Alert archive / West Virginia / Winter Storm Warnings in 2012
Winter Storm Warning 3, NWS Baltimore/Washington
NWS Baltimore/Washington issued this winter storm warning at Feb 10, 2012, 1:56 PM EST for Grant County, Mineral County, Pendleton County, West Virginia; Allegany County, Maryland; Highland County, Virginia. It took effect at Feb 10, 2012, 4:17 PM EST. It was in force for 44 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 10, 2012, 1:56 PM EST (18:56 UTC)
- In effect from
- Feb 10, 2012, 4:17 PM EST
- Expired
- Feb 12, 2012, 12:29 PM EST
- In force
- 44 hr
- Issued by
- NWS Baltimore/Washington
Counties Allegany County, MD, Highland County, VA, Grant County, WV, Mineral County, WV, Pendleton County, WV
The radar
The Sterling radar (KLWX), 144 km from the middle of the area, began a volume at 18:59 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, 6.9 hours before the alert went out and 152 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
- 1347 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 305 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
847 WWUS41 KLWX 101856 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 156 PM EST FRI FEB 10 2012 A STRONG COLD FRONT WILL MOVE THROUGH THE MID ATLANTIC REGION LATE TONIGHT. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS WILL BRING LIGHT ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE FRIDAY NIGHT AND SATURDAY. MDZ501-VAZ503-WVZ501-503-505-110300- /O.UPG.KLWX.WS.A.0002.120211T1100Z-120213T0000Z/ /O.NEW.KLWX.WS.W.0003.120211T0200Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 156 PM EST FRI FEB 10 2012 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 7 PM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER STORM WARNING FOR SNOW WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 PM EST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...8 INCHES OR MORE ARE POSSIBLE BY SUNDAY. * TIMING...SNOW SHOWERS WILL BEGIN TONIGHT...INCREASING IN INTENSITY DURING THE DAY SATURDAY. SNOW SHOWERS ARE EXPECTED TO CONTINUE THROUGH AT LEAST SUNDAY AFTERNOON. * TEMPERATURES...IN THE LOWER 20S DURING THE DAY...SINGLE DIGITS AT NIGHT. * WINDS...WEST WINDS 5 TO 10 MPH OVERNIGHT...BECOMING WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * IMPACTS...SIGNIFICANT RESTRICTIONS TO VISIBILITY ARE EXPECTED TO OCCUR IN SNOW AND BLOWING SNOW. 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. && $$ MDZ502-VAZ504-WVZ050-055-502-504-506-110300- /O.NEW.KLWX.WW.Y.0008.120211T0200Z-120212T0000Z/ CENTRAL AND EASTERN ALLEGANY-EASTERN HIGHLAND-HAMPSHIRE-HARDY- EASTERN GRANT-EASTERN MINERAL-EASTERN PENDLETON- INCLUDING THE CITIES OF...CUMBERLAND...MONTEREY...MOOREFIELD... PETERSBURG...KEYSER...FORT ASHBY...FRANKLIN 156 PM EST FRI FEB 10 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 7 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 PM EST SATURDAY. * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...2 TO 4 INCHES. * TIMING...LATE THIS EVENING. SNOW SHOWERS SHOULD CONTINUE PERIODICALLY THROUGHOUT THE DAY SATURDAY. * TEMPERATURES...UPPER 20S TONIGHT. LOWER 30S DURING SATURDAY. * WINDS...WEST WINDS 5 TO 10 MPH OVERNIGHT...BECOMING NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH DURING THE DAYTIME HOURS OF SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ003>007-VAZ028-WVZ051>053-110300- /O.NEW.KLWX.WW.Y.0008.120211T0500Z-120212T0000Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- FREDERICK VA-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... WINCHESTER...MARTINSBURG...CHARLES TOWN 156 PM EST FRI FEB 10 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM EST SATURDAY. * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...1 TO 3 INCHES. * TIMING...SNOW BEGINNING LATE THIS EVENING IN WESTERN MARYLAND AND EASTERN WEST VIRGINIA...AFTER MIDNIGHT IN CENTRAL MARYLAND. SNOW SHOWERS SHOULD CONTINUE PERIODICALLY THROUGHOUT THE DAY SATURDAY. * TEMPERATURES...IN THE LOWER TO MID 30S. * WINDS...WEST WINDS 5 TO 10 MPH OVERNIGHT...BECOMING NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH DURING THE DAYTIME HOURS OF SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
12 follow-up statements
975 WWUS41 KLWX 102117 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 417 PM EST FRI FEB 10 2012 A STRONG COLD FRONT WILL MOVE THROUGH THE MID ATLANTIC REGION LATE TONIGHT. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS WILL BRING LIGHT ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE FRIDAY NIGHT AND SATURDAY. MDZ501-VAZ503-WVZ501-503-505-110530- /O.EXT.KLWX.WS.W.0003.120210T2117Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 417 PM EST FRI FEB 10 2012 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 PM EST SUNDAY... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...8 INCHES OR MORE ARE EXPECTED BY SUNDAY. * TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY THIS EVENING AND CONTINUE OVERNIGHT. SNOW SHOWERS ARE EXPECTED TO CONTINUE THROUGH AT LEAST SUNDAY AFTERNOON. * TEMPERATURES...IN THE MID 20S. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * IMPACTS...SIGNIFICANT RESTRICTIONS TO VISIBILITY ARE EXPECTED TO OCCUR IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ502-VAZ504-WVZ050-055-502-504-506-110530- /O.CON.KLWX.WW.Y.0008.120211T0200Z-120212T0000Z/ CENTRAL AND EASTERN ALLEGANY-EASTERN HIGHLAND-HAMPSHIRE-HARDY- EASTERN GRANT-EASTERN MINERAL-EASTERN PENDLETON- INCLUDING THE CITIES OF...CUMBERLAND...MONTEREY...MOOREFIELD... PETERSBURG...KEYSER...FORT ASHBY...FRANKLIN 417 PM EST FRI FEB 10 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 7 PM EST SATURDAY... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...2 TO 4 INCHES. * TIMING...SNOW WILL BEGIN THIS EVENING AND CONTINUE INTO THE OVERNIGHT. SNOW SHOWERS SHOULD CONTINUE PERIODICALLY THROUGHOUT THE DAY SATURDAY. * TEMPERATURES...IN THE LOWER 30S. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ003>007-VAZ028-WVZ051>053-110530- /O.CON.KLWX.WW.Y.0008.120211T0500Z-120212T0000Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- FREDERICK VA-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... WINCHESTER...MARTINSBURG...CHARLES TOWN 417 PM EST FRI FEB 10 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM EST SATURDAY... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...1 TO 3 INCHES. * TIMING...SNOW BEGINNING LATE THIS EVENING IN WESTERN MARYLAND AND EASTERN WEST VIRGINIA...AFTER MIDNIGHT IN CENTRAL MARYLAND. SNOW SHOWERS SHOULD CONTINUE PERIODICALLY THROUGHOUT THE DAY SATURDAY. * TEMPERATURES...IN THE MID 30S. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
572 WWUS41 KLWX 110520 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1220 AM EST SAT FEB 11 2012 LOW PRESSURE WILL PASS SOUTHEAST VIRGINIA TONIGHT WITH LIGHT TO MODERATE SNOW. A STRONG COLD FRONT WILL MOVE THROUGH SATURDAY. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS OR SQUALLS WILL BRING SNOW ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE FRIDAY NIGHT AND SATURDAY. MDZ501-VAZ503-WVZ501-503-505-111330- /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 1220 AM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...8 INCHES OR MORE ARE EXPECTED BY SUNDAY. * TIMING...SNOW WILL CONTINUE OVERNIGHT. SNOW SHOWERS ARE THEN EXPECTED INTO SUNDAY AFTERNOON. * TEMPERATURES...IN THE MID 20S. * WINDS...WEST 10 TO 20 MPH...INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45 MPH SATURDAY AFTERNOON. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. 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. && $$ MDZ502-VAZ504-WVZ050-055-502-504-506-111330- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ CENTRAL AND EASTERN ALLEGANY-EASTERN HIGHLAND-HAMPSHIRE-HARDY- EASTERN GRANT-EASTERN MINERAL-EASTERN PENDLETON- INCLUDING THE CITIES OF...CUMBERLAND...MONTEREY...MOOREFIELD... PETERSBURG...KEYSER...FORT ASHBY...FRANKLIN 1220 AM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...2 TO 4 INCHES. * TIMING...MAINLY LIGHT SNOW WILL CONTINUE THROUGH THE OVERNIGHT. PERIODIC SNOW SHOWERS OR SQUALLS ARE THEN EXPECTED LATE SATURDAY MORNING INTO THE AFTERNOON. * TEMPERATURES...IN THE LOWER 30S. * WINDS...LIGHT OVER NIGHT...THEN NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH BEHIND A COLD FRONT SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ003>007-VAZ028-WVZ051>053-111330- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- FREDERICK VA-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... WINCHESTER...MARTINSBURG...CHARLES TOWN 1220 AM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...1 TO 3 INCHES. * TIMING...MAINLY LIGHT SNOW CONTINUING THROUGH THE OVERNIGHT. SNOW SQUALLS ARE THEN EXPECTED WITH A COLD FRONT SATURDAY AFTERNOON. * TEMPERATURES...LOW TO MID 30S. * WINDS...LIGHT AND VARIABLE OVER NIGHT...THEN NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH BEHIND THE COLD FRONT SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JACKSON
252 WWUS41 KLWX 111406 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 906 AM EST SAT FEB 11 2012 LOW PRESSURE WILL PASS SOUTHEAST VIRGINIA TONIGHT WITH LIGHT TO MODERATE SNOW. A STRONG COLD FRONT WILL MOVE THROUGH SATURDAY. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS OR SQUALLS WILL BRING SNOW ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE FRIDAY NIGHT AND SATURDAY. MDZ501-VAZ503-WVZ501-503-505-112215- /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 906 AM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...8 INCHES OR MORE TOTAL BY SUNDAY. * TIMING...SNOW WILL CONTINUE THROUGH TODAY AND TONIGHT...TAPERING OFF ON SUNDAY. * TEMPERATURES...20S TODAY...9 ABOVE TO 19 TONIGHT. * WINDS...WEST 10 TO 20 MPH...BECOMING NORTHWEST AND INCREASING TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MDZ502-VAZ504-WVZ050-055-502-504-506-112215- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ CENTRAL AND EASTERN ALLEGANY-EASTERN HIGHLAND-HAMPSHIRE-HARDY- EASTERN GRANT-EASTERN MINERAL-EASTERN PENDLETON- INCLUDING THE CITIES OF...CUMBERLAND...MONTEREY...MOOREFIELD... PETERSBURG...KEYSER...FORT ASHBY...FRANKLIN 906 AM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...2 TO 4 INCHES. * TIMING...PERIODIC SNOW SHOWERS OR SQUALLS ARE THEN EXPECTED LATE THIS MORNING INTO THE AFTERNOON...TAPERING OFF BY LATE AFTERNOON. * TEMPERATURES...IN THE UPPER 20S TO LOWER 30S. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH BY LATE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ003>007-VAZ028-WVZ051>053-112215- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- FREDERICK VA-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... WINCHESTER...MARTINSBURG...CHARLES TOWN 906 AM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW * ACCUMULATIONS...1 TO 3 INCHES. * TIMING...SNOW SHOWERS OR SQUALLS ARE EXPECTED WITH A COLD FRONT THIS AFTERNOON. BRIEF MODERATE TO HEAVY SNOW WILL ADD TO EXISTING TOTALS. * TEMPERATURES...IN THE LOWER TO MIDDLE 30S. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH BY LATE AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JE
765 WWUS41 KLWX 111744 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1244 PM EST SAT FEB 11 2012 A STRONG COLD FRONT IS MOVING THROUGH THE AREA. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS OR SQUALLS WILL BRING ADDITIONAL SNOW ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE THIS AFTERNOON. MDZ501-VAZ503-WVZ501-503-505-120145- /O.NEW.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 1244 PM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... ...WIND CHILL ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SUNDAY... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...8 INCHES OR MORE BY SUNDAY AFTERNOON. * TIMING...SNOW WILL CONTINUE THROUGH TODAY AND TONIGHT... TAPERING OFF ON SUNDAY. * TEMPERATURES...20S THIS AFTERNOON...8 TO 18 OVERNIGHT. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. DANGEROUS SUBZERO WIND CHILLS ARE EXPECTED. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT. 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. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ VAZ504-WVZ506-120145- /O.NEW.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 1244 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...WIND CHILL ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SUNDAY. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...1 TO 3 INCHES. * TIMING...PERIODIC SNOW SHOWERS WILL TAPER OFF THIS AFTERNOON. * TEMPERATURES...DROPPING TO AROUND 20 TONIGHT. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT...ESPECIALLY AT HIGHER ELEVATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MDZ502-WVZ050-055-502-504-120000- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ CENTRAL AND EASTERN ALLEGANY-HAMPSHIRE-HARDY-EASTERN GRANT- EASTERN MINERAL- INCLUDING THE CITIES OF...CUMBERLAND...MOOREFIELD...PETERSBURG... KEYSER...FORT ASHBY 1244 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...1 TO 3 INCHES. * TIMING...PERIODIC SNOW SHOWERS WILL TAPER OFF BY LATE AFTERNOON. * TEMPERATURES...DROPPING INTO THE 20S. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MDZ003>007-VAZ028-WVZ051>053-120000- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- FREDERICK VA-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... WINCHESTER...MARTINSBURG...CHARLES TOWN 1244 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...1 TO 3 INCHES. * TIMING...SNOW SHOWERS WILL TAPER OFF BY LATE AFTERNOON. * TEMPERATURES...IN THE LOWER 30S. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JE
661 WWUS41 KLWX 111811 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 111 PM EST SAT FEB 11 2012 A STRONG COLD FRONT IS MOVING THROUGH THE AREA. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS OR SQUALLS WILL BRING ADDITIONAL SNOW ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE THIS AFTERNOON. VAZ504-WVZ506-120215- /O.CAN.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ /O.CON.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 111 PM EST SAT FEB 11 2012 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SUNDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER WEATHER ADVISORY. * TEMPERATURES...DROPPING THROUGH THE 20S THIS EVENING. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT...ESPECIALLY AT HIGHER ELEVATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MDZ502-WVZ050-055-502-504-111915- /O.CAN.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ CENTRAL AND EASTERN ALLEGANY-HAMPSHIRE-HARDY-EASTERN GRANT- EASTERN MINERAL- INCLUDING THE CITIES OF...CUMBERLAND...MOOREFIELD...PETERSBURG... KEYSER...FORT ASHBY 111 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER WEATHER ADVISORY. A FEW LIGHT SNOW SHOWERS ARE STILL POSSIBLE THIS AFTERNOON... BUT THE THREAT FOR SIGNIFICANT ACCUMULATIONS HAS ENDED. THEREFORE... THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. $$ MDZ501-VAZ503-WVZ501-503-505-120215- /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ /O.CON.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 111 PM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SUNDAY... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...8 INCHES OR MORE TOTAL THROUGH SUNDAY. * TIMING...SNOW WILL CONTINUE THROUGH TODAY AND TONIGHT... TAPERING OFF ON SUNDAY. * TEMPERATURES...20S THIS AFTERNOON...FALLING THROUGH THE TEENS TONIGHT. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. DANGEROUS SUBZERO WIND CHILLS ARE EXPECTED. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT. 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. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MDZ003>007-VAZ028-WVZ051>053-120000- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- FREDERICK VA-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...FREDERICK...WESTMINSTER... WINCHESTER...MARTINSBURG...CHARLES TOWN 111 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...1 TO 2 INCHES TOTAL. * TIMING...A BAND OF SNOW SHOWERS WILL MOVE THROUGH THIS AFTERNOON...ADDING TO EARLIER TOTALS...ESPECIALLY ON RIDGETOPS. * TEMPERATURES...IN THE LOWER 30S. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH...AFTER THE BAND OF SNOW MOVES THROUGH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JE
587 WWUS41 KLWX 111958 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 258 PM EST SAT FEB 11 2012 A STRONG COLD FRONT IS MOVING THROUGH THE AREA. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS OR SQUALLS WILL BRING ADDITIONAL SNOW ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE THIS AFTERNOON. MDZ003-VAZ028-WVZ051>053-112100- /O.CAN.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ WASHINGTON-FREDERICK VA-MORGAN-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...HAGERSTOWN...WINCHESTER...MARTINSBURG... CHARLES TOWN 258 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS ENDED ACROSS THE INTERSTATE 81 CORRIDOR. A FEW FLURRIES WILL REMAIN POSSIBLE WITH GUSTY WINDS OF 20 TO 30 MPH THROUGH SUNSET. $$ MDZ501-VAZ503-WVZ501-503-505-120400- /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ /O.CON.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 258 PM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SUNDAY... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...8 INCHES OR MORE STORM TOTAL THROUGH SUNDAY. * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT...TAPERING OFF ON SUNDAY. * TEMPERATURES...20S THROUGH SUNSET...FALLING THROUGH THE TEENS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. DANGEROUS SUBZERO WIND CHILLS ARE EXPECTED. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MDZ004>007-120000- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD- INCLUDING THE CITIES OF...FREDERICK...WESTMINSTER 258 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...UP TO AN ADDITIONAL INCH IN A HEAVY SNOW SQUALL...BRINGING STORM TOTALS TO 1 TO 3 INCHES...ESPECIALLY NEAR THE MASON DIXON LINE. * TIMING...THIS AFTERNOON...ENDING AROUND SUNSET. * TEMPERATURES...IN THE LOWER 30S. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH IN THE SNOW SQUALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ504-WVZ506-120400- /O.CON.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 258 PM EST SAT FEB 11 2012 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SUNDAY... * TEMPERATURES...20S THROUGH SUNSET...THEN FALLING THROUGH THE TEENS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT...ESPECIALLY AT HIGHER ELEVATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ JE
431 WWUS41 KLWX 112116 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 416 PM EST SAT FEB 11 2012 A STRONG COLD FRONT IS MOVING THROUGH THE AREA. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS OR SQUALLS WILL BRING ADDITIONAL SNOW ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE THIS AFTERNOON. MDZ004-005-112230- /O.CAN.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ FREDERICK MD-CARROLL- INCLUDING THE CITIES OF...FREDERICK...WESTMINSTER 416 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW SHOWERS HAVE ENDED ACROSS FREDERICK COUNTY...AND WILL BE MOVING EAST OF CARROLL COUNTY SHORTLY. $$ MDZ501-VAZ503-WVZ501-503-505-120530- /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ /O.CON.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 416 PM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...8 INCHES OR MORE STORM TOTAL THROUGH SUNDAY. * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT...TAPERING OFF ON SUNDAY. * TEMPERATURES...20S THROUGH SUNSET...FALLING THROUGH THE TEENS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. DANGEROUS SUBZERO WIND CHILLS ARE EXPECTED. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MDZ006-007-120000- /O.CON.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ NORTHERN BALTIMORE-HARFORD- 416 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...UP TO AN ADDITIONAL INCH IN A HEAVY SNOW SQUALL...BRINGING STORM TOTALS TO 1 TO 3 INCHES...ESPECIALLY NEAR THE MASON DIXON LINE. * TIMING...THIS AFTERNOON...ENDING AROUND SUNSET. * TEMPERATURES...IN THE LOWER 30S. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH IN THE SNOW SQUALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VAZ504-WVZ506-120530- /O.CON.KLWX.WC.Y.0004.120212T0000Z-120212T1500Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 416 PM EST SAT FEB 11 2012 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... * TEMPERATURES...20S THROUGH SUNSET...THEN FALLING THROUGH THE TEENS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT...ESPECIALLY AT HIGHER ELEVATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ HTS
367 WWUS41 KLWX 120002 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 702 PM EST SAT FEB 11 2012 A STRONG COLD FRONT IS MOVING THROUGH THE AREA. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS OR SQUALLS WILL BRING ADDITIONAL SNOW ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE MASON DIXON LINE THIS AFTERNOON. MDZ006-007-120115- /O.EXP.KLWX.WW.Y.0008.000000T0000Z-120212T0000Z/ NORTHERN BALTIMORE-HARFORD- 702 PM EST SAT FEB 11 2012 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 7 PM EST THIS EVENING... MOST OF THE ACCUMULATING SNOW SHOWERS HAVE ENDED ACROSS NORTHEAST MARYLAND. THERE MAY BE A BRIEF SNOW SHOWER OVERNIGHT...BUT LITTLE IF ANY ADDITIONAL ACCUMULATION CAN BE EXPECTED. $$ MDZ501-VAZ503-WVZ501-503-505-120815- /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ /O.CON.KLWX.WC.Y.0004.000000T0000Z-120212T1500Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 702 PM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...8 INCHES OR MORE STORM TOTAL THROUGH SUNDAY. * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT...TAPERING OFF ON SUNDAY. * TEMPERATURES...FALLING THROUGH THE TEENS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. DANGEROUS SUBZERO WIND CHILLS ARE EXPECTED. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ VAZ504-WVZ506-120815- /O.CON.KLWX.WC.Y.0004.000000T0000Z-120212T1500Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 702 PM EST SAT FEB 11 2012 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... * TEMPERATURES...FALLING THROUGH THE TEENS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT...ESPECIALLY AT HIGHER ELEVATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ HTS
877 WWUS41 KLWX 120239 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 939 PM EST SAT FEB 11 2012 .A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. MDZ501-VAZ503-WVZ501-503-505-121045- /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ /O.CON.KLWX.WC.Y.0004.000000T0000Z-120212T1500Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 939 PM EST SAT FEB 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...6 TO 12 INCHES. * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT...TAPERING OFF ON SUNDAY. * TEMPERATURES...FALLING THROUGH THE TEENS. LOWS TOWARD DAWN AROUND 10 ABOVE. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. DANGEROUS SUBZERO WIND CHILLS ARE EXPECTED. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ VAZ504-WVZ506-121045- /O.CON.KLWX.WC.Y.0004.000000T0000Z-120212T1500Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 939 PM EST SAT FEB 11 2012 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... * TEMPERATURES...FALLING THROUGH THE TEENS. LOWS TOWARD DAWN AROUND 10 ABOVE. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * WIND CHILL VALUES...10 BELOW TO ZERO OVERNIGHT...ESPECIALLY AT HIGHER ELEVATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ HTS
545 WWUS41 KLWX 121054 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 554 AM EST SUN FEB 12 2012 .A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS ALONG THE WESTERN SLOPES OF THE HIGHLANDS. MDZ501-VAZ503-WVZ501-503-505-121900- /O.EXT.KLWX.WC.Y.0004.000000T0000Z-120212T1700Z/ /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 554 AM EST SUN FEB 12 2012 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON EST TODAY... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...6 TO 12 INCHES. * TIMING...SNOW WILL CONTINUE THROUGH TODAY...TAPERING OFF THIS EVENING. * TEMPERATURES...9 TO 25 ABOVE. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * IMPACTS...SIGNIFICANT VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. DANGEROUS SUBZERO WIND CHILLS ARE EXPECTED THIS MORNING. * WIND CHILL VALUES...5 TO 10 BELOW ZERO THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ VAZ504-WVZ506-121700- /O.EXT.KLWX.WC.Y.0004.000000T0000Z-120212T1700Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 554 AM EST SUN FEB 12 2012 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON EST TODAY... * TEMPERATURES...9 TO 23 ABOVE. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * WIND CHILL VALUES...5 TO 10 BELOW TO ZERO THIS MORNING...ESPECIALLY AT HIGHER ELEVATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
782 WWUS41 KLWX 121433 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 AM EST SUN FEB 12 2012 .NORTHWEST WINDS WILL BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOW ALONG THE WESTERN SLOPES OF THE HIGHLANDS. MDZ501-VAZ503-WVZ501-503-505-122000- /O.CAN.KLWX.WC.Y.0004.000000T0000Z-120212T1700Z/ /O.CON.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 933 AM EST SUN FEB 12 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WIND CHILL ADVISORY. * PRECIPITATION TYPE...SNOW. * ACCUMULATIONS...2 TO 4 INCHES OF ADDITIONAL SNOW EXPECTED TODAY. * TIMING...SNOW WILL TAPER OFF THIS AFTERNOON. * TEMPERATURES...10 TO 20 ABOVE. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * IMPACTS...VISIBILITY RESTRICTIONS ARE EXPECTED IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ VAZ504-WVZ506-121545- /O.CAN.KLWX.WC.Y.0004.000000T0000Z-120212T1700Z/ EASTERN HIGHLAND-EASTERN PENDLETON- INCLUDING THE CITIES OF...MONTEREY...FRANKLIN 933 AM EST SUN FEB 12 2012 ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WIND CHILL ADVISORY. WINDS HAVE DECREASED SOMEWHAT FROM EARLIER BUT WILL CONTINUE BLUSTERY TODAY WITH GUSTS TO 40 MPH IN HIGHER ELEVATIONS ABOVE 1500 FEET. A SLOW RISE IN TEMPERATURES IS EXPECTED THIS AFTERNOON. $$ SMZ
810 WWUS41 KLWX 121729 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1229 PM EST SUN FEB 12 2012 MDZ501-VAZ503-WVZ501-503-505-121830- /O.CAN.KLWX.WS.W.0003.000000T0000Z-120213T0000Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 1229 PM EST SUN FEB 12 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE WINTER STORM WARNING. THE BULK OF THE SNOW HAS ENDED IN THE WARNING AREA. SNOW SHOWER ACTIVITY THIS AFTERNOON COULD PRODUCE A LIGHT SNOW ACCUMULATION OF LESS THAN ONE INCH ALONG THE WESTERN RIDGES OF THE ALLEGHENY FRONT. WEST TO NORTHWEST WINDS GUSTING TO 35 MPH AT TIMES WILL PRODUCE CONSIDERABLE BLOWING SNOW THIS AFTERNOON. WINDS ARE EXPECTED TO DIE DOWN BY SUNSET. $$ SMZ
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 10, 11:00 AM EST, 2 hours 56 minutes earlier.
Area forecast discussion, Feb 10, 11:00 AM EST, 2 hours 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1100 AM EST FRI FEB 10 2012
.SYNOPSIS...
HIGH PRESSURE WILL SHIFT OFF THE COAST THIS AFTERNOON. LOW PRESSURE
WILL DEVELOP ALONG THE SOUTHEAST COAST THIS EVENING AND TRACK
NORTHEASTWARD. A COLD FRONT ACROSS SOUTHERN CANADA WILL TRACK INTO
THE MID ATLANTIC EARLY SATURDAY BRINGING COLDER AIR TO THE REGION
THROUGH EARLY NEXT WEEK. MODERATING TEMPERATURES ARE EXPECTED BY THE
MIDDLE OF THE WEEK AS HIGH PRESSURE MOVES OFF THE COAST.
&&
.NEAR TERM /THROUGH TONIGHT/...
HIGH PRES HAS MOVED OFF THE COAST. THE ARCTIC AIR COLD FNT...WHICH
HAS BEEN ON THE MDL HORIZON SINCE EARLY LAST WK..IS NOW STRETCHING
ACROSS SRN QUEBEC INTO NRN IL. AT SAME TIME A SHORT WV IS MOVING
ACROSS ERN TX...BRINGING RAFL TO THE SRN MS VLLY. 12Z IAD/RNK
SNDGS SHOW WEAK WAA IN THE LO LVLS. SWLY FLOW DEVELOPING OUT
AHEAD OF BOTH SYSTEMS WILL ADVECT MILDER AIR INTO THE MID ATLANTIC
TDA. DESPITE INCREASING CLOUD COVER LATE THIS AFTN...MAX TEMPS
SHOULD RISE WELL INTO THE 40S...PSBLY 50 ACROSS CENTRAL VA AND SRN
MD...EXCEPT FOR THE COOLER RIDGE TOPS OF THE POTOMAC HIGHLANDS.
PRVS DSCN...
ISENTROPIC LIFT IN THE LLVLS INCREASE LATE THIS AFTN AHEAD OF THE
APPROACHING TROUGH. HAVE MADE MINOR UPWARD ADJUSTMENTS TO THE POPS
THIS AFTN FROM THE BLUE RIDGE-WWD. GIVEN THE WARM TEMPS IN THE
BOUNDARY LAYER...PRECIP SHOULD BE RAIN EVERYWHERE EXCEPT FOR A
RA-SN MIX ACROSS THE FAR WRN RIDGES ABOVE 2 KFT.
NUMERICAL MODEL GUIDANCE CONTINUES TO SHOW A COMPLEX WEATHER PATTERN
SHAPING UP FOR TNGT. AN ARCTIC COLD FRONT ASSOCIATED WITH THE NRN
STREAM TROUGH WILL PROGRESS EWD TOWARD THE WRN SIDE OF THE
APPALACHIANS TNGT...WHILE THE WEAKER SRN STREAM SYSTEM MOVES
ACROSS THE SE STATES. AS THESE TWO SYSTEMS START TO PHASE...A
SECONDARY LOW DEVELOPS NEAR THE CAROLINA COAST THIS EVE. IT
APPEARS THESE TWO SYSTEMS DO NOT TRULY PHASE UNTIL THE COASTAL LOW
PASSES TO OUR NORTH AND EAST. THEREFORE...THE COASTAL LOW IS
EXPECTED TO TAKE A MORE OFFSHORE TRACK THAT KEEPS THE HEAVIEST
PRECIP EAST OF THE CHSPK BAY. MODELS DUE SHOW WEAK FORCING VIA
ISENTROPIC LIFT AND LLVL FRONTOGENESIS OVER THE CWA AS MOISTURE
STREAMS NWD AHEAD BOTH SYSTEMS. THEREFORE...LGT PRECIP IS EXPECTED
ACROSS THE AREA.
PRECIP IS EXPECTED TO START OFF AS RAIN THIS EVE...BEFORE MIXING WITH
AND EVENTUALLY TRANSITIONING TO ALL SNOW FROM NW TO SE TNGT. SIMILAR
TO THE EVENT ON WED...SFC TEMPERATURES START OUT FAIRLY WARM.
ATTM...EXPECT THE RA/SN LINE TO BE NEAR THE BLUE RIDGE BY
MIDNIGHT...WITH SNOW OVER POTOMAC HIGHLANDS/ERN WV/WRN MD AND
RAIN ALONG THE I-95 CORRIDOR. PRECIP IS THEN FORECASTED TO CHANGE
OVER TO SNOW LATE TNGT ACROSS THE NRN/WRN SUBURBS OF DC AND
BALTIMORE. THE HIGHEST SNOWFALL ACCUMULATIONS WILL BE WELL NORTH
AND WEST OF THE CITIES. GIVEN THE LGT QPF TNGT AND MARGINAL SFC
TEMPS...GENERALLY NOT MUCH MORE THAN AN INCH TO PERHAPS TWO INCHES
IN THE POTOMAC HIGHLANDS AND NEAR THE MASON-DIXON LINE IS
POSSIBLE. THE LIKELIHOOD FOR TWO INCHES OF SNOW IS NOT HIGH
ENOUGH TO ISSUE A SECOND PERIOD ADVISORY. PRECIP MAY CHANGE OVER
TO A WET SNOW IN THE CITIES...BUT THE GROUND WILL LIKELY BE TOO
WARM FOR SNOW TO ACCUMULATE.
&&
.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
WE HV ISSUED A WINT STORM WTCH FOR THE WRN SLOPES OF THE ALLEGHENY
HIGHLANDS FOR SAT AND SUN. LAKE ERIE TEMPS RANGE FM 35 TO 39.
NATL ICE CENTER ANLYS SHOWS LTL-TO-NO ICE CVR...FAIRLY UNUSUAL FOR
ERLY FEB...HENCE THE LAKE EFFECT/UPSLOPE SNOW PRODUCTION MECHANISM
SHOULD BE AT FULL FORCE DURG THE DAY SAT. 8" OR MORE PSBL BY THE
TIME THE NWRLY FLOW DIMINISHED SUN AFTN/EVE.
PRVS DSCN...
UPPER TROUGH INITIALLY OVER THE GREAT LAKES AND OHIO VALLEY SAT
MORNING WILL PROGRESS EWD AND REACH THE CWA BY SAT EVENING. AS THE
TROUGH APPROACHES...LOW PRESSURE WILL DEVELOP OFFSHORE EAST OF THE
HAMPTON ROADS REGION AND RAPIDLY STRENGTHEN AS IT TRAVERSES THE
GULF STREAM WATERS. PRIMARY DIFFERENCES IN MODELS AT THIS TIME ARE
HOW QUICKLY THE LOW ORGANIZES SAT MORNING AND HOW MUCH
PRECIPITATION WRAPS AROUND THE BACK SIDE OF THE LOW. GENERAL
CONSENSUS IS THAT MOST PRECIP DIRECTLY ASSOCIATED WITH THE SURFACE
LOW WOULD FALL ACROSS SERN VA AND EAST OF CHESAPEAKE BAY...BUT
THERE MAY BE ENOUGH LIFT ASSOCIATED WITH THE UPPER TROUGH TO
GENERATE PRECIP WEST OF THE BAY AS WELL. AS THIS POINT...LIMITING
POPS TO CHANCE OVER MOST OF THE CWA EAST OF THE MOUNTAINS...EXCEPT
SOME AREAS NEAR CHES BAY IN THE MORNING WHERE LIKELY POPS ARE
FORECAST. UNCERTAINTY OVER TEMPERATURES ALSO LIMITS CONFIDENCE IN
P-TYPE...BUT GENERAL TREND INDICATES RAIN/SNOW MIX POTENTIAL EAST
OF THE BLUE RIDGE IN THE MORNING...THEN CHANGING TO RAIN...THEN
BACK TO A MIX LATE IN THE DAY.
FURTHER WEST OVER THE POTOMAC HIGHLANDS...STRONG NORTHWESTERLY WINDS
DEVELOP DURING THE DAY ENHANCING POTENTIAL FOR ACCUMULATING UPSLOPE
SNOWFALL. FORECAST SOUNDINGS INDICATE STEEP LAPSE RATES DEVELOPING
AT LOW LEVELS. WIND DIRECTION SHOULD BE FAVORABLE FOR ADVECTING
MOISTURE FROM THE GREAT LAKES. AT THIS POINT...SNOWFALL SHOULD BE
LESS THAN WINTER STORM WARNING CRITERIA...BUT THIS WILL NEED TO BE
EVALUATED WITH ADDITIONAL MODEL RUNS FOR POTENTIAL OF HIGHER SNOW
AMOUNTS.
SIGNIFICANT ARCTIC AIR ENTERS THE MID-ATLANTIC BEHIND THIS SYSTEM.
THE LOW WILL PUSH FARTHER OFFSHORE SATURDAY NIGHT WITH DRY WEATHER
EXPECTED...EXCEPT POSSIBLY OVER THE POTOMAC HIGHLANDS WHERE UPSLOPE
SNOW MAY LINGER. TEMPS DROP INTO THE TEENS TO LOW 20S OVER MOST OF
THE REGION...WITH POTENTIAL FOR SINGLE-DIGIT LOWS IN HIGHER
ELEVATIONS. GUSTY WINDS ARE EXPECTED MOST OF THE NIGHT...WITH
POTENTIAL FOR SINGLE-DIGIT WIND CHILLS OVER LOWER ELEVATIONS AND
SUB-ZERO WIND CHILLS OVER HIGHER ELEVATIONS. SOME RIDGE TOPS MAY EVEN
SEE WIND CHILLS BELOW -10 AT TIMES EARLY SUNDAY MORNING.
&&
.LONG TERM /MONDAY THROUGH THURSDAY/...
HIGH PRESSURE RETURNS MONDAY AND MONDAY NIGHT...WITH DRY WEATHER AND
DIMINISHING WINDS EXPECTED. DOWNSLOPE FLOW MONDAY WILL HELP TEMPS
RETURN TO NORMAL. NEXT OPPORTUNITY FOR PRECIP WILL BE MONDAY NIGHT
OVER WESTERN PORTIONS OF THE CWA...THEN TUESDAY AND TUESDAY NIGHT
FOR THE REMAINDER...WITH THE POTENTIAL FOR WEAK LOW PRESSURE PASSING
THROUGH THE REGION.
&&
.AVIATION /16Z FRIDAY THROUGH TUESDAY/...
VFR CONDITIONS AND LGT SLY FLOW TDA. CLOUD COVER WILL INCREASE
THIS AFTN...THEN CIGS WILL LOWER THIS EVE AS A COLD FRONT
APPROACHES FROM THE WEST. PRECIP WILL BE RA THIS EVE.
HOWEVER...COLDER AIR MOVING IN FROM THE WEST WILL CAUSE RA TO MIX
WITH SNOW LATE TNGT. A TRANSITION TO ALL SNOW IS LIKELY AT MRB AROUND
MIDNIGHT AND IAD/BWI SOMETIME DURING THE ERY MRNG. THE TIMING OF A
CHANGE OVER IS STILL A LITTLE UNCERTAIN ATTM. IFR CIGS/VSBYS ARE
LIKELY WITH SNOW.
PERIODS OF SUB-VFR CONDS PSBL SATURDAY WITH RAIN OR A RAIN/SNOW
MIX. GUSTY WINDS DVLP BY SAT AFTERNOON...WITH POTENTIAL FOR GUSTS
EXCEEDING 30 KTS LATE AFTERNOON INTO THE EVENING.
VFR LIKELY SUNDAY WITH GUSTY NW WINDS CONTINUING.
VFR LIKELY MONDAY WITH LIGHT WINDS. OCCASIONAL SUB-VFR PSBL TUESDAY.
&&
.MARINE...
SLY WINDS TDA WILL BE LGT...EXCEPT FOR CHANNELED FLOW LEADING TO
HIGHER GUSTS UPWARDS OF 15 KT IN THE MAIN STEM OF THE MD CHSPK
BAY. A COASTAL LOW WILL DEVELOP ALONG THE CAROLINA COAST THIS EVE
BEFORE TRACKING NEWD AND WELL OFF THE DELMARVA COAST LATE TNGT.
PRECIP WILL OVERSPREAD THE AREA AS A RESULT.
SMALL CRAFT ADVISORY CONDITIONS WILL START BY SATURDAY MORNING AS
LOW PRESSURE STRENGTHENS OVER THE ATLANTIC JUST OFFSHORE. GALES
WILL BE LIKELY OVER PORTIONS OF THE WATERS BY SATURDAY AFTERNOON
AND CONTINUING INTO SUNDAY WITH GUSTY NW FLOW BEHIND THE SYSTEM.
CONDITIONS IMPROVE GRADUALLY SUNDAY NIGHT...BUT SCA GUSTS WILL BE
POSSIBLE INTO MONDAY MORNING. THEN SUB-SCA CONDITIONS BY MONDAY
AFTERNOON AND CONTINUING THROUGH TUESDAY WITH HIGH PRESSURE OVER
THE WATERS.
&&
.LWX WATCHES/WARNINGS/ADVISORIES...
DC...NONE.
MD...WINTER STORM WATCH FROM SATURDAY MORNING THROUGH SUNDAY
EVENING FOR MDZ501.
VA...WINTER STORM WATCH FROM SATURDAY MORNING THROUGH SUNDAY
EVENING FOR VAZ503.
WV...WINTER STORM WATCH FROM SATURDAY MORNING THROUGH SUNDAY
EVENING FOR WVZ501-503-505.
MARINE...SMALL CRAFT ADVISORY FROM 8 AM TO 6 PM EST SATURDAY FOR
ANZ530>543.
&&
UPDATE...WOODY!
PRVS...JRK/KCSHazardous weather outlook, Feb 10, 10:11 AM EST, 3 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1011 AM EST FRI FEB 10 2012 ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 111015- 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- 1011 AM EST FRI FEB 10 2012 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 RAIN WILL CHANGE TO SNOW OVERNIGHT AS COLDER AIR MOVES INTO THE REGION. LIGHT SNOWFALL ACCUMULATIONS WILL LIKELY BE LIMITED TO THE NORTHERN AND WESTERN SUBURBS OF WASHINGTON DC AND BALTIMORE LATE TONIGHT. PLEASE CONTINUE TO MONITOR THE LATEST FORECASTS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE WATERS SATURDAY. THIS WILL LIKELY BE EXTENDED THROUGH SUNDAY. A GALE WARNING MAY BE NEEDED FOR PORTIONS OF THE WATERS LATE SATURDAY AND SUNDAY. A WIND ADVISORY MAY ALSO BE NEEDED OVER LAND AREAS LATE SATURDAY AFTERNOON AND SATURDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504- WVZ050>053-055-501>506-111015- 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- 1011 AM EST FRI FEB 10 2012 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 RAIN WILL CHANGE TO SNOW FROM NORTHWEST TO SOUTHEAST TONIGHT AS COLDER AIR MOVES INTO THE REGION. LIGHT SNOWFALL ACCUMULATIONS ARE LIKELY NORTH AND WEST OF INTERSTATE 95. THERE STILL REMAINS SOME UNCERTAINTY REGARDING THE TIMING OF THE TRANSITION TO SNOW...WHICH WILL DETERMINE SNOWFALL AMOUNTS. PLEASE CONTINUE TO MONITOR THE LATEST FORECASTS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A WINTER STORM WATCH HAS BEEN ISSUED FOR THE WESTERN SLOPES OF THE ALLEGHENY HIGHLANDS. ACCUMULATING SNOWFALL IS EXPECTED SATURDAY INTO SUNDAY AS COLDER AIR PUSHES INTO THE REGION. BY SUNDAY AFTERNOON 8 INCHES OR MORE OF SNOWFALL IS POSSIBLE. THE COMBINATION OF THE COLD AIR AND GUSTY WINDS MAY CAUSE WIND CHILLS TO DROP TO BELOW ZERO OVER HIGHER ELEVATIONS OF THE POTOMAC HIGHLANDS SATURDAY NIGHT AND SUNDAY MORNING. A WIND ADVISORY MAY ALSO BE NEEDED SATURDAY AFTERNOON AND SATURDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 9:53 AM EST | Winter Storm Watch | LWX | Grant, Mineral, Pendleton | 4 hr |
| Feb 10, 1:56 PM EST | Winter Weather Advisory | LWX | Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more | 29 hr |
| Feb 10, 3:37 AM EST | Small Craft Advisory | LWX | 38 hr | |
| Feb 10, 12:29 PM EST | Gale Warning | LWX | 48 hr |
Nearby
Winter Storm Warnings in West Virginia, 2012Winter Storm Warnings in Maryland, 2012Winter Storm Warnings in Virginia, 2012Every winter storm warning in 2012
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.