Alert archive / Virginia / Wind Advisories in 2009
Wind Advisory 2, NWS Baltimore/Washington
NWS Baltimore/Washington issued this wind advisory at Feb 11, 2009, 3:40 PM EST for 26 counties in Virginia; 11 counties in Maryland; 7 counties in West Virginia. It took effect at Feb 12, 2009, 2:00 AM EST. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2009, 3:40 PM EST (20:40 UTC)
- In effect from
- Feb 12, 2009, 2:00 AM EST
- Expired
- Feb 12, 2009, 11:51 PM EST
- In force
- 22 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 20:38 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, 8.7 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
- 1550 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 175 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 112040 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 340 PM EST WED FEB 11 2009 MDZ003-501-502-VAZ021-025>031-WVZ050>055-501>504-120445- /O.UPG.KLWX.HW.A.0001.090212T0500Z-090213T0500Z/ /O.NEW.KLWX.HW.W.0001.090212T0500Z-090213T0500Z/ WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- HIGHLAND-AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN- CLARKE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND... STAUNTON...WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL... MARTINSBURG...CHARLES TOWN...BAYARD...PETERSBURG...EMORYVILLE... HARTMANSVILLE...KEYSER...FORT ASHBY 340 PM EST WED FEB 11 2009 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST THURSDAY NIGHT. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. A STRONG LOW PRESSURE SYSTEM OVER THE MIDWEST U.S. WILL MOVE NORTHEAST ACROSS THE GREAT LAKES REGION TONIGHT. THIS SYSTEM WILL BRING STRONG GUSTY WINDS TO THE MID ATLANTIC REGION LATER TONIGHT THROUGH LATE THURSDAY EVENING. ALONG AND WEST OF THE BLUE RIDGE...WIND GUSTS AROUND 60 MPH ARE POSSIBLE...MOST LIKELY ACROSS HIGHER ELEVATION RIDGE TOPS. 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. $$ MDZ004-VAZ042-120445- /O.NEW.KLWX.HW.W.0001.090212T0700Z-090213T0500Z/ FREDERICK MD-LOUDOUN- INCLUDING THE CITIES OF...FREDERICK...LEESBURG 340 PM EST WED FEB 11 2009 ...HIGH WIND WARNING IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT. A STRONG LOW PRESSURE SYSTEM OVER THE MIDWEST U.S. WILL MOVE NORTHEAST ACROSS THE GREAT LAKES REGION TONIGHT. THIS SYSTEM WILL BRING STRONG GUSTY WINDS TO THE MID ATLANTIC REGION LATE TONIGHT THROUGH LATE THURSDAY EVENING. WIND GUSTS AROUND 60 MPH ARE POSSIBLE...MOST LIKELY ACROSS HIGHER ELEVATIONS RIDGE TOPS ON THE BLUE RIDGE AND ON THE CATOCTINS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. $$ DCZ001-MDZ005>007-009>011-013-014-016>018-VAZ036>041-050>057- 120445- /O.NEW.KLWX.WI.Y.0002.090212T0700Z-090213T0500Z/ DISTRICT OF COLUMBIA-CARROLL-NORTHERN BALTIMORE-HARFORD- MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL- CHARLES-ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON- RAPPAHANNOCK-FAUQUIER-ORANGE-CULPEPER- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- INCLUDING THE CITIES OF...WASHINGTON...WESTMINSTER... GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...WALDORF... ST MARYS CITY...CHARLOTTESVILLE...CULPEPER...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... FREDERICKSBURG 340 PM EST WED FEB 11 2009 ...WIND ADVISORY IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT. A STRONG LOW PRESSURE SYSTEM OVER THE MIDWEST U.S. WILL MOVE NORTHEAST ACROSS THE GREAT LAKES REGION TONIGHT. THIS SYSTEM WILL BRING STRONG GUSTY WINDS TO THE MID ATLANTIC REGION LATE TONIGHT THROUGH LATE THURSDAY EVENING. WIND GUSTS AROUND 45 MPH WILL BE COMMON...WITH SOME GUSTS UP TO 55 MPH POSSIBLE. A WIND ADVISORY MEANS THAT WINDS GUSTS AROUND 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
8 follow-up statements
000 WWUS71 KLWX 120316 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1016 PM EST WED FEB 11 2009 MDZ003-501-502-VAZ021-025>031-WVZ050>055-501>504-121130- /O.CON.KLWX.HW.W.0001.090212T0500Z-090213T0500Z/ WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- HIGHLAND-AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN- CLARKE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND... STAUNTON...WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL... MARTINSBURG...CHARLES TOWN...BAYARD...PETERSBURG...EMORYVILLE... HARTMANSVILLE...KEYSER...FORT ASHBY 1016 PM EST WED FEB 11 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST THURSDAY NIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST THURSDAY NIGHT. A STRONG LOW PRESSURE SYSTEM OVER THE MIDWEST U.S. WILL MOVE NORTHEAST ACROSS THE GREAT LAKES REGION TONIGHT. THIS SYSTEM WILL BRING STRONG GUSTY WINDS TO THE MID ATLANTIC REGION LATER TONIGHT THROUGH LATE THURSDAY EVENING. ALONG AND WEST OF THE BLUE RIDGE... WIND GUSTS AROUND 60 MPH ARE POSSIBLE...MOST LIKELY ACROSS HIGHER ELEVATION RIDGE TOPS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. $$ MDZ004-VAZ042-121130- /O.CON.KLWX.HW.W.0001.090212T0700Z-090213T0500Z/ FREDERICK MD-LOUDOUN- INCLUDING THE CITIES OF...FREDERICK...LEESBURG 1016 PM EST WED FEB 11 2009 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT... A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT. A STRONG LOW PRESSURE SYSTEM OVER THE MIDWEST U.S. WILL MOVE NORTHEAST ACROSS THE GREAT LAKES REGION TONIGHT. THIS SYSTEM WILL BRING STRONG GUSTY WINDS TO THE MID ATLANTIC REGION LATE TONIGHT THROUGH LATE THURSDAY EVENING. WIND GUSTS AROUND 60 MPH ARE POSSIBLE...MOST LIKELY ACROSS HIGHER ELEVATIONS RIDGE TOPS ON THE BLUE RIDGE AND ON THE CATOCTINS. 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. $$ DCZ001-MDZ005>007-009>011-013-014-016>018-VAZ036>041-050>057- 121130- /O.CON.KLWX.WI.Y.0002.090212T0700Z-090213T0500Z/ DISTRICT OF COLUMBIA-CARROLL-NORTHERN BALTIMORE-HARFORD- MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL- CHARLES-ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON- RAPPAHANNOCK-FAUQUIER-ORANGE-CULPEPER- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- INCLUDING THE CITIES OF...WASHINGTON...WESTMINSTER... GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...WALDORF... ST MARYS CITY...CHARLOTTESVILLE...CULPEPER...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... FREDERICKSBURG 1016 PM EST WED FEB 11 2009 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT... A WIND ADVISORY REMAINS IN EFFECT FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT. A STRONG LOW PRESSURE SYSTEM OVER THE MIDWEST U.S. WILL MOVE NORTHEAST ACROSS THE GREAT LAKES REGION TONIGHT. THIS SYSTEM WILL BRING STRONG GUSTY WINDS TO THE MID ATLANTIC REGION LATE TONIGHT THROUGH LATE THURSDAY EVENING. WIND GUSTS AROUND 45 MPH WILL BE COMMON...WITH SOME GUSTS UP TO 55 MPH POSSIBLE. A WIND ADVISORY MEANS THAT WINDS GUSTS AROUND 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWUS71 KLWX 120922 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 422 AM EST THU FEB 12 2009 MDZ005>007-009>011-121730- /O.UPG.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ /O.EXA.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ CARROLL-NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD- SOUTHERN BALTIMORE- INCLUDING THE CITIES OF...WESTMINSTER...GAITHERSBURG...COLUMBIA... BALTIMORE 422 AM EST THU FEB 12 2009 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. THE WIND ADVISORY IS NO LONGER IN EFFECT. A POWERFUL COLD FRONT MOVED ACROSS THE AREA LAST NIGHT. STRONG GUSTY WINDS WILL OCCUR BEHIND THE FRONT ACROSS THE MID ATLANTIC TODAY INTO THIS EVENING. SUSTAINED WEST WINDS OF 25 TO 35 MPH WILL GUST UP TO 60 MPH AT TIMES. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ003-501-502-VAZ021-025>031-WVZ050>055-501>504-121730- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- HIGHLAND-AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN- CLARKE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND... STAUNTON...WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL... MARTINSBURG...CHARLES TOWN...BAYARD...PETERSBURG...EMORYVILLE... HARTMANSVILLE...KEYSER...FORT ASHBY 422 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A POWERFUL COLD FRONT MOVED ACROSS THE AREA LAST NIGHT. STRONG GUSTY WINDS WILL OCCUR BEHIND THE FRONT ACROSS THE MID ATLANTIC TODAY INTO THIS EVENING. SUSTAINED WEST WINDS OF 25 TO 35 MPH WILL GUST UP TO 60 MPH AT TIMES...WITH GUSTS POSSIBLY GREATER THAN 65 MPH ACROSS THE RIDGE TOPS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ004-VAZ042-121730- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ FREDERICK MD-LOUDOUN- INCLUDING THE CITIES OF...FREDERICK...LEESBURG 422 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A POWERFUL COLD FRONT MOVED ACROSS THE AREA LAST NIGHT. STRONG GUSTY WINDS WILL OCCUR BEHIND THE FRONT ACROSS THE MID ATLANTIC TODAY INTO THIS EVENING. SUSTAINED WEST WINDS OF 25 TO 35 MPH WILL GUST UP TO 60 MPH AT TIMES. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ DCZ001-MDZ013-014-016>018-VAZ036>041-050>057-121730- /O.CON.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-CHARLES- ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK- FAUQUIER-ORANGE-CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK- FAIRFAX-ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...WALDORF... ST MARYS CITY...CHARLOTTESVILLE...CULPEPER...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... FREDERICKSBURG 422 AM EST THU FEB 12 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A POWERFUL COLD FRONT MOVED ACROSS THE AREA LAST NIGHT. STRONG GUSTY WINDS WILL OCCUR BEHIND THE FRONT ACROSS THE MID ATLANTIC TODAY INTO THIS EVENING. SUSTAINED WEST WINDS OF 20 TO 30 MPH WILL GUST UP TO 45 MPH...AND MAY EVEN REACH 55 MPH AT TIMES. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ PELOQUIN
000 WWUS71 KLWX 121620 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1120 AM EST THU FEB 12 2009 MDZ003-501-502-VAZ021-025>031-WVZ050>055-501>504-130030- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- HIGHLAND-AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN- CLARKE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND... STAUNTON...WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL... MARTINSBURG...CHARLES TOWN...BAYARD...PETERSBURG...EMORYVILLE... HARTMANSVILLE...KEYSER...FORT ASHBY 1120 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 35 MPH...WIND WIND GUSTS TO 60 TO 65 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ004-VAZ042-130030- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ FREDERICK MD-LOUDOUN- INCLUDING THE CITIES OF...FREDERICK...LEESBURG 1120 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 35 MPH...WIND WIND GUSTS TO 60 TO 65 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ005>007-009>011-130030- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ CARROLL-NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD- SOUTHERN BALTIMORE- INCLUDING THE CITIES OF...WESTMINSTER...GAITHERSBURG...COLUMBIA... BALTIMORE 1120 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 30 MPH...WIND WIND GUSTS TO 60 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ DCZ001-MDZ013-014-016>018-VAZ036>041-050>057-130030- /O.CON.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-CHARLES- ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK- FAUQUIER-ORANGE-CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK- FAIRFAX-ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...WALDORF... ST MARYS CITY...CHARLOTTESVILLE...CULPEPER...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... FREDERICKSBURG 1120 AM EST THU FEB 12 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 30 MPH...WIND WIND GUSTS TO 50 TO 55 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. THERE MAY ALSO BE A FEW BROKEN TREE BRANCHES. LOOSE OBJECTS OUTDOORS SUCH AS TRASH CANS WILL BE BLOWN AROUND. USE EXTRA CAUTION. $$ HTS
000 WWUS71 KLWX 121631 CCA NPWLWX URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1130 AM EST THU FEB 12 2009 MDZ003-501-502-VAZ021-025>031-WVZ050>055-501>504-130045- /O.COR.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- HIGHLAND-AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN- CLARKE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND... STAUNTON...WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL... MARTINSBURG...CHARLES TOWN...BAYARD...PETERSBURG...EMORYVILLE... HARTMANSVILLE...KEYSER...FORT ASHBY 1130 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 35 MPH...WIND GUSTS TO 60 TO 65 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ004-VAZ042-130045- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ FREDERICK MD-LOUDOUN- INCLUDING THE CITIES OF...FREDERICK...LEESBURG 1130 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 35 MPH...WIND WIND GUSTS TO 60 TO 65 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ005>007-009>011-130045- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ CARROLL-NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD- SOUTHERN BALTIMORE- INCLUDING THE CITIES OF...WESTMINSTER...GAITHERSBURG...COLUMBIA... BALTIMORE 1130 AM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 30 MPH...WIND WIND GUSTS TO 60 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ DCZ001-MDZ013-014-016>018-VAZ036>041-050>057-130045- /O.CON.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-CHARLES- ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK- FAUQUIER-ORANGE-CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK- FAIRFAX-ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...WALDORF... ST MARYS CITY...CHARLOTTESVILLE...CULPEPER...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... FREDERICKSBURG 1130 AM EST THU FEB 12 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 30 MPH...WIND WIND GUSTS TO 50 TO 55 MPH. WINDS WILL BEGIN TO DIMINISH DURING THE MID TO LATE AFTERNOON HOURS. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. THERE MAY ALSO BE A FEW BROKEN TREE BRANCHES. LOOSE OBJECTS OUTDOORS SUCH AS TRASH CANS WILL BE BLOWN AROUND. USE EXTRA CAUTION. $$ HTS
000 WWUS71 KLWX 122042 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 342 PM EST THU FEB 12 2009 MDZ009>011-501-502-VAZ021-025>031-042-WVZ050-054-055-501>504- 130445- /O.CAN.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ /O.EXA.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-EXTREME WESTERN ALLEGANY- CENTRAL AND EASTERN ALLEGANY-HIGHLAND-AUGUSTA-ROCKINGHAM- SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-LOUDOUN-HAMPSHIRE- PENDLETON-HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL- EASTERN MINERAL- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... FROSTBURG...CUMBERLAND...STAUNTON...WAYNESBORO...HARRISONBURG... WINCHESTER...FRONT ROYAL...LEESBURG...BAYARD...PETERSBURG... EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 342 PM EST THU FEB 12 2009 ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. THE HIGH WIND WARNING HAS BEEN CANCELLED. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. WINDS HAVE BEGUN TO DIMINISH...BUT SUSTAINED WINDS WILL STILL REACH 15 TO 25 MPH...WITH WIND GUSTS UP TO 50 MPH. WINDS WILL CONTINUE TO DECREASE THIS EVENING. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. THERE MAY ALSO BE A FEW BROKEN TREE BRANCHES. LOOSE OBJECTS OUTDOORS SUCH AS TRASH CANS WILL BE BLOWN AROUND. USE EXTRA CAUTION. $$ MDZ016>018-VAZ036>039-050-051-055>057-122145- /O.CAN.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ CHARLES-ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-MADISON-ORANGE- CULPEPER-STAFFORD-SPOTSYLVANIA-KING GEORGE- INCLUDING THE CITIES OF...WALDORF...ST MARYS CITY... CHARLOTTESVILLE...CULPEPER...FREDERICKSBURG 342 PM EST THU FEB 12 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS CANCELLED THE WIND ADVISORY. WINDY CONDITIONS WILL CONTINUE INTO THIS EVENING. BUT...ANY GUSTS SHOULD BE BELOW 45 MPH. THUS...THE WIND ADVISORY HAS BEEN CANCELLED. $$ MDZ003-WVZ051>053-130445- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ WASHINGTON-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...MARTINSBURG...CHARLES TOWN 342 PM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE INTO THIS EVENING AS STRONG LOW PRESSURE OFF DOWNEAST MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 35 MPH...WITH WIND GUSTS TO 60 MPH. WINDS WILL BEGIN TO DIMINISH LATE TONIGHT. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ004-130445- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ FREDERICK MD- INCLUDING THE CITY OF...FREDERICK 342 PM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE INTO THIS EVENING AS STRONG LOW PRESSURE OFF DOWNEAST MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 35 MPH...WITH WIND GUSTS TO 60 MPH. WINDS WILL BEGIN TO DIMINISH LATE TONIGHT. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ MDZ005>007-130445- /O.CON.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ CARROLL-NORTHERN BALTIMORE-HARFORD- INCLUDING THE CITY OF...WESTMINSTER 342 PM EST THU FEB 12 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE INTO THIS EVENING AS STRONG LOW PRESSURE OFF DOWNEAST MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 20 TO 35 MPH...WITH WIND GUSTS TO 60 MPH. WINDS WILL BEGIN TO DIMINISH LATE TONIGHT. 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 DOWNED TREES...SCATTERED POWER OUTAGES AND PROPERTY DAMAGE. $$ DCZ001-MDZ013-014-VAZ040-041-052>054-130445- /O.CON.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-RAPPAHANNOCK- FAUQUIER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA- INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH 342 PM EST THU FEB 12 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. SUSTAINED WINDS WILL REACH 15 TO 25 MPH...WITH WIND GUSTS UP TO 50 MPH. WINDS WILL GRADUALLY DECREASE THIS EVENING. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. THERE MAY ALSO BE A FEW BROKEN TREE BRANCHES. LOOSE OBJECTS OUTDOORS SUCH AS TRASH CANS WILL BE BLOWN AROUND. USE EXTRA CAUTION. $$ HTS
000 WWUS71 KLWX 130017 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 717 PM EST THU FEB 12 2009 MDZ003>007-WVZ051>053-130500- /O.CAN.KLWX.HW.W.0001.000000T0000Z-090213T0500Z/ /O.EXA.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD-MORGAN- BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... MARTINSBURG...CHARLES TOWN 717 PM EST THU FEB 12 2009 ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. THE HIGH WIND WARNING HAS BEEN CANCELLED. GUSTY WEST WINDS HAVE GRADUALLY DECREASED ACROSS THE AREA UNDER THE HIGH WIND WARNING...PORTIONS OF THE WEST VIRGINIA PANHANDLE AND MUCH OF NORTHERN MARYLAND. A WIND ADVISORY IS NOW IN EFFECT FOR THIS AREA...WITH GUSTY WINDS STILL POSSIBLE INTO THE LATE NIGHT HOURS. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. THERE MAY ALSO BE A FEW BROKEN TREE BRANCHES. LOOSE OBJECTS OUTDOORS SUCH AS TRASH CANS WILL BE BLOWN AROUND. USE EXTRA CAUTION. $$ DCZ001-MDZ009>011-013-014-501-502-VAZ021-025>031-040>042-052>054- WVZ050-054-055-501>504-130500- /O.CON.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ DISTRICT OF COLUMBIA-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-EXTREME WESTERN ALLEGANY- CENTRAL AND EASTERN ALLEGANY-HIGHLAND-AUGUSTA-ROCKINGHAM- SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-RAPPAHANNOCK-FAUQUIER- LOUDOUN-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-HAMPSHIRE-PENDLETON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WASHINGTON...GAITHERSBURG...COLUMBIA... BALTIMORE...ANNAPOLIS...FROSTBURG...CUMBERLAND...STAUNTON... WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL...LEESBURG... MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... BAYARD...PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER... FORT ASHBY 717 PM EST THU FEB 12 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE LATE NIGHT HOURS...AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. WINDS WILL CONTINUE TO GRADUALLY DIMINISH THROUGH THE EVENING HOURS...THOUGH WIND GUSTS UP TO 50 MPH STILL POSSIBLE. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. THERE MAY ALSO BE A FEW BROKEN TREE BRANCHES. LOOSE OBJECTS OUTDOORS SUCH AS TRASH CANS WILL BE BLOWN AROUND. USE EXTRA CAUTION. $$
000 WWUS71 KLWX 130213 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 913 PM EST THU FEB 12 2009 VAZ025>027-029-030-040-041-052-130315- /O.CAN.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ AUGUSTA-ROCKINGHAM-SHENANDOAH-PAGE-WARREN-RAPPAHANNOCK-FAUQUIER- PRINCE WILLIAM/MANASSAS/MANASSAS PARK- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO...HARRISONBURG... FRONT ROYAL...WASHINGTON...MANASSAS...MANASSAS PARK 913 PM EST THU FEB 12 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS CANCELLED THE WIND ADVISORY. WIND SPEEDS ACROSS PORTIONS HAVE THE CENTRAL AND SOUTHERN SHENANDOAH VALLEY...AND NORTH CENTRAL VIRGINIA...HAVE DECREASED AND WILL CONTINUE TO GRADUALLY DECREASE THROUGH THE LATE NIGHT HOURS. $$ DCZ001-MDZ003>007-009>011-013-014-501-502-VAZ021-028-031-042-053- 054-WVZ050>055-501>504-130500- /O.CON.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-EXTREME WESTERN ALLEGANY- CENTRAL AND EASTERN ALLEGANY-HIGHLAND-FREDERICK VA-CLARKE-LOUDOUN- FAIRFAX-ARLINGTON/FALLS CHURCH/ALEXANDRIA-HAMPSHIRE-MORGAN- BERKELEY-JEFFERSON-PENDLETON-HARDY-WESTERN GRANT-EASTERN GRANT- WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... FROSTBURG...CUMBERLAND...WINCHESTER...LEESBURG...FAIRFAX... ALEXANDRIA...FALLS CHURCH...MARTINSBURG...CHARLES TOWN...BAYARD... PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 913 PM EST THU FEB 12 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. STRONG WEST WINDS WILL CONTINUE THROUGH THE LATE NIGHT HOURS...AS STRONG LOW PRESSURE IN THE GULF OF MAINE AND BUILDING HIGH PRESSURE IN THE SOUTHEAST UNITED STATES WILL LEAD TO A TIGHT PRESSURE GRADIENT ACROSS THE REGION. WINDS WILL CONTINUE TO GRADUALLY DIMINISH THROUGH THE EVENING HOURS...THOUGH WIND GUSTS UP TO 50 MPH STILL POSSIBLE. A WIND ADVISORY MEANS THAT WINDS GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. THERE MAY ALSO BE A FEW BROKEN TREE BRANCHES. LOOSE OBJECTS OUTDOORS SUCH AS TRASH CANS WILL BE BLOWN AROUND. USE EXTRA CAUTION. $$
000 WWUS71 KLWX 130451 NPWLWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1151 PM EST THU FEB 12 2009 DCZ001-MDZ003>007-009>011-013-014-501-502-VAZ021-028-031-042-053- 054-WVZ050>055-501>504-130600- /O.CAN.KLWX.WI.Y.0002.000000T0000Z-090213T0500Z/ 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-FREDERICK VA-CLARKE-LOUDOUN- 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...WINCHESTER...LEESBURG...FAIRFAX... ALEXANDRIA...FALLS CHURCH...MARTINSBURG...CHARLES TOWN...BAYARD... PETERSBURG...EMORYVILLE...HARTMANSVILLE...KEYSER...FORT ASHBY 1151 PM EST THU FEB 12 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WIND ADVISORY. WINDS ACROSS THE AREA HAVE DECEASED THIS EVENING...AND WILL CONTINUE TO GRADUALLY DIMINISH OVERNIGHT. $$ 23
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 Feb 11, 3:28 PM EST, 12 minutes earlier.
Area forecast discussion, Feb 11, 3:28 PM EST, 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
328 PM EST WED FEB 11 2009
.SYNOPSIS...
A STRONG COLD FRONT WILL MOVE FROM WEST TO EAST ACROSS THE REGION
TONIGHT...BRINGING GUSTY SHOWERS TO THE AREA. A FEW THUNDERSTORMS
WILL BE POSSIBLE TOO...ESPECIALLY WEST FO THE BLUE RIDGE. STRONG
GUSTY WINDS CAN BE EXPECTED BEHIND THE FRONT LATER TONIGHT INTO
THURSDAY. HIGH PRESSURE BUILDS IN FOR THE END OF THE WEEK...THEN
LOW PRESSURE MAY BRING SOME PRECIPITATION THIS WEEKEND.
&&
.NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
DPNG LOPRES IN ILL...TRACKING NE. SQLN XTNDG S OF THAT THRU THE
TN/OH VLYS. CWFA W/IN SLY FLOW...AND MIXING BEGAN ARND NOON...
YIELDING 20-30 KT. CWFA SHUD BE DRY TIL AFDK.
AS LOPRES STRENGTHENS AND TRACKS THRU THE GRTLKS...SQLN WL NEAR CWFA
THIS EVNG. HWVR...WL BE LOSING DIURNAL SUPPORT...SO THERMODYNAMIC
SUPPORT WL ALSO BE WANING. SFC CNVGNC NOT THE STRONGEST...AS WNDS
GDLY VEER FM S/SW TO W. THE BEST THING GOING FOR SYSTM WL BE MID/UPR
SPD MAX...WHICH WL SUSTAIN PCPN. WL BE IN LOW OR NO CAPE BUT HIGH
SHEAR ENVIRONMENT. SO...ALTHO THUNDER THREAT WL DIMINISH...THERE/S
STILL THE LIKLIHOOD THAT PCPN WL MIX DOWN HIER WNDS. THAT ACCTS FOR
THE SEE TXT FM SPC. THE APPLCHN RDGLN WL BE THE MOST LIKELY PLACE
FOR TSRA TO DIMINISH...BUT CANNOT RULE OUT LCL WND DMG W/O THUNDER E
OF THERE. WL HV RADAR FCSTRS MONITORING THREAT TNGT. FCST WISE...WL
CONT W/ PRVS POPS /DEF OR LIKELY/ W/ ISOL THUNDER. PD OF PCPN WL BE
LMTD TO A 2-3 HR PD. HV TRIED TO TIME THAT A BIT MORE IN GRIDS...
ENTERING CWFA NEAR/JUST AFTR 00Z...AND EXITING CWFA BY OR SOON AFTR
06Z.
IN WAKE OF CDFNT COME THE GRADIENT WND...AND AOA 50 KT AVBL IN MIXED
LYR...SPCLY ACRS RDGS. WL CONVERT HIGH WND WATCH TO A WRNG...AND ADD
THE CATOCTINS /LOUDOUN AND FREDERICK MD/ WHICH WL BE CLSR TO
IMPRESSIVE RISE/FALL COUPLET. ELSW...WL ADD WND ADVY FOR 40-45 KT
GUSTS...AVBL IN MIXED LYR PER BUFKIT.
ALSO OF CONCERN WL BE CAA ACRS UPSLP RGNS. H8 TEMPS DROP BLO 0C BY
MIDNGT. SFC-H9 LINGERS A BIT BHD THAT. THERE/S HUGE QPF VARIABILITY
BTWN GFS /0.10/ AND NAM /0.60/ ARND NW CRNR OF CWFA. ALTHO 2M TEMPS
ABV FRZG...SUSPECT ENUF RESIDUAL MSTR TO INITIATE SHSN. WL BE
RAISING WINTER WX ADVY FOR THREAT OF AN INCH OR TWO.
&&
.SHORT TERM /6 AM THURSDAY MORNING THROUGH 6 PM THURSDAY/...
DAY WL BE DOMINATED BY NW FLOW...AS LOPRES CONTS TO DPN AS IT MAKES
IT TO THE GULF OF ME. THE P-GRAD REMAINS PACKED...AND 40-50 KT
REMAINS AVBL IN MIXED LYR FLOW. WND HEADLINES WL BE IN PLACE THRUT
DAY...ALTHO SPDS WL BEGIN TO DIMINISH BY DAYS END.
OUT WEST...INVSN HGTS CRASH AS TEMPS CONT TO FALL. THERE WL BE A
NARROW WINDOW OF OPPORTUNITY FOR SHSN BEFORE FLOW JUST WONT BE
CONDUCIVE ANYMORE. AS MNTND IN NEAR TERM...TTLS FOR THIS ROUND
LIKELY JUST ABV ADVY CRITERIA. IT MAY FALL SHORT...BUT FEEL ITS
WORTH THE EFFORT.
OTRW...SKIES WL PRBLY START OUT MOCLR...AS DWNSLP WUD HV ALREADY
SCOUR OUT CLDCVR. THE DWNSLP WL DOMINATE THRUT DAY...FOR MOSUN-SUNNY
SKIES. WND SPDS AND DRYING WL LEAD TO FIRE WX CONCERNS. PLS REFER TO
FIRE WX SECTION BLO.
WLY BLO WL LEAD TO BATTLE BTWN COMPRESSIONAL WARMING AND WK CAA. DO
LIKE THE IDEA OF MILD MAXT TMRW...BUT MAV SEEMS JUST A BIT TOO MILD.
HV LEANED ON THE COOLER SIDE.
&&
.LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/...
THE LOW PUSHES FURTHER NE THURSDAY NIGHT...STRONG WINDS SLOWLY EASE
THROUGH THURSDAY NIGHT WITH A SHALLOW INVERSION /SFC DECOUPLING/
DEVELOPING OVER VALLEYS AND FLAT LANDS EAST OF THE BLUE RIDGE WHERE
WINDS/GUSTS WILL DECREASE BELOW WIND ADVISORY CRITERIA. CURRENT
THINKING IS THAT THE HIGH WIND WARNING...NPWLWX...COULD BE REPLACED
WITH A WIND ADVISORY /GUSTS OVER 40 KT/ BEFORE MIDNIGHT FRIDAY WITH
ADVISORY CONDITIONS THROUGH MIDDAY FRIDAY FOR RIDGETOPS ABOVE THE
INVERSION /ABOUT 1 KFT ABOVE FLAT SFC/. BOUNDARY LAYER INVERSION
WEST OF THE ALLEGHENY FRONT QUICKLY CRASHES THURSDAY EVENING...THUS
REDUCED UPSLOPE SNOW POPS TO ONLY SLIGHT CHANCE ENDING THURSDAY
NIGHT.
NW WINDS MIX DOWN AGAIN DURING THE DAY FRIDAY ACROSS THE AREA WITH
MORNING GUSTS POSSIBLY TO 35 KT /BELOW ADVISORY CRITERIA/ ACROSS THE
AREA BEFORE DECREASING THROUGH FRIDAY AFTERNOON. CONTINUED NW FLOW
/CAA/ MAKES FRIDAY MOSTLY CLEAR AGAIN EAST OF THE ALLEGHENY FRONT
THOUGH COOLER THAN THURSDAY /STILL FIVE DEGREES OR SO ABOVE NORMAL
FRIDAY/.
THE NEXT SHORTWAVE IN THE NEARLY ZONAL SOUTHERN STREAM FLOW EJECTS
TOMORROW NIGHT WITH A LOW LEVEL LOW CROSSING THE SOUTH CENTRAL GREAT
PLAINS FRIDAY AND INTO THE OHIO VALLEY BY SATURDAY MORNING.
HOWEVER...BOTH GFS AND ECM REDUCE THIS FEATURE IN FAVOR OF A COASTAL
LOW OFF CAPE HATTERAS BY THE TIME THE WAVE REACHES THE EASTERN
SEABOARD LATER SATURDAY. FOR THE MID ATLANTIC OVERRUNNING MOISTURE
LEADS TO AREA OF LIGHT PRECIP FROM THE SW ENTERING OUR AREA SATURDAY
MORNING. DUE TO TIMING OF PRECIP THERE WILL BE P-TYPE ISSUES WITH
THE DIURNAL /FROZEN MORE MORNING AND EVENING...LIQUID MORE DURING
DAYLIGHT HOURS/. WENT WITH RAIN OR SNOW OR MIX BETWEEN THE TWO. CHO
GFS BUFR SOUNDINGS SUGGESTING A WARM NOSE WHICH WOULD REDUCE THE
LIKLIHOOD OF PURE SNOW. MOST IMPORTANT POINT REGARDING THIS EARLY
WEEKEND EVENT IS LIGHT PRECIP.
AFTER THE WAVE PUSHES OFF THE EASTERN SEABOARD...GFS/ECM BOTH
CONTINUE ZONAL 300 MB SOUTHERN STREAM FLOW ACROSS THE SOUTHERN US
WITH A BROAD RIDGE OVER THE WEST DURING THE WEEKEND ADVECTING ACROSS
THE EASTERN US INTO EARLY NEXT WEEK. THIS BROAD RIDGE/TROUGH PATTERN
RESULTS IN SURFACE HIGH PRESSURE BUILDING IN THE FROM THE NORTH
CENTRAL PLAINS MONDAY INTO TUESDAY FOLLOWED BY A SHORT WAVE WITH A
DEVELOPING SURFACE LOW REACHING THE EAST COAST BY MID TO LATE NEXT
WEEK. DESPITE BOTH MODELS SUGGESTING THIS PATTERN...UNCERTAINTY
EXISTS IN TRACK AND INTENSITY OF THESE FEATURES. USED HPC GUIDANCE
AS A START WITH LOW CHANCES OF RAIN/SNOW ENDING ON SUNDAY EXCEPT FOR
UPSLOPE SNOW THAT CONTINUES THROUGH MONDAY. DOWNSLOPING MONDAY AND
TUESDAY LEADS TO MOSTLY SUNNY /IF NOT SUNNY/ CONDITIONS EAST OF THE
MOUNTAINS. PRECIP WOULD ENTER THE FORECAST AGAIN ON WEDNESDAY.
&&
.AVIATION /20Z WEDNESDAY THROUGH MONDAY/...
DP LOPRES TRACKS THRU GRTLKS TNGT...BRINGING CDFNT THRU AREA. LOOK
FOR A BRIEF PD /AN HR OR TWO/ OF SHRA COINCIDENT W/ THIS FNT. AREA
VERY WELL SUPPORTIVE OF NMRS TSRA IN OHVLY ATTM. WHILE STORMS WL
WEAKEN AS THEY MV E OF APPLCHNS...THERE/S STILL A RISK OF STRONG
WNDS TRANSPORTED DWN TO GRND. ATTM...HV ONLY TAKEN MVFR RESTRICTIONS
FOR CDFNT. EVEN IF JUST STRONG SHRA AFFECT A TERMINAL...THERE IS THE
RISK OF A SHORT PD OF FLGT RESTRICTIONS AOB IFR. WL NEED TO ADD THAT
TO TAFS IF/WHEN THREAT MATERIALIZES.
BHD CFP...STRONG WLY FLOW CONTS THRU REST OF VALID PD..SUSTAINED
20-25 KT AND GUSTS 40-50 KT. THAT WL HV AN IMPACT /CROSS WINDS/ FOR
N-S RUNWAY OPS.
HIGHEST WINDS END THURSDAY NIGHT AS THE LOW PRESSURE SYSTEM
CROSSES NOVA SCOTIA AND A SHALLOW INVERSION SET UP. NW WINDS WILL
AGAIN BE A FACTOR DURING THE DAY FRIDAY WITH GUSTS IN THE 25 TO 30
KT RANGE... ESPECIALLY IN THE MORNING. OTW...VFR CONDITIONS
THROUGH FRIDAY NIGHT UNDER HIGH PRESSURE. SUBVFR CONDITIONS
POSSIBLE SATURDAY INTO SATURDAY NIGHT WITH LIGHT PRECIPITATION.
TEMPERATURES COLD ENOUGH FOR POTENTIAL P-TYPE ISSUES...MORE
DETAILS IN FUTURE FORECASTS WITH NEWER GUIDANCE.
&&
.MARINE...
SCA WNDS ONGOING. WNDS WL STRENGTHEN TNGT AS LOPRES FM OHVLY DPNS
AND TRACKS NE. CFP NEAR 06Z WL LEAD TO BRIEF SHRA W/ GUSTY WNDS AT
THE LEAST...AND MAYBE A RUMBLE OF TSRA. GLW ALREADY UP FOR GRADIENT
WND...AND SMW/S MAY BE REQD FOR CONVECTIVE THREAT.
GLW CONTS THRU TMRW AS WLY FLOW CONTS...AND MOMENTUM TRANSFER
SUGGESTS 40 KT WNDS WELL W/IN REACH.
WLY GUSTS TO EASE BELOW GALE FORCE THURSDAY NIGHT AS THE LOW
PRESSURE SYSTEM LIFTS INTO CANADA AND A SHALLOW INVERSION SETS UP
WITH SCA CONDITIONS THROUGH FRIDAY /POSSIBLE GALE IN THE MORNING/ AS
WINDS MIX BACK DOWN. WINDS SHIFT TO SLY ON SATURDAY AHEAD OF A
DISTURBANCE WITH LIGHT PRECIPITATION...MOSTLY LIKELY RAIN OVER
WATERS INTO SATURDAY NIGHT. A COASTAL LOW DEVELOPS OVER HATTERAS
SATURDAY NIGHT WITH POSSIBLE NLY WINDS DEPENDING ON HOW STRONG IT
GETS BEFORE PUSHING EWRD OFF THE COAST. HIGH PRESSURE BUILDS IN FOR
THE EARLY PART OF NEXT WEEK.
&&
.FIRE WEATHER...
AFTER COORDINATING WITH VA/MD/WV STATE FIRE OFFICIALS AND
SURROUNDING WFOS...POSTED A FIRE WX WATCH FOR DC...MD EXCLUDING
ALLEGANY AND HARFORD COUNTIES...AND MUCH OF N VA/E WV PANHANDLE
FROM 15Z TO 00Z THU. ONCE THE COLD FRONT MOVES THRU THE REGION
TONIGHT...STRONG NW FLOW DOWNSLOPING WINDS FROM THE MTS WILL BRING
DRY AIR INTO THE REGION. WITH VERY STRONG WINDS 20 MPH OR GREATER
AND RH VALUES APPROACHING 30 PERCENT DURING THE DAY FRI...FIRE
POTENTIAL WILL BE HIGH DESPITE RELATIVELY MODEST FUEL MOISTURE
VALUES. FUTURE SHIFTS WILL DECIDE ON UPGRADING TO RED FLAG
WARNINGS TOMORROW IF CONDITIONS CONTINUE TO WARRANT.
&&
.LWX WATCHES/WARNINGS/ADVISORIES...
DC...FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
EVENING FOR DCZ001.
WIND ADVISORY FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY
NIGHT FOR DCZ001.
MD...FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
EVENING FOR MDZ003>006-009>011-013-014-016>018.
WIND ADVISORY FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY
NIGHT FOR MDZ005>007-009>011-013-014-016>018.
HIGH WIND WARNING FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT FOR MDZ003-501-502.
HIGH WIND WARNING FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY
NIGHT FOR MDZ004.
WINTER WEATHER ADVISORY FROM 4 AM TO 4 PM EST THURSDAY FOR
MDZ501.
VA...FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
EVENING FOR VAZ027>031-036>042-050>057.
WIND ADVISORY FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY
NIGHT FOR VAZ036>041-050>057.
HIGH WIND WARNING FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT FOR VAZ021-025>031.
HIGH WIND WARNING FROM 2 AM THURSDAY TO MIDNIGHT EST THURSDAY
NIGHT FOR VAZ042.
WV...FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
EVENING FOR WVZ051>053.
HIGH WIND WARNING FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT FOR WVZ050>055-501>504.
WINTER WEATHER ADVISORY FROM 4 AM TO 4 PM EST THURSDAY FOR
WVZ054-501-503.
MARINE...SMALL CRAFT ADVISORY UNTIL 10 PM EST THIS EVENING FOR
ANZ530>537.
GALE WARNING FROM 10 PM THIS EVENING TO MIDNIGHT EST THURSDAY
NIGHT FOR ANZ530>537.
&&
SYNOPSIS...HTS
NEAR TERM...HTS
SHORT TERM...HTS
LONG TERM...BAJ
AVIATION...HTS/BAJ
MARINE...HTS/BAJ
FIRE WEATHER...KLEINHazardous weather outlook, Feb 11, 10:41 AM EST, 4 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1041 AM EST WED FEB 11 2009 ANZ530>537-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 121000- 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 SMITRINE WATERS. A COLD FRONT WILL MOVE ACROSS THE OUTLOOK AREA TONIGHT. SHOWERS AND ISOLATED THUNDERSTORMS WILL ACCOMPANY THE FRONT...MOST LIKELY BETWEEN 10 PM AND 2 AM. THIS ACTIVITY WILL HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS. STRONG GUSTY WINDS ARE ALSO EXPECTED JUST BEHIND THE FRONTAL PASSAGE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY STRONG GUSTY WINDS ARE EXPECTED TO CONTINUE ON THURSDAY. A WIND ADVISORY MAY BE REQUIRED. IN ADDITION...RELATIVE HUMIDITY WILL BE LOW ON THURSDAY...WHICH MAY NECESSITATE A FIRE WEATHER WATCH. A GALE WARNING CONTINUES ACROSS THE WATERS THURSDAY AND THURSDAY EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY. WHILE SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT...REPORTS OF WIND GUSTS OR WIND DAMAGE WOULD BE GREATLY APPRECIATED. MDZ003>005-009-010-501-502-VAZ021-025>031-036>042-050-051- WVZ050>055-501>504-121000- WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD- 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-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON- HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- 1041 AM EST WED FEB 11 2009 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...TODAY AND TONIGHT A COLD FRONT WILL MOVE ACROSS THE OUTLOOK AREA EARLY TONIGHT. SHOWERS AND ISOLATED THUNDERSTORMS WILL ACCOMPANY THE FRONT...MOST LIKELY BETWEEN 8 PM AND 1 AM. THIS ACTIVITY WILL HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...A FEW OF WHICH COULD REACH SEVERE LEVELS UP TO 60 MPH. STRONG GUSTY WINDS ARE ALSO EXPECTED JUST BEHIND THE FRONTAL PASSAGE. A HIGH WIND WATCH REMAINS IN EFFECT WEST OF THE BLUE RIDGE BEGINNING LATE TONIGHT. FOR THE FAVORED UPSLOPE AREAS OF THE ALLEGHENY AND POTOMAC HIGHLANDS...THE RAIN WILL CHANGE OVER TO SNOW LATE TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY STRONG GUSTY WINDS ARE EXPECTED TO CONTINUE ON THURSDAY. THE HIGH WIND WATCH THAT IS IN EFFECT THROUGH THURSDAY EVENING WILL EVENTUALLY BE REPLACED WITH EITHER HIGH WIND WARNINGS OR WIND ADVISORIES. IN ADDITION...RELATIVE HUMIDITY WILL BE LOW ON THURSDAY...WHICH MAY NECESSITATE A FIRE WEATHER WATCH. FOR THE FAVORED UPSLOPE AREAS OF THE ALLEGHENY AND POTOMAC HIGHLANDS...SNOW WILL CONTINUE THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. WHILE SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT...REPORTS OF WIND GUSTS OR WIND DAMAGE WOULD BE GREATLY APPRECIATED. HTS
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 4:03 AM EST | Gale Warning | LWX | 44 hr | |
| Feb 11, 3:40 PM EST | High Wind Warning | LWX | Clarke, Frederick, Page, Rockingham, Shenandoah, Warren and 4 more | 28 hr |
| Feb 11, 3:43 PM EST | Fire Weather Watch | LWX | Albemarle, Arlington, Clarke, Culpeper, Fairfax, Frederick and 15 more | 15 hr |
| Feb 11, 3:42 PM EST | Winter Weather Advisory | LWX | Allegany | 19 hr |
Nearby
Wind Advisories in Virginia, 2009Wind Advisories in Maryland, 2009Wind Advisories in West Virginia, 2009Every wind advisory in 2009
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.