Alert archive / West Virginia / Wind Advisories in 2021

Wind Advisory 16, NWS Baltimore/Washington

December 21, 2021Grant County, Pendleton County, West Virginia; Highland County, Virginia

NWS Baltimore/Washington issued this wind advisory at Dec 21, 2021, 2:43 PM EST for Grant County, Pendleton County, West Virginia; Highland County, Virginia. It took effect at Dec 22, 2021, 7:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2021, 2:43 PM EST (19:43 UTC)
In effect from
Dec 22, 2021, 7:00 AM EST
Expired
Dec 22, 2021, 2:30 PM EST
In force
8 hr
Issued by
NWS Baltimore/Washington

Counties Highland County, VA, Grant County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 166 km from the middle of the area, began a volume at 19:43 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, 7.7 hours before the alert went out and 169 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 2021-12-21Temperature 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 2021-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897117136Sfc1 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
1531 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

384 
WWUS71 KLWX 211943
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
243 PM EST Tue Dec 21 2021

VAZ503-WVZ501-505-220345-
/O.NEW.KLWX.WI.Y.0016.211222T1200Z-211222T2100Z/
Western Highland-Western Grant-Western Pendleton-
Including the cities of Hightown, Bayard, Mount Storm, 
and Riverton
243 PM EST Tue Dec 21 2021

...WIND ADVISORY IN EFFECT FROM 7 AM TO 4 PM EST WEDNESDAY...

* WHAT...West winds 15 to 25 mph, with gusts up to 50 mph 
  expected.

* WHERE...In Virginia, Western Highland County. In West 
  Virginia, Western Grant and Western Pendleton Counties.

* WHEN...From 7 AM to 4 PM EST Wednesday.

* IMPACTS...Damaging winds will likely blow down scattered trees
  and power lines. Scattered power outages are possible. Loose
  outdoor objects may be blown away or damaged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
4 follow-up statements
618 
WWUS71 KLWX 220201
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
901 PM EST Tue Dec 21 2021

VAZ503-WVZ501-505-221015-
/O.CON.KLWX.WI.Y.0016.211222T1200Z-211222T2100Z/
Western Highland-Western Grant-Western Pendleton-
Including the cities of Hightown, Bayard, Mount Storm, 
and Riverton
901 PM EST Tue Dec 21 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM EST
WEDNESDAY...

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

* WHERE...In Virginia, Western Highland County. In West 
  Virginia, Western Grant and Western Pendleton Counties.

* WHEN...From 7 AM to 4 PM EST Wednesday.

* IMPACTS...Damaging winds will likely blow down scattered trees 
  and power lines. Scattered power outages are possible. Loose 
  outdoor objects may be blown away or damaged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
998 
WWUS71 KLWX 220818
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
318 AM EST Wed Dec 22 2021

VAZ503-WVZ501-505-221630-
/O.CON.KLWX.WI.Y.0016.211222T1200Z-211222T2100Z/
Western Highland-Western Grant-Western Pendleton-
Including the cities of Hightown, Bayard, Mount Storm, 
and Riverton
318 AM EST Wed Dec 22 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM
EST THIS AFTERNOON...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...In Virginia, Western Highland County. In West 
  Virginia, Western Grant and Western Pendleton Counties.

* WHEN...From 7 AM this morning to 4 PM EST this afternoon.

* IMPACTS...Damaging winds will likely blow down scattered trees 
  and power lines. Scattered power outages are possible. Loose 
  outdoor objects may be blown away or damaged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
598 
WWUS71 KLWX 221430
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
930 AM EST Wed Dec 22 2021

VAZ503-WVZ501-505-222100-
/O.CON.KLWX.WI.Y.0016.000000T0000Z-211222T2100Z/
Western Highland-Western Grant-Western Pendleton-
Including the cities of Hightown, Bayard, Mount Storm, 
and Riverton
930 AM EST Wed Dec 22 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 55 mph.

* WHERE...In Virginia, Western Highland County. In West 
  Virginia, Western Grant and Western Pendleton Counties.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Damaging winds will likely blow down scattered trees 
  and power lines. Scattered power outages are possible. Loose 
  outdoor objects may be blown away or damaged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
253 
WWUS71 KLWX 221930
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
230 PM EST Wed Dec 22 2021

VAZ503-WVZ501-505-222030-
/O.CAN.KLWX.WI.Y.0016.000000T0000Z-211222T2100Z/
Western Highland-Western Grant-Western Pendleton-
Including the cities of Hightown, Bayard, Mount Storm, 
and Riverton
230 PM EST Wed Dec 22 2021

...WIND ADVISORY IS CANCELLED...

Winds are starting to subside.

$$

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 21, 3:21 AM ESTSmall Craft AdvisoryLWX57 hr
Dec 21, 11:14 AM ESTGale WarningLWX27 hr

Nearby

Wind Advisories in West Virginia, 2021Wind Advisories in 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.