Alert archive / Virginia / Wind Advisories in 2023

Wind Advisory 13, NWS Blacksburg, VA

April 30, 20234 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina

NWS Blacksburg, VA issued this wind advisory at Apr 30, 2023, 9:32 PM EDT for 4 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It was in force for 46 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2023, 9:32 PM EDT (01:32 UTC)
Expired
May 2, 2023, 8:00 PM EDT
In force
46 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Carroll County, VA, City of Galax, VA, Floyd County, VA, Grayson County, VA

The radar

The Roanoke radar (KFCX), 86 km from the middle of the area, began a volume at 01:36 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.5 hours before the alert went out and 120 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, Greensboro/Hi Pt, NC at 00:00Z on 2023-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 joules per kilogram.LCLLFCEL10008507005003002001001 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, Greensboro/Hi Pt, NC at 00:00Z on 2023-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.19395878Sfc1 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
31 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1853 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

493 
WWUS71 KRNK 010132
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
932 PM EDT Sun Apr 30 2023

NCZ001-002-018-VAZ015>017-011000-
/O.NEW.KRNK.WI.Y.0013.230501T0132Z-230502T0000Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
932 PM EDT Sun Apr 30 2023

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...West winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...In North Carolina, Ashe, Alleghany NC and Watauga 
  Counties. In Virginia, Grayson, Carroll and Floyd Counties.

* WHEN...Until 8 PM EDT Monday.

* 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.

&&

$$
6 follow-up statements
478 
WWUS71 KRNK 010744
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
344 AM EDT Mon May 1 2023

NCZ001-002-018-VAZ015>017-011600-
/O.EXT.KRNK.WI.Y.0013.000000T0000Z-230502T1200Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
344 AM EDT Mon May 1 2023

...WIND ADVISORY NOW IN EFFECT UNTIL 8 AM EDT TUESDAY...

* WHAT...West winds 15 to 30 mph with gusts up to 55 mph.

* WHERE...In North Carolina, Ashe, Alleghany NC and Watauga 
  Counties. In Virginia, Grayson, Carroll and Floyd Counties.

* WHEN...Until 8 AM EDT 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.

&&

$$
501 
WWUS71 KRNK 011518
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
1118 AM EDT Mon May 1 2023

NCZ001-002-018-VAZ015>017-020200-
/O.CON.KRNK.WI.Y.0013.000000T0000Z-230502T1200Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
1118 AM EDT Mon May 1 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY...

* WHAT...West winds 15 to 30 mph with gusts up to 55 mph.

* WHERE...In North Carolina, Ashe, Alleghany NC and Watauga 
  Counties. In Virginia, Grayson, Carroll and Floyd Counties.

* WHEN...Until 8 AM EDT 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.

&&

$$
894 
WWUS71 KRNK 020042
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
842 PM EDT Mon May 1 2023

NCZ001-002-018-VAZ015>017-021000-
/O.CON.KRNK.WI.Y.0013.000000T0000Z-230502T1200Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
842 PM EDT Mon May 1 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY...

* WHAT...West winds 15 to 30 mph with gusts up to 55 mph.

* WHERE...In North Carolina, Ashe, Alleghany NC and Watauga 
  Counties. In Virginia, Grayson, Carroll and Floyd Counties.

* WHEN...Until 8 AM EDT 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.

&&

$$
130 
WWUS71 KRNK 020841
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
441 AM EDT Tue May 2 2023

WVZ508-022000-
/O.NEW.KRNK.FZ.W.0004.230503T0000Z-230503T1400Z/
Western Greenbrier-
Including the cities of Quinwood, Duo, and Rainelle
441 AM EDT Tue May 2 2023

...FREEZE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT
WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Western Greenbrier County.

* WHEN...From 8 PM this evening to 10 AM EDT Wednesday.

* IMPACTS...Freeze conditions will kill crops, other sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

NCZ001-002-018-VAZ015>017-022000-
/O.EXT.KRNK.WI.Y.0013.000000T0000Z-230503T0000Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
441 AM EDT Tue May 2 2023

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...West winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...In North Carolina, Ashe, Alleghany NC and Watauga 
  Counties. In Virginia, Grayson, Carroll and Floyd Counties.

* WHEN...Until 8 PM EDT 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.

&&

$$
211 
WWUS71 KRNK 021906
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
306 PM EDT Tue May 2 2023

WVZ508-030115-
/O.CON.KRNK.FZ.W.0004.230503T0000Z-230503T1400Z/
Western Greenbrier-
Including the cities of Quinwood, Duo, and Rainelle
306 PM EDT Tue May 2 2023

...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM EDT WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Western Greenbrier County.

* WHEN...From 8 PM this evening to 10 AM EDT Wednesday.

* IMPACTS...Freeze conditions will kill crops, other sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

NCZ001-002-018-VAZ015>017-030000-
/O.CON.KRNK.WI.Y.0013.000000T0000Z-230503T0000Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
306 PM EDT Tue May 2 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...West winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...In North Carolina, Ashe, Alleghany NC and Watauga 
  Counties. In Virginia, Grayson, Carroll and Floyd Counties.

* WHEN...Until 8 PM EDT 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.

&&

$$
254 
WWUS71 KRNK 022353
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
753 PM EDT Tue May 2 2023

NCZ001-002-018-VAZ015>017-030100-
/O.EXP.KRNK.WI.Y.0013.000000T0000Z-230503T0000Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
753 PM EDT Tue May 2 2023

...WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

Winds have weakened below advisory criteria tonight. Strong winds
will continue overnight, gusting up to 25-30 MPH.

$$

WVZ508-030800-
/O.CON.KRNK.FZ.W.0004.230503T0000Z-230503T1400Z/
Western Greenbrier-
Including the cities of Quinwood, Duo, and Rainelle
753 PM EDT Tue May 2 2023

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Western Greenbrier County.

* WHEN...From 8 PM this evening to 10 AM EDT Wednesday.

* IMPACTS...Freeze conditions will kill crops, other sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

Nearby

Wind Advisories in Virginia, 2023Wind Advisories in North Carolina, 2023Every wind advisory in 2023

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.