Alert archive / Oklahoma / Special Weather Statements in 2021
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at May 7, 2021, 1:23 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
- May 7, 2021, 1:23 PM CDT (18:23 UTC)
- Expired
- May 7, 2021, 2:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Amarillo, TX
County Cimarron County, OK
The radar
The Amarillo radar (KAMA), 195 km from the middle of the area, began a volume at 18:25 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, 6.4 hours before the alert went out and 196 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1870 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 598 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 May 7, 12:46 PM CDT, 37 minutes earlier.
Area forecast discussion, May 7, 12:46 PM CDT, 37 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 7, 3:28 AM CDT, 9 hours 55 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>In the hours before
Special weather statement, May 7, 1:23 PM CDT, 0 minutes before
Special Weather Statement National Weather Service Amarillo TX 123 PM CDT Fri May 7 2021 OKZ001-071900- Cimarron OK- 123 PM CDT Fri May 7 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CIMARRON COUNTY UNTIL 200 PM CDT... At 123 PM CDT, Doppler radar was tracking a strong thunderstorm 10 miles northwest of Boise City, moving east at 15 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Boise City, Kenton, Wheeless and Black Mesa Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3698 10236 3663 10235 3667 10300 3690 10300 TIME...MOT...LOC 1823Z 268DEG 14KT 3681 10268 Ward
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 2:42 PM CDT | Fire Weather Watch | AMA | Dallam, Deaf Smith, Hartley, Oldham | 13 hr |
| May 7, 3:33 PM CDT | Special Weather Statement | AMA | Moore | 57 min |
| May 7, 4:33 PM CDT | Special Weather Statement | AMA | Oldham | 57 min |
| May 7, 4:38 PM CDT | Special Weather Statement | AMA | Dallam | 67 min |
| May 7, 4:47 PM CDT | Special Weather Statement | AMA | Potter | 58 min |
| May 7, 4:52 PM CDT | Severe Thunderstorm Warning | AMA | Oldham | 68 min |
| May 7, 5:00 PM CDT | Special Weather Statement | AMA | Lipscomb | 60 min |
| May 7, 5:03 PM CDT | Special Weather Statement | AMA | Sherman | 57 min |
| May 7, 5:06 PM CDT | Special Weather Statement | AMA | Randall | 54 min |
| May 7, 5:13 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Moore, Sherman | 62 min |
| May 7, 5:20 PM CDT | Special Weather Statement | AMA | Deaf Smith | 55 min |
| May 7, 5:38 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Deaf Smith, Hutchinson, Moore, Oldham and 2 more | 82 min |
| May 7, 6:01 PM CDT | Special Weather Statement | AMA | Hansford, Hutchinson, Ochiltree | 59 min |
| May 7, 6:19 PM CDT | Special Weather Statement | AMA | Roberts | 56 min |
| May 7, 6:27 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray, Hansford, Hutchinson, Ochiltree, Roberts | 63 min |
| May 7, 6:45 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 60 min |
| May 7, 6:50 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Donley, Gray, Randall | 55 min |
| May 7, 1:33 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron | 57 min |
| May 7, 2:22 PM CDT | Special Weather Statement | AMA | Cimarron | 23 min |
| May 7, 2:47 PM CDT | Special Weather Statement | AMA | Texas | 28 min |
| May 7, 2:50 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 55 min |
| May 7, 3:27 PM CDT | Special Weather Statement | AMA | Cimarron | 63 min |
| May 7, 3:42 PM CDT | Special Weather Statement | AMA | Texas | 33 min |
| May 7, 3:53 PM CDT | Special Weather Statement | AMA | Cimarron | 67 min |
| May 7, 3:58 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 32 min |
| May 7, 4:49 PM CDT | Special Weather Statement | AMA | Beaver | 56 min |
| May 7, 4:55 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 46 min |
| May 7, 5:43 PM CDT | Special Weather Statement | AMA | Beaver | 32 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.