Alert archive / Massachusetts / Winter Storm Warnings in 2010
Winter Storm Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this winter storm warning at Jan 17, 2010, 4:20 PM EST for 6 counties in Massachusetts; Cheshire County, Hillsborough County, New Hampshire. It took effect at Jan 17, 2010, 6:00 PM EST. It was in force for 16 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 17, 2010, 4:20 PM EST (21:20 UTC)
- In effect from
- Jan 17, 2010, 6:00 PM EST
- Expired
- Jan 18, 2010, 9:57 AM EST
- In force
- 16 hr
- Issued by
- NWS Boston/Norton, MA
Counties Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH
The radar
The Boston radar (KBOX), 97 km from the middle of the area, began a volume at 21:20 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 18, 1:07 AM EST | HEAVY SNOW 0 | Leominster, MA | WIRES DOWN DUE TO SNOW ACCUMULATION |
| Jan 18, 2:10 AM EST | HEAVY SNOW 0 | Whately, MA | WIRES DOWN NEAR ALLEN BROS. LUMBER YARD DUE TO SNOW ACCUMULATION |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.3 hours before the alert went out and 150 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
- 702 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
323 WWUS41 KBOX 172120 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 420 PM EST SUN JAN 17 2010 ...A QUICK HITTING WINTER STORM TONIGHT INTO MONDAY MORNING WILL CAUSE SIGNIFICANT SNOWFALL ACCUMULATIONS PRIMARILY ACROSS THE HIGH TERRAIN OF INTERIOR SOUTHERN NEW ENGLAND AS WELL AS NORTHEASTERN MASSACHUSETTS... MAZ002>010-012-026-NHZ011-012-015-180530- /O.UPG.KBOX.WS.A.0001.100117T2300Z-100118T1500Z/ /O.NEW.KBOX.WS.W.0001.100117T2300Z-100118T1500Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER... CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...MILFORD... WORCESTER...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA... PETERBOROUGH...WEARE 420 PM EST SUN JAN 17 2010 ...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 10 AM EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. THE WINTER STORM WARNING AREA INCLUDES LOCATIONS ALONG THE MASS TURNPIKE FROM THE WESTERN SUBURBS OF BOSTON TO THE BERKSHIRES AND NORTHWARD INTO SOUTHERN NEW HAMPSHIRE. THE WARNING DOES NOT INCLUDE THE GREATER BOSTON OR SPRINGFIELD AREAS. RAIN...SLEET...AND SNOW WILL OVERSPREAD THE WARNING AREA THIS EVENING. AFTER COMING DOWN HARD FOR A FEW HOURS...IT MAY LIGHTEN UP AND MIX WITH FREEZING RAIN FOR A TIME IN SOME AREAS. THEN...BETWEEN MIDNIGHT AND 6 AM...A PERIOD OF HEAVY SNOW IS EXPECTED TO DEVELOP. THE SNOW WILL TAPER TO FLURRIES AND END BY LATE MONDAY MORNING. TOTAL STORM ACCUMULATIONS OF 5 TO 9 INCHES ARE FORECAST IN THE WARNING AREA. HOWEVER THESE AMOUNTS COULD CHANGE DEPENDING ON THE AMOUNT OF SLEET OR FREEZING RAIN THAT MIXES IN. THE HIGHEST ACCUMULATIONS SHOULD BE ACROSS THE HIGHER TERRAIN... ESPECIALLY THE WORCESTER HILLS AND EAST SLOPES OF THE BERKSHIRES...EXTENDING INTO NORTHEAST MASSACHUSETTS AND HILLSBOROUGH COUNTY NEW HAMPSHIRE. IF MORE THAN 5 INCHES OF SNOW AT TEMPERATURES OF 32 DEGREES ACCUMULATES ON TREES AND WIRES...POWER OUTAGES COULD DEVELOP AFTER MIDNIGHT. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ACROSS VIRGINIA AND NORTH CAROLINA LATE THIS AFTERNOON. IT IS FORECAST TO INTENSIFY INTO A STRONG GALE AS IT PASSES JUST SOUTH OF NANTUCKET MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES. && $$ CTZ002>004-MAZ011-013>016-RIZ001-180530- /O.UPG.KBOX.WS.A.0001.100117T2300Z-100118T1500Z/ /O.NEW.KBOX.WW.Y.0003.100117T2300Z-100118T1500Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN HAMPDEN MA- WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...SPRINGFIELD...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...FOSTER...SMITHFIELD 420 PM EST SUN JAN 17 2010 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...SLEET...AND FREEZING RAIN...WHICH IS IN EFFECT UNTIL 10 AM EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. THE WINTER WEATHER ADVISORY AREA INCLUDES THE IMMEDIATE BOSTON METRO AREA AND EXTENDS SOUTHWESTWARD THROUGH NORFOLK COUNTY MASSACHUSETTS AND INTO NORTHERN RHODE ISLAND. IT ALSO INCLUDES THE SPRINGFIELD AND HARTFORD METRO AREAS AS WELL AS TOLLAND AND WINDHAM COUNTIES IN NORTHEAST CONNECTICUT. RAIN WILL OVERSPREAD THE ADVISORY AREA EARLY THIS EVENING. IT MAY MIX WITH OR CHANGE TO SLEET. AFTER COMING DOWN HARD FOR A FEW HOURS...IT MAY LIGHTEN UP AND MIX WITH FREEZING RAIN FOR A TIME IN SOME AREAS OF SOUTHWEST MASSACHUSETTS AND NORTHERN CONNECTICUT. THEN...ESPECIALLY BETWEEN 2 AM AND 8 AM...THE PRECIPITATION WILL BECOME MOSTLY SNOW AND IT MAY BE HEAVY FOR A FEW HOURS. THE SNOW WILL TAPER TO FLURRIES AND END BY MID MORNING IN CONNECTICUT AND WESTERN MASSACHUSETTS AND BY NOON IN RHODE ISLAND AND EASTERN MASSACHUSETTS. TOTAL STORM ACCUMULATIONS OF 2 TO 6 INCHES ARE FORECAST IN THE ADVISORY. THESE AMOUNTS WILL BE HIGHLY DEPENDENT ON THE AMOUNT OF RAIN... FREEZING RAIN...AND SLEET THAT OCCURS INSTEAD OF SNOW. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ACROSS VIRGINIA AND NORTH CAROLINA LATE THIS AFTERNOON. IT IS FORECAST TO INTENSIFY INTO A STRONG GALE AS IT PASSES JUST SOUTH OF NANTUCKET MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$ FIELD
5 follow-up statements
608 WWUS41 KBOX 180257 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 957 PM EST SUN JAN 17 2010 ...A PLOWABLE HEAVY WET SNOWFALL EXPECTED TONIGHT INTO MONDAY FOR PORTIONS OF SOUTHERN NEW ENGLAND... MAZ002>010-012-026-NHZ011-012-015-181100- /O.CON.KBOX.WS.W.0001.000000T0000Z-100118T1500Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER... CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...MILFORD... WORCESTER...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA... PETERBOROUGH...WEARE 957 PM EST SUN JAN 17 2010 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY. THE WINTER STORM WARNING AREA INCLUDES LOCATIONS ALONG THE MASS TURNPIKE FROM THE WESTERN SUBURBS OF BOSTON TO THE BERKSHIRES AND NORTHWARD INTO SOUTHERN NEW HAMPSHIRE. THE WARNING DOES NOT INCLUDE THE GREATER BOSTON OR SPRINGFIELD AREAS. RAIN...SLEET...AND SNOW WILL CONTINUE TO OVERSPREAD THE WARNING AREA TOWARD MIDNIGHT. THEN...BETWEEN MIDNIGHT AND 8 AM...A PERIOD OF HEAVY SNOW IS EXPECTED. THE SNOW WILL TAPER TO FLURRIES AND END BY LATE MONDAY MORNING. TOTAL STORM ACCUMULATIONS OF 5 TO 9 INCHES ARE FORECAST IN THE WARNING AREA. HOWEVER THESE AMOUNTS COULD CHANGE DEPENDING ON THE AMOUNT OF SLEET OR RAIN THAT MIXES IN. THE HIGHEST ACCUMULATIONS SHOULD BE ACROSS THE HIGHER TERRAIN...ESPECIALLY THE WORCESTER HILLS AND EAST SLOPES OF THE BERKSHIRES...EXTENDING INTO NORTHEAST MASSACHUSETTS AND HILLSBOROUGH COUNTY NEW HAMPSHIRE. IF MORE THAN 5 INCHES OF SNOW AT TEMPERATURES OF 32 DEGREES ACCUMULATES ON TREES AND WIRES...POWER OUTAGES COULD DEVELOP AFTER MIDNIGHT. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ACROSS VIRGINIA AND NORTH CAROLINA LATE THIS AFTERNOON. IT IS FORECAST TO INTENSIFY INTO A STRONG GALE AS IT PASSES JUST SOUTH OF NANTUCKET MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES. && $$ CTZ002>004-MAZ011-013>016-RIZ001-181100- /O.CON.KBOX.WW.Y.0003.000000T0000Z-100118T1500Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN HAMPDEN MA- WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...SPRINGFIELD...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...FOSTER...SMITHFIELD 957 PM EST SUN JAN 17 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY. THE WINTER WEATHER ADVISORY AREA INCLUDES THE IMMEDIATE BOSTON METRO AREA AND EXTENDS SOUTHWESTWARD THROUGH NORFOLK COUNTY MASSACHUSETTS AND INTO NORTHERN RHODE ISLAND. IT ALSO INCLUDES THE SPRINGFIELD AND HARTFORD METRO AREAS AS WELL AS TOLLAND AND WINDHAM COUNTIES IN NORTHEAST CONNECTICUT. RAIN OR RAIN SNOW MIX WILL CONTINUE OVERSPREAD THE ADVISORY AREA EARLY OVERNIGHT. BETWEEN MAINLY BETWEEN 2 AM AND 8 AM...THE PRECIPITATION WILL BECOME MOSTLY SNOW AND IT MAY BE HEAVY FOR A FEW HOURS. THE SNOW WILL TAPER TO FLURRIES AND END BY MID MORNING IN CONNECTICUT AND WESTERN MASSACHUSETTS AND BY NOON IN RHODE ISLAND AND EASTERN MASSACHUSETTS. TOTAL STORM ACCUMULATIONS OF 2 TO 6 INCHES ARE FORECAST IN THE ADVISORY. THESE AMOUNTS WILL BE HIGHLY DEPENDENT ON THE AMOUNT OF RAIN AND SLEET THAT OCCURS INSTEAD OF SNOW...AS WELL AS ELEVATION. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ACROSS VIRGINIA AND NORTH CAROLINA LATE THIS AFTERNOON. IT IS FORECAST TO INTENSIFY INTO A STRONG GALE AS IT PASSES JUST SOUTH OF NANTUCKET MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$
991 WWUS41 KBOX 180926 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 426 AM EST MON JAN 18 2010 ...A PLOWABLE HEAVY WET SNOWFALL FOR PORTIONS OF SOUTHERN NEW ENGLAND... MAZ002>010-012-026-NHZ011-012-015-181500- /O.CON.KBOX.WS.W.0001.000000T0000Z-100118T1500Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER... CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...MILFORD... WORCESTER...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA... PETERBOROUGH...WEARE 426 AM EST MON JAN 18 2010 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE WINTER STORM WARNING AREA INCLUDES LOCATIONS ALONG THE MASS TURNPIKE FROM THE WESTERN SUBURBS OF BOSTON TO THE BERKSHIRES AND NORTHWARD INTO SOUTHERN NEW HAMPSHIRE. THE WARNING DOES NOT INCLUDE THE GREATER BOSTON OR SPRINGFIELD AREAS. SNOW...LOCALLY HEAVY...WILL TAPER TO FLURRIES BY LATE MORNING. TOTAL STORM ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED IN THE WARNING AREA. THE HIGHEST ACCUMULATIONS WILL BE ACROSS THE HIGHER TERRAIN... ESPECIALLY THE WORCESTER HILLS EXTENDING INTO NORTHEAST MASSACHUSETTS AND HILLSBOROUGH COUNTY NEW HAMPSHIRE. SCATTERED POWER OUTAGES ARE EXPECTED DUE TO THE WEIGHT OF THE SNOW. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ABOUT 50 MILES SOUTH OF NANTUCKET THIS MORNING. IT IS FORECAST TO INTENSIFY AS IT HEADS OUT TO SEA TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES. && $$ CTZ002>004-MAZ011-013>016-RIZ001-181500- /O.CON.KBOX.WW.Y.0003.000000T0000Z-100118T1500Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN HAMPDEN MA- WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...SPRINGFIELD...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...FOSTER...SMITHFIELD 426 AM EST MON JAN 18 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE WINTER WEATHER ADVISORY AREA INCLUDES THE IMMEDIATE BOSTON METRO AREA AND EXTENDS SOUTHWESTWARD THROUGH NORFOLK COUNTY MASSACHUSETTS AND INTO NORTHERN RHODE ISLAND. IT ALSO INCLUDES THE SPRINGFIELD AND HARTFORD METRO AREAS AS WELL AS TOLLAND AND WINDHAM COUNTIES IN NORTHEAST CONNECTICUT. RAIN OR RAIN SNOW MIX WILL BECOME MOSTLY SNOW AND IT WILL BE HEAVY IN THE BOSTON AREA FOR A FEW HOURS EARLY THIS MORNING. THE SNOW WILL TAPER TO FLURRIES AND END BY MID MORNING IN CONNECTICUT AND WESTERN MASSACHUSETTS AND BY NOON IN RHODE ISLAND AND EASTERN MASSACHUSETTS. TOTAL STORM ACCUMULATIONS OF 1 TO 4 INCHES ARE FORECAST IN THE ADVISORY AREA. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ABOUT 50 MILES SOUTH OF NANTUCKET ISLAND EARLY THIS MORNING. IT IS FORECAST TO INTENSIFY AS IT HEADS OUT TO SEA TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$
123 WWUS41 KBOX 181119 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 619 AM EST MON JAN 18 2010 ...A PLOWABLE HEAVY WET SNOWFALL FOR PORTIONS OF SOUTHERN NEW ENGLAND... CTZ002>004-MAZ011-181230- /O.CAN.KBOX.WW.Y.0003.000000T0000Z-100118T1500Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN HAMPDEN MA- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...SPRINGFIELD 619 AM EST MON JAN 18 2010 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SCATTERED LIGHT SNOW SHOWERS AND PATCHY FREEZING DRIZZLE MAY LEAD TO SOME SLICK SPOTS THIS MORNING ACROSS NORTH CENTRAL AND NORTHEASTERN CONNECTICUT AND EASTERN HAMPDEN COUNTY IN MASSACHUSETTS. THIS INCLUDES THE GREATER HARTFORD AND SPRINGFIELD AREAS. OTHERWISE LITTLE IF ANY ADDITIONAL SNOW OR ICE ACCUMULATION IS EXPECTED. PRECIPITATION WILL END BY LATE MORNING ACROSS THE AREA. $$ MAZ002>010-012-026-NHZ011-012-015-181500- /O.CON.KBOX.WS.W.0001.000000T0000Z-100118T1500Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER... CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...MILFORD... WORCESTER...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA... PETERBOROUGH...WEARE 619 AM EST MON JAN 18 2010 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE WINTER STORM WARNING AREA INCLUDES LOCATIONS ALONG THE MASS TURNPIKE FROM THE WESTERN SUBURBS OF BOSTON TO THE BERKSHIRES AND NORTHWARD INTO SOUTHERN NEW HAMPSHIRE. THE WARNING DOES NOT INCLUDE THE GREATER BOSTON OR SPRINGFIELD AREAS. SNOW...LOCALLY HEAVY...WILL TAPER TO FLURRIES BY LATE MORNING. TOTAL STORM ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED IN THE WARNING AREA. THE HIGHEST ACCUMULATIONS WILL BE ACROSS THE HIGHER TERRAIN... ESPECIALLY THE WORCESTER HILLS EXTENDING INTO NORTHEAST MASSACHUSETTS AND HILLSBOROUGH COUNTY NEW HAMPSHIRE. SCATTERED POWER OUTAGES ARE EXPECTED DUE TO THE WEIGHT OF THE SNOW. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ABOUT 50 MILES SOUTH OF NANTUCKET THIS MORNING. IT IS FORECAST TO INTENSIFY AS IT HEADS OUT TO SEA TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES. && $$ MAZ013>016-RIZ001-181500- /O.CON.KBOX.WW.Y.0003.000000T0000Z-100118T1500Z/ WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...FOXBORO...NORWOOD...CAMBRIDGE... BOSTON...QUINCY...FOSTER...SMITHFIELD 619 AM EST MON JAN 18 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE WINTER WEATHER ADVISORY AREA INCLUDES THE IMMEDIATE BOSTON METRO AREA AND EXTENDS SOUTHWESTWARD THROUGH NORFOLK COUNTY MASSACHUSETTS AND INTO NORTHERN RHODE ISLAND. IT ALSO INCLUDES THE SPRINGFIELD AND HARTFORD METRO AREAS AS WELL AS TOLLAND AND WINDHAM COUNTIES IN NORTHEAST CONNECTICUT. RAIN OR RAIN SNOW MIX WILL BECOME MOSTLY SNOW AND IT WILL BE HEAVY IN THE BOSTON AREA FOR A FEW HOURS EARLY THIS MORNING. THE SNOW WILL TAPER TO FLURRIES AND END BY MID MORNING IN CONNECTICUT AND WESTERN MASSACHUSETTS AND BY NOON IN RHODE ISLAND AND EASTERN MASSACHUSETTS. TOTAL STORM ACCUMULATIONS OF 1 TO 4 INCHES ARE FORECAST IN THE ADVISORY AREA. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ABOUT 50 MILES SOUTH OF NANTUCKET ISLAND EARLY THIS MORNING. IT IS FORECAST TO INTENSIFY AS IT HEADS OUT TO SEA TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$
383 WWUS41 KBOX 181122 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 622 AM EST MON JAN 18 2010 ...A PLOWABLE HEAVY WET SNOWFALL FOR PORTIONS OF SOUTHERN NEW ENGLAND... MAZ002>010-012-026-NHZ011-012-015-181500- /O.CON.KBOX.WS.W.0001.000000T0000Z-100118T1500Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER... CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...MILFORD... WORCESTER...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA... PETERBOROUGH...WEARE 622 AM EST MON JAN 18 2010 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE WINTER STORM WARNING AREA INCLUDES LOCATIONS ALONG THE MASS TURNPIKE FROM THE WESTERN SUBURBS OF BOSTON TO THE BERKSHIRES AND NORTHWARD INTO SOUTHERN NEW HAMPSHIRE. THE WARNING DOES NOT INCLUDE THE GREATER BOSTON OR SPRINGFIELD AREAS. SNOW...LOCALLY HEAVY...WILL TAPER TO FLURRIES BY LATE MORNING. TOTAL STORM ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED IN THE WARNING AREA. THE HIGHEST ACCUMULATIONS WILL BE ACROSS THE HIGHER TERRAIN... ESPECIALLY THE WORCESTER HILLS EXTENDING INTO NORTHEAST MASSACHUSETTS AND HILLSBOROUGH COUNTY NEW HAMPSHIRE. SCATTERED POWER OUTAGES ARE EXPECTED DUE TO THE WEIGHT OF THE SNOW. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ABOUT 50 MILES SOUTH OF NANTUCKET THIS MORNING. IT IS FORECAST TO INTENSIFY AS IT HEADS OUT TO SEA TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES. && $$ MAZ013>016-RIZ001-181500- /O.CON.KBOX.WW.Y.0003.000000T0000Z-100118T1500Z/ WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...FOXBORO...NORWOOD...CAMBRIDGE... BOSTON...QUINCY...FOSTER...SMITHFIELD 622 AM EST MON JAN 18 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE WINTER WEATHER ADVISORY AREA INCLUDES THE IMMEDIATE BOSTON METRO AREA AND EXTENDS SOUTHWESTWARD THROUGH NORFOLK COUNTY MASSACHUSETTS AND INTO NORTHERN RHODE ISLAND. RAIN OR RAIN SNOW MIX WILL BECOME MOSTLY SNOW AND IT WILL BE HEAVY IN THE BOSTON AREA FOR A FEW HOURS THIS MORNING. THE SNOW WILL TAPER TO FLURRIES AND END BY NOON IN RHODE ISLAND AND EASTERN MASSACHUSETTS. TOTAL STORM ACCUMULATIONS OF 1 TO 4 INCHES ARE FORECAST IN THE ADVISORY AREA. THE CAUSE OF THE WINTRY WEATHER IS LOW PRESSURE LOCATED ABOUT 50 MILES SOUTH OF NANTUCKET ISLAND EARLY THIS MORNING. IT IS FORECAST TO INTENSIFY AS IT HEADS OUT TO SEA TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$
949 WWUS41 KBOX 181457 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 957 AM EST MON JAN 18 2010 MAZ005>007-012-181800- /O.CAN.KBOX.WS.W.0001.000000T0000Z-100118T1500Z/ /O.EXB.KBOX.WW.Y.0003.000000T0000Z-100118T1800Z/ CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- SOUTHERN WORCESTER MA- INCLUDING THE CITIES OF...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...MILFORD...WORCESTER 957 AM EST MON JAN 18 2010 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELLED. THIS WINTER WEATHER ADVISORY AREA INCLUDES NORTHEAST MASSACHUSETTS AND SOUTHERN WORCESTER COUNTY. PERIODS OF FREEZING RAIN AND SNOW WILL TAPER TO FLURRIES BEFORE ENDING BY EARLY THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATION WILL BE AN INCH OR LESS BUT GLAZE UP TO ONE TENTH OF AN INCH IS LIKELY WHICH WILL MAKE UNTREATED ROADS AND SIDEWALKS QUITE SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$ MAZ002>004-008>010-026-NHZ011-012-015-181600- /O.CAN.KBOX.WS.W.0001.000000T0000Z-100118T1500Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH- WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST... NORTHAMPTON...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA... PETERBOROUGH...WEARE 957 AM EST MON JAN 18 2010 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER STORM WARNING. $$ MAZ013>016-RIZ001-181800- /O.EXT.KBOX.WW.Y.0003.000000T0000Z-100118T1800Z/ WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...FOXBORO...NORWOOD...CAMBRIDGE... BOSTON...QUINCY...FOSTER...SMITHFIELD 957 AM EST MON JAN 18 2010 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 1 PM EST THIS AFTERNOON. THIS WINTER WEATHER ADVISORY AREA INCLUDES THE IMMEDIATE BOSTON METRO AREA AND EXTENDS SOUTHWESTWARD THROUGH NORFOLK COUNTY MASSACHUSETTS AND INTO NORTHERN RHODE ISLAND. PERIODS OF FREEZING RAIN AND SNOW WILL TAPER TO FLURRIES BEFORE ENDING BY EARLY THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATION WILL BE LESS THAN AN INCH BUT MINOR GLAZE IS LIKELY WHICH WILL MAKE UNTREATED ROADS AND SIDEWALKS SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$
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 Boston/Norton, MA wrote its last area forecast discussion before this winter storm warning went out at Jan 17, 3:37 PM EST, 43 minutes earlier.
Area forecast discussion, Jan 17, 3:37 PM EST, 43 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
337 PM EST SUN JAN 17 2010
.SYNOPSIS...
A COASTAL STORM WILL BRING HEAVY WET SNOW TO MUCH OF THE INTERIOR
TONIGHT INTO EARLY MONDAY...WITH RAIN ACROSS MUCH OF RHODE ISLAND
AND SOUTHEAST MASSACHUSETTS...WHICH MAY END AS A PERIOD OF SNOW.
MORE WINTRY WEATHER IS POSSIBLE MID WEEK AS WEAK LOW PRESSURE
TRAVERSES THE REGION.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
PREVIOUS DISCUSSION...
UPDATE...WILL CONTINUE THE WATCH ON THIS LATE MORNING PACKAGE. 12Z
GFS AND NAM HAVE BOTH COME IN BUT THE PICTURE IS STILL NOT CLEAR CUT
BY ANY STRETCH OF THE IMAGINATION. GFS IS BEEFIER WITH THE QPF
AMOUNTS OVERALL AND HAS A BENCHMARK LOW LOCATION WHILE THE NAM HAS
COME IN FARTHER NORTH...BETWEEN ACK AND THE 40/70 BENCHMARK.
SURFACE TEMPS ABOVE FREEZING THROUGHOUT MOST OF CWA ATTM. 1000-850 MB
THICKNESSES ARE COLD...THE 1304 LINE DOWN TO THE CT/RI BORDER TONIGHT
BUT THE 850-700 MB 1540 LINE IS WAY UP NEAR THE NH BORDER. INITIAL
THOUGHT BASED ON THAT WOULD BE A FAIR AMOUNT OF SLEET AND
RAIN...EVENTUALLY CHANGING OVER TO SNOW OVERNIGHT...BUT VERY STRONG
UPWARD MOTION ON GFS WOULD TEND TO COMPENSATE VIA DYNAMICAL COOLING
AND COULD RESULT IN A PERIOD OF HEAVY SNOW DOWN INTO NE CT AND
NORTHERN RI AND BOSTON. WILL NEED TO EVALUATE FURTHER.
IN THE NEAR TERM...RAIN IS MOVING RAPIDLY TOWARD CT AND EXPECT TO SEE
A COMBINATION OF RAIN AND PERHAPS SLEET THIS AFTERNOON THERE.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/...
PREVIOUS DISCUSSION...
A PLOWABLE SNOWFALL IS LIKELY AWAY FROM THE IMMEDIATE SOUTHEAST
COAST AND THE POSSIBILITY EXISTS FOR A SIGNIFICANT SNOWFALL
ACROSS MUCH OF THE INTERIOR HIGH TERRAIN AS WELL AS NORTHEASTERN
MASSACHUSETTS.
TONIGHT...THERE IS INCREASING CONFIDENCE OF A MORE SIGNIFICANT
WINTRY PRECIPITATION SCENARIO ACROSS THE AREA. CLIMATOLOGY FAVORS
THIS WITH A SURFACE LOW TRACK SOUTH OF NEW ENGLAND APPROACHING THE
BENCHMARK AS WELL AS H85 AND H7 LOW TRACKS SKIMMING THE SOUTH COAST.
HOWEVER GIVEN MARGINALLY COLD THERMAL PROFILES AND BOUNDARY LAYER
TEMPERATURES...DYNAMICAL COOLING AND OROGRAPHY...WILL PLAY A
SIGNIFICANT FACTOR REGARDING PRECIPITATION TYPE AND SNOWFALL
AMOUNTS.
WINTER STORM WATCHES WILL NEED TO BE UPGRADED TO WARNINGS OR
ADVISORIES TODAY.
00Z NAM BRINGS A PERIOD OF STRONG OMEGA AND HIGH RH WITHIN THE
DENDRITIC SNOW GROWTH REGION FOR A TIME AFTER 04Z TONIGHT. THE 00Z
GFS WAS A BIT MORE ERRATIC WITH THIS FEATURE. SO SOME UNCERTAINTY
EXISTS IN THE OVERALL DYNAMICAL COOLING SCENARIO...ALTHOUGH THE NAM
APPEARS MORE REALISTIC GIVEN THAT THE H7 LOW WILL BECOME CLOSED WITH
TIME AND INCREASING UPPER LEVEL DIVERGENCE ASSOCIATED WITH A DUAL
UPPER LEVEL JET STRUCTURE WHICH WILL ALLOW FOR INCREASING ASCENT
WITHIN THE COLUMN.
POPULATED WITH 00Z NAM THICKNESSES...SREF POPS WITH MINOR
ALTERATIONS TO SPEED UP TIMING...AND USED A 1:1 BLEND OF THE 00Z
NAM AND HPC QPF AMOUNTS WHICH SHOULD GENERALLY RANGE FROM 0.50 TO
1.00 INCH.
EASTERLY BOUNDARY LAYER FLOW WILL CAUSE SURFACE TEMPERATURES TO
BE WARM ENOUGH TO SUPPORT A MOSTLY RAIN EVENT ACROSS EXTREME
SOUTHEASTERN MASSACHUSETTS WITH A BRIEF CHANGE TO SNOW POSSIBLE MON
MORNING. ELSEWHERE EXPECT A MIX OF RAIN AND WET SNOW TO CHANGE TO ALL
SNOW AFTER MIDNIGHT AS THE VERTICAL COLUMN GRADUALLY COOLS. NEARLY
ISOTHERMAL VERTICAL PROFILES FAVOR A PERIOD OF MODERATE TO HEAVY SNOW
OVERNIGHT.
LOCATIONS MOST FAVORABLE FOR HEAVY SNOWFALL ACCUMULATION APPEAR
TO BE ACROSS THE HIGHER TERRAIN OF MASSACHUSETTS AND SOUTHERN NEW
HAMPSHIRE. THE WATCH HAS ALSO BEEN EXPANDED TO THE SOUTH TO ACCOUNT
FOR THE LATEST TRENDS. CONFIDENCE IS GROWING THAT THE BOSTON AREA
WILL ALSO RECEIVE A SIGNIFICANT SNOWFALL...PRIMARILY BETWEEN 06Z AND
15Z MONDAY WITH SOME BRIEF BANDING POSSIBLE AS THE LOW INTENSIFIES
OFFSHORE.
PRECIPITATION IS EXPECTED TO TAPER OFF BY MONDAY AFTERNOON MOST
AREAS...BUT LOW LEVEL MOISTURE AND CLOUD COVER IS EXPECTED TO LINGER.
WIND: WINDS COULD GUST UP TO 40 TO 45 KT BEHIND THE INTENSIFYING LOW
ACROSS THE CAPE AND ISLANDS MONDAY AND A WIND ADVISORY WILL LIKELY
BE NEEDED.
&&
.LONG TERM /MONDAY NIGHT THROUGH SUNDAY/...
MONDAY NIGHT...LOW PRES WILL PUSH E OF THE REGION...BUT UPPER LEVEL
LOW/LONG WAVE TROUGH WILL REMAIN ACROSS ONTARIO. WILL SEE BRIEF
BREAK IN ACTION...THOUGH WIDELY SCT SNOW SHOWERS MAY LINGER ACROSS S
NH AND ACROSS THE E SLOPES OF THE BERKSHIRES.
TUESDAY-WEDNESDAY...UPPER LEVEL LOW AND TROUGH WILL SLOWLY WORK SE
ACROSS NY/NEW ENGLAND DURING THIS PERIOD. WEAK SURFACE REFLECTION...
DEPICTED AS SEVERAL WEAK LOWS ON MOST MODELS...WILL MEANDER ACROSS
THE REGION. THIS WILL KEEP GENERAL CLOUDINESS WITH SCT RAIN AND/OR
SNOW SHOWERS. MAY SEE SOME LIGHT SNOW ACCUMULATIONS...GENERALLY LESS
THAN AN INCH. TEMPS WILL RUN CLOSE TO SEASONAL NORMALS FOR DAYTIME
HIGHS...AND MAY EVEN RUN ABOUT 5 DEGREES ABOVE THE NORM FOR
OVERNIGHT LOWS.
LOW PRESSURE MOVES AWAY FROM SOUTHERN NEW ENGLAND WEDNESDAY NIGHT
WITH ANY SNOW OR SNOW SHOWERS ENDING DURING THE EVENING HOURS.
BLUSTERY AND COLDER CONDITIONS WILL FOLLOW.
THEREAFTER...HIGH PRESSURE LOOKS TO DOMINATE THURSDAY THROUGH SUNDAY
WITH NEAR NORMAL TEMPERATURES...PERHAPS EVEN SLIGHTLY ABOVE NORMAL.
&&
.AVIATION /21Z SUNDAY THROUGH FRIDAY/...
THROUGH THIS EVENING...HIGH CONFIDENCE OF MVFR CIGS AND VFR VSBYS
THROUGH 21Z. EXPECT VSBYS TO LOWER TO MVFR FROM SW-NE AS PRECIP
MOVES IN. SHOULD SEE PRECIP START AS RAIN ACROSS MOST AREAS...BUT
WILL START TO MIX WITH SNOW AND/OR SLEET AFTER 00Z.
TONIGHT...HIGH CONFIDENCE OF MVFR CIGS/VSBYS. CIGS LOWERING TO
IFR-LIFR AS PRECIP MIXES WITH AND/OR CHANGES TO SNOW ACROSS MOST
AREAS EXCEPT CAPE COD AND THE ISLANDS. EXPECT MIXED RAIN-SNOW LINE
TO REACH KBOS-KPVD BY AROUND 03Z-04Z. N-NE WIND GUSTING TO 30-35 KT
AROUND 08Z ACROSS CAPE COD AND THE ISLANDS. MAY SEE POCKETS OF HEAVY
SNOW BETWEEN 06Z AND 12Z.
MONDAY...SHOULD SEE IFR CIGS IMPROVING TO MVFR ACROSS MOST AREAS...
EXCEPT REMAINING IFR ACROSS CAPE COD AND THE ISLANDS THROUGH AT
LEAST 18Z. MVFR-IFR VSBYS IMPROVING TO VFR FROM W-E AS PRECIP ENDS.
CIGS MAY IMPROVE TO VFR ACROSS THE CT VALLEY AFTER 19Z. N-NE WIND
GUSTING TO AROUND 35 KT ALONG E COAST...MAY SEE GUSTS TO AROUND 40
KT ACROSS KACK MID-LATE MORNING.
OUTLOOK...MONDAY NIGHT THROUGH FRIDAY...
MONDAY NIGHT...MEDIUM CONFIDENCE OF VFR CIGS. MAY SEE MVFR VSBYS IN
SCT SNOW SHOWERS AND PATCHY FOG.
TUESDAY AND WEDNESDAY...LOW TO MEDIUM CONFIDENCE ON MVFR CONDITIONS
IN MIXED RAIN/SNOW SHOWERS AND PATCHY FOG. IMPROVEMENT TO VFR WED
EVENING.
THU...VFR.
&&
.MARINE...
TONIGHT...N GALES ALL WATERS. NE WINDS GUSTING TO 35 KT WITH
BUILDING SEAS TO 8 TO 14 FEET. POPULATED USING THE SWANNAM.
SUNDAY...N GALES ALL WATERS SUBSIDING TO SMALL CRAFT CONDITIONS
DURING THE AFTERNOON. SEAS 10 TO 16 FT. COULD SEE A BRIEF PERIOD OF
LOW END STORM FORCE GUSTS NEAR THE CAPE AND NANTUCKET ISLAND. CAPPED
GUSTS AT 45 KT ATTM.
OUTLOOK...MONDAY NIGHT THROUGH FRIDAY...
MONDAY NIGHT...SMALL CRAFT CRITERIA WIND GUSTS TO 30 KT EARLY...
EXPECTED TO DIMINISH OVERNIGHT. LOW CONFIDENCE OF BRIEF GALE FORCE
WIND GUSTS S AND E OF NANTUCKET EARLY. SMALL CRAFT SEAS TO CONTINUE.
TUESDAY-TUESDAY NIGHT...MODERATE CONFIDENCE OF WINDS GENERALLY 15 KT
OR LESS. SEAS SLOWLY SUBSIDE...BUT REMAIN AOA 5 FT.
WEDNESDAY...WINDS BECOME NW AND INCREASE. LOW CONFIDENCE OF WIND
GUSTS INCREASING TO 25-30 KT DURING THE AFTERNOON. SEAS REMAIN AOA 5
FT MAINLY ON THE OUTER WATERS.
WED NIGHT INTO THURSDAY MORNING...NORTHERN SCA WINDS
LIKELY...POSSIBLE BRIEF LOW END GALE WED NIGHT.
THURSDAY AFTERNOON AND FRIDAY...SUBSIDING WINDS AND SEAS AS HIGH
PRESSURE MOVES IN.
&&
.TIDES/COASTAL FLOODING...
COASTAL FLOODING...
THERE IS A MODERATE RISK OF MINOR COASTAL FLOODING DURING THE MON
EARLY AFTERNOON HIGH TIDE. GFS SURGE GUIDANCE OFFERS AROUND A 1 FT
SURGE MON AFTN. GFS TYPICALLY HAS A LOW BIAS SO A 1.5 FT SURGE LOOKS
LIKE A GOOD BET. THIS WOULD YIELD STORM TIDE/TOTAL WATER LEVELS AT
MOST LOCATIONS 1-2 FT BELOW FLOOD STAGE. HOWEVER...AN EASTERLY GALE
MON WILL LIKELY RESULT IN 10-15 FT SEAS RIDING ASHORE AT THE TIME OF
HIGH TIDE. THIS WAVE ACTION ON TOP OF A 1.5 FT STORM SURGE MAY BE
SUFFICIENT TO RESULT IN MINOR COASTAL FLOODING. MODERATE OR MAJOR
COASTAL FLOODING IS NOT EXPECTED GIVEN THE SHORT DURATION OF THE
EVENT.
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...WINTER WEATHER ADVISORY UNTIL 10 AM EST MONDAY FOR CTZ002>004.
MA...WINTER STORM WARNING UNTIL 10 AM EST MONDAY FOR MAZ002>010-012-
026.
WINTER WEATHER ADVISORY UNTIL 10 AM EST MONDAY FOR MAZ011-
013>015.
WIND ADVISORY FROM 7 AM TO 3 PM EST MONDAY FOR MAZ022>024.
NH...WINTER STORM WARNING UNTIL 10 AM EST MONDAY FOR NHZ011-012-015.
RI...WINTER WEATHER ADVISORY UNTIL 10 AM EST MONDAY FOR RIZ001.
MARINE...GALE WARNING FROM MIDNIGHT TONIGHT TO 5 PM EST MONDAY FOR
ANZ231>235-237-250-251-254>256.
GALE WARNING FROM 2 AM TO 2 PM EST MONDAY FOR ANZ230-236.
&&
SYNOPSIS...NOCERA/STRAUSS
NEAR TERM...GAF
SHORT TERM...GAF
LONG TERM...EVT/EKSTER
AVIATION...EKSTER/EVT/GAF
MARINE...EKSTER/EVT/GAFHazardous weather outlook, Jan 17, 4:18 PM EST, 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 418 PM EST SUN JAN 17 2010 MAZ017-018-020-021-RIZ002>008-182130- NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI- EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 418 PM EST SUN JAN 17 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND. .DAY ONE...TONIGHT. PERIODS OF HEAVY RAIN LATE TONIGHT MAY RESULT IN POOR DRAINAGE STREET FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. RAIN MAY CHANGE OVER TO A PERIOD OF SNOW MONDAY MORNING ACROSS NORTHERN RHODE ISLAND INTO INTERIOR SOUTHEASTERN MASSACHUSETTS. THIS MAY RESULT IN SLIPPERY TRAVEL DURING THE EARLY MORNING COMMUTE. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MAZ023-182130- DUKES MA- 418 PM EST SUN JAN 17 2010 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 3 PM EST MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS. .DAY ONE...TONIGHT. PERIODS OF HEAVY RAIN LATE TONIGHT MAY RESULT IN POOR DRAINAGE STREET FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WIND ADVISORY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ231>235-237-250-251-254>256-182130- CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY- RHODE ISLAND SOUND-BLOCK ISLAND SOUND- COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY- COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM- COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND NANTUCKET- COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND- 418 PM EST SUN JAN 17 2010 ...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 5 PM EST MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. THERE IS A LOW PROBABILITY OF MINIMAL GALE FORCE WIND GUSTS ON THE OUTER WATERS WEDNESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ230-236-182130- BOSTON HARBOR-NARRAGANSETT BAY- 418 PM EST SUN JAN 17 2010 ...GALE WARNING IN EFFECT FROM 2 AM TO 2 PM EST MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MAZ019-182130- EASTERN PLYMOUTH MA- 418 PM EST SUN JAN 17 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS. .DAY ONE...TONIGHT. PERIODS OF HEAVY RAIN LATE TONIGHT MAY RESULT IN POOR DRAINAGE STREET FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. RAIN MAY CHANGE OVER TO A PERIOD OF SNOW MONDAY MORNING. THIS MAY RESULT IN SLIPPERY TRAVEL DURING THE EARLY MORNING COMMUTE. MINOR COASTAL FLOODING IS POSSIBLE DURING THE MONDAY AFTERNOON HIGH TIDE CYCLE WITH A NEARLY 2 FOOT STORM SURGE...ALONG WITH 10 TO 15 FOOT SEAS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MAZ022-024-182130- BARNSTABLE MA-NANTUCKET MA- 418 PM EST SUN JAN 17 2010 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 3 PM EST MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS. .DAY ONE...TONIGHT. PERIODS OF HEAVY RAIN LATE TONIGHT MAY RESULT IN POOR DRAINAGE STREET FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WIND ADVISORY. MINOR COASTAL FLOODING IS POSSIBLE DURING THE MONDAY AFTERNOON HIGH TIDE CYCLE WITH A NEARLY 2 FOOT STORM SURGE...ALONG WITH 10 TO 15 FOOT SEAS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MAZ002>010-012-026-NHZ011-012-015-182130- WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 418 PM EST SUN JAN 17 2010 ...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WINTER STORM WARNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WINTER STORM WARNING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. CTZ002>004-MAZ011-013>016-RIZ001-182130- HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN HAMPDEN MA- WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI- 418 PM EST SUN JAN 17 2010 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM EST MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...EASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS AND NORTHERN RHODE ISLAND. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WINTER WEATHER ADVISORY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WINTER WEATHER ADVISORY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 4:30 AM EST | Gale Warning | BOX | 39 hr | |
| Jan 17, 3:45 PM EST | Wind Advisory | BOX | Barnstable, Dukes, Nantucket | 11 hr |
| Jan 17, 4:20 PM EST | Winter Weather Advisory | BOX | Essex, Hampden, Middlesex, Norfolk, Suffolk, Worcester | 21 hr |
Nearby
Winter Storm Warnings in Massachusetts, 2010Winter Storm Warnings in New Hampshire, 2010Every winter storm warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.