Alert archive / Texas / Wind Advisories in 2021
Wind Advisory 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at Jan 15, 2021, 4:35 AM CST for 7 counties in Texas. It took effect at Jan 15, 2021, 9:00 AM CST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 15, 2021, 4:35 AM CST (10:35 UTC)
- In effect from
- Jan 15, 2021, 9:00 AM CST
- Expired
- Jan 15, 2021, 5:21 PM CST
- In force
- 8 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Bastrop County, TX, Burnet County, TX, Fayette County, TX, Lavaca County, TX, Lee County, TX, Travis County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 57 km from the middle of the area, began a volume at 10:36 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
Corpus Christi, TX (KCRP), launched 00:00Z, 10.6 hours before the alert went out and 275 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
- 3357 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
685 WWUS74 KEWX 151035 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 435 AM CST Fri Jan 15 2021 TXZ172-173-192>194-209-225-151845- /O.NEW.KEWX.WI.Y.0002.210115T1500Z-210116T0000Z/ Burnet-Williamson-Travis-Bastrop-Lee-Fayette-Lavaca- Including the cities of Burnet, Georgetown, Austin, Bastrop, Giddings, La Grange, and Hallettsville 435 AM CST Fri Jan 15 2021 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 25 mph with gusts up to 40 mph expected. * WHERE...Burnet, Williamson, Travis, Bastrop, Lee, Fayette and Lavaca Counties. * WHEN...From 9 AM this morning to 6 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
604 WWUS74 KEWX 152042 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 242 PM CST Fri Jan 15 2021 TXZ172-173-192>194-209-225-160000- /O.CON.KEWX.WI.Y.0002.000000T0000Z-210116T0000Z/ Burnet-Williamson-Travis-Bastrop-Lee-Fayette-Lavaca- Including the cities of Burnet, Georgetown, Austin, Bastrop, Giddings, La Grange, and Hallettsville 242 PM CST Fri Jan 15 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 25 mph with gusts up to 40 mph expected. * WHERE...Burnet, Williamson, Travis, Bastrop, Lee, Fayette and Lavaca Counties. * WHEN...Through 6 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
453 WWUS74 KEWX 152321 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 521 PM CST Fri Jan 15 2021 TXZ172-173-192>194-209-225-160030- /O.CAN.KEWX.WI.Y.0002.000000T0000Z-210116T0000Z/ Burnet-Williamson-Travis-Bastrop-Lee-Fayette-Lavaca- Including the cities of Burnet, Georgetown, Austin, Bastrop, Giddings, La Grange, and Hallettsville 521 PM CST Fri Jan 15 2021 ...WIND ADVISORY IS CANCELLED... Sustained winds have dropped below advisory levels and the Wind Advisory has been cancelled. However, a few wind gusts of 25 to 30 mph are still possible through 6 PM. $$
Nearby
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.