Alert archive / Texas / Freeze Warnings in 2023
Freeze Warning 2, NWS Amarillo, TX
NWS Amarillo, TX issued this freeze warning at Apr 20, 2023, 2:42 PM CDT for Dallam County, Hartley County, Sherman County, Texas; Cimarron County, Texas County, Oklahoma. It took effect at Apr 21, 2023, 3:00 AM CDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 20, 2023, 2:42 PM CDT (19:42 UTC)
- In effect from
- Apr 21, 2023, 3:00 AM CDT
- Expired
- Apr 21, 2023, 9:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Amarillo, TX
Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hartley County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 135 km from the middle of the area, began a volume at 19:45 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
Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 7.7 hours before the alert went out and 422 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
- 2842 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -128 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning 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 freeze warning went out at Apr 20, 12:20 PM CDT, 2 hours 22 minutes earlier.
Area forecast discussion, Apr 20, 12:20 PM CDT, 2 hours 22 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 20, 4:05 AM CDT, 10 hours 37 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 405 AM CDT Thu Apr 20 2023 OKZ001>003-TXZ001>020-317-202115- 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- 405 AM CDT Thu Apr 20 2023 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Today and Tonight. Breezy to windy conditions in the eastern Panhandles with the cold front early this morning. Some blowing dust will be accompanying those winds. A Wind Advisory is in effect through 5 AM for the eastern Panhandles. Critical Fire Weather will be in play today across the southwest Panhandles, with other areas across the north and west being elevated to low end critical from breezy winds and low relative humidity values. Freezing temperatures may occur in the northwestern Texas and western Oklahoma Panhandles tonight into early Friday morning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Monday and Tuesday may have thunderstorms. At this time the threat for severe weather is low, but can't be ruled out. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time.
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 12:37 AM CDT | Wind Advisory | AMA | Armstrong, Carson, Collingsworth, Donley, Gray, Hansford and 6 more | 4 hr |
| Apr 20, 1:26 AM CDT | Blowing Dust Advisory | AMA | Armstrong, Carson, Collingsworth, Donley, Gray, Hansford and 10 more | 4 hr |
| Apr 20, 3:20 AM CDT | Freeze Watch | AMA | Dallam, Hartley, Sherman | 11 hr |
| Apr 20, 4:05 AM CDT | Red Flag Warning | AMA | Dallam, Deaf Smith, Hansford, Hartley, Hutchinson, Moore and 5 more | 18 hr |
| Apr 20, 12:52 AM CDT | High Wind Warning | AMA | Beaver, Texas | 4 hr |
Nearby
Freeze Warnings in Texas, 2023Freeze Warnings in Oklahoma, 2023Every freeze warning in 2023
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.