Alert archive / West Virginia / Winter Storm Warnings in 2011
Winter Storm Warning 4, NWS Baltimore/Washington
NWS Baltimore/Washington issued this winter storm warning at Feb 21, 2011, 11:57 AM EST for 7 counties in West Virginia; 7 counties in Maryland; Clarke County, Frederick County, City of Winchester, Virginia. It took effect at Feb 21, 2011, 5:11 PM EST. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 21, 2011, 11:57 AM EST (16:57 UTC)
- In effect from
- Feb 21, 2011, 5:11 PM EST
- Expired
- Feb 22, 2011, 5:51 AM EST
- In force
- 13 hr
- Issued by
- NWS Baltimore/Washington
Counties Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, City of Baltimore, MD, Frederick County, MD, Washington County, MD, City of Winchester, VA, Clarke County, VA, Frederick 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), 55 km from the middle of the area, began a volume at 16:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 5.0 hours before the alert went out and 63 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
- 1934 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 474 m²/s²
- 0-3 km storm-relative helicity
- 548 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
083 WWUS41 KLWX 211657 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1157 AM EST MON FEB 21 2011 MDZ003>007-501-502-VAZ028-WVZ050>053-055-501>504-220100- /O.UPG.KLWX.WS.A.0004.110222T0200Z-110222T1200Z/ /O.NEW.KLWX.WS.W.0004.110222T0000Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- FREDERICK VA-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND...WINCHESTER...MARTINSBURG... CHARLES TOWN...MOOREFIELD...BAYARD...MOUNT STORM...PETERSBURG... ELK GARDEN...KEYSER...FORT ASHBY 1157 AM EST MON FEB 21 2011 ...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND SLEET...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * PRECIPITATION TYPE...BRIEF PERIOD OF SLEET...THEN SNOW WHICH WILL BE HEAVY AT TIMES. * ACCUMULATIONS...5 TO 7 INCHES OF SNOW. * TIMING...WINTRY MIX WILL BEGIN EARLY THIS EVENING...THEN CHANGE OVER TO ALL SNOW BY LATE THIS EVENING... AND CONTINUE OVERNIGHT. THE HEAVIEST SNOWFALL IS EXPECTED BETWEEN MIDNIGHT AND 6AM. * TEMPERATURES...TEMPERATURES IN THE LOWER 30S THIS EVENING... DROPPING TO THE MID 20S BY TUESDAY MORNING. * WINDS...NORTH-NORTHEAST 10 TO 15 MPH. GUSTS TO AROUND 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW AND SLEET ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ VAZ031-220100- /O.UPG.KLWX.WS.A.0004.110222T0200Z-110222T1200Z/ /O.NEW.KLWX.WW.Y.0009.110222T0200Z-110222T1200Z/ CLARKE- 1157 AM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND SLEET... WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * PRECIPITATION TYPE...MAINLY SNOW. A BRIEF PERIOD OF SLEET AT THE ONSET. * ACCUMULATIONS...3 TO 5 INCHES OF SNOW. * TIMING...WINTRY MIX WILL BEGIN THIS EVENING...THEN CHANGE OVER TO ALL SNOW BY MIDNIGHT... AND CONTINUE OVERNIGHT. * TEMPERATURES...TEMPERATURES IN THE LOWER 30S THIS EVENING... DROPPING TO THE MID 20S BY TUESDAY MORNING. * WINDS...NORTH-NORTHEAST 10 TO 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW AND SLEET ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ DCZ001-MDZ009>011-013-014-VAZ026-027-029-030-038>040-042-052>054- 501-WVZ505-506-220100- /O.NEW.KLWX.WW.Y.0009.110222T0200Z-110222T1200Z/ DISTRICT OF COLUMBIA-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-ROCKINGHAM-SHENANDOAH-PAGE-WARREN- GREENE-MADISON-RAPPAHANNOCK-LOUDOUN- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...WASHINGTON...GAITHERSBURG...COLUMBIA... BALTIMORE...ANNAPOLIS...HARRISONBURG...FRONT ROYAL...LEESBURG... MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... WARRENTON...CIRCLEVILLE...FRANKLIN 1157 AM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND SLEET... WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...WINTRY MIX CHANGING OVER TO SNOW. * ACCUMULATIONS...2 TO 5 INCHES OF SNOW. * TIMING...WINTRY MIX WILL BEGIN LATE THIS EVENING...THEN CHANGE OVER TO ALL SNOW AFTER MIDNIGHT... AND CONTINUE REST OF THE OVERNIGHT. * TEMPERATURES...TEMPERATURES IN THE MID 30S THIS EVENING... DROPPING TO THE UPPER 20S BY TUESDAY MORNING. * WINDS...NORTH-NORTHEAST 10 TO 15 MPH. GUSTS TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JACKSON/WOODY
9 follow-up statements
340 WWUS41 KLWX 211935 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 235 PM EST MON FEB 21 2011 MDZ009>011-014-VAZ031-042-220345- /O.UPG.KLWX.WW.Y.0009.110222T0200Z-110222T1200Z/ /O.EXB.KLWX.WS.W.0004.110222T0200Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-ANNE ARUNDEL-CLARKE-LOUDOUN- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... ANNAPOLIS...LEESBURG 235 PM EST MON FEB 21 2011 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND SLEET...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * PRECIPITATION TYPE...BRIEF PERIOD OF SLEET...CHANGING TO SNOW AROUND MIDNIGHT WHICH WILL BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...4 TO 8 INCHES OF SNOW. WITHIN THIS RANGE...THE HIGHER AMOUNTS WILL BE IN THE NORTHERN PART OF THESE COUNTIES. * TIMING...WINTRY MIX OF RAIN AND SLEET WILL BEGIN LATE THIS EVENING...THEN CHANGE OVER TO ALL SNOW AROUND MIDNIGHT. THE SNOW WILL CONTINUE UNTIL DAWN. THE HEAVIEST SNOWFALL IS EXPECTED BETWEEN 1 AM AND 5 AM. * TEMPERATURES...TEMPERATURES IN THE MIDDLE 30S THIS EVENING... DROPPING TO THE UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ003>007-501-502-VAZ028-WVZ050>053-055-501>504-220345- /O.CON.KLWX.WS.W.0004.110222T0000Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- FREDERICK VA-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND...WINCHESTER...MARTINSBURG... CHARLES TOWN...MOOREFIELD...BAYARD...MOUNT STORM...PETERSBURG... ELK GARDEN...KEYSER...FORT ASHBY 235 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...BRIEF PERIOD OF SLEET...THEN SNOW WHICH WILL BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...5 TO 8 INCHES OF SNOW. * TIMING...WINTRY MIX OF SLEET AND RAIN WILL BEGIN EARLY THIS EVENING...CHANGING OVER TO ALL SNOW LATE THIS EVENING. THE SNOW WILL CONTINUE INTO THE EARLY MORNING...BECOMING HEAVIEST BETWEEN MIDNIGHT AND 4 AM. * TEMPERATURES...TEMPERATURES IN THE LOWER 30S THIS EVENING... DROPPING TO THE MID 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 30 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ VAZ025-036-037-503-504-220345- /O.EXB.KLWX.WW.Y.0009.110222T0500Z-110222T1200Z/ AUGUSTA-NELSON-ALBEMARLE-WESTERN HIGHLAND-EASTERN HIGHLAND- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO... CHARLOTTESVILLE...HIGHTOWN...MONTEREY 235 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SLEET AND FREEZING RAIN... WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...FREEZING RAIN AND SLEET. * ACCUMULATIONS...TRACE TO A TENTH OF AN INCH OF ICE. * TIMING...RAIN WILL CHANGE TO SLEET AND FREEZING RAIN AFTER MIDNIGHT...AND CONTINUE UNTIL DAWN. * TEMPERATURES...TEMPERATURES IN THE UPPER 30S THIS EVENING... DROPPING TO THE MID TO UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT PERIODS SLEET AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ DCZ001-MDZ013-VAZ026-027-029-030-038>040-052>054-501-WVZ505-506- 220345- /O.CON.KLWX.WW.Y.0009.110222T0200Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ROCKINGHAM-SHENANDOAH-PAGE- WARREN-GREENE-MADISON-RAPPAHANNOCK- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...WASHINGTON...HARRISONBURG... FRONT ROYAL...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA... FALLS CHURCH...WARRENTON...CIRCLEVILLE...FRANKLIN 235 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...WINTRY MIX OF RAIN AND SLEET CHANGING OVER TO SNOW. * ACCUMULATIONS...2 TO 5 INCHES OF SNOW AND SLEET. * TIMING...A MIX OF RAIN AND SLEET WILL BEGIN LATE THIS EVENING...THEN CHANGE OVER TO ALL SNOW AROUND MIDNIGHT...AND CONTINUE THROUGH DAWN. HEAVIEST SNOWFALL WILL BE BETWEEN 1 AM AND 4 AM. * TEMPERATURES...TEMPERATURES IN THE MIDDLE 30S THIS EVENING... DROPPING TO THE UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 15 TO 25 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JACKSON
195 WWUS41 KLWX 212211 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 511 PM EST MON FEB 21 2011 MDZ003>007-501-502-WVZ051-220615- /O.EXT.KLWX.WS.W.0004.110221T2211Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-MORGAN- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND 511 PM EST MON FEB 21 2011 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 AM EST TUESDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...FREEZING RAIN...SLEET AND SNOW. SNOW MAY BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...5 TO 8 INCHES OF SNOW AND SLEET...TRACE AMOUNTS OF ICE. * TIMING...FREEZING RAIN WILL CHANGE TO SLEET LATE THIS AFTERNOON... THEN TO SNOW THIS EVENING. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...BECOMING HEAVIEST BETWEEN MIDNIGHT AND 4 AM. * TEMPERATURES...TEMPERATURES IN THE UPPER 20S AND LOWER 30S THIS EVENING... DROPPING TO THE MID 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 25 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ VAZ028-WVZ050-052-053-055-501>504-220615- /O.CON.KLWX.WS.W.0004.110222T0000Z-110222T1200Z/ FREDERICK VA-HAMPSHIRE-BERKELEY-JEFFERSON-HARDY-WESTERN GRANT- EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WINCHESTER...MARTINSBURG... CHARLES TOWN...MOOREFIELD...BAYARD...MOUNT STORM...PETERSBURG... ELK GARDEN...KEYSER...FORT ASHBY 511 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...RAIN...SLEET AND SNOW...WHICH MAY BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...4 TO 7 INCHES OF SNOW. * TIMING...RAIN AND SLEET WILL BEGIN LATE THIS AFTERNOON... CHANGING TO ALL SNOW LATE THIS EVENING. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...BECOMING HEAVIEST BETWEEN MIDNIGHT AND 4 AM. * TEMPERATURES...TEMPERATURES IN THE LOWER 30S THIS EVENING... DROPPING TO THE MID 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ009>011-014-VAZ031-042-220615- /O.CON.KLWX.WS.W.0004.110222T0200Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-ANNE ARUNDEL-CLARKE-LOUDOUN- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... ANNAPOLIS...LEESBURG 511 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET AND SNOW AROUND MIDNIGHT...WHICH WILL BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...4 TO 7 INCHES OF SNOW. WITHIN THIS RANGE...THE HIGHER AMOUNTS WILL BE IN THE NORTHERN PART OF THESE COUNTIES. * TIMING...RAIN AND SLEET WILL BEGIN LATE THIS AFTERNOON...THEN WILL CHANGE OVER TO SNOW LATE THIS EVENING. THE SNOW WILL CONTINUE UNTIL DAWN. THE HEAVIEST SNOWFALL IS EXPECTED BETWEEN MIDNIGHT AND 5 AM. * TEMPERATURES...TEMPERATURES IN THE MIDDLE 30S THIS EVENING... DROPPING TO THE UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ DCZ001-MDZ013-VAZ026-027-029-030-038>040-052>054-501-WVZ505-506- 220615- /O.CON.KLWX.WW.Y.0009.110222T0200Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ROCKINGHAM-SHENANDOAH-PAGE- WARREN-GREENE-MADISON-RAPPAHANNOCK- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...WASHINGTON...HARRISONBURG... FRONT ROYAL...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA... FALLS CHURCH...WARRENTON...CIRCLEVILLE...FRANKLIN 511 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...WINTRY MIX OF RAIN AND SLEET CHANGING OVER TO SNOW. * ACCUMULATIONS...2 TO 5 INCHES OF SNOW AND SLEET. * TIMING...A MIX OF RAIN AND SLEET WILL BEGIN LATE THIS EVENING...THEN CHANGE OVER TO ALL SNOW AROUND MIDNIGHT...AND CONTINUE THROUGH DAWN. HEAVIEST SNOWFALL WILL BE BETWEEN 1 AM AND 4 AM. * TEMPERATURES...TEMPERATURES IN THE MIDDLE 30S THIS EVENING... DROPPING TO THE UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 15 TO 25 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND SLEET WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ025-036-037-503-504-220615- /O.CON.KLWX.WW.Y.0009.110222T0500Z-110222T1200Z/ AUGUSTA-NELSON-ALBEMARLE-WESTERN HIGHLAND-EASTERN HIGHLAND- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO... CHARLOTTESVILLE...HIGHTOWN...MONTEREY 511 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...FREEZING RAIN AND SLEET. * ACCUMULATIONS...TRACE TO LESS THAN ONE TENTH INCH ICE. * TIMING...RAIN WILL CHANGE TO FREEZING RAIN AND SLEET AFTER MIDNIGHT AND WILL CONTINUE UNTIL DAWN. * TEMPERATURES...TEMPERATURES IN THE UPPER 30S THIS EVENING... DROPPING TO THE UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
373 WWUS41 KLWX 220101 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 801 PM EST MON FEB 21 2011 VAZ028-WVZ050-055-501>504-220915- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ FREDERICK VA-HAMPSHIRE-HARDY-WESTERN GRANT-EASTERN GRANT- WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WINCHESTER...MOOREFIELD...BAYARD... MOUNT STORM...PETERSBURG...ELK GARDEN...KEYSER...FORT ASHBY 801 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...RAIN...LIGHT FREEZING RAIN...SLEET AND SNOW...WHICH MAY BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...3 TO 6 INCHES SNOW ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN AND LIGHT FREEZING RAIN WILL CHANGE TO SLEET THIS EVENING BEFORE CHANGING TO ALL SNOW LATE THIS EVENING. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...BECOMING HEAVIEST BETWEEN MIDNIGHT AND 4 AM. * TEMPERATURES...LOWER 30S THIS EVENING. MID 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ009>011-014-VAZ031-042-220915- /O.CON.KLWX.WS.W.0004.110222T0200Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-ANNE ARUNDEL-CLARKE-LOUDOUN- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... ANNAPOLIS...LEESBURG 801 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET...LIGHT FREEZING RAIN AND SNOW... WHICH WILL BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...3 TO 6 INCHES SNOW ACCUMULATION FROM SOUTH TO NORTH. ICE ACCUMULATIONS LESS TO ONE TENTH INCH. * TIMING...RAIN AND FREEZING RAIN WILL CHANGE TO SLEET EARLY THIS EVENING...THEN WILL CHANGE TO SNOW LATE THIS EVENING. THE SNOW WILL CONTINUE UNTIL DAWN. THE HEAVIEST SNOWFALL IS EXPECTED BETWEEN MIDNIGHT AND 5 AM. * TEMPERATURES...LOW TO MID 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ003>007-501-502-WVZ051>053-220915- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-MORGAN- BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND...MARTINSBURG...CHARLES TOWN 801 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...LIGHT FREEZING RAIN...SLEET AND SNOW. SNOW MAY BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...5 TO 8 INCHES OF SNOW AND SLEET...LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN AND FREEZING RAIN WILL CHANGE TO SLEET EARLY THIS EVENING AND QUICKLY TO SNOW. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...BECOMING HEAVIEST BETWEEN MIDNIGHT AND 5 AM. * TEMPERATURES...UPPER 20S TO LOWER 30S THIS EVENING. MID 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 25 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ DCZ001-MDZ013-VAZ027-029-030-040-052>054-501-220915- /O.CON.KLWX.WW.Y.0009.110222T0200Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-SHENANDOAH-PAGE-WARREN- RAPPAHANNOCK-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- INCLUDING THE CITIES OF...WASHINGTON...FRONT ROYAL...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH...WARRENTON 801 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET...LIGHT FREEZING RAIN AND SNOW. * ACCUMULATIONS...1 TO 4 INCHES OF SNOW AND SLEET. TRACE ICE ACCUMULATIONS. * TIMING...RAIN WILL TRANSITION TO LIGHT FREEZING RAIN AND SLEET THIS EVENING BEFORE CHANGING TO SNOW AROUND MIDNIGHT. SNOW WILL CONTINUE THROUGH DAWN. HEAVIEST SNOWFALL WILL BE BETWEEN 1 AM AND 4 AM. * TEMPERATURES...MID 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND ICE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ025-036-037-503-504-220915- /O.CON.KLWX.WW.Y.0009.110222T0500Z-110222T1200Z/ AUGUSTA-NELSON-ALBEMARLE-WESTERN HIGHLAND-EASTERN HIGHLAND- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO... CHARLOTTESVILLE...HIGHTOWN...MONTEREY 801 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EST TUESDAY. * PRECIPITATION TYPE...FREEZING RAIN...SLEET AND LIGHT SNOW. * ACCUMULATIONS...LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN WILL CHANGE TO FREEZING RAIN AND SLEET AFTER MIDNIGHT AND WILL CONTINUE UNTIL DAWN. A BRIEF PERIOD OF LIGHT SNOW IS POSSIBLE LATE TONIGHT. * TEMPERATURES...UPPER 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ026-038-039-WVZ505-506-220915- /O.CON.KLWX.WW.Y.0009.110222T0200Z-110222T1200Z/ ROCKINGHAM-GREENE-MADISON-WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...HARRISONBURG...CIRCLEVILLE...FRANKLIN 801 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET...FREEZING RAIN AND LIGHT SNOW. * ACCUMULATIONS...AROUND ONE INCH SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN WILL TRANSITION TO SLEET AND FREEZING RAIN THIS EVENING. A PERIOD OF LIGHT SNOW OR FREEZING DRIZZLE IS POSSIBLE LATE TONIGHT. * TEMPERATURES...MID 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ KRAMAR
211 WWUS41 KLWX 220228 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 928 PM EST MON FEB 21 2011 VAZ028-WVZ050-055-501>504-221030- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ FREDERICK VA-HAMPSHIRE-HARDY-WESTERN GRANT-EASTERN GRANT- WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WINCHESTER...MOOREFIELD...BAYARD... MOUNT STORM...PETERSBURG...ELK GARDEN...KEYSER...FORT ASHBY 928 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...RAIN...LIGHT FREEZING RAIN...SLEET AND SNOW...WHICH MAY BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...3 TO 6 INCHES SNOW ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN AND LIGHT FREEZING RAIN WILL CHANGE TO SLEET THIS EVENING BEFORE CHANGING TO ALL SNOW LATE THIS EVENING. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...BECOMING HEAVIEST BETWEEN MIDNIGHT AND 4 AM. * TEMPERATURES...LOWER 30S THIS EVENING. MID 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ009>011-014-VAZ031-042-221030- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-ANNE ARUNDEL-CLARKE-LOUDOUN- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... ANNAPOLIS...LEESBURG 928 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET...LIGHT FREEZING RAIN AND SNOW... WHICH WILL BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...3 TO 6 INCHES SNOW ACCUMULATION FROM SOUTH TO NORTH. ICE ACCUMULATIONS LESS TO ONE TENTH INCH. * TIMING...RAIN AND FREEZING RAIN WILL CHANGE TO SLEET EARLY THIS EVENING...THEN WILL CHANGE TO SNOW LATE THIS EVENING. THE SNOW WILL CONTINUE UNTIL DAWN. THE HEAVIEST SNOWFALL IS EXPECTED BETWEEN MIDNIGHT AND 5 AM. * TEMPERATURES...LOW TO MID 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ003>007-501-502-WVZ051>053-221030- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-MORGAN- BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND...MARTINSBURG...CHARLES TOWN 928 PM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...LIGHT FREEZING RAIN...SLEET AND SNOW. SNOW MAY BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...5 TO 8 INCHES OF SNOW AND SLEET...LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN AND FREEZING RAIN WILL CHANGE TO SLEET EARLY THIS EVENING AND QUICKLY TO SNOW. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...BECOMING HEAVIEST BETWEEN MIDNIGHT AND 5 AM. * TEMPERATURES...UPPER 20S TO LOWER 30S THIS EVENING. MID 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 25 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ016-018-VAZ051-055-502-221030- /O.EXA.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ CHARLES-CALVERT-CULPEPER-STAFFORD-SOUTHERN FAUQUIER- INCLUDING THE CITIES OF...WALDORF...CULPEPER 928 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...SLEET AND FREEZING RAIN...IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET...FREEZING RAIN AND LIGHT SNOW. * ACCUMULATIONS...AROUND ONE INCH SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN WILL TRANSITION TO SLEET AND FREEZING RAIN THIS EVENING. A PERIOD OF LIGHT SNOW OR FREEZING DRIZZLE IS POSSIBLE LATE TONIGHT. * TEMPERATURES...LOW TO MID 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ DCZ001-MDZ013-VAZ027-029-030-040-052>054-501-221030- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-SHENANDOAH-PAGE-WARREN- RAPPAHANNOCK-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- INCLUDING THE CITIES OF...WASHINGTON...FRONT ROYAL...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH...WARRENTON 928 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET...LIGHT FREEZING RAIN AND SNOW. * ACCUMULATIONS...1 TO 4 INCHES OF SNOW AND SLEET. TRACE ICE ACCUMULATIONS. * TIMING...RAIN WILL TRANSITION TO LIGHT FREEZING RAIN AND SLEET THIS EVENING BEFORE CHANGING TO SNOW AROUND MIDNIGHT. SNOW WILL CONTINUE THROUGH DAWN. HEAVIEST SNOWFALL WILL BE BETWEEN 1 AM AND 4 AM. * TEMPERATURES...MID 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND ICE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ025-036-037-503-504-221030- /O.CON.KLWX.WW.Y.0009.110222T0500Z-110222T1200Z/ AUGUSTA-NELSON-ALBEMARLE-WESTERN HIGHLAND-EASTERN HIGHLAND- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO... CHARLOTTESVILLE...HIGHTOWN...MONTEREY 928 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...FREEZING RAIN...SLEET AND LIGHT SNOW. * ACCUMULATIONS...LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN WILL CHANGE TO FREEZING RAIN AND SLEET AFTER MIDNIGHT AND WILL CONTINUE UNTIL DAWN. A BRIEF PERIOD OF LIGHT SNOW IS POSSIBLE LATE TONIGHT. * TEMPERATURES...UPPER 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ026-038-039-WVZ505-506-221030- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ ROCKINGHAM-GREENE-MADISON-WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...HARRISONBURG...CIRCLEVILLE...FRANKLIN 928 PM EST MON FEB 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. * PRECIPITATION TYPE...SLEET...FREEZING RAIN AND LIGHT SNOW. * ACCUMULATIONS...AROUND ONE INCH SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...RAIN WILL TRANSITION TO SLEET AND FREEZING RAIN THIS EVENING. A PERIOD OF LIGHT SNOW OR FREEZING DRIZZLE IS POSSIBLE LATE TONIGHT. * TEMPERATURES...MID 30S THIS EVENING. UPPER 20S BY TUESDAY MORNING. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ KRAMAR
796 WWUS41 KLWX 220703 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 203 AM EST TUE FEB 22 2011 MDZ014-221200- /O.CAN.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ /O.EXA.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ ANNE ARUNDEL- INCLUDING THE CITY OF...ANNAPOLIS 203 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND SLEET... WHICH IS IN EFFECT UNTIL 7 AM EST THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * PRECIPITATION TYPE...SLEET...FREEZING RAIN AND LIGHT SNOW. * ACCUMULATIONS...ONE TO THREE INCHES OF SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...SNOW AND SLEET WILL CONTINUE OVERNIGHT...AND BEGIN TO TAPER OFF AFTER 5 AM. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE MID TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ028-WVZ050-055-501>504-221200- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ FREDERICK VA-HAMPSHIRE-HARDY-WESTERN GRANT-EASTERN GRANT- WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WINCHESTER...MOOREFIELD...BAYARD... MOUNT STORM...PETERSBURG...ELK GARDEN...KEYSER...FORT ASHBY 203 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW...WHICH MAY BE HEAVY AT TIMES OVERNIGHT. * ACCUMULATIONS...3 TO 6 INCHES SNOW ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...LIGHT FREEZING RAIN AND SLEET HAVE CHANGED OVER TO ALL SNOW. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...HEAVY AT TIMES THROUGH 4 AM. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE UPPER TEENS TO LOWER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ009>011-VAZ031-042-221200- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-CLARKE-LOUDOUN- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... LEESBURG 203 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SLEET AND SNOW... WHICH WILL BE HEAVY AT TIMES. * ACCUMULATIONS...3 TO 6 INCHES SNOW AND SLEET ACCUMULATION FROM SOUTH TO NORTH. ICE ACCUMULATIONS LESS TO ONE TENTH INCH. * TIMING...RAIN AND FREEZING RAIN HAS CHANGED OVER TO A SLEET AND SNOW MIXTURE. A CHANGE OVER TO ALL SNOW IS EXPECTED BEFORE DAWN. THE HEAVIEST SNOW AND SLEET IS EXPECTED THROUGH 5AM. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ003>007-501-502-WVZ051>053-221200- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-MORGAN- BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND...MARTINSBURG...CHARLES TOWN 203 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...5 TO 8 INCHES OF SNOW AND SLEET...LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...FREEZING RAIN AND SLEET HAS CHANGED OVER TO ALL SNOW. THE SNOW WILL CONTINUE THROUGH EARLY MORNING...HEAVY AT TIMES THROUGH 5 AM. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE UPPER TEENS TO MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 25 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ DCZ001-MDZ013-VAZ027-029-030-040-052>054-501-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-SHENANDOAH-PAGE-WARREN- RAPPAHANNOCK-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- INCLUDING THE CITIES OF...WASHINGTON...FRONT ROYAL...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH...WARRENTON 203 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW AND SLEET. * ACCUMULATIONS...1 TO 3 INCHES OF SNOW AND SLEET. TRACE ICE ACCUMULATIONS. * TIMING...LIGHT FREEZING RAIN HAS CHANGED OVER TO A SLEET AND SNOW MIXTURE. A CHANGEOVER TO ALL SNOW IS EXPECTED BEFORE DAWN. THE HEAVIEST PRECIPITATION IS EXPECTED THROUGH 4 AM. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND ICE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ025-036-037-503-504-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ AUGUSTA-NELSON-ALBEMARLE-WESTERN HIGHLAND-EASTERN HIGHLAND- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO... CHARLOTTESVILLE...HIGHTOWN...MONTEREY 203 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...FREEZING RAIN...SLEET AND LIGHT SNOW. * ACCUMULATIONS...LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...A MIXTURE OF LIGHT FREEZING RAIN...SLEET AND SNOW WILL CONTINUE OVERNIGHT. A BRIEF PERIOD OF LIGHT SNOW IS POSSIBLE TOWARDS DAWN. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE UPPER 20S TO LOWER 30S. * WINDS...NORTHEAST 10 TO 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ026-038-039-WVZ505-506-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ ROCKINGHAM-GREENE-MADISON-WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...HARRISONBURG...CIRCLEVILLE...FRANKLIN 203 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SLEET AND SNOW. * ACCUMULATIONS...AROUND ONE INCH SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...LIGHT FREEZING RAIN HAS CHANGED OVER TO A SNOW AND SLEET MIXTURE. A BRIEF PERIOD OF LIGHT SNOW IS POSSIBLE BEFORE DAWN. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE MIDDLE TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ016-018-VAZ051-055-502-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ CHARLES-CALVERT-CULPEPER-STAFFORD-SOUTHERN FAUQUIER- INCLUDING THE CITIES OF...WALDORF...CULPEPER 203 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SLEET...FREEZING RAIN AND LIGHT SNOW. * ACCUMULATIONS...AROUND ONE INCH SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH ICE ACCUMULATION. * TIMING...A MIXTURE OF LIGHT FREEZING RAIN...SLEET AND SNOW WILL CONTINUE OVERNIGHT. A BRIEF PERIOD OF LIGHT SNOW IS POSSIBLE BEFORE DAWN. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE UPPER 20S TO LOWER 30S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
355 WWUS41 KLWX 220830 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 330 AM EST TUE FEB 22 2011 MDZ009>011-VAZ028-031-042-WVZ050>053-055-501>504-221200- /O.CAN.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ /O.EXA.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-FREDERICK VA-CLARKE-LOUDOUN- HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-WESTERN GRANT- EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... WINCHESTER...LEESBURG...MARTINSBURG...CHARLES TOWN...MOOREFIELD... BAYARD...MOUNT STORM...PETERSBURG...ELK GARDEN...KEYSER... FORT ASHBY 330 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW... WHICH IS IN EFFECT UNTIL 7 AM EST THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * PRECIPITATION TYPE...SNOW AND PATCHY FREEZING DRIZZLE. * ACCUMULATIONS...ONE TO THREE INCHES OF TOTAL SNOW ACCUMULATION. * TIMING...LIGHT SNOW AND PATCHY FREEZING DRIZZLE WILL CONTINUE THROUGH DAWN. * TEMPERATURES...MIDDLE TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ003>007-501-502-221200- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND 330 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...3 TO 6 INCHES OF TOTAL SNOW AND SLEET ACCUMULATION. * TIMING...SNOW WILL CONTINUE THROUGH DAWN. * TEMPERATURES...UPPER TEENS TO MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 25 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ DCZ001-MDZ013-014-VAZ027-029-030-040-052>054-501-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-SHENANDOAH-PAGE- WARREN-RAPPAHANNOCK-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...FRONT ROYAL... MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... WARRENTON 330 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW AND PATCHY FREEZING DRIZZLE. * ACCUMULATIONS...1 TO 2 INCHES OF TOTAL SNOW ACCUMULATION. * TIMING...SNOW AND PATCHY FREEZING DRIZZLE WILL CONTINUE THROUGH DAWN. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND ICE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ025-036-037-503-504-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ AUGUSTA-NELSON-ALBEMARLE-WESTERN HIGHLAND-EASTERN HIGHLAND- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO... CHARLOTTESVILLE...HIGHTOWN...MONTEREY 330 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...FREEZING RAIN...SLEET AND LIGHT SNOW. * ACCUMULATIONS...LESS THAN ONE TENTH INCH TOTAL ICE ACCUMULATION. * TIMING...A MIXTURE OF LIGHT FREEZING RAIN...SLEET AND SNOW WILL CONTINUE OVERNIGHT. A BRIEF PERIOD OF LIGHT SNOW IS POSSIBLE TOWARDS DAWN. * TEMPERATURES...UPPER 20S TO LOWER 30S. * WINDS...NORTHEAST 10 TO 15 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ026-038-039-WVZ505-506-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ ROCKINGHAM-GREENE-MADISON-WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...HARRISONBURG...CIRCLEVILLE...FRANKLIN 330 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SLEET...SNOW AND PATCHY FREEZING DRIZZLE. * ACCUMULATIONS...TOTAL SNOW AND SLEET ACCUMULATION AROUND AN INCH. TOTAL ICE ACCUMULATION LESS THAN A TENTH OF AN INCH. * TIMING...A MIXTURE OF LIGHT SNOW...SLEET AND PATCHY FREEZING DRIZZLE WILL CONTINUE THROUGH DAWN. * TEMPERATURES...MIDDLE TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ016-018-VAZ051-055-502-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ CHARLES-CALVERT-CULPEPER-STAFFORD-SOUTHERN FAUQUIER- INCLUDING THE CITIES OF...WALDORF...CULPEPER 330 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SLEET...FREEZING DRIZZLE AND LIGHT SNOW. * ACCUMULATIONS...AROUND ONE INCH TOTAL SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH TOTAL ICE ACCUMULATION. * TIMING...A MIXTURE OF FREEZING DRIZZLE...SLEET AND SNOW WILL CONTINUE THROUGH DAWN. * TEMPERATURES...UPPER 20S TO LOWER 30S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
613 WWUS41 KLWX 220921 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 421 AM EST TUE FEB 22 2011 VAZ025-026-036-037-503-504-WVZ505-506-221030- /O.CAN.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ AUGUSTA-ROCKINGHAM-NELSON-ALBEMARLE-WESTERN HIGHLAND- EASTERN HIGHLAND-WESTERN PENDLETON-EASTERN PENDLETON- INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO...HARRISONBURG... CHARLOTTESVILLE...HIGHTOWN...MONTEREY...CIRCLEVILLE...FRANKLIN 421 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ MDZ003>007-501-502-221200- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... FROSTBURG...CUMBERLAND 421 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...3 TO 6 INCHES OF TOTAL SNOW AND SLEET ACCUMULATION. * TIMING...SNOW WILL CONTINUE THROUGH DAWN. * TEMPERATURES...UPPER TEENS TO MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 25 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ009>011-VAZ028-031-042-WVZ050>053-055-501>504-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-FREDERICK VA-CLARKE-LOUDOUN- HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-WESTERN GRANT- EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... WINCHESTER...LEESBURG...MARTINSBURG...CHARLES TOWN...MOOREFIELD... BAYARD...MOUNT STORM...PETERSBURG...ELK GARDEN...KEYSER... FORT ASHBY 421 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW AND PATCHY FREEZING DRIZZLE. * ACCUMULATIONS...ONE TO THREE INCHES OF TOTAL SNOW ACCUMULATION. * TIMING...LIGHT SNOW AND PATCHY FREEZING DRIZZLE WILL CONTINUE THROUGH DAWN. * TEMPERATURES...MIDDLE TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ DCZ001-MDZ013-014-VAZ027-029-030-040-052>054-501-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-SHENANDOAH-PAGE- WARREN-RAPPAHANNOCK-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...FRONT ROYAL... MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... WARRENTON 421 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW AND PATCHY FREEZING DRIZZLE. * ACCUMULATIONS...1 TO 2 INCHES OF TOTAL SNOW ACCUMULATION. * TIMING...SNOW AND PATCHY FREEZING DRIZZLE WILL CONTINUE THROUGH DAWN. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND ICE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ038-039-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ GREENE-MADISON- 421 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SLEET...SNOW AND PATCHY FREEZING DRIZZLE. * ACCUMULATIONS...TOTAL SNOW AND SLEET ACCUMULATION AROUND AN INCH. TOTAL ICE ACCUMULATION LESS THAN A TENTH OF AN INCH. * TIMING...A MIXTURE OF LIGHT SNOW...SLEET AND PATCHY FREEZING DRIZZLE WILL CONTINUE THROUGH DAWN. * TEMPERATURES...MIDDLE TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ016-018-VAZ051-055-502-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ CHARLES-CALVERT-CULPEPER-STAFFORD-SOUTHERN FAUQUIER- INCLUDING THE CITIES OF...WALDORF...CULPEPER 421 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SLEET...FREEZING DRIZZLE AND LIGHT SNOW. * ACCUMULATIONS...AROUND ONE INCH TOTAL SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH TOTAL ICE ACCUMULATION. * TIMING...A MIXTURE OF FREEZING DRIZZLE...SLEET AND SNOW WILL CONTINUE THROUGH DAWN. * TEMPERATURES...UPPER 20S TO LOWER 30S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
640 WWUS41 KLWX 220959 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 459 AM EST TUE FEB 22 2011 MDZ003-501-502-221100- /O.CAN.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY- INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND 459 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER STORM WARNING. $$ VAZ027>031-WVZ050>053-055-501>504-221100- /O.CAN.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-HAMPSHIRE-MORGAN- BERKELEY-JEFFERSON-HARDY-WESTERN GRANT-EASTERN GRANT- WESTERN MINERAL-EASTERN MINERAL- INCLUDING THE CITIES OF...WINCHESTER...FRONT ROYAL... MARTINSBURG...CHARLES TOWN...MOOREFIELD...BAYARD...MOUNT STORM... PETERSBURG...ELK GARDEN...KEYSER...FORT ASHBY 459 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ MDZ004>007-221200- /O.CON.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- INCLUDING THE CITIES OF...FREDERICK...WESTMINSTER 459 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...3 TO 6 INCHES OF TOTAL SNOW AND SLEET ACCUMULATION. * TIMING...SNOW WILL CONTINUE TO TAPER OFF THROUGH 7 AM. * TEMPERATURES...UPPER TEENS TO MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH...WITH GUSTS TO 25 MPH ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ009>011-VAZ042-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-LOUDOUN- INCLUDING THE CITIES OF...GAITHERSBURG...COLUMBIA...BALTIMORE... LEESBURG 459 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...ONE TO THREE INCHES OF TOTAL SNOW ACCUMULATION. * TIMING...SNOW WILL CONTINUE TO TAPER OFF THROUGH 7 AM. * TEMPERATURES...MIDDLE TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ DCZ001-MDZ013-014-VAZ040-052>054-501-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-RAPPAHANNOCK- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER- INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH...WARRENTON 459 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...1 TO 2 INCHES OF TOTAL SNOW ACCUMULATION. * TIMING...SNOW WILL CONTINUE TO TAPER OFF THROUGH 7 AM. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE MIDDLE 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND ICE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ038-039-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ GREENE-MADISON- 459 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...TOTAL SNOW AND SLEET ACCUMULATION AROUND AN INCH. TOTAL ICE ACCUMULATION LESS THAN A TENTH OF AN INCH. * TIMING...SNOW WILL CONTINUE TO TAPER OFF THROUGH 7 AM. * TEMPERATURES...MIDDLE TO UPPER 20S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ016-018-VAZ051-055-502-221200- /O.CON.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ CHARLES-CALVERT-CULPEPER-STAFFORD-SOUTHERN FAUQUIER- INCLUDING THE CITIES OF...WALDORF...CULPEPER 459 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...AROUND ONE INCH TOTAL SNOW AND SLEET ACCUMULATION. LESS THAN ONE TENTH INCH TOTAL ICE ACCUMULATION. * TIMING...SNOW WILL CONTINUE TO TAPER OFF THROUGH 7 AM. * TEMPERATURES...UPPER 20S TO LOWER 30S. * WINDS...NORTHEAST 10 TO 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET...FREEZING RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
387 WWUS41 KLWX 221051 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 551 AM EST TUE FEB 22 2011 MDZ004>007-221200- /O.CAN.KLWX.WS.W.0004.000000T0000Z-110222T1200Z/ FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- INCLUDING THE CITIES OF...FREDERICK...WESTMINSTER 551 AM EST TUE FEB 22 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER STORM WARNING. $$ DCZ001-MDZ009>011-013-014-016-018-VAZ038>040-042-051>055-501-502- 221200- /O.CAN.KLWX.WW.Y.0009.000000T0000Z-110222T1200Z/ DISTRICT OF COLUMBIA-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-CALVERT-GREENE-MADISON- RAPPAHANNOCK-LOUDOUN-CULPEPER- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-NORTHERN FAUQUIER- SOUTHERN FAUQUIER- INCLUDING THE CITIES OF...WASHINGTON...GAITHERSBURG...COLUMBIA... BALTIMORE...ANNAPOLIS...WALDORF...LEESBURG...CULPEPER... MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... WARRENTON 551 AM EST TUE FEB 22 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER WEATHER ADVISORY. $$
What forecasters said that day
The local office's own words before this winter storm warning 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 winter storm warning went out at Feb 21, 10:16 AM EST, 1 hour 41 minutes earlier.
Area forecast discussion, Feb 21, 10:16 AM EST, 1 hour 41 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1016 AM EST MON FEB 21 2011
.SYNOPSIS...
A WAVE OF LOW PRESSURE WILL MOVE QUICKLY THROUGH THE REGION THIS
MORNING. THE NEXT LOW PRESSURE SYSTEM OVER THE SOUTHERN PLAINS WILL
CROSS THE AREA TONIGHT...AND BE ACCOMPANIED BY RAIN CHANGING TO A
WINTRY MIX. CANADIAN HIGH PRESSURE BUILDS SOUTHWARD MIDWEEK BEFORE
LOW PRESSURE IMPACTS THE MID-ATLANTIC STATES LATE THURSDAY INTO
FRIDAY.
&&
.NEAR TERM /THROUGH TONIGHT/...
RAIN TODAY...WINTRY MIX...THEN SNOW TONIGHT.
SURFACE COLD FRONT IS DROPPING SOUTH ACROSS THE BALT-WASH METRO
AND SHENANDOAH THIS MORNING WITH TEMPERATURES DECREASING INTO THE 30S
BEHIND THE FRONT WITH NLY FLOW 10 TO 15 MPH. QUITE A DICHOTOMY
COMPARED TO SOUTHERN PORTIONS OF THE CWA WHICH HAVE INCREASED TO
AROUND 60F WITH SLY FLOW. THIS IS FRONTOGENESIS.
THIS BOUNDARY EXTENDS WEST ACROSS THE MIDWEST STATES WITH SFC LOW
OVER SRN IL AND A FILLING UPPER LOW OVER SD. A STRONGER UPPER LOW
IS OVER MAINE...WITH A 1030MB SFC HIGH OVER NRN ONTARIO. THIS SFC
HIGH WILL NOSE SOUTH ACROSS THE MID ATLANTIC TODAY AS THE MIDWEST
SFC LOW APPROACHES.
LIGHT RAIN OUT THERE NOW WITH HEAVIER FRONTAL PRECIP OVER WV
TERMINATING AT THE ALLEGHENY FRONT IN GRANT CO. WILL NEED TO KEEP
AN EYE OUT FOR DYNAMICALLY FORCED LIGHTNING OUT THERE.
MAIN SLUG OF PRECIP IS STILL BACK OVER IN...AHEAD OF THE SFC LOW.
THIS PRECIP...ALONG WITH THE COOLING LOW LEVELS IS WHAT WILL
BRING A WINTRY MIX...THEN SNOW TO THE REGION TONIGHT. WITH THE
COLD AIR MOVING SOUTH...PRECIP CHANGEOVER IS EXPECTED TO BE FROM
NORTH TO SOUTH...WITH SLEET MIXING IN AROUND THE MASON-DIXON BY
6PM...THEN MOVING SOUTH THROUGH THE REST OF THE EVENING.
MID LEVEL FLOW VEERS...CUTTING OFF WARMER SUBTROPICAL
FLOW...COOLING THE COLUMN TO ALLOW FOR ALL SNOW. THIS CHANGEOVER
TO SNOW WILL ALSO PROGRESS SOUTH THROUGH THE NIGHT. FAR SRN
PORTIONS LOOK TO ONLY MIX WITH SLEET LATE TONIGHT.
THE WINTER STORM WATCH WAS EXPANDED TO INCLUDE ALL OF NORTHERN
MARYLAND...WHERE 4 TO 6 INCHES ARE EXPECTED TONIGHT.
WARNING/ADVISORY DECISIONS ARE ANTICIPATED BY EARLY AFTERNOON /1PM/.
&&
.SHORT TERM /TUESDAY THROUGH TUESDAY NIGHT/...
BACKDOOR COLD FRONT WILL CONTINUE TO PUSH SOUTH OF THE AREA AND INTO
THE CAROLINAS ON TUE. MEANWHILE CANADIAN HIPRES TO OUR NORTH SLOWLY
BUILDS SOUTHWARD. HIGH TEMPS TUE WILL RANGE FROM 10F DEG COLDER THAN
TDA ACROSS NRN MD TO 25F DEG COLDER ACROSS CENTRAL VA AS NLY FLOW
AROUND THE HIGH ALLOWS COLDER AIR TO SURGE DOWN INTO THE
MID-ATLANTIC STATES. HIGH TEMPS SHOULD ONLY RISE INTO THE LOW TO MID
30S FROM THE DC AREA NORTHWARD. SKIES WILL REMAIN BKN-OVC ACROSS THE
REGION AS THE MID-UPPER LEVEL TROUGH LINGERS WITHIN THE ZONAL FLOW
ALOFT. ENOUGH MOISTURE AND LIFT MAY HOLD BACK ACROSS SRN MD FOR
LIGHT SNOW LINGERING THRU THE MID-MRNG. ANY SNOWFALL ACCUMULATION
TUE MRNG WOULD BE LIGHT AND MAINLY LIMITED TO GRASSY SURFACES DUE TO
THE WARM GROUND AND AIR TEMPS STILL ABOVE FREEZING IN SRN MD.
UPSLOPE FLOW AND TRAPPED LLVL MOISTURE BENEATH INVERSION WILL
WARRANT THE MENTION OF SNOW SHOWERS ALONG THE WRN SLOPES OF THE
ALLEGHENY FRONT THRU THE AFTN PERIOD.
TUE NGT LOWS WILL DEPEND ON THE AMOUNT OF RADIATIONAL COOLING THAT
OCCURS. SKIES SHOULD CLEAR AS HIPRES CONTINUES TO BUILD SOUTHWARD.
IN AREAS WHERE THE WIND DECOUPLES FROM THE BOUNDARY LAYER...GOOD
RADIATIONAL COOLING WILL ALLOW TEMPS TO DROP INTO THE TEENS AND LOW
20S OVNGT. THE USUAL COLDER SPOTS NORTH AND WEST OF I-95 MAY DROP
INTO THE LOW TEENS OR EVEN FLIRT WITH SINGLE DIGITS.
&&
.LONG TERM /WEDNESDAY THROUGH SUNDAY/...
HIPRES OVERHEAD WED GRADUALLY MOVES OFF THE COAST LATE WED INTO THU.
SLY RETURN FLOW AROUND THE HIGH WILL HELP DRAW WARMER AIR NORTHWARD
TOWARD THE REGION. HIGH TEMPS IN THE 40S WED WILL MODERATE INTO THE
50S BY THU. HIPRES WILL PROVIDE SUNNY AND DRY CONDITIONS DURING THIS
TIME.
A SHORTWAVE TROUGH EMBEDDED IN THE SRN STREAM IS EXPECTED TO MOVE
THRU THE SOUTHWEST CONUS MIDWEEK. AS THE LOW TRACKS TOWARD THE SRN
ROCKIES...SFC LOPRES SHOULD DEVELOP ACROSS THE SRN PLAINS THU. 00Z
ECMWF/GFS/GEFS GUIDANCE IN DECENT AGREEMENT WITH THE SFC LOW
TRACKING E-NE INTO THE OH VLY AND NRN MID-ATLANTIC THU NGT AND FRI.
THE SETUP LOOKS SIMILAR TO THE SYSTEM IMPACTING THE AREA TNGT WITH
ONE BIG EXCEPTION...THERE IS NO STRONG SOURCE OF COLD AIR WITH THE
ABSENCE OF HIPRES TO OUR NORTH. THEREFORE...CURRENT FCST FAVORS A
RAIN EVENT TO END THE WORK WEEK. DAYTIME TEMPS FRI MAY CLIMB INTO
THE 50S AND LOW 60S WITH THE REGION LOCATED IN THE WARM SECTOR OF
THE LOW...BEFORE A COLD FRONT MOVES THRU.
HIPRES BUILDS BACK INTO THE AREA...BUT AN ACTIVE NRN STREAM WILL
BRING LOW CHANCES FOR LIGHT PRECIP THIS WEEKEND. TEMP PROFILES
SUPPORT PRECIP MAINLY IN THE LIQUID FORM.
&&
.AVIATION /15Z MONDAY THROUGH FRIDAY/...
COLD FRONT QUICKLY MOVING SOUTH ACROSS THE TERMINALS. NLY
FLOW...BECOMING GUSTY THIS AFTERNOON THEN THROUGH TONIGHT THROUGH
TAF PERIOD. AN AREA OF LOW PRESSURE WILL MOVE ACROSS THE REGION
TONIGHT...BRINGING SWATHS OF PRECIPITATION. A CHANGEOVER FROM RAIN
TO WINTRY MIX THIS EVENING...THEN SNOW OVERNIGHT. MVFR CIGS MOVING
SOUTH BEHIND THE COLD FRONT...IFR BY THIS EVENING...LIFR CIGS LATE
TONIGHT...WITH IFR VSBYS IN WINTRY PRECIP.
WHILE VSBYS IMPROVE TUE MRNG...RESIDUAL LLVL MOISTURE MAY LEAD TO
SUBVFR CIGS POSSIBLY LINGERING INTO THE AFTN TUE. IMPROVING
CONDITIONS LATE TUE INTO WED AS HIPRES RESIDES OVER THE AREA. THE
NEXT STORM SYSTEM IS EXPECTED TO IMPACT THE TERMINALS THU NGT INTO
FRI. RAIN IS THE PREFERRED PTYPE WITH THE LATE-WEEK SYSTEM.
&&
.MARINE...
COLD FRONT MOVING SOUTH DOWN THE BAY...NLY FLOW 10 TO 15 KT
BEHIND...WILL INCREASE TO 15 TO 20 KT THIS AFTERNOON...WARRANTING
THE SMALL CRAFT VALID. 25 KT GUSTS OVERNIGHT WITH WINTRY PRECIP.
SCA HAS BEEN EXTENDED INTO TUE MRNG FOR MOST OF THE MD CHSPK BAY AND
FOR THE LOWER TIDAL POTOMAC. SCA CONTINUES THRU TUE AFTN FOR THE
SRN-MOST MARINE ZONES...WHERE THE STRONGEST PRESSURE GRADIENT
RESIDES BETWEEN LOPRES ALONG THE SOUTHEAST COAST AND HIPRES BUILDING
FROM THE NORTH.
WINDS WILL BECOME LIGHT EVERYWHERE TUE NGT THRU THU. WINDS MAY
APPROACH SCA LVLS THU NGT INTO FRI AS LOPRES TRACKS TOWARD THE
REGION.
&&
.LWX WATCHES/WARNINGS/ADVISORIES...
DC...NONE.
MD...WINTER STORM WATCH FROM 9 PM EST THIS EVENING THROUGH TUESDAY
MORNING FOR MDZ003>007-501-502.
VA...WINTER STORM WATCH FROM 9 PM EST THIS EVENING THROUGH TUESDAY
MORNING FOR VAZ028-031.
WV...WINTER STORM WATCH FROM 9 PM EST THIS EVENING THROUGH TUESDAY
MORNING FOR WVZ050>053-055-501>504.
MARINE...SMALL CRAFT ADVISORY UNTIL NOON EST TUESDAY FOR ANZ531>533-
538>542.
SMALL CRAFT ADVISORY UNTIL 6 PM EST TUESDAY FOR ANZ534-537-543.
SMALL CRAFT ADVISORY UNTIL 6 AM EST TUESDAY FOR ANZ530-535-536.
&&
UPDATE...JACKSON
PREVIOUS DISCUSSION...LISTEMAA/KLEINHazardous weather outlook, Feb 21, 9:43 AM EST, 2 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 943 AM EST MON FEB 21 2011 ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 220945- 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-NORTHERN BALTIMORE-HARFORD- SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS- CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- 943 AM EST MON FEB 21 2011 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...TODAY AND TONIGHT A SMALL CRAFT ADVISORY IS IN EFFECT THROUGH TONIGHT FOR THE MARYLAND CHESAPEAKE BAY AND THE TIDAL POTOMAC RIVER. A WINTER STORM WATCH HAS BEEN ISSUED FOR CENTRAL MARYLAND FOR TONIGHT. SEE /WBCWSWLWX/ FOR FURTHER DETAILS. WINTER WEATHER ADVISORIES MAY BE NEEDED TONIGHT FOR A WINTRY MIX FROM BALTIMORE TO THE DC METRO AREA. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR MOST OF THE MARYLAND CHESAPEAKE BAY NORTH OF DRUM POINT THROUGH TUESDAY MORNING. THE SMALL CRAFT ADVISORY CONTINUES THROUGH TUESDAY AFTERNOON FOR THE MARYLAND CHESAPEAKE BAY SOUTH OF DRUM POINT AND THE LOWER TIDAL POTOMAC RIVER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504- WVZ050>053-055-501>506-220945- WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON- ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER- NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND- EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- WESTERN PENDLETON-EASTERN PENDLETON- 943 AM EST MON FEB 21 2011 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 WINTER STORM WATCH IS IN EFFECT FOR WESTERN MARYLAND...PORTIONS OF THE EASTERN PANHANDLE OF WEST VIRGINIA AND EXTREME NORTHWEST VIRGINIA. SEE /WBCWSWLWX/ FOR FURTHER DETAILS. WINTER WEATHER ADVISORIES MAY BE NEEDED OUTSIDE OF THE WATCH AREA FOR A WINTRY MIX TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 3:51 AM EST | Winter Storm Watch | LWX | Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 1 more | 8 hr |
| Feb 21, 11:57 AM EST | Winter Weather Advisory | LWX | Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more | 18 hr |
Nearby
Winter Storm Warnings in West Virginia, 2011Winter Storm Warnings in Maryland, 2011Winter Storm Warnings in Virginia, 2011Every winter storm warning in 2011
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.