Alert archive / Virginia / Wind Advisories in 2017

Wind Advisory 13, NWS Baltimore/Washington

May 2, 201712 counties in Virginia; Allegany County, Maryland; Grant County, Mineral County, Pendleton County, West Virginia

NWS Baltimore/Washington issued this wind advisory at May 2, 2017, 4:40 AM EDT for 12 counties in Virginia; Allegany County, Maryland; Grant County, Mineral County, Pendleton County, West Virginia. It took effect at May 2, 2017, 10:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
May 2, 2017, 4:40 AM EDT (08:40 UTC)
In effect from
May 2, 2017, 10:00 AM EDT
Expired
May 2, 2017, 6:00 PM EDT
In force
8 hr
Issued by
NWS Baltimore/Washington

Counties Allegany County, MD, 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, Mineral County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 128 km from the middle of the area, began a volume at 08:41 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 00:00Z, 8.7 hours before the alert went out and 134 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 00:00Z on 2017-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 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, Washington/Dulle, VA at 00:00Z on 2017-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 195 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
403 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
913 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
195 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
0.7
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

262 
WWUS71 KLWX 020840
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
440 AM EDT Tue May 2 2017


MDZ501-502-WVZ501>506-021645-
/O.NEW.KLWX.WI.Y.0013.170502T1400Z-170502T2200Z/
Extreme Western Allegany-Central and Eastern Allegany-
Western Grant-Eastern Grant-Western Mineral-Eastern Mineral-
Western Pendleton-Eastern Pendleton-
Including the cities of Frostburg, Cumberland, Bayard, 
Mount Storm, Petersburg, Elk Garden, Antioch, Keyser, New Creek, 
Ridgeville, Russelldale, Headsville, Fort Ashby, Riverton, 
Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove
440 AM EDT Tue May 2 2017

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EDT
THIS EVENING...

The National Weather Service in Baltimore MD/Washington has
issued a Wind Advisory, which is in effect from 10 AM this
morning to 6 PM EDT this evening.

* TIMING...Late this morning through this afternoon.

* WINDS...West 20 to 30 mph with gusts up to 55 mph.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result. 

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.

&&

$$
4 follow-up statements
030 
WWUS71 KLWX 020937
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
537 AM EDT Tue May 2 2017


VAZ503-504-021745-
/O.EXA.KLWX.WI.Y.0013.170502T1400Z-170502T2200Z/
Western Highland-Eastern Highland-
Including the cities of Hightown and Monterey
537 AM EDT Tue May 2 2017

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EDT
THIS EVENING...

The National Weather Service in Baltimore MD/Washington has
issued a Wind Advisory, which is in effect from 10 AM this
morning to 6 PM EDT this evening.

* TIMING...Late this morning through this afternoon.

* WINDS...West 20 to 30 mph with gusts up to 55 mph.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

* IMPACTS...Scattered tree and power line damage. Difficulty 
  driving high profile vehicles.

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.

&&

$$

MDZ501-502-WVZ501>506-021745-
/O.CON.KLWX.WI.Y.0013.170502T1400Z-170502T2200Z/
Extreme Western Allegany-Central and Eastern Allegany-
Western Grant-Eastern Grant-Western Mineral-Eastern Mineral-
Western Pendleton-Eastern Pendleton-
Including the cities of Frostburg, Cumberland, Bayard, 
Mount Storm, Petersburg, Elk Garden, Antioch, Keyser, New Creek, 
Ridgeville, Russelldale, Headsville, Fort Ashby, Riverton, 
Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove
537 AM EDT Tue May 2 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
6 PM EDT THIS EVENING...

* TIMING...Late this morning through this afternoon.

* WINDS...West 20 to 30 mph with gusts up to 55 mph.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

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.

&&

$$
010 
WWUS71 KLWX 021659
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1259 PM EDT Tue May 2 2017

MDZ501-502-VAZ503-504-WVZ501>506-022200-
/O.CON.KLWX.WI.Y.0013.000000T0000Z-170502T2200Z/
Extreme Western Allegany-Central and Eastern Allegany-
Western Highland-Eastern Highland-Western Grant-Eastern Grant-
Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Cumberland, Hightown, 
Monterey, Bayard, Mount Storm, Petersburg, Elk Garden, Antioch, 
Keyser, New Creek, Ridgeville, Russelldale, Headsville, 
Fort Ashby, Riverton, Brandywine, Franklin, Oak Flat, Ruddle, 
and Sugar Grove
1259 PM EDT Tue May 2 2017

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

* TIMING...This afternoon.

* WINDS...West 20 to 30 mph with gusts 50 to 55 mph.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 50 to 55 mph are expected. 
Winds this strong can make driving difficult, especially for high 
profile vehicles.

&&

$$
266 
WWUS71 KLWX 021753
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
153 PM EDT Tue May 2 2017

VAZ507-508-022200-
/O.EXA.KLWX.WI.Y.0013.000000T0000Z-170502T2200Z/
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Including the cities of Big Meadows and Wintergreen
153 PM EDT Tue May 2 2017

...WIND ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

The National Weather Service in Baltimore MD/Washington has
issued a Wind Advisory, which is in effect until 6 PM EDT this
evening.

* TIMING...This afternoon.

* WINDS...West 20 to 30 mph with gusts of 50 to 55 mph. 

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 50 to 55 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles.

&&

$$

MDZ501-502-VAZ503-504-WVZ501>506-022200-
/O.CON.KLWX.WI.Y.0013.000000T0000Z-170502T2200Z/
Extreme Western Allegany-Central and Eastern Allegany-
Western Highland-Eastern Highland-Western Grant-Eastern Grant-
Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Cumberland, Hightown, 
Monterey, Bayard, Mount Storm, Petersburg, Elk Garden, Antioch, 
Keyser, New Creek, Ridgeville, Russelldale, Headsville, 
Fort Ashby, Riverton, Brandywine, Franklin, Oak Flat, Ruddle, 
and Sugar Grove
153 PM EDT Tue May 2 2017

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

* TIMING...This afternoon.

* WINDS...West 20 to 30 mph with gusts of 50 to 55 mph.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 50 to 55 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles.

&&

$$
402 
WWUS71 KLWX 022157
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
557 PM EDT Tue May 2 2017

MDZ501-502-VAZ503-504-507-508-WVZ501>506-022300-
/O.EXP.KLWX.WI.Y.0013.000000T0000Z-170502T2200Z/
Extreme Western Allegany-Central and Eastern Allegany-
Western Highland-Eastern Highland-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-Western Grant-Eastern Grant-
Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Cumberland, Hightown, 
Monterey, Big Meadows, Wintergreen, Bayard, Mount Storm, 
Petersburg, Elk Garden, Antioch, Keyser, New Creek, Ridgeville, 
Russelldale, Headsville, Fort Ashby, Riverton, Brandywine, 
Franklin, Oak Flat, Ruddle, and Sugar Grove
557 PM EDT Tue May 2 2017

...WIND ADVISORY WILL EXPIRE AT 6 PM EDT THIS EVENING...

Winds have dropped below criteria and will remain below for the
remainder of the evening and night.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 9:38 PM EDTSpecial Marine WarningLWX52 min
May 1, 11:21 PM EDTSpecial Marine WarningLWX114 min
May 1, 11:24 PM EDTSpecial Marine WarningLWX2 hr
May 2, 8:09 AM EDTCoastal Flood AdvisoryLWXAnne Arundel5 hr

Nearby

Wind Advisories in Virginia, 2017Wind Advisories in West Virginia, 2017Wind Advisories in Maryland, 2017Every wind advisory in 2017

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.