Alert archive / Texas / Wind Advisories in 2021
Wind Advisory 12, NWS Amarillo, TX
NWS Amarillo, TX issued this wind advisory at Sep 17, 2021, 2:46 AM CDT for Cimarron County, Oklahoma; Dallam County, Hartley County, Texas. It took effect at Sep 17, 2021, 7:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Sep 17, 2021, 2:46 AM CDT (07:46 UTC)
- In effect from
- Sep 17, 2021, 7:00 AM CDT
- Expired
- Sep 17, 2021, 3:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Amarillo, TX
Counties Cimarron County, OK, Dallam County, TX, Hartley County, TX
The radar
The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 07:48 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 00:00Z, 7.8 hours before the alert went out and 142 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
- 703 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 2170 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
650 WWUS74 KAMA 170746 NPWAMA URGENT - WEATHER MESSAGE National Weather Service Amarillo TX 246 AM CDT Fri Sep 17 2021 OKZ001-TXZ001-006-171615- /O.NEW.KAMA.WI.Y.0012.210917T1200Z-210917T2000Z/ Cimarron-Dallam-Hartley- Including the cities of Channing, Boise City, Dalhart, Romero, Conlen, Keyes, Ware, and Hartley 246 AM CDT Fri Sep 17 2021 ...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 3 PM CDT THIS AFTERNOON... * WHAT...North winds around 35 mph with gusts to around 50 mph expected. * WHERE...In Oklahoma, Cimarron County. In Texas, Dallam and Hartley Counties. * WHEN...From 7 AM this morning to 3 PM CDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ LG
1 follow-up statement
879 WWUS74 KAMA 171846 NPWAMA URGENT - WEATHER MESSAGE National Weather Service Amarillo TX 146 PM CDT Fri Sep 17 2021 OKZ001-TXZ001-006-172000- /O.CON.KAMA.WI.Y.0012.000000T0000Z-210917T2000Z/ Cimarron-Dallam-Hartley- Including the cities of Channing, Boise City, Dalhart, Romero, Conlen, Keyes, Ware, and Hartley 146 PM CDT Fri Sep 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...North winds 25 to 35 mph. * WHERE...In Oklahoma, Cimarron County. In Texas, Dallam and Hartley Counties. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Guerrero
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 5:40 PM CDT | Special Weather Statement | AMA | Wheeler | 50 min |
| Sep 17, 6:04 PM CDT | Special Weather Statement | AMA | Lipscomb | 41 min |
| Sep 17, 6:13 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 42 min |
| Sep 17, 6:32 PM CDT | Special Weather Statement | AMA | Collingsworth | 28 min |
| Sep 17, 6:39 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth | 66 min |
Nearby
Wind Advisories in Texas, 2021Wind Advisories in Oklahoma, 2021Every wind advisory 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.