Alert archive / West Virginia / Wind Chill Advisories in 2021
Wind Chill Advisory 1, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind chill advisory at Jan 28, 2021, 5:54 PM EST for Greenbrier County, West Virginia. It took effect at Jan 28, 2021, 7:00 PM EST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Jan 28, 2021, 5:54 PM EST (22:54 UTC)
- In effect from
- Jan 28, 2021, 7:00 PM EST
- Expired
- Jan 29, 2021, 9:04 AM EST
- In force
- 14 hr
- Issued by
- NWS Blacksburg, VA
County Greenbrier County, WV
The radar
The Roanoke radar (KFCX), 104 km from the middle of the area, began a volume at 22:59 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
Roanoke, VA (KRNK), launched 12:00Z, 10.9 hours before the alert went out and 118 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
- 758 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
266 WWUS41 KRNK 282254 WSWRNK URGENT - WINTER WEATHER MESSAGE National Weather Service Blacksburg VA 554 PM EST Thu Jan 28 2021 WVZ508-290700- /O.NEW.KRNK.WC.Y.0001.210129T0000Z-210129T1600Z/ Western Greenbrier- Including the cities of Quinwood, Duo, and Rainelle 554 PM EST Thu Jan 28 2021 ...WIND CHILL ADVISORY IN EFFECT UNTIL 11 AM EST FRIDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 10 to 15 below zero. * WHERE...Western Greenbrier County. * WHEN...Until 11 AM EST Friday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...Wind gusts of 30 mph to 40 mph can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory is issued when strong winds will combine with cold temperatures for several hours to create dangerously cold conditions for exposed skin. Use caution while outside. Wear appropriate clothing, a hat, and gloves. && $$
2 follow-up statements
646 WWUS41 KRNK 290630 WSWRNK URGENT - WINTER WEATHER MESSAGE National Weather Service Blacksburg VA 130 AM EST Fri Jan 29 2021 WVZ508-291430- /O.CON.KRNK.WC.Y.0001.000000T0000Z-210129T1600Z/ Western Greenbrier- Including the cities of Quinwood, Duo, and Rainelle 130 AM EST Fri Jan 29 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 10 to 15 below zero. * WHERE...Western Greenbrier County. * WHEN...Until 11 AM EST this morning. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...Wind gusts of 20 to 30 mph can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory is issued when strong winds will combine with cold temperatures for several hours to create dangerously cold conditions for exposed skin. Use caution while outside. Wear appropriate clothing, a hat, and gloves. && $$
409 WWUS41 KRNK 291404 WSWRNK URGENT - WINTER WEATHER MESSAGE National Weather Service Blacksburg VA 904 AM EST Fri Jan 29 2021 ...Wind Chill Advisory Has Been Cancelled... WVZ508-291515- /O.CAN.KRNK.WC.Y.0001.000000T0000Z-210129T1600Z/ Western Greenbrier- 904 AM EST Fri Jan 29 2021 ...WIND CHILL ADVISORY IS CANCELLED... Winds are low enough to allow the wind chill advisory to be cancelled. Temperatures will still be cold, but will eventually warm into the low to mid 20s this afternoon. $$ SHH
Nearby
Wind Chill Advisories in West Virginia, 2021Every wind chill 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.