Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 172, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Aug 6, 2020, 5:44 PM CDT for Cimarron County, Texas County, Oklahoma. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 6, 2020, 5:44 PM CDT (22:44 UTC)
- Expired
- Aug 6, 2020, 6:45 PM CDT
- In force
- 61 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cimarron County, OK, Texas County, OK
The radar
The Amarillo radar (KAMA), 170 km from the middle of the area, began a volume at 22:45 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.7 hours before the alert went out and 171 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
- 367 J/kg
- Mixed-layer CIN
- -450 J/kg
- Mixed-layer LCL
- 1761 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 6, 3:35 PM CDT, 2 hours 9 minutes earlier.
Area forecast discussion, Aug 6, 3:35 PM CDT, 2 hours 9 minutes before
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</html>Hazardous weather outlook, Aug 6, 3:36 PM CDT, 2 hours 8 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 336 PM CDT Thu Aug 6 2020 OKZ001>003-TXZ001>020-317-070845- 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- 336 PM CDT Thu Aug 6 2020 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Tonight. Showers and thunderstorms expected this evening across the Panhandles. Gusty winds and small hail will be possible with the storms. Additionally, strong to severe storms will be possible mainly north of the I-40 corridor. Wind gusts up to 60 mph with hail up to an inch will be possible. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Showers and thunderstorms are expected to continue through the weekend and into early next week. Storms will have the potential to be strong with gusty winds and small hail. The severe threat is currently low, and will be monitored on a day to day basis. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time. Weber
In the hours before
Special weather statement, Aug 6, 1:55 PM CDT, 3 hours 49 minutes before
Special Weather Statement National Weather Service Amarillo TX 155 PM CDT Thu Aug 6 2020 TXZ013-014-018-061930- Gray TX-Carson TX-Armstrong TX- 155 PM CDT Thu Aug 6 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ARMSTRONG... SOUTHEASTERN CARSON AND WEST CENTRAL GRAY COUNTIES UNTIL 230 PM CDT... At 154 PM CDT, Doppler radar was tracking a strong thunderstorm 6 miles northwest of Groom, or 12 miles southeast of Panhandle, moving northeast at 20 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... White Deer and Groom. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3513 10115 3523 10134 3551 10119 3536 10091 TIME...MOT...LOC 1854Z 211DEG 15KT 3525 10120 Bieda
Special weather statement, Aug 6, 4:53 PM CDT, 51 minutes before
Special Weather Statement National Weather Service Amarillo TX 453 PM CDT Thu Aug 6 2020 TXZ012-017-018-317-062230- Potter TX-Palo Duro Canyon TX-Randall TX-Armstrong TX- 453 PM CDT Thu Aug 6 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ARMSTRONG... NORTHEASTERN RANDALL AND SOUTH CENTRAL POTTER COUNTIES UNTIL 530 PM CDT... At 453 PM CDT, Doppler radar was tracking a strong thunderstorm over Mescalero Park, or near Canyon, moving northeast at 25 mph. Penny size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Amarillo, Canyon, Lake Tanglewood, Mescalero Park and Timbercreek Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3490 10189 3506 10205 3525 10180 3501 10154 TIME...MOT...LOC 2153Z 235DEG 24KT 3502 10188 TLH
Special weather statement, Aug 6, 5:26 PM CDT, 18 minutes before
Special Weather Statement
National Weather Service Amarillo TX
526 PM CDT Thu Aug 6 2020
TXZ017-018-317-062300-
Palo Duro Canyon TX-Randall TX-Armstrong TX-
526 PM CDT Thu Aug 6 2020
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN ARMSTRONG AND
NORTHEASTERN RANDALL COUNTIES UNTIL 600 PM CDT...
At 526 PM CDT, Doppler radar was tracking a strong thunderstorm over
Palo Duro Canyon, or 12 miles east of Canyon, moving southeast at 30
mph.
Dime size hail and wind gusts of 50 to 55 mph will be possible with
this storm.
Locations impacted include...
Lake Tanglewood, Wayside, Palo Duro Canyon and Timbercreek Canyon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take shelter in a sturdy building if threatening weather approaches.
&&
LAT...LON 3499 10187 3518 10181 3518 10170 3514 10139
3475 10151 3475 10152
TIME...MOT...LOC 2226Z 298DEG 27KT 3499 10169
TLHThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 1:55 PM CDT | Special Weather Statement | AMA | Carson | 35 min |
| Aug 6, 4:53 PM CDT | Special Weather Statement | AMA | Randall | 37 min |
| Aug 6, 5:26 PM CDT | Special Weather Statement | AMA | Randall | 34 min |
| Aug 6, 6:03 PM CDT | Special Weather Statement | AMA | Hutchinson | 27 min |
| Aug 6, 6:10 PM CDT | Special Weather Statement | AMA | Armstrong | 35 min |
| Aug 6, 6:40 AM CDT | Special Weather Statement | AMA | Beaver | 50 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2020Every severe thunderstorm warning in 2020
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.