Alert archive / Virginia / Wind Advisories in 2021

Wind Advisory 5, NWS Blacksburg, VA

March 1, 2021Bath County, Virginia; Greenbrier County, West Virginia

NWS Blacksburg, VA issued this wind advisory at Mar 1, 2021, 1:22 PM EST for Bath County, Virginia; Greenbrier County, West Virginia. It took effect at Mar 1, 2021, 2:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2021, 1:22 PM EST (18:22 UTC)
In effect from
Mar 1, 2021, 2:00 PM EST
Expired
Mar 2, 2021, 1:00 AM EST
In force
11 hr
Issued by
NWS Blacksburg, VA

Counties Bath County, VA, Greenbrier County, WV

The radar

The Roanoke radar (KFCX), 110 km from the middle of the area, began a volume at 18:20 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, 6.4 hours before the alert went out and 104 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.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2021-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2021-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -301 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
808 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-301 m²/s²
0-3 km storm-relative helicity
-240 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

968 
WWUS71 KRNK 011822
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
122 PM EST Mon Mar 1 2021

VAZ020-WVZ508-020430-
/O.NEW.KRNK.WI.Y.0005.210301T1900Z-210302T0600Z/
Bath-Western Greenbrier-
Including the cities of Hot Springs, Quinwood, Duo, and Rainelle
122 PM EST Mon Mar 1 2021

...WIND ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...In Virginia, Bath County. In West Virginia, Western 
  Greenbrier County.

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$

VFJ
2 follow-up statements
502 
WWUS71 KRNK 012345
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
645 PM EST Mon Mar 1 2021

VAZ020-WVZ508-020600-
/O.CON.KRNK.WI.Y.0005.000000T0000Z-210302T0600Z/
Bath-Western Greenbrier-
Including the cities of Hot Springs, Quinwood, Duo, and Rainelle
645 PM EST Mon Mar 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...In Virginia, Bath County. In West Virginia, Western 
  Greenbrier County.

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$
407 
WWUS71 KRNK 020553
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
1253 AM EST Tue Mar 2 2021

VAZ020-WVZ508-020700-
/O.EXP.KRNK.WI.Y.0005.000000T0000Z-210302T0600Z/
Bath-Western Greenbrier-
Including the cities of Hot Springs, Quinwood, Duo, and Rainelle
1253 AM EST Tue Mar 2 2021

...WIND ADVISORY WILL EXPIRE AT 1 AM EST EARLY THIS MORNING...

Northwest wind gusts will be under 45 mph this rest of the night,
so the advisory is being allowed to expire.

$$

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 7:07 PM ESTFlash Flood WarningRNKBath6 hr
Feb 28, 8:41 PM ESTDense Fog AdvisoryRNKAmherst, Appomattox, Bedford, Botetourt, Buckingham, Campbell and 14 more7 hr
Feb 28, 9:18 PM ESTSpecial Weather StatementRNKAlleghany, Bath, Craig, City of Covington27 min
Mar 1, 1:14 AM ESTAreal Flood WarningRNKAlleghany, Bath12 hr
Mar 1, 7:20 AM ESTFlood WatchRNKBland, Tazewell2 min
Mar 1, 7:31 AM ESTRiver Flood WarningRNKTazewell11 hr
Mar 1, 7:43 AM ESTAreal Flood WarningRNKTazewell25 hr
Mar 1, 12:49 PM ESTAreal Flood AdvisoryRNKBath4 hr
Mar 1, 4:13 PM ESTAreal Flood AdvisoryRNKAlleghany, Botetourt9 hr
Feb 28, 8:27 PM ESTSpecial Weather StatementRNKGreenbrier, Mercer, Monroe, Summers63 min
Mar 1, 1:55 AM ESTAreal Flood WarningRNKGreenbrier, Summers31 hr
Mar 1, 5:11 AM ESTRiver Flood WarningRNKGreenbrier, Monroe, Summers27 hr

Nearby

Wind Advisories in Virginia, 2021Wind Advisories in West Virginia, 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.