Alert archive / Virginia / Wind Advisories in 2017

Wind Advisory 12, NWS Baltimore/Washington

April 6, 201719 counties in Virginia; 8 counties in West Virginia; Allegany County, Frederick County, Washington County, Maryland

NWS Baltimore/Washington issued this wind advisory at Apr 6, 2017, 12:50 PM EDT for 19 counties in Virginia; 8 counties in West Virginia; Allegany County, Frederick County, Washington County, Maryland. It took effect at Apr 6, 2017, 2:00 PM EDT. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Apr 6, 2017, 12:50 PM EDT (16:50 UTC)
In effect from
Apr 6, 2017, 2:00 PM EDT
Expired
Apr 7, 2017, 7:01 PM EDT
In force
29 hr
Issued by
NWS Baltimore/Washington
All 30 counties

Allegany County, MD, Frederick 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), 99 km from the middle of the area, began a volume at 16:51 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, 4.8 hours before the alert went out and 106 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 2017-04-06Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2017-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 square meters per square second.1939587897117136156Sfc1 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
550 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
459 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

142 
WWUS71 KLWX 061650
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1250 PM EDT Thu Apr 6 2017

MDZ501-VAZ025-026-503-504-507-508-WVZ501>503-505-506-070100-
/O.NEW.KLWX.WI.Y.0012.170406T1800Z-170408T0000Z/
Extreme Western Allegany-Augusta-Rockingham-Western Highland-
Eastern Highland-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-Western Grant-Eastern Grant-
Western Mineral-Western Pendleton-Eastern Pendleton-
Including the cities of Frostburg, Staunton, Waynesboro, 
Stuarts Draft, Harrisonburg, Hightown, Monterey, Big Meadows, 
Wintergreen, Bayard, Mount Storm, Petersburg, Elk Garden, 
Riverton, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove
1250 PM EDT Thu Apr 6 2017

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

The National Weather Service in Baltimore MD/Washington has
issued a Wind Advisory, which is in effect until 8 PM EDT Friday.

* TIMING...Through Friday evening for elevations above 2000 feet.

* WINDS...West 25 to 35 mph with gusts around 50 mph for
  elevations above 2000 feet...becoming northwest Friday morning. 

* 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.

&&

$$
6 follow-up statements
749 
WWUS71 KLWX 062024
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
424 PM EDT Thu Apr 6 2017


VAZ025-026-507-508-070430-
/O.NEW.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Augusta-Rockingham-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-
Including the cities of Staunton, Waynesboro, Stuarts Draft, 
Harrisonburg, Big Meadows, and Wintergreen
424 PM EDT Thu Apr 6 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY...
...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY
MORNING...

The National Weather Service in Baltimore MD/Washington has
issued a Freeze Watch, which is in effect from late Friday night
through Saturday morning.

* TEMPERATURES...In the low 30s Friday night.

* TIMING...Strong winds through Friday evening for elevations
  above 2000 feet. Freezing temperautres late Friday night.

* WINDS...West 15 to 25 mph with gusts up to 50 mph.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are expected. Freezing
  temperatures may kill sensitive vegetation.

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.

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$

MDZ501-VAZ503-504-WVZ501>503-505-506-070430-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Extreme Western Allegany-Western Highland-Eastern Highland-
Western Grant-Eastern Grant-Western Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Hightown, Monterey, Bayard, 
Mount Storm, Petersburg, Elk Garden, Riverton, Brandywine, 
Franklin, Oak Flat, Ruddle, and Sugar Grove
424 PM EDT Thu Apr 6 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY...

* TIMING...Through Friday evening for elevations above 2000 feet.

* WINDS...West 20 to 30 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.

&&

$$

MDZ003>006-503-505-507-VAZ027>031-036>040-050-051-501-502-505-
WVZ051>053-070430-
/O.NEW.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Washington-Frederick MD-Carroll-Northern Baltimore-
Northwest Montgomery-Northwest Howard-Northwest Harford-
Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson-Albemarle-
Greene-Madison-Rappahannock-Orange-Culpeper-Northern Fauquier-
Southern Fauquier-Western Loudoun-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Frederick, Ballenger Creek, 
Eldersburg, Westminster, Reisterstown, Cockeysville, Germantown, 
Damascus, Lisbon, Jarrettsville, Strasburg, Woodstock, 
Mount Jackson, New Market, Winchester, Luray, Shenandoah, 
Stanley, Front Royal, Berryville, Lovingston, Charlottesville, 
Stanardsville, Madison, Washington, Orange, Gordonsville, 
Culpeper, Warrenton, Turnbull, Purcellville, Paw Paw, 
Martinsburg, Charles Town, and Shepherdstown
424 PM EDT Thu Apr 6 2017

...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY
MORNING...

The National Weather Service in Baltimore MD/Washington has
issued a Freeze Watch, which is in effect from late Friday night
through Saturday morning.

* TEMPERATURES...In the low 30s.

* IMPACTS...Freezing temperatures may kill sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$
744 
WWUS71 KLWX 070039
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
839 PM EDT Thu Apr 6 2017


VAZ025-026-507-508-070845-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
/O.CON.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Augusta-Rockingham-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-
Including the cities of Staunton, Waynesboro, Stuarts Draft, 
Harrisonburg, Big Meadows, and Wintergreen
839 PM EDT Thu Apr 6 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SATURDAY MORNING...

* TEMPERATURES...In the low 30s Friday night.

* TIMING...Strong winds through Friday evening for elevations 
  above 2000 feet. Freezing temperautres late Friday night.

* WINDS...West 15 to 25 mph with gusts up to 50 mph.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected. Freezing 
  temperatures may kill sensitive vegetation.

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.

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$

MDZ501-VAZ503-504-WVZ501>503-505-506-070845-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Extreme Western Allegany-Western Highland-Eastern Highland-
Western Grant-Eastern Grant-Western Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Hightown, Monterey, Bayard, 
Mount Storm, Petersburg, Elk Garden, Riverton, Brandywine, 
Franklin, Oak Flat, Ruddle, and Sugar Grove
839 PM EDT Thu Apr 6 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY...

* TIMING...Through Friday evening for elevations above 2000 feet.

* WINDS...West 20 to 30 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.

&&

$$

MDZ003>006-503-505-507-VAZ027>031-036>040-050-051-501-502-505-
WVZ051>053-070845-
/O.CON.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Washington-Frederick MD-Carroll-Northern Baltimore-
Northwest Montgomery-Northwest Howard-Northwest Harford-
Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson-Albemarle-
Greene-Madison-Rappahannock-Orange-Culpeper-Northern Fauquier-
Southern Fauquier-Western Loudoun-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Frederick, Ballenger Creek, 
Eldersburg, Westminster, Reisterstown, Cockeysville, Germantown, 
Damascus, Lisbon, Jarrettsville, Strasburg, Woodstock, 
Mount Jackson, New Market, Winchester, Luray, Shenandoah, 
Stanley, Front Royal, Berryville, Lovingston, Charlottesville, 
Stanardsville, Madison, Washington, Orange, Gordonsville, 
Culpeper, Warrenton, Turnbull, Purcellville, Paw Paw, 
Martinsburg, Charles Town, and Shepherdstown
839 PM EDT Thu Apr 6 2017

...FREEZE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SATURDAY MORNING...

* TEMPERATURES...In the low 30s.

* IMPACTS...Freezing temperatures may kill sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$
564 
WWUS71 KLWX 070821
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
421 AM EDT Fri Apr 7 2017


VAZ025-026-507-508-071630-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
/O.CON.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Augusta-Rockingham-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-
Including the cities of Staunton, Waynesboro, Stuarts Draft, 
Harrisonburg, Big Meadows, and Wintergreen
421 AM EDT Fri Apr 7 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

* TEMPERATURES...In the low 30s Friday night.

* TIMING...Strong winds through this evening for elevations above
  2000 feet. Freezing temperautres late tonight.

* WINDS...West 15 to 25 mph with gusts up to 50 mph.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected. Freezing 
  temperatures may kill sensitive vegetation.

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.

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$

MDZ501-VAZ503-504-WVZ501>503-505-506-071630-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Extreme Western Allegany-Western Highland-Eastern Highland-
Western Grant-Eastern Grant-Western Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Hightown, Monterey, Bayard, 
Mount Storm, Petersburg, Elk Garden, Riverton, Brandywine, 
Franklin, Oak Flat, Ruddle, and Sugar Grove
421 AM EDT Fri Apr 7 2017

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

* TIMING...Through this evening for elevations above 2000 feet.

* WINDS...West 20 to 30 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.

&&

$$

MDZ003>006-503-505-507-VAZ027>031-036>040-050-051-501-502-505-
WVZ051>053-071630-
/O.CON.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Washington-Frederick MD-Carroll-Northern Baltimore-
Northwest Montgomery-Northwest Howard-Northwest Harford-
Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson-Albemarle-
Greene-Madison-Rappahannock-Orange-Culpeper-Northern Fauquier-
Southern Fauquier-Western Loudoun-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Frederick, Ballenger Creek, 
Eldersburg, Westminster, Reisterstown, Cockeysville, Germantown, 
Damascus, Lisbon, Jarrettsville, Strasburg, Woodstock, 
Mount Jackson, New Market, Winchester, Luray, Shenandoah, 
Stanley, Front Royal, Berryville, Lovingston, Charlottesville, 
Stanardsville, Madison, Washington, Orange, Gordonsville, 
Culpeper, Warrenton, Turnbull, Purcellville, Paw Paw, 
Martinsburg, Charles Town, and Shepherdstown
421 AM EDT Fri Apr 7 2017

...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

* TEMPERATURES...In the low 30s.

* IMPACTS...Freezing temperatures may kill sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$
120 
WWUS71 KLWX 071453
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1053 AM EDT Fri Apr 7 2017

MDZ003-004-VAZ027>031-WVZ051>053-072300-
/O.EXB.KLWX.WI.Y.0012.170407T1500Z-170408T0000Z/
/O.CON.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Washington-Frederick MD-Shenandoah-Frederick VA-Page-Warren-
Clarke-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Frederick, Ballenger Creek, 
Strasburg, Woodstock, Mount Jackson, New Market, Winchester, 
Luray, Shenandoah, Stanley, Front Royal, Berryville, Paw Paw, 
Martinsburg, Charles Town, and Shepherdstown
1053 AM EDT Fri Apr 7 2017

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

The National Weather Service in Baltimore MD/Washington has
issued a Wind Advisory, which is in effect until 8 PM EDT this
evening.

* TEMPERATURES...In the low 30s late tonight.

* TIMING...Strongest winds are expected this afternoon and early
  evening. Freezing temperatures late tonight.

* WINDS...West to northwest 20 to 30 mph with gusts around 50 mph.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. Freezing 
  temperatures may kill sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

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.

&&

$$

MDZ502-WVZ050-055-504-072300-
/O.EXB.KLWX.WI.Y.0012.170407T1500Z-170408T0000Z/
Central and Eastern Allegany-Hampshire-Hardy-Eastern Mineral-
Including the cities of Cumberland, Romney, Moorefield, Antioch, 
Keyser, New Creek, Ridgeville, Russelldale, Headsville, 
and Fort Ashby
1053 AM EDT Fri Apr 7 2017

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

The National Weather Service in Baltimore MD/Washington has
issued a Wind Advisory, which is in effect until 8 PM EDT this
evening.

* TIMING...Strongest winds are expected this afternoon and early
  evening.

* WINDS...West to northwest 20 to 30 mph with gusts around 50 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 45 to 55 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles.

&&

$$

VAZ025-026-507-508-072300-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
/O.CON.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Augusta-Rockingham-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-
Including the cities of Staunton, Waynesboro, Stuarts Draft, 
Harrisonburg, Big Meadows, and Wintergreen
1053 AM EDT Fri Apr 7 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

* TEMPERATURES...In the low 30s late tonight.

* TIMING...Strong winds through this evening for elevations 
  above 2000 feet. Freezing temperatures late tonight.

* WINDS...West to northwest 20 to 30 mph with gusts around 50 
  mph.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. Freezing 
  temperatures may kill sensitive vegetation.

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.

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$

MDZ501-VAZ503-504-WVZ501>503-505-506-072300-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Extreme Western Allegany-Western Highland-Eastern Highland-
Western Grant-Eastern Grant-Western Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Hightown, Monterey, Bayard, 
Mount Storm, Petersburg, Elk Garden, Riverton, Brandywine, 
Franklin, Oak Flat, Ruddle, and Sugar Grove
1053 AM EDT Fri Apr 7 2017

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

* TIMING...Through this evening for elevations above 2000 feet.

* WINDS...West to northwest 20 to 30 mph with gusts around 50 
  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 45 to 55 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles.

&&

$$

MDZ005-006-503-505-507-VAZ036>040-050-051-501-502-505-072300-
/O.CON.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
Carroll-Northern Baltimore-Northwest Montgomery-Northwest Howard-
Northwest Harford-Nelson-Albemarle-Greene-Madison-Rappahannock-
Orange-Culpeper-Northern Fauquier-Southern Fauquier-
Western Loudoun-
Including the cities of Eldersburg, Westminster, Reisterstown, 
Cockeysville, Germantown, Damascus, Lisbon, Jarrettsville, 
Lovingston, Charlottesville, Stanardsville, Madison, Washington, 
Orange, Gordonsville, Culpeper, Warrenton, Turnbull, 
and Purcellville
1053 AM EDT Fri Apr 7 2017

...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

* TEMPERATURES...In the low 30s late tonight.

* IMPACTS...Freezing temperatures may kill sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$
147 
WWUS71 KLWX 071731
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
131 PM EDT Fri Apr 7 2017

VAZ025-026-507-508-080145-
/O.UPG.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
/O.NEW.KLWX.FZ.W.0001.170408T0500Z-170408T1300Z/
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Augusta-Rockingham-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-
Including the cities of Staunton, Waynesboro, Stuarts Draft, 
Harrisonburg, Big Meadows, and Wintergreen
131 PM EDT Fri Apr 7 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY...

The National Weather Service in Baltimore MD/Washington has
issued a Freeze Warning, which is in effect from 1 AM to 9 AM EDT
Saturday. The Freeze Watch is no longer in effect.

* TEMPERATURES...Lower 30s. 

* WINDS...Northwest 20 to 30 mph with gusts around 50 mph for 
  elevations above 2000 feet. 

* TIMING...Strongest winds are expected late this afternoon and
  early evening. Freezing temperatures are expected late tonight 
  through early Saturday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. Freezing
  temperatures will kill sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

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.

&&

$$

MDZ003-004-VAZ027>031-WVZ051>053-080145-
/O.UPG.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
/O.NEW.KLWX.FZ.W.0001.170408T0500Z-170408T1300Z/
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Washington-Frederick MD-Shenandoah-Frederick VA-Page-Warren-
Clarke-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Frederick, Ballenger Creek, 
Strasburg, Woodstock, Mount Jackson, New Market, Winchester, 
Luray, Shenandoah, Stanley, Front Royal, Berryville, Paw Paw, 
Martinsburg, Charles Town, and Shepherdstown
131 PM EDT Fri Apr 7 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY...

The National Weather Service in Baltimore MD/Washington has
issued a Freeze Warning, which is in effect from 1 AM to 9 AM EDT
Saturday. The Freeze Watch is no longer in effect.

* TEMPERATURES...Lower 30s. 

* WINDS...Northwest 20 to 30 mph with gusts around 50 mph.
 
* TIMING...Strongest winds are expected late this afternoon and
  early evening. Freezing temperatures are expected late tonight 
  through early Saturday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are possible. Freezing
  temperatures will kill sensitive vegetation.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

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.

&&

$$

MDZ005-006-503-505-507-VAZ036>040-050-051-501-502-505-080145-
/O.UPG.KLWX.FZ.A.0001.170408T0500Z-170408T1300Z/
/O.NEW.KLWX.FZ.W.0001.170408T0500Z-170408T1300Z/
Carroll-Northern Baltimore-Northwest Montgomery-Northwest Howard-
Northwest Harford-Nelson-Albemarle-Greene-Madison-Rappahannock-
Orange-Culpeper-Northern Fauquier-Southern Fauquier-
Western Loudoun-
Including the cities of Eldersburg, Westminster, Reisterstown, 
Cockeysville, Germantown, Damascus, Lisbon, Jarrettsville, 
Lovingston, Charlottesville, Stanardsville, Madison, Washington, 
Orange, Gordonsville, Culpeper, Warrenton, Turnbull, 
and Purcellville
131 PM EDT Fri Apr 7 2017

...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY...

The National Weather Service in Baltimore MD/Washington has
issued a Freeze Warning, which is in effect from 1 AM to 9 AM EDT
Saturday. The Freeze Watch is no longer in effect.

* TEMPERATURES...lower 30s. 

* TIMING...Late tonight through early Saturday morning. 

* IMPACTS...Freezing temperatures will kill sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

MDZ501-VAZ503-504-WVZ501>503-505-506-080000-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Extreme Western Allegany-Western Highland-Eastern Highland-
Western Grant-Eastern Grant-Western Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Hightown, Monterey, Bayard, 
Mount Storm, Petersburg, Elk Garden, Riverton, Brandywine, 
Franklin, Oak Flat, Ruddle, and Sugar Grove
131 PM EDT Fri Apr 7 2017

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

* TIMING...The strongest winds are expected late this afternoon
  through early this evening for elevations above 2000 feet.

* WINDS...Northwest 20 to 30 mph with gusts around 50 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 45 to 55 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles.

&&

$$

MDZ502-WVZ050-055-504-080000-
/O.CON.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Central and Eastern Allegany-Hampshire-Hardy-Eastern Mineral-
Including the cities of Cumberland, Romney, Moorefield, Antioch, 
Keyser, New Creek, Ridgeville, Russelldale, Headsville, 
and Fort Ashby
131 PM EDT Fri Apr 7 2017

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

* TIMING...The strongest winds are expected late this afternoon
  and early evening. 

* WINDS...Northwest 20 to 30 mph with gusts around 50 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 45 to 55 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles.

&&

$$
950 
WWUS71 KLWX 072301
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
701 PM EDT Fri Apr 7 2017


MDZ003-004-VAZ025>031-507-508-WVZ051>053-080715-
/O.CAN.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
/O.CON.KLWX.FZ.W.0001.170408T0500Z-170408T1300Z/
Washington-Frederick MD-Augusta-Rockingham-Shenandoah-
Frederick VA-Page-Warren-Clarke-Northern Virginia Blue Ridge-
Central Virginia Blue Ridge-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Frederick, Ballenger Creek, 
Staunton, Waynesboro, Stuarts Draft, Harrisonburg, Strasburg, 
Woodstock, Mount Jackson, New Market, Winchester, Luray, 
Shenandoah, Stanley, Front Royal, Berryville, Big Meadows, 
Wintergreen, Paw Paw, Martinsburg, Charles Town, 
and Shepherdstown
701 PM EDT Fri Apr 7 2017

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT
SATURDAY...
...WIND ADVISORY IS CANCELLED...

The National Weather Service in Baltimore MD/Washington has
cancelled the Wind Advisory. The Freeze Warning remains in effect.

* TEMPERATURES...In the low 30s.

* TIMING...Late tonight through early Saturday morning.

* IMPACTS...Tender vegetation may be damaged or killed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

MDZ501-502-VAZ503-504-WVZ050-055-501>506-080015-
/O.CAN.KLWX.WI.Y.0012.000000T0000Z-170408T0000Z/
Extreme Western Allegany-Central and Eastern Allegany-
Western Highland-Eastern Highland-Hampshire-Hardy-Western Grant-
Eastern Grant-Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Cumberland, Hightown, 
Monterey, Romney, Moorefield, Bayard, Mount Storm, Petersburg, 
Elk Garden, Antioch, Keyser, New Creek, Ridgeville, Russelldale, 
Headsville, Fort Ashby, Riverton, Brandywine, Franklin, Oak Flat,
Ruddle, and Sugar Grove
701 PM EDT Fri Apr 7 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Baltimore MD/Washington has
cancelled the Wind Advisory.


$$

MDZ005-006-503-505-507-VAZ036>040-050-051-501-502-505-080715-
/O.CON.KLWX.FZ.W.0001.170408T0500Z-170408T1300Z/
Carroll-Northern Baltimore-Northwest Montgomery-Northwest Howard-
Northwest Harford-Nelson-Albemarle-Greene-Madison-Rappahannock-
Orange-Culpeper-Northern Fauquier-Southern Fauquier-
Western Loudoun-
Including the cities of Eldersburg, Westminster, Reisterstown, 
Cockeysville, Germantown, Damascus, Lisbon, Jarrettsville, 
Lovingston, Charlottesville, Stanardsville, Madison, Washington, 
Orange, Gordonsville, Culpeper, Warrenton, Turnbull, 
and Purcellville
701 PM EDT Fri Apr 7 2017

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT
SATURDAY...

* TEMPERATURES...In the low 30s.

* TIMING...Late tonight through early Saturday morning.

* IMPACTS...Tender vegetation may be damaged or killed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this wind advisory went out at Apr 6, 9:57 AM EDT, 2 hours 53 minutes earlier.

Area forecast discussion, Apr 6, 9:57 AM EDT, 2 hours 53 minutes before
Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
957 AM EDT Thu Apr 6 2017

.SYNOPSIS...
Low pressure will move northeast across the Great Lakes today
and tonight. Its associated cold front will cross the region
today. High pressure then builds over the area through early
next week.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
Low pressure at 13z is located near Cleveland, with the
secondary low appearing to be taking shape near the northwestern
tip of VA. The attendant cold front stretches south along the
Appalachians. Warm front has made some northward progress from
earlier this morning, now appearing to stretch from Shenandoah-
Prince William-Calvert. Some question how much this can advance
given the rain this morning. Round one of isentropic/shortwave
induced rain and storms has mainly been affecting areas east of
the Blue Ridge. Low levels are still stable, and thus the near
term threat for severe is low, although will need to watch cells
south of the warm front.

Cold frontal precipitation is located along the Appalachians,
with a noted increase in lightning near our southwest border in
the last hour. As this spreads east, it will likely pose the
biggest severe threat of this event, although that is still
somewhat in question, since ongoing convection is likely
affecting the vertical temperature/moisture profile. Ascent and
shear will be there though, it's just a question of
organization and instability. Will have to keep an eye on hydro
too, although moderate rates and some breaks between storms
should limit concerns to urban and low-lying ponding. Current
timing suggests the second area of storms will exit by 3 PM.

Previous discussion:

Both the surface and upper low will be tracking northeast today
while deepening impressively and taking on a negative tilt. That
will be drawing moisture northward. There will be low-level
stability to overcome, but since the timing looks to be a little
bit later than yesterday's guidance, there is a fighting chance
that can happen...especially south of DC. Hodographs still are
exhibiting some low-level curvature as well.

Primary concern would be straight line winds. But, if something
can develop in advance, that's where the helicity will come
into play. Hence, hail and a tornado or two are secondary risks.
Best instability, and thus severe risk, will be east of the
Blue Ridge.

By mid-late afternoon, drier air will be working in as the cold
front lifts northeast. There could still be some residual
showers as cooler air rushes in, but the thunder threat will be
over. Wouldn't rule out some small hail due to low freezing
level. Gradient winds will be quite strong in the cool sector,
with mean layer mixing above 30 kt. Am not going with a Wind
Advisory anywhere yet, but that may be a consideration.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/...
The air mass will continue to dry out tonight as the low lifts
northeast and colder/drier air move in. However, northwest flow
will be fairly deep, with numerous shortwaves to enhance lift.
The only question will be how cold will it get. It appears to be
sufficient for a period of upslope snow for the western slopes
of the Appalachians late tonight into Friday. Several inches
likely, but am not quite as certain as to how wet this snow will
be. Considering its April, the answer is probably it will be...
and that cuts down on ratios. There is room for another model
run before any possible Advisories.

The 500 mb trough axis associated with the upper low pivots
through Friday morning. Consequences of that will be chance
showers almost areawide, followed by another good burst of wind
given deep mixing. Not quite as much wind in the mean layer as
today, but should still be some 30 kt gusts.

Heights finally start to rise Friday night, and continue to do
so through Saturday. Still a tight pressure gradient, so
anticipate gusty winds will continue...especially during the day
with diurnal mixing. Temperatures will start to rebound as well.
But, night time temps on the cool side. Think there will be too
much wind for frost until Saturday night. The cooler of the two
nights will be Friday night. A freeze in outlying areas not out
of the realm of possibility. Saturday night will be a pinch
warmer, but areas of frost possible Saturday night.

&&

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
High pressure will be to the south Sunday. Upper level ridging will
move overhead by Sunday night resulting in dry conditions through
the start of the work week. High pressure will move off the coast
Sun night and southerly flow will increase by Monday. SW flow will
continue through Tuesday. A cold front will cross the region Tuesday-
Tuesday night bringing the chance for rain showers.

Temperatures will be above normal Sun-Tue. Cooler air returns for
Wednesday.

&&

.AVIATION /14Z THURSDAY THROUGH MONDAY/...
IFR conditions affecting the terminals at the moment as round
one of rain/storms overspread low level stable airmass. Still
have some improvement as this round moves out and warm front
lifts north to at least DC, but exact evolution still somewhat
question, as round two of showers and storms quickly moves east
during the midday hours.

A cold front will accompany the second round of storms with a
wind shift to the SW. Some strong storms will be possible. Wind
gusts to 40-50kt will be the biggest threat, centered near 15-16Z
for CHO/MRB, 17-18Z for the metros...give or take an hour or
two. Brief aob IFR probable if a thunderstorm directly affects
an airfield.

From late this afternoon through tonight, VFR will prevail.
Gusty winds (30-35 kt) likely as the direction veers from
southwest to northwest. Winds will subside overnight before
picking back up again Friday. An upper level trough may bring
more brief MVFR on Friday, followed by gusty winds.

General improvement will come through Saturday night under VFR.
Winds will decrease through the period but remain gusty.

VFR conditions expected Sun-Mon as well.

&&

.MARINE...
Winds have become southerly and increased south of the warm
front which stretches from Piney Point to Plum Point. Expect
winds on northern waters to increase as the day progresses.
Initial round of rain and storms posing more of a lightning
threat than wind. Not only will there be a gradient concern,
but another period of thunderstorms will affect the waters
during the midday, bringing 40-50+ kt winds. Gradient winds
behind the storms will support Gales, late afternoon into
evening. Winds will diminish somewhat overnight, but another
disturbance will bring a renewed period of strong gusty winds
Friday into Friday evening. Have extended the Gale Warning for
all waters into Friday. Small Craft Advisories likely after that
Friday night and Saturday as the pressure gradient slowly
relaxes.

Southerly winds are expected on the waters Sun-Tue, but finally
below Small Craft thresholds.

&&

.TIDES/COASTAL FLOODING...
Water levels running 1.5 to 2 feet above astronomical
predictions. Have therefore needed to make some adjustments to
Advisories. Have added Calvert and southern Baltimore, where
anomalies support at least grazing minor thresholds. Have held
off on Harford for now considering high tide is not until 7 PM.

On the Potomac, southwest DC and Alexandria should match
previous cycle if not exceed it by a few inches. Have an
Advisory in effect through the day. Dahlgren will need to be
monitored as well, considering how close it came overnight.

Should have strong westerly winds tonight behind a cold front,
turning northwest by Friday. We are forecasting a gradual
decrease. While that will be the case, it remains to be seen how
quickly anomalies will be driven out. We may not be completely
out of the woods for the Thursday night into Friday morning
tide cycle.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...Coastal Flood Advisory until 8 PM EDT this evening for DCZ001.
MD...Coastal Flood Advisory until 3 PM EDT this afternoon for
     MDZ017-018.
     Coastal Flood Advisory until 9 PM EDT this evening for MDZ011-
     014.
VA...Coastal Flood Advisory until 8 PM EDT this evening for VAZ054.
WV...None.
MARINE...Gale Warning until 6 PM EDT Friday for ANZ530>543.

&&

SYNOPSIS...HTS
NEAR TERM...ADS/HTS
SHORT TERM...HTS
LONG TERM...HSK
AVIATION...ADS/HSK/HTS
MARINE...ADS/HSK/HTS
TIDES/COASTAL FLOODING...LWX
Hazardous weather outlook, Apr 6, 12:50 PM EDT, 0 minutes before
Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
1250 PM EDT Thu Apr 6 2017

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-071000-
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Southern Baltimore-Prince Georges-
Anne Arundel-Charles-St. Marys-Calvert-Southeast Harford-
Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-
1250 PM EDT Thu Apr 6 2017

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and adjacent counties in
central Maryland and northern Virginia as well as the District of
Columbia.

.DAY ONE...This Afternoon and Tonight

A Severe Thunderstorm Watch is in effect until 5 pm this afternoon
for the outlook area. Damaging winds and large hail are the
primary threats. An isolated tornado cannot be ruled out.

Strong wind gusts may continue in the wake of the cold front late
this afternoon and evening.

A Gale Warning is in effect for the Maryland portion of the
Chesapeake Bay and tidal Potomac River.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A Gale Warning has been issued for the Maryland portion of the
Chesapeake Bay and tidal Potomac River Friday.

Areas of frost will be possible west of I-95 early Saturday and Sunday
mornings.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

MDZ003>006-501>507-VAZ025>031-036>040-050-051-501>508-WVZ050>053-
055-501>506-071000-
Washington-Frederick MD-Carroll-Northern Baltimore-
Extreme Western Allegany-Central and Eastern Allegany-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-
Nelson-Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper-
Northern Fauquier-Southern Fauquier-Western Highland-
Eastern Highland-Western Loudoun-Eastern Loudoun-
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Hampshire-Morgan-Berkeley-Jefferson-Hardy-Western Grant-
Eastern Grant-Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
1250 PM EDT Thu Apr 6 2017

This Hazardous Weather Outlook is for eastern West Virginia,
northern and central Virginia, and central and western Maryland
with the exception of Garrett County.

.DAY ONE...This Afternoon and Tonight

A Severe Thunderstorm Watch is in effect for portions of northern
Virginia...central maryland and central Virginia until 5 pm.
Damaging winds and large hail are the primary threats. An
isolated tornado cannot be ruled out.

A Wind advisory is in effect through tonight for the ridge tops of
the Allegheny and Potomac Highlands as well as the Blue Ridge
Mountains. A Winter Weather Advisory is in effect tonight for
locations along and west of the Allegheny Front.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The Winter Weather Advisory continues through 2 pm Friday and the
Wind Advisory continues until 8 pm Friday evening.

A freeze will be possible early Saturday morning west of the Blue
Ridge. Areas of frost will be possible areawide early Sunday
morning. The growing season has started along and east of the I-81
corridor.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

In the hours before

Local storm report, Apr 6, 12:28 PM EDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 PM EDT THU APR 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1227 PM     TSTM WND GST     1 WSW NASONS            38.25N  78.04W
04/06/2017  M61 MPH          ORANGE             VA   AWOS

&&

EVENT NUMBER LWX1701684

ADS
Local storm report, Apr 6, 12:34 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1234 PM EDT THU APR 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 PM     MARINE TSTM WIND POINT LOOKOUT           38.04N  76.32W
04/06/2017  M61 MPH          ANZ537             MD   BUOY

&&

EVENT NUMBER LWX1701685

WOODY!

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 10:32 AM EDTWinter Weather AdvisoryLWXHighland27 hr
Apr 6, 11:41 AM EDTSpecial Marine WarningLWX64 min
Apr 6, 11:41 AM EDTSevere Thunderstorm WarningLWXKing George, Stafford38 min
Apr 6, 12:03 PM EDTSpecial Marine WarningLWX87 min
Apr 6, 12:17 PM EDTSevere Thunderstorm WarningLWXOrange, Spotsylvania29 min
Apr 6, 12:43 PM EDTSevere Thunderstorm WarningLWXCulpeper, Fairfax, Fauquier, Orange, Prince William, Spotsylvania and 4 more47 min
Apr 6, 1:00 PM EDTSpecial Marine WarningLWX45 min
Apr 6, 1:12 PM EDTSevere Thunderstorm WarningLWXArlington, Fairfax, Fauquier, Loudoun, Prince William, Stafford and 5 more48 min
Apr 6, 1:26 PM EDTTornado WarningLWXFairfax, Loudoun, Prince William19 min
Apr 6, 1:53 PM EDTSpecial Marine WarningLWX82 min
Apr 6, 2:30 PM EDTSpecial Marine WarningLWX90 min
Apr 6, 4:21 PM EDTSpecial Marine WarningLWX54 min
Apr 6, 4:24 PM EDTFreeze WatchLWXAlbemarle, Amherst, Augusta, Clarke, Culpeper, Fauquier and 17 more21 hr
Apr 6, 7:57 PM EDTSmall Craft AdvisoryLWX48 hr
Apr 6, 3:18 AM EDTCoastal Flood AdvisoryLWXCalvert, Harford, Saint Mary's25 hr
Apr 6, 1:57 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Howard, Montgomery48 min
Apr 6, 2:01 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Calvert, Howard, Montgomery, Prince George's and 1 more44 min
Apr 6, 2:48 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford27 min
Apr 6, 4:18 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Prince George's, Saint Mary's27 min
Apr 6, 6:15 PM EDTAreal Flood WarningLWXBaltimore6 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.