Alert archive / Virginia / Wind Advisories in 2016

Wind Advisory 21, NWS Baltimore/Washington

December 28, 201619 counties in Virginia; Allegany County, Washington County, Maryland; 8 counties in West Virginia

NWS Baltimore/Washington issued this wind advisory at Dec 28, 2016, 2:02 PM EST for 19 counties in Virginia; Allegany County, Washington County, Maryland; 8 counties in West Virginia. It took effect at Dec 29, 2016, 7:00 AM EST. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
Dec 28, 2016, 2:02 PM EST (19:02 UTC)
In effect from
Dec 29, 2016, 7:00 AM EST
Expired
Dec 30, 2016, 5:59 PM EST
In force
35 hr
Issued by
NWS Baltimore/Washington
All 29 counties

Allegany County, MD, Washington County, MD, Albemarle County, VA, Amherst County, VA, Augusta County, VA, City of Harrisonburg, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Frederick 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, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 104 km from the middle of the area, began a volume at 18:59 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.0 hours before the alert went out and 110 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, Washington/Dulle, VA at 12:00Z on 2016-12-28Temperature 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, Washington/Dulle, VA at 12:00Z on 2016-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939587897117Sfc1 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
1305 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

057 
WWUS71 KLWX 281902
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
202 PM EST WED DEC 28 2016


MDZ003-502-VAZ025>031-504-507-508-WVZ050>053-055-502-504-506-
290315-
/O.NEW.KLWX.WI.Y.0021.161229T1200Z-161229T2300Z/
WASHINGTON-CENTRAL AND EASTERN ALLEGANY-AUGUSTA-ROCKINGHAM-
SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-EASTERN HIGHLAND-
NORTHERN VIRGINIA BLUE RIDGE-CENTRAL VIRGINIA BLUE RIDGE-
HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-EASTERN GRANT-
EASTERN MINERAL-EASTERN PENDLETON-
INCLUDING THE CITIES OF...HAGERSTOWN...CUMBERLAND...STAUNTON...
WAYNESBORO...STUARTS DRAFT...HARRISONBURG...STRASBURG...
WOODSTOCK...MOUNT JACKSON...NEW MARKET...WINCHESTER...LURAY...
SHENANDOAH...STANLEY...FRONT ROYAL...BERRYVILLE...MONTEREY...
BIG MEADOWS...WINTERGREEN...ROMNEY...PAW PAW...MARTINSBURG...
CHARLES TOWN...SHEPHERDSTOWN...MOOREFIELD...PETERSBURG...
ANTIOCH...KEYSER...NEW CREEK...RIDGEVILLE...RUSSELLDALE...
HEADSVILLE...FORT ASHBY...BRANDYWINE...FRANKLIN...OAK FLAT...
RUDDLE...SUGAR GROVE
202 PM EST WED DEC 28 2016

...WIND ADVISORY IN EFFECT FROM 7 AM TO 6 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 6 PM EST
THURSDAY.

* TIMING...DURING THE DAY THURSDAY. HIGHEST GUSTS LIKELY MIDDAY
  INTO EARLY AFTERNOON.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 45 TO 55 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
9 follow-up statements
191 
WWUS71 KLWX 290150
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
850 PM EST WED DEC 28 2016

MDZ003-502-VAZ025>031-504-507-508-WVZ050>053-055-502-504-506-
291000-
/O.CON.KLWX.WI.Y.0021.161229T1200Z-161229T2300Z/
WASHINGTON-CENTRAL AND EASTERN ALLEGANY-AUGUSTA-ROCKINGHAM-
SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-EASTERN HIGHLAND-
NORTHERN VIRGINIA BLUE RIDGE-CENTRAL VIRGINIA BLUE RIDGE-
HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-EASTERN GRANT-
EASTERN MINERAL-EASTERN PENDLETON-
INCLUDING THE CITIES OF...HAGERSTOWN...CUMBERLAND...STAUNTON...
WAYNESBORO...STUARTS DRAFT...HARRISONBURG...STRASBURG...
WOODSTOCK...MOUNT JACKSON...NEW MARKET...WINCHESTER...LURAY...
SHENANDOAH...STANLEY...FRONT ROYAL...BERRYVILLE...MONTEREY...
BIG MEADOWS...WINTERGREEN...ROMNEY...PAW PAW...MARTINSBURG...
CHARLES TOWN...SHEPHERDSTOWN...MOOREFIELD...PETERSBURG...
ANTIOCH...KEYSER...NEW CREEK...RIDGEVILLE...RUSSELLDALE...
HEADSVILLE...FORT ASHBY...BRANDYWINE...FRANKLIN...OAK FLAT...
RUDDLE...SUGAR GROVE
850 PM EST WED DEC 28 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 6 PM EST
THURSDAY...

* TIMING...DURING THE DAY THURSDAY. HIGHEST GUSTS LIKELY MIDDAY 
  INTO EARLY AFTERNOON.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 45 TO 55 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
643 
WWUS71 KLWX 290908
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
408 AM EST THU DEC 29 2016

MDZ003-502-VAZ025>031-WVZ050>053-055-504-291015-
/O.CAN.KLWX.WI.Y.0021.161229T1200Z-161229T2300Z/
WASHINGTON-CENTRAL AND EASTERN ALLEGANY-AUGUSTA-ROCKINGHAM-
SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-HAMPSHIRE-MORGAN-
BERKELEY-JEFFERSON-HARDY-EASTERN MINERAL-
INCLUDING THE CITIES OF...HAGERSTOWN...CUMBERLAND...STAUNTON...
WAYNESBORO...STUARTS DRAFT...HARRISONBURG...STRASBURG...
WOODSTOCK...MOUNT JACKSON...NEW MARKET...WINCHESTER...LURAY...
SHENANDOAH...STANLEY...FRONT ROYAL...BERRYVILLE...ROMNEY...
PAW PAW...MARTINSBURG...CHARLES TOWN...SHEPHERDSTOWN...
MOOREFIELD...ANTIOCH...KEYSER...NEW CREEK...RIDGEVILLE...
RUSSELLDALE...HEADSVILLE...FORT ASHBY
408 AM EST THU DEC 29 2016

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
CANCELLED THE WIND ADVISORY.

WIND GUSTS AROUND 30 TO 40 MPH ARE EXPECTED THIS AFTERNOON. 

$$

VAZ504-507-508-WVZ502-506-291715-
/O.EXT.KLWX.WI.Y.0021.161229T1200Z-161230T1100Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
408 AM EST THU DEC 29 2016

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM EST FRIDAY...

* TIMING...THROUGH TONIGHT. HIGHEST GUSTS LIKELY THIS AFTERNOON
  AND TONIGHT. 

* WINDS...WEST 20 TO 30 MPH WITH GUSTS AROUND 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS AROUND 50 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES.

&&

$$
172 
WWUS71 KLWX 291055
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
555 AM EST THU DEC 29 2016

VAZ504-507-508-WVZ502-506-291900-
/O.EXT.KLWX.WI.Y.0021.161229T1700Z-161230T1100Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
555 AM EST THU DEC 29 2016

...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 6 AM EST
FRIDAY...

* TIMING...THIS AFTERNOON THROUGH TONIGHT.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS AROUND 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS AROUND 50 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
835 
WWUS71 KLWX 291441
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
941 AM EST THU DEC 29 2016


VAZ504-507-508-WVZ502-506-292245-
/O.CON.KLWX.WI.Y.0021.161229T1700Z-161230T1100Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
941 AM EST THU DEC 29 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...

* TIMING...THIS AFTERNOON THROUGH TONIGHT.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS AROUND 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS AROUND 50 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
907 
WWUS71 KLWX 291942
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
242 PM EST THU DEC 29 2016


VAZ504-507-508-WVZ502-506-300345-
/O.CON.KLWX.WI.Y.0021.000000T0000Z-161230T1100Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
242 PM EST THU DEC 29 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...

* TIMING...THIS AFTERNOON THROUGH TONIGHT.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS AROUND 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS AROUND 50 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
060 
WWUS71 KLWX 300220
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
920 PM EST THU DEC 29 2016

VAZ504-507-508-WVZ502-506-301030-
/O.CON.KLWX.WI.Y.0021.000000T0000Z-161230T1100Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
920 PM EST THU DEC 29 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...

* TIMING...TONIGHT.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS AROUND 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS AROUND 50 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
263 
WWUS71 KLWX 300553
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1253 AM EST FRI DEC 30 2016


VAZ504-507-508-WVZ502-506-301400-
/O.EXT.KLWX.WI.Y.0021.000000T0000Z-161230T2300Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
1253 AM EST FRI DEC 30 2016

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS EVENING...

* TIMING...THROUGH THIS EVENING.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS AROUND 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS AROUND 50 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
711 
WWUS71 KLWX 301445
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
945 AM EST FRI DEC 30 2016


VAZ504-507-508-WVZ502-506-302300-
/O.CON.KLWX.WI.Y.0021.000000T0000Z-161230T2300Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
945 AM EST FRI DEC 30 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* TIMING...THROUGH THIS EVENING.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS AROUND 50 MPH.

* IMPACTS...STRONG WINDS MAY BLOW DOWN LIMBS...TREES...AND POWER 
  LINES. SCATTERED POWER OUTAGES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS AROUND 50 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

&&

$$
758 
WWUS71 KLWX 302259
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
559 PM EST FRI DEC 30 2016


VAZ504-507-508-WVZ502-506-310000-
/O.CAN.KLWX.WI.Y.0021.000000T0000Z-161230T2300Z/
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-EASTERN GRANT-EASTERN PENDLETON-
INCLUDING THE CITIES OF...MONTEREY...BIG MEADOWS...WINTERGREEN...
PETERSBURG...BRANDYWINE...FRANKLIN...OAK FLAT...RUDDLE...
SUGAR GROVE
559 PM EST FRI DEC 30 2016

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
CANCELLED THE WIND ADVISORY.

NORTHWEST WINDS WILL CONTINUE TO DIMINISH ON THE RIDGES TONIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 3:24 AM ESTSmall Craft AdvisoryLWX27 hr
Dec 28, 3:27 AM ESTWinter Storm WatchLWXHighland26 hr
Dec 28, 2:01 PM ESTGale WarningLWX51 hr

Nearby

Wind Advisories in Virginia, 2016Wind Advisories in West Virginia, 2016Wind Advisories in Maryland, 2016Every wind advisory in 2016

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.