Alert archive / Virginia / Wind Advisories in 2007
Wind Advisory 9, NWS Baltimore/Washington
NWS Baltimore/Washington issued this wind advisory at Dec 15, 2007, 7:33 PM EST for 26 counties in Virginia; 11 counties in Maryland; 7 counties in West Virginia. It took effect at Dec 16, 2007, 3:51 AM EST. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Dec 15, 2007, 7:33 PM EST (00:33 UTC)
- In effect from
- Dec 16, 2007, 3:51 AM EST
- Expired
- Dec 17, 2007, 6:00 AM EST
- In force
- 26 hr
- Issued by
- NWS Baltimore/Washington
All 44 counties
Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Carroll County, MD, Charles County, MD, City of Baltimore, MD, Frederick County, MD, Prince George's County, MD, Saint Mary's County, MD, Washington County, MD, Arlington County, VA, City of Alexandria, VA, City of Charlottesville, VA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, VA, City of Harrisonburg, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Culpeper County, VA, Fairfax County, VA, Frederick County, VA, Greene County, VA, King George County, VA, Madison County, VA, Nelson County, VA, Orange County, VA, Page County, VA, Rappahannock County, VA, Rockingham County, VA, Shenandoah County, VA, Spotsylvania County, VA, Stafford 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
The radar
The Sterling radar (KLWX), 39 km from the middle of the area, began a volume at 00:32 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, 0.6 hours before the alert went out and 44 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 854 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 312 m²/s²
- 0-3 km storm-relative helicity
- 772 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KLWX 160033 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 733 PM EST SAT DEC 15 2007 MDZ016>018-VAZ036>041-050-051-055>057-160845- /O.NEW.KLWX.WI.Y.0009.071216T1800Z-071217T1500Z/ CHARLES-ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON- RAPPAHANNOCK-FAUQUIER-ORANGE-CULPEPER-STAFFORD-SPOTSYLVANIA- KING GEORGE- INCLUDING THE CITIES OF...WALDORF...ST MARYS CITY... CHARLOTTESVILLE...WASHINGTON...CULPEPER...FREDERICKSBURG 733 PM EST SAT DEC 15 2007 ...WIND ADVISORY IN EFFECT FROM 1 PM SUNDAY TO 10 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM SUNDAY TO 10 AM EST MONDAY. WEST WINDS WILL BEGIN TO GUST UP TO 50 MPH SUNDAY AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE NEW ENGLAND COAST. THESE STRONG WIND GUSTS ARE EXPECTED TO CONTINUE THROUGH MID MORNING MONDAY. SPORADIC POWER OUTAGES MAY RESULT FROM DOWNED TREES AND POWER LINES. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ DCZ001-MDZ003>007-009>011-013-014-501-502-VAZ021-025>031-042- 052>054-WVZ050>055-501>504-160845- /O.NEW.KLWX.HW.A.0003.071216T1800Z-071217T1500Z/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-EXTREME WESTERN ALLEGANY- CENTRAL AND EASTERN ALLEGANY-HIGHLAND-AUGUSTA-ROCKINGHAM- SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-LOUDOUN- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-HAMPSHIRE-MORGAN-BERKELEY- JEFFERSON-PENDLETON-HARDY-WESTERN GRANT-EASTERN GRANT- WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... FROSTBURG...CUMBERLAND...STAUNTON...WAYNESBORO...HARRISONBURG... WINCHESTER...FRONT ROYAL...LEESBURG...MANASSAS...MANASSAS PARK... FAIRFAX...ALEXANDRIA...FALLS CHURCH...MARTINSBURG... CHARLES TOWN...BAYARD...PETERSBURG...EMORYVILLE...HARTMANSVILLE... KEYSER...FORT ASHBY 733 PM EST SAT DEC 15 2007 ...HIGH WIND WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING. WEST WINDS WILL BEGIN TO GUST BETWEEN 50 AND 60 MPH SUNDAY AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE NEW ENGLAND COAST. THESE STRONG WIND GUSTS ARE EXPECTED TO CONTINUE THROUGH MID MORNING MONDAY. SPORADIC POWER OUTAGES MAY RESULT FROM DOWNED TREES AND POWER LINES. IN THE MOUNTAINS...SIGNIFICANT TREE AND POWER LINE DAMAGE MAY RESULT DUE TO THE ADDITIONAL WEIGHT OF THE ACCUMULATED ICE...WITH THE POTENTIAL FOR WIDESPREAD POWER OUTAGES. A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. WIND GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ ROGOWSKI/NWL
6 follow-up statements
000 WWUS71 KLWX 160851 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 351 AM EST SUN DEC 16 2007 MDZ501-502-VAZ021-WVZ054-501>504-161700- /O.UPG.KLWX.HW.A.0003.071216T1800Z-071217T1500Z/ /O.NEW.KLWX.HW.W.0004.071216T1800Z-071217T1100Z/ EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND- PENDLETON-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL- EASTERN MINERAL- INCLUDING THE CITIES OF...FROSTBURG...CUMBERLAND...BAYARD... PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 351 AM EST SUN DEC 16 2007 ...HIGH WIND WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 AM EST MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. WEST WINDS WILL BEGIN TO GUST BETWEEN 50 AND 60 MPH THIS AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE NEW ENGLAND COAST. THESE STRONG WIND GUSTS ARE EXPECTED TO CONTINUE THROUGH MID MORNING MONDAY. SPORADIC POWER OUTAGES MAY RESULT FROM DOWNED TREES AND POWER LINES. IN THE MOUNTAINS...SIGNIFICANT TREE AND POWER LINE DAMAGE MAY RESULT DUE TO THE ADDITIONAL WEIGHT OF THE ACCUMULATED ICE...WITH THE POTENTIAL FOR WIDESPREAD POWER OUTAGES. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. $$ DCZ001-MDZ003>007-009>011-013-014-VAZ025>031-042-052>054- WVZ050>053-055-161700- /O.UPG.KLWX.HW.A.0003.071216T1800Z-071217T1500Z/ /O.EXB.KLWX.WI.Y.0009.071216T1800Z-071217T1100Z/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-AUGUSTA-ROCKINGHAM-SHENANDOAH- FREDERICK VA-PAGE-WARREN-CLARKE-LOUDOUN- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-HAMPSHIRE-MORGAN-BERKELEY- JEFFERSON-HARDY- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... STAUNTON...WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL... LEESBURG...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA... FALLS CHURCH...MARTINSBURG...CHARLES TOWN 351 AM EST SUN DEC 16 2007 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 AM EST MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. WEST WINDS WILL BEGIN TO GUST UP TO 50 MPH THIS AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE NEW ENGLAND COAST. THESE STRONG WIND GUSTS ARE EXPECTED TO CONTINUE THROUGH MID MORNING MONDAY. SPORADIC POWER OUTAGES MAY RESULT FROM DOWNED TREES AND POWER LINES. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ MDZ016>018-VAZ036>041-050-051-055>057-161700- /O.EXT.KLWX.WI.Y.0009.071216T1800Z-071217T1100Z/ CHARLES-ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON- RAPPAHANNOCK-FAUQUIER-ORANGE-CULPEPER-STAFFORD-SPOTSYLVANIA- KING GEORGE- INCLUDING THE CITIES OF...WALDORF...ST MARYS CITY... CHARLOTTESVILLE...WASHINGTON...CULPEPER...FREDERICKSBURG 351 AM EST SUN DEC 16 2007 ...WIND ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 AM EST MONDAY... WEST WINDS WILL BEGIN TO GUST UP TO 50 MPH THIS AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE NEW ENGLAND COAST. THESE STRONG WIND GUSTS ARE EXPECTED TO CONTINUE THROUGH MID MORNING MONDAY. SPORADIC POWER OUTAGES MAY RESULT FROM DOWNED TREES AND POWER LINES. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWUS71 KLWX 161605 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1105 AM EST SUN DEC 16 2007 MDZ501-502-VAZ021-WVZ054-501>504-170015- /O.CON.KLWX.HW.W.0004.071216T1800Z-071217T1100Z/ EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND- PENDLETON-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL- EASTERN MINERAL- INCLUDING THE CITIES OF...FROSTBURG...CUMBERLAND...BAYARD... PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 1105 AM EST SUN DEC 16 2007 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. WEST WINDS WILL BEGIN TO GUST BETWEEN 50 AND 60 MPH THIS AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE ATLANTIC COAST TOWARD NEW ENGLAND. THESE STRONG WIND GUSTS ARE EXPECTED TO CONTINUE THROUGH MID MORNING MONDAY. SPORADIC POWER OUTAGES MAY RESULT FROM DOWNED TREES AND POWER LINES. IN THE MOUNTAINS...SIGNIFICANT TREE AND POWER LINE DAMAGE MAY RESULT DUE TO THE ADDITIONAL WEIGHT OF THE ACCUMULATED ICE...WITH THE POTENTIAL FOR WIDESPREAD POWER OUTAGES. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. $$ DCZ001-MDZ003>007-009>011-013-014-016>018-VAZ025>031-036>042- 050>057-WVZ050>053-055-170015- /O.CON.KLWX.WI.Y.0009.071216T1800Z-071217T1100Z/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON- ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN-ORANGE- CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... WALDORF...ST MARYS CITY...STAUNTON...WAYNESBORO...HARRISONBURG... WINCHESTER...FRONT ROYAL...CHARLOTTESVILLE...LEESBURG... CULPEPER...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA... FALLS CHURCH...FREDERICKSBURG...MARTINSBURG...CHARLES TOWN 1105 AM EST SUN DEC 16 2007 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. WEST WINDS WILL BEGIN TO GUST UP TO 50 MPH THIS AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE ATLANTIC COAST TOWARD NEW ENGLAND. THESE STRONG WIND GUSTS ARE EXPECTED TO CONTINUE THROUGH MID MORNING MONDAY. SPORADIC POWER OUTAGES MAY RESULT FROM DOWNED TREES AND POWER LINES. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ HTS
000 WWUS71 KLWX 162019 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 319 PM EST SUN DEC 16 2007 MDZ501-502-VAZ021-WVZ054-501>504-170430- /O.CON.KLWX.HW.W.0004.000000T0000Z-071217T1100Z/ EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND- PENDLETON-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL- EASTERN MINERAL- INCLUDING THE CITIES OF...FROSTBURG...CUMBERLAND...BAYARD... PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 319 PM EST SUN DEC 16 2007 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. WEST WINDS WILL BEGIN TO GUST BETWEEN 50 AND 60 MPH LATE THIS AFTERNOON...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE ATLANTIC COAST TOWARD NEW ENGLAND. THE STRONGEST WIND GUSTS WILL OCCUR THIS EVENING...BEFORE DIMINISHING SLIGHTLY OVERNIGHT. THE HIGHEST WIND GUSTS WILL BE FOUND ACROSS THE RIDGES. IT WILL STILL BE WINDY ON MONDAY...BUT SPEEDS WILL GRADUALLY SUBSIDE THROUGH THE DAY. WINDS AT THESE SPEEDS WILL BE CAPABLE OF DOWNING TREES AND POWER LINES. POWER OUTAGES MAY RESULT. IN THE MOUNTAINS...SIGNIFICANT TREE AND POWER LINE DAMAGE MAY RESULT DUE TO THE ADDITIONAL WEIGHT OF THE ACCUMULATED ICE...WITH THE POTENTIAL FOR WIDESPREAD POWER OUTAGES. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. $$ DCZ001-MDZ003>007-009>011-013-014-016>018-VAZ025>031-036>042- 050>057-WVZ050>053-055-170430- /O.CON.KLWX.WI.Y.0009.000000T0000Z-071217T1100Z/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON- ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN-ORANGE- CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... WALDORF...ST MARYS CITY...STAUNTON...WAYNESBORO...HARRISONBURG... WINCHESTER...FRONT ROYAL...CHARLOTTESVILLE...LEESBURG... CULPEPER...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA... FALLS CHURCH...FREDERICKSBURG...MARTINSBURG...CHARLES TOWN 319 PM EST SUN DEC 16 2007 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. WEST WINDS WILL BEGIN TO GUST UP TO 50 MPH LATE THIS AFTERNOON AND EARLY THIS EVENING...AS A DEEP LOW PRESSURE SYSTEM MOVES UP THE ATLANTIC COAST TOWARD NEW ENGLAND. THE STRONGEST WIND GUSTS WILL OCCUR FROM MID EVENING UNTIL JUST PAST MIDNIGHT. THE HIGHEST WIND GUSTS WILL BE FOUND ACROSS THE RIDGES. WINDS AT THESE SPEEDS WILL BE CAPABLE OF BREAKING OFF TREE LIMBS AND TOPPLING WEAKENED TREES AND UNSECURED OBJECTS. SPORADIC POWER OUTAGES MAY RESULT. MORE WIDESPREAD DAMAGE MAY BE POSSIBLE ACROSS THE MOUNTAINS IN AREAS WHICH RECEIVED ICE ACCUMULATIONS EARLY THIS MORNING. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ HTS
000 WWUS71 KLWX 170206 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 906 PM EST SUN DEC 16 2007 MDZ501-502-VAZ021-WVZ054-501>504-171015- /O.CAN.KLWX.HW.W.0004.000000T0000Z-071217T1100Z/ /O.EXA.KLWX.WI.Y.0009.000000T0000Z-071217T1100Z/ EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND- PENDLETON-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL- EASTERN MINERAL- INCLUDING THE CITIES OF...FROSTBURG...CUMBERLAND...BAYARD... PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 906 PM EST SUN DEC 16 2007 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EST MONDAY. THE HIGH WIND WARNING HAS BEEN CANCELLED. DEEP LOW PRESSURE CONTINUES TO MOVE UP THE ATLANTIC COAST TOWARD NEW ENGLAND. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE OVERNIGHT. WINDS AT THESE SPEEDS WILL BE CAPABLE OF BREAKING OFF TREE LIMBS AND TOPPLING WEAKENED TREES AND UNSECURED OBJECTS. SPORADIC POWER OUTAGES MAY RESULT. MORE WIDESPREAD DAMAGE MAY BE POSSIBLE ACROSS THE MOUNTAINS IN AREAS WHICH RECEIVED ICE ACCUMULATIONS EARLY THIS MORNING. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ VAZ036>041-050-051-055>057-170315- /O.CAN.KLWX.WI.Y.0009.000000T0000Z-071217T1100Z/ NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-ORANGE- CULPEPER-STAFFORD-SPOTSYLVANIA-KING GEORGE- INCLUDING THE CITIES OF...CHARLOTTESVILLE...WASHINGTON... CULPEPER...FREDERICKSBURG 906 PM EST SUN DEC 16 2007 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DIMINISHED TO BELOW ADVISORY CRITERIA. $$ DCZ001-MDZ003>007-009>011-013-014-016>018-VAZ025>031-042-052>054- WVZ050>053-055-171015- /O.CON.KLWX.WI.Y.0009.000000T0000Z-071217T1100Z/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-LOUDOUN- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-HAMPSHIRE-MORGAN-BERKELEY- JEFFERSON-HARDY- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... WALDORF...ST MARYS CITY...STAUNTON...WAYNESBORO...HARRISONBURG... WINCHESTER...FRONT ROYAL...LEESBURG...MANASSAS...MANASSAS PARK... FAIRFAX...ALEXANDRIA...FALLS CHURCH...MARTINSBURG...CHARLES TOWN 906 PM EST SUN DEC 16 2007 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. DEEP LOW PRESSURE CONTINUES TO MOVE UP THE ATLANTIC COAST TOWARD NEW ENGLAND. WIND GUSTS OF UP TO 50 MPH WILL BE POSSIBLE INTO THE OVERNIGHT HOURS. WINDS AT THESE SPEEDS WILL BE CAPABLE OF BREAKING OFF TREE LIMBS AND TOPPLING WEAKENED TREES AND UNSECURED OBJECTS. SPORADIC POWER OUTAGES MAY RESULT. MORE WIDESPREAD DAMAGE MAY BE POSSIBLE ACROSS THE MOUNTAINS IN AREAS WHICH RECEIVED ICE ACCUMULATIONS EARLY THIS MORNING. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWUS71 KLWX 170956 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 456 AM EST MON DEC 17 2007 MDZ003-016-017-501-502-VAZ021-025>031-052-WVZ050>055-501>504- 171100- /O.CAN.KLWX.WI.Y.0009.000000T0000Z-071217T1100Z/ WASHINGTON-CHARLES-ST. MARYS-EXTREME WESTERN ALLEGANY- CENTRAL AND EASTERN ALLEGANY-HIGHLAND-AUGUSTA-ROCKINGHAM- SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-HAMPSHIRE-MORGAN-BERKELEY- JEFFERSON-PENDLETON-HARDY-WESTERN GRANT-EASTERN GRANT- WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...WALDORF...ST MARYS CITY... FROSTBURG...CUMBERLAND...STAUNTON...WAYNESBORO...HARRISONBURG... WINCHESTER...FRONT ROYAL...MANASSAS...MANASSAS PARK... MARTINSBURG...CHARLES TOWN...BAYARD...PETERSBURG...EMORYVILLE... HARTMANSVILLE...KEYSER...FORT ASHBY 456 AM EST MON DEC 17 2007 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS CANCELLED THE WIND ADVISORY. $$ DCZ001-MDZ004>007-009>011-013-014-018-VAZ042-053-054-171100- /O.CON.KLWX.WI.Y.0009.000000T0000Z-071217T1100Z/ DISTRICT OF COLUMBIA-FREDERICK MD-CARROLL-NORTHERN BALTIMORE- HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES- ANNE ARUNDEL-CALVERT-LOUDOUN-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA- INCLUDING THE CITIES OF...WASHINGTON...FREDERICK...WESTMINSTER... GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...LEESBURG... FAIRFAX...ALEXANDRIA...FALLS CHURCH 456 AM EST MON DEC 17 2007 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING. DEEP LOW PRESSURE CONTINUES TO MOVE UP THE ATLANTIC COAST TOWARD NEW ENGLAND. WIND GUSTS OF UP TO 50 MPH WILL BE POSSIBLE INTO THE OVERNIGHT HOURS. WINDS AT THESE SPEEDS WILL BE CAPABLE OF BREAKING OFF TREE LIMBS AND TOPPLING WEAKENED TREES AND UNSECURED OBJECTS. SPORADIC POWER OUTAGES WILL CONTINUE. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWUS71 KLWX 171051 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 551 AM EST MON DEC 17 2007 DCZ001-MDZ004>007-009>011-013-014-018-VAZ042-053-054-171200- /O.EXP.KLWX.WI.Y.0009.000000T0000Z-071217T1100Z/ DISTRICT OF COLUMBIA-FREDERICK MD-CARROLL-NORTHERN BALTIMORE- HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES- ANNE ARUNDEL-CALVERT-LOUDOUN-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA- INCLUDING THE CITIES OF...WASHINGTON...FREDERICK...WESTMINSTER... GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...LEESBURG... FAIRFAX...ALEXANDRIA...FALLS CHURCH 551 AM EST MON DEC 17 2007 ...WIND ADVISORY WILL EXPIRE AT 6 AM EST EARLY THIS MORNING... THE WIND ADVISORY WILL EXPIRE AT 6 AM EST EARLY THIS MORNING. WHILE IT WILL REMAIN BREEZY TODAY...WIND SPEEDS HAVE DECREASED BELOW ADVISORY LEVELS. $$
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 Dec 15, 7:33 PM EST, 0 minutes earlier.
Area forecast discussion, Dec 15, 7:33 PM EST, 0 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
733 PM EST SAT DEC 15 2007
.SYNOPSIS...
LOW PRESSURE WILL TRACK INTO THE TENNESSEE VALLEY THIS EVENING...AND
THEN TRANSFER ITS ENERGY TO A NEW LOW OFF THE COAST BY SUNDAY
MORNING. GUSTY WINDS ARE EXPECTED AS THE STORM DEPARTS SUNDAY.
HIGH PRESSURE IS FORECAST TO REBUILD EARLY NEXT WEEK. THE NEXT LOW
PRESSURE SYSTEM WILL SLIDE INTO THE OHIO VALLEY LATE THURSDAY AND
FRIDAY.
&&
.NEAR TERM /UNTIL 6 AM SUNDAY MORNING/...
REGIONAL RADAR LOOP SHOWS THAT PRECIPITATION HAS BEGUN TO
OVERSPREAD THE CWFA. MOST TEMPERATURES IN THE WARNING AREA HAVE
DROPPED TO FREEZING...OR WELL BELOW IN THE HIGHER TERRAIN. EAST OF
THE BLUE RIDGE...TEMPEARTURES RANGE FROM THE LOWER TO MIDDLE 30S.
HAVE MAINLY UPDATED THE FORECAST TO INCLUDE A HIGH WIND WATCH OVER
MUCH OF THE FORECAST AREA...WITH A WIND ADVISORY FOR LOWER
SOUTHERN MARYLAND AND THE CENTRAL FOOTHILLS OF VA. THE MODELS
LOCKED ONTO WINDY CONDITIONS BEHIND THE DEPARTING LOW PRESSURE
SYSTEM DAYS AGO. THE LATEST GUIDANCE SUGGESTS THAT WEST OF THE
BLUE RIDGE...GUSTS TO 55 TO 60 MPH WILL NOT BE OUT OF THE
QUESTION. HAVE GONE AHEAD AND EXTENDED THE HIGH WIND WATCH INTO
THE METRO AREAS...AS BUFKIT SOUNDINGS ARE MORE MARGINAL HERE...BUT
WITH GUSTS AROUND 55 MPH ARE NOT OUT OF THE QUESTION. FURTHER
SOUTH...WINDS GUSTS LOOK TO BE A LITTLE LESS AND HAVE ONLY
HOISTED AN ADVISORY.
FURTHER UPDATES FOR THE WINTRY PRECIP WILL LIKELY BE NEEDED LATER
THIS EVENING.
&&
.SHORT TERM /6 AM SUNDAY MORNING THROUGH 6 PM SUNDAY/...
LOPRES TO MV N OF AREA SUN...TRACKING FAIRLY CLOSE TO CWFA. BEST
PCPN WL BE SHUNTED N/E OF CWFA ELY...AND WLY FLOW SHUD STRT TO SCOUR
OF CLDS. THUS...HV TRIMMED MOST WINTER HEADLINES...ADVY AT 7AM /IF
NOT BEFORE/...AND 1PM IN VLY. WL KEEP WSWRNG IN MTNS AS IS...BASED
ON RDVLPMNT OF SHSN. WNDS SHUD INCR AS STRONG CAA KICKS IN. PROFILES
SUGGEST STRONGEST WNDS SUN NGT...AND THUS WL WAIT ANTHR CYCLE BEFORE
RAISING ANY WND HEADLINES. MAXT NEAR MIDDAY...W/ TEMPS DROPPING OFF
AGN DURING THE AFTN. TOOK BLEND OF GDNC SOLNS.
&&
.LONG TERM /SUNDAY NIGHT THROUGH SATURDAY/...
SUNDAY NIGHT AND MONDAY...A MAJOR COASTAL STORM WILL CONTINUE TO
RAPIDLY INTENSIFY SUNDAY NIGHT AS IT HEADS THROUGH NEW ENGLAND. A
STRONG PRESSURE GRADIENT BETWEEN THIS STORM AND HIGH PRESSURE OVER
THE MIDWEST WILL BRING GUSTY WEST-NORTHWEST WINDS TO THE ENTIRE
CWA FOR SUNDAY NIGHT INTO MONDAY. STRONG COLD ADVECTION WILL
COMBINE WITH WRAP AROUND MOISTURE FROM THIS STORM AND THE GREAT
LAKES TO PRODUCE UPSLOPE SNOW SHOWERS ACROSS THE POTOMAC HIGHLANDS
INTO MONDAY MORNING. 12Z NAM/GFS BUFKIT PROFILES SHOW SATURATED
LOW-LEVELS BELOW 3000 FEET UNDERNEATH THE SUBSIDENCE INVERSION.
THE LAYER OF MAXIMUM DENDRITIC SNOW GROWTH IS ALSO LOCATED FROM
JUST ABOVE THE SURFACE UP TO THE SUBSIDENCE INVERSION. THEREFORE...
WE WENT CATEGORICAL WITH THE POPS AND SOME ACCUMULATION IS LIKELY
ACROSS EXTREME WESTERN MARYLAND AND EASTERN WEST VIRGINIA. HIGH
PRESSURE WILL BUILD OVER THE CWA LATER MONDAY ALLOWING FOR WINDS
TO GRADUALLY SUBSIDE AND SNOW SHOWERS ACROSS THE POTOMAC HIGHLANDS
TO SLOWLY DISSIPATE.
TUESDAY THROUGH SATURDAY...HIGH PRESSURE WILL BUILD OVER THE MID-
ATLANTIC FOR TUESDAY BRINGING DRY AND SEASONABLE CONDITIONS. A
WEAK CLIPPER SYSTEM WILL PASS BY TO OUR NORTH FOR WEDNESDAY WITH
LITTLE IMPACT ON THE WEATHER. HIGH PRESSURE WILL BUILD BACK OVER
THE REGION BEHIND THIS SYSTEM...BUT THE NEXT STORM SYSTEM WILL BE
ON ITS HEELS BRINGING A CHANCE FOR PRECIPITATION LATER THURSDAY
AND FRIDAY. AS OF NOW IT LOOKS LIKE THIS WILL BE A RAIN PRODUCER.
WEAK HIGH PRESSURE MAY MOVE IN BEHIND THIS SYSTEM TO START NEXT
WEEKEND.
&&
.AVIATION /00Z SUNDAY THROUGH THURSDAY/...
MOSTLY VFR ATTM...THO CIGS WL DROP TO MVFR SHORTLY. XPCT RAPID
DETERIORATION BLO IFR TNGT. PTYPE WL BE MOSTLY RA...W/ SOME PL AT
ONSET. MAY BE A PD OF FZRA AT IAD /TIL 07Z/ AND CHO /TIL 10Z/...
CONDITIONAL ON THERMAL PROFILES.
&&
.MARINE...
SCA REMAINS FOR 20 KT IN BLDG SLY FLOW TNGT AND SUN. HOWEVER...A
STRONG PRESSURE GRADIENT BETWEEN THE COASTAL STORM MOVING THROUGH
NEW ENGLAND AND HIGH PRESSURE OVER THE MIDWEST WILL BRING GALE
FORCE WIND GUSTS FROM THE WEST-NORTHWEST LATER SUNDAY AFTERNOON
INTO EARLY MONDAY MORNING. A GALE WARNING IS IN EFFECT FROM 4 PM
SUNDAY UNTIL 7 AM MONDAY MORNING. WINDS WILL GRADUALLY SUBSIDE ON
MONDAY AS HIGH PRESSURE DRAWS CLOSER BUT A SMALL CRAFT WINDS ARE
STILL EXPECTED. HIGH PRESSURE WILL BRING TRANQUIL CONDITIONS FOR
THE MIDDLE PART OF THE WEEK AND THE NEXT STORM SYSTEM WILL
APPROACH LATE IN THE WEEK.
&&
.TIDES/COASTAL FLOODING...
TIDAL DEPARTURES REMAIN PSBL LT TNGT/SUN MRNG AS LOPRES MV UP COAST.
GDNC ATTM SUGGESTING 1-2FT ANOMOLIES...WHICH WUD APPROACH MAT ALNG
WRN SHORE OF BAY AT HIGH TIDE.
&&
.LWX WATCHES/WARNINGS/ADVISORIES...
DC...WINTER WEATHER ADVISORY UNTIL 7 AM EST SUNDAY FOR DCZ001.
HIGH WIND WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING
FOR DCZ001.
MD...WINTER WEATHER ADVISORY UNTIL 7 AM EST SUNDAY FOR MDZ004>007-
009>011-013-014.
WIND ADVISORY FROM 1 PM SUNDAY TO 10 AM EST MONDAY FOR
MDZ016>018.
WINTER STORM WARNING UNTIL 6 PM EST SUNDAY FOR MDZ501-502.
HIGH WIND WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING
FOR MDZ003>007-009>011-013-014-501-502.
WINTER STORM WARNING UNTIL 1 PM EST SUNDAY FOR MDZ003.
VA...WINTER WEATHER ADVISORY UNTIL 7 AM EST SUNDAY FOR VAZ036>042-
050>056.
WIND ADVISORY FROM 1 PM SUNDAY TO 10 AM EST MONDAY FOR
VAZ036>041-050-051-055>057.
WINTER STORM WARNING UNTIL 6 PM EST SUNDAY FOR VAZ021.
HIGH WIND WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING
FOR VAZ021-025>031-042-052>054.
WINTER STORM WARNING UNTIL 1 PM EST SUNDAY FOR VAZ025>031.
WV...WINTER STORM WARNING UNTIL 6 PM EST SUNDAY FOR WVZ050-054-055-
501>504.
HIGH WIND WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING
FOR WVZ050>055-501>504.
WINTER STORM WARNING UNTIL 1 PM EST SUNDAY FOR WVZ051>053.
MARINE...SMALL CRAFT ADVISORY UNTIL 4 PM EST SUNDAY FOR ANZ530>537.
GALE WARNING FROM 4 PM SUNDAY TO 10 AM EST MONDAY FOR
ANZ530>537.
&&
SYNOPSIS...HTS
NEAR TERM...NWL
SHORT TERM...HTS
LONG TERM...BJL
AVIATION...BJL/HTS
MARINE...BJL/HTS
TIDES/COASTAL FLOODING...Hazardous weather outlook, Dec 15, 4:36 PM EST, 2 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 436 PM EST SAT DEC 15 2007 ANZ530>537-DCZ001-MDZ003>007-009>011-013-014-016>018-501-502- VAZ021-025>031-036>042-050>057-WVZ050>055-501>504-161000- 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- DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND- AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE- NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN- ORANGE-CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- 436 PM EST SAT DEC 15 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE EASTERN SHORE INCLUDING THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...EASTERN WEST VIRGINIA...NORTHERN AND CENTRAL VIRGINIA... WASHINGTON DC AND THE TIDAL POTOMAC RIVER. .DAY ONE...TONIGHT A WINTER STORM WARNING CONTINUES FOR AREAS WEST OF THE BLUE RIDGE THIS AFTERNOON THROUGH SUNDAY MORNING. ICE ACCUMULATIONS FROM FREEZING RAIN OF UP TO ONE QUARTER OF AN INCH IS LIKELY...WITH LOCAL AMOUNTS OF UP TO ONE HALF OF AN INCH POSSIBLE IN THE HIGHER ELEVATIONS. SNOW AND OR SLEET ACCUMULATIONS WILL BE MINIMAL IN THE WARNING AREA AT UNDER 1 INCH. A WINTER WEATHER ADVISORY CONTINUES FOR AREAS EAST OF THE BLUE RIDGE MOUNTAINS TO THE I-95 CORRIDOR...INCLUDING THE BALTIMORE AND WASHINGTON DC METROPOLITAN AREAS. MINIMAL ICE ACCUMULATION IS ANTICIPATED ALONG THE INTERSTATE 95 CORRIDOR...WITH A TENTH OR TWO OF ICING POSSIBLE JUST EAST OF THE BLUE RIDGE MOUNTAINS AND ALONG THE MASON DIXON LINE. LITTLE OR NO SNOW AND OR SLEET ACCUMULATION IS EXPECTED IN THE ADVISORY AREA. A SMALL CRAFT ADVISORY REMAINS IN EFFECT ACROSS THE MARYLAND CHESAPEAKE BAY AND TIDAL POTOMAC RIVER OVERNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A GALE CONDITIONS ARE EXPECTED THROUGH MONDAY MORNING FOR GUSTY NORTHWEST WINDS BEHIND THE WINTER STORM. SMALL CRAFT ADVISORY CONDITIONS ON THE BAY AND TIDAL POTOMAC ARE LIKELY MONDAY AFTERNOON. IN ADDITION...WIND GUSTS UP TO 45 MPH ARE POSSIBLE OVER THE LAND AREAS ON SUNDAY WHICH COULD CAUSE DOWNING OF TREES AND POWER LINES IN AREAS WHERE THERE IS APPRECIABLE GLAZE ICE ACCUMULATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT. HOWEVER...REPORTS OF ICING...SLEET OR SNOW WOULD BE APPRECIATED THIS WEEKEND.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 7:33 PM EST | High Wind Watch | LWX | Arlington, Clarke, Fairfax, Frederick, Page, Rockingham and 9 more | 8 hr |
| Dec 16, 3:51 AM EST | High Wind Warning | LWX | 17 hr | |
| Dec 16, 3:58 AM EST | Snow Advisory | LWX | 26 hr |
Nearby
Wind Advisories in Virginia, 2007Wind Advisories in Maryland, 2007Wind Advisories in West Virginia, 2007Every wind advisory in 2007
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.