advisory | AMA | Lipscomb, Ochiltree | 2 hr |
| Jul 15, 7:41 PM CDT | Special Weather Statement | AMA | Hansford | 34 min |
| Jul 15, 7:58 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb, Ochiltree | 47 min |
Nearby
Special Weather Statements in Oklahoma, 2021Every 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.