Alert archive / Texas / Wind Advisories in 2021
Wind Advisory 11, NWS Amarillo, TX
NWS Amarillo, TX issued this wind advisory at May 21, 2021, 3:59 AM CDT for Dallam County, Hartley County, Texas; Cimarron County, Oklahoma. It took effect at May 21, 2021, 1:00 PM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- May 21, 2021, 3:59 AM CDT (08:59 UTC)
- In effect from
- May 21, 2021, 1:00 PM CDT
- Expired
- May 21, 2021, 8:00 PM CDT
- In force
- 7 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 09:03 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, 9.0 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
- 506 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1925 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
316 WWUS74 KAMA 210859 NPWAMA URGENT - WEATHER MESSAGE National Weather Service Amarillo TX 359 AM CDT Fri May 21 2021 OKZ001-TXZ001-006-211700- /O.NEW.KAMA.WI.Y.0011.210521T1800Z-210522T0100Z/ Cimarron-Dallam-Hartley- Including the cities of Keyes, Channing, Hartley, Boise City, and Dalhart 359 AM CDT Fri May 21 2021 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...South winds 30 to 39 mph expected with gusts near 55 mph. * WHERE...In Oklahoma, Cimarron County. In Texas, Dallam and Hartley Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * 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. && $$ Rutt
2 follow-up statements
255 WWUS74 KAMA 211651 NPWAMA URGENT - WEATHER MESSAGE National Weather Service Amarillo TX 1151 AM CDT Fri May 21 2021 OKZ001-TXZ001-006-220100- /O.CON.KAMA.WI.Y.0011.210521T1800Z-210522T0100Z/ Cimarron-Dallam-Hartley- Including the cities of Keyes, Channing, Hartley, Boise City, and Dalhart 1151 AM CDT Fri May 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...South winds around 35 mph expected. * WHERE...In Oklahoma, Cimarron County. In Texas, Dallam and Hartley Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ LG
947 WWUS74 KAMA 220058 NPWAMA URGENT - WEATHER MESSAGE National Weather Service Amarillo TX 758 PM CDT Fri May 21 2021 OKZ001-TXZ001-006-220200- /O.EXP.KAMA.WI.Y.0011.000000T0000Z-210522T0100Z/ Cimarron-Dallam-Hartley- Including the cities of Keyes, Channing, Hartley, Boise City, and Dalhart 758 PM CDT Fri May 21 2021 ...WIND ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING... The threat has ended. $$ Schneider
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.