Alert archive / Virginia / Wind Advisories in 2021

Wind Advisory 1, NWS Baltimore/Washington

February 2, 202112 counties in Virginia; Grant County, Pendleton County, West Virginia

NWS Baltimore/Washington issued this wind advisory at Feb 2, 2021, 9:33 PM EST for 12 counties in Virginia; Grant County, Pendleton County, West Virginia. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 2, 2021, 9:33 PM EST (02:33 UTC)
Expired
Feb 3, 2021, 9:36 AM EST
In force
12 hr
Issued by
NWS Baltimore/Washington

Counties Albemarle County, VA, Amherst County, VA, Augusta County, VA, Greene County, VA, Highland County, VA, Madison County, VA, Nelson County, VA, Page County, VA, Rappahannock County, VA, Rockbridge County, VA, Rockingham County, VA, Warren County, VA, Grant County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 136 km from the middle of the area, began a volume at 02:36 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

Roanoke, VA (KRNK), launched 00:00Z, 2.6 hours before the alert went out and 141 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 00:00Z on 2021-02-03Temperature 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 00:00Z on 2021-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 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
1063 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

428 
WWUS71 KLWX 030233
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
933 PM EST Tue Feb 2 2021

VAZ503-507-508-WVZ501-505-031045-
/O.NEW.KLWX.WI.Y.0001.210203T0233Z-210203T1800Z/
Western Highland-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-Western Grant-Western Pendleton-
Including the cities of Hightown, Big Meadows, Wintergreen, 
Bayard, Mount Storm, and Riverton
933 PM EST Tue Feb 2 2021

...WIND ADVISORY IN EFFECT UNTIL 1 PM EST WEDNESDAY...

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

* WHERE...In Virginia, Western Highland County, and Northern 
  Virginia Blue Ridge and Central Virginia Blue Ridge. In West 
  Virginia, Western Grant and Western Pendleton Counties.

* WHEN...Until 1 PM EST Wednesday.

* 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
630 
WWUS71 KLWX 031051
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
551 AM EST Wed Feb 3 2021

VAZ503-507-508-WVZ501-505-031800-
/O.CON.KLWX.WI.Y.0001.000000T0000Z-210203T1800Z/
Western Highland-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-Western Grant-Western Pendleton-
Including the cities of Hightown, Big Meadows, Wintergreen, 
Bayard, Mount Storm, and Riverton
551 AM EST Wed Feb 3 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

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

* WHERE...In Virginia, Western Highland County, and Central 
  Virginia Blue Ridge and Northern Virginia Blue Ridge. In West 
  Virginia, Western Grant and Western Pendleton Counties.

* WHEN...Until 1 PM EST this afternoon.

* 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.

&&

$$
580 
WWUS71 KLWX 031436
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
936 AM EST Wed Feb 3 2021

VAZ503-507-508-WVZ501-505-031545-
/O.CAN.KLWX.WI.Y.0001.000000T0000Z-210203T1800Z/
Western Highland-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-Western Grant-Western Pendleton-
Including the cities of Hightown, Big Meadows, Wintergreen, 
Bayard, Mount Storm, and Riverton
936 AM EST Wed Feb 3 2021

...WIND ADVISORY IS CANCELLED...

Winds should remain below advisory levels for the rest of the day.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 9:27 PM ESTGale WarningLWX12 hr
Feb 3, 1:52 AM ESTSmall Craft AdvisoryLWX37 hr
Feb 2, 11:16 PM ESTWinter Weather AdvisoryLWXGrant, Mineral, Pendleton8 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.