Alert archive / Massachusetts / Winter Storm Warnings in 2020

Winter Storm Warning 3, NWS Boston/Norton, MA

April 17, 20204 counties in Massachusetts

NWS Boston/Norton, MA issued this winter storm warning at Apr 17, 2020, 2:36 PM EDT for 4 counties in Massachusetts. It took effect at Apr 17, 2020, 9:00 PM EDT. It was in force for 13 hr. 60 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
Apr 17, 2020, 2:36 PM EDT (18:36 UTC)
In effect from
Apr 17, 2020, 9:00 PM EDT
Expired
Apr 18, 2020, 9:53 AM EDT
In force
13 hr
Issued by
NWS Boston/Norton, MA

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 117 km from the middle of the area, began a volume at 18:35 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

TimeReportWhereRemark
Apr 18, 3:51 AM EDTSNOW 1.4Grafton, MA
Apr 18, 4:00 AM EDTSNOW 1.5Westborough, MA
Apr 18, 4:00 AM EDTSNOW 2.5Grafton, MA
Apr 18, 4:04 AM EDTSNOW 1.2Westfield, MA
Apr 18, 4:35 AM EDTSNOW 0Hopedale, MATREE DOWN ON WIRES ON PLAIN ST.
Apr 18, 5:00 AM EDTSNOW 3.2Grafton, MA
Apr 18, 5:03 AM EDTSNOW 1Ware, MA
Apr 18, 5:10 AM EDTSNOW 0Milford, MATREE DOWN ON WIRES ON EAST MAIN ST AT ZAIN CIRCLE.
Apr 18, 5:12 AM EDTSNOW 3.1Grafton, MA
Apr 18, 5:24 AM EDTSNOW 0Mendon, MATREE DOWN ON MAIN STREET BLOCKING HALF THE ROAD.
Apr 18, 5:30 AM EDTSNOW 0Sturbridge, MALARGE LIMB ON POWER LINES ON CEDAR ST.
Apr 18, 5:34 AM EDTSNOW 2.5Westborough, MA
Apr 18, 5:38 AM EDTSNOW 0Oxford, MATREE DOWN ON A HOUSE.
Apr 18, 5:54 AM EDTSNOW 0Milford, MATREE DOWN BLOCKING SIDEWALK ON MAIN STREET.
Apr 18, 5:58 AM EDTSNOW 1.2North Chester, MA
Apr 18, 6:09 AM EDTSNOW 2Sterling, MA
Apr 18, 6:19 AM EDTSNOW 3.2Worcester, MA
Apr 18, 6:20 AM EDTSNOW 4Mendon, MA
Apr 18, 6:22 AM EDTSNOW 0Monson, MATREE DOWN ON STAFFORD ROAD (RT 32) NEAR THE CT STATE LINE.
Apr 18, 6:30 AM EDTSNOW 0Shrewsbury, MATREE DOWN BLOCKING MAIN STREET.
Apr 18, 6:45 AM EDTSNOW 1.9North Chester, MA
Apr 18, 6:46 AM EDTSNOW 0Charlton, MALARGE TREE DOWN ON WIRES ON FLINT ROAD.
Apr 18, 6:47 AM EDTSNOW 3.1Westborough, MA
Apr 18, 6:49 AM EDTSNOW 3.5Ashfield, MA
Apr 18, 6:50 AM EDTSNOW 2Northfield, MA
Apr 18, 6:57 AM EDTSNOW 1.5Longmeadow, MA
Apr 18, 6:59 AM EDTSNOW 1Westfield, MA
Apr 18, 7:01 AM EDTSNOW 3Holden, MA
Apr 18, 7:02 AM EDTSNOW 0Southwick, MATREE DOWN ON WIRES IN SOUTHWICK
Apr 18, 7:04 AM EDTSNOW 1Lunenburg, MA
Apr 18, 7:16 AM EDTSNOW 4.3Grafton, MA
Apr 18, 7:17 AM EDTSNOW 2.5Hubbardston, MA
Apr 18, 7:25 AM EDTSNOW 1Clinton, MA
Apr 18, 7:51 AM EDTSNOW 0Hardwick, MATREE DOWN ACROSS GREENWICH ROAD AT SESSIONS ROAD.
Apr 18, 7:52 AM EDTSNOW 4.2Auburn, MA
Apr 18, 7:53 AM EDTSNOW 1.3Heath, MA
Apr 18, 7:56 AM EDTSNOW 4.1Worcester, MA
Apr 18, 8:04 AM EDTSNOW 0Sturbridge, MAWIRES DOWN ON FISKE HILL ROAD AT MAIN STREET.
Apr 18, 8:05 AM EDTSNOW 2.8North Chester, MA
Apr 18, 8:08 AM EDTSNOW 4.1Worcester Ap, MA
Apr 18, 8:12 AM EDTSNOW 4.5Grafton, MA
Apr 18, 8:18 AM EDTSNOW 6Goshen, MA
Apr 18, 8:20 AM EDTSNOW 4.3Monson, MA
Apr 18, 8:23 AM EDTSNOW 3.3Westborough, MA
Apr 18, 8:29 AM EDTSNOW 3.3Sterling, MA
Apr 18, 8:34 AM EDTSNOW 0Uxbridge, MALARGE BRANCH DOWN ON WIRES ON HIGH STREET.
Apr 18, 8:35 AM EDTSNOW 2Clinton, MA
Apr 18, 8:49 AM EDTSNOW 3Southwick, MA
Apr 18, 9:01 AM EDTSNOW 1.5West Warren, MA
Apr 18, 9:05 AM EDTSNOW 0Dudley, MATREE AND WIRES DOWN IN THE ROAD ON CAUSEWAY SHORES ROAD.
Apr 18, 9:06 AM EDTSNOW 3.8Milford, MA
Apr 18, 9:08 AM EDTSNOW 2.6Lunenburg, MA
Apr 18, 9:10 AM EDTSNOW 1.6Westfield, MA
Apr 18, 9:11 AM EDTSNOW 5.3Grafton, MA
Apr 18, 9:12 AM EDTSNOW 2.5Fitchburg Coop, MA
Apr 18, 9:20 AM EDTSNOW 4.5Sturbridge, MA
Apr 18, 9:22 AM EDTSNOW 3.7Westborough, MA
Apr 18, 9:23 AM EDTSNOW 0Brimfield, MATREE DOWN ACROSS ECHO ROAD.
Apr 18, 9:29 AM EDTSNOW 3.7Westborough, MA
Apr 18, 9:29 AM EDTSNOW 4Worcester, MA

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, 6.6 hours before the alert went out and 119 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.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2020-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2020-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1015 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

915 
WWUS41 KBOX 171836
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
236 PM EDT Fri Apr 17 2020

MAZ002-008-009-180245-
/O.UPG.KBOX.WW.Y.0009.200417T2300Z-200418T1600Z/
/O.NEW.KBOX.WS.W.0003.200418T0100Z-200418T1600Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
236 PM EDT Fri Apr 17 2020

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON
EDT SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 5 to 7 
  inches.

* WHERE...Western Franklin MA, Western Hampshire MA and Western 
  Hampden MA Counties.

* WHEN...From 9 PM this evening to noon EDT Saturday.

* IMPACTS...Scattered power outages may occur from the weight of
  the heavy wet snow on trees and power lines. Hazardous travel is
  expected. 

* ADDITIONAL DETAILS...A period of heavy snow with snowfall rates
  of 1-2 inches per hour are possible for a few hours after 
  midnight.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

MAZ004-012-180245-
/O.UPG.KBOX.WW.Y.0009.200418T0300Z-200418T1600Z/
/O.NEW.KBOX.WS.W.0003.200418T0100Z-200418T1600Z/
Northern Worcester MA-Southern Worcester MA-
Including the cities of Barre, Fitchburg, Milford, and Worcester
236 PM EDT Fri Apr 17 2020

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON
EDT SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 7 
  inches.

* WHERE...Northern Worcester MA and Southern Worcester MA 
  Counties.

* WHEN...From 9 PM this evening to noon EDT Saturday.

* IMPACTS...Scattered power outages may occur from the weight of
  the heavy wet snow on trees and power lines. Hazardous travel 
  is expected. 

* ADDITIONAL DETAILS...A period of heavy snow with snowfall rates
  of 1-2 inches per hour are possible for a few hours after 
  midnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

MAZ017>019-RIZ002-180245-
/O.EXB.KBOX.WW.Y.0009.200418T0500Z-200418T1400Z/
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southeast Providence RI-
Including the cities of Taunton, Brockton, Plymouth, 
and Providence
236 PM EDT Fri Apr 17 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 AM EDT
SATURDAY...

* WHAT...Wet snow expected. Total snow accumulations of 1 to 4
  inches, heaviest north of Providence, Taunton and Plymouth. 

* WHERE...In Massachusetts, Northern Bristol MA, Western 
  Plymouth MA and Eastern Plymouth MA Counties. In Rhode Island, 
  Southeast Providence RI County.

* WHEN...From 1 AM to 10 AM EDT Saturday.

* IMPACTS...Roads may become snow covered as rain changes to a 
  period of heavy snow. Plan on slippery road conditions.

* ADDITIONAL DETAILS...A period of heavy snow with snowfall rates
  around 1 inch per hour are possible for a few hours between 3 
  and 6 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ002>004-RIZ001-180245-
/O.EXT.KBOX.WW.Y.0009.200418T0300Z-200418T1400Z/
Hartford CT-Tolland CT-Windham CT-Northwest Providence RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Foster, and Smithfield
236 PM EDT Fri Apr 17 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING
TO 10 AM EDT SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 5 inches,
  heaviest amounts over higher elevations.

* WHERE...In Connecticut, Tolland CT, Hartford CT and Windham CT 
  Counties. In Rhode Island, Northwest Providence RI County.

* WHEN...From 11 PM this evening to 10 AM EDT Saturday.

* IMPACTS...Roads will become snow covered as rain changes to a
  period of heavy snow, mainly over higher elevations. Plan on
  slippery road conditions. There is also a low risk for isolated
  power outages where snow accumulations exceed 4 inches. 

* ADDITIONAL DETAILS...A period of heavy snow with snowfall rates
  around 1 inch per hour are possible for a few hours after
  midnight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ003-005>007-010-011-013>016-026-180245-
/O.EXT.KBOX.WW.Y.0009.200418T0300Z-200418T1400Z/
Eastern Franklin MA-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Eastern Hampshire MA-Eastern Hampden MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Framingham, Lowell, 
Lawrence, Gloucester, Amherst, Northampton, Springfield, 
Foxborough, Norwood, Cambridge, Boston, Quincy, and Ayer
236 PM EDT Fri Apr 17 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING
TO 10 AM EDT SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 5 
  inches.

* WHERE...Portions of eastern, northeastern and western 
  Massachusetts.

* WHEN...From 11 PM this evening to 10 AM EDT Saturday.

* IMPACTS...Roads will become snow covered as rain changes to a
  period of heavy snow. Plan on slippery road conditions. There 
  is also a low risk for isolated power outages where snow 
  accumulations exceed 4 inches. 

* ADDITIONAL DETAILS...A period of heavy snow with snowfall rates
  around 1 inch per hour are possible for a few hours after
  midnight, spreading west to east. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$
3 follow-up statements
540 
WWUS41 KBOX 180219
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
1019 PM EDT Fri Apr 17 2020

MAZ002-004-008-009-012-181030-
/O.CON.KBOX.WS.W.0003.000000T0000Z-200418T1600Z/
Western Franklin MA-Northern Worcester MA-Western Hampshire MA-
Western Hampden MA-Southern Worcester MA-
Including the cities of Charlemont, Barre, Fitchburg, 
Chesterfield, Blandford, Milford, and Worcester
1019 PM EDT Fri Apr 17 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EDT
SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 7 
  inches.

* WHERE...Worcester, Western Franklin, Western Hampshire and
  Western Hampden Counties.

* WHEN...Until noon EDT Saturday.

* IMPACTS...Scattered power outages may occur from the weight of 
  the heavy wet snow on trees and power lines. Hazardous travel 
  is expected.

* ADDITIONAL DETAILS...A period of heavy snow with snowfall 
  rates of 1-2 inches per hour are possible for a few hours 
  after midnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

CTZ002>004-RIZ001-181030-
/O.CON.KBOX.WW.Y.0009.200418T0300Z-200418T1400Z/
Hartford CT-Tolland CT-Windham CT-Northwest Providence RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Foster, and Smithfield
1019 PM EDT Fri Apr 17 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of up to 5 
  inches, heaviest amounts over higher elevations.

* WHERE...In Connecticut, Tolland, Hartford and Windham Counties.
  In Rhode Island, Northwest Providence RI County.

* WHEN...Until 10 AM EDT Saturday.

* IMPACTS...Roads will become snow covered as rain changes to a 
  period of heavy snow, mainly over higher elevations. Plan on 
  slippery road conditions. There is also a low risk for 
  isolated power outages where snow accumulations exceed 4 
  inches.

* ADDITIONAL DETAILS...A period of heavy snow with snowfall 
  rates around 1 inch per hour are possible for a few hours 
  after midnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ003-005>007-010-011-013>016-026-181030-
/O.CON.KBOX.WW.Y.0009.200418T0300Z-200418T1400Z/
Eastern Franklin MA-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Eastern Hampshire MA-Eastern Hampden MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Framingham, Lowell, 
Lawrence, Gloucester, Amherst, Northampton, Springfield, 
Foxborough, Norwood, Cambridge, Boston, Quincy, and Ayer
1019 PM EDT Fri Apr 17 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Portions of eastern, northeastern and western 
  Massachusetts.

* WHEN...Until 10 AM EDT Saturday.

* IMPACTS...Roads will become snow covered as rain changes to a 
  period of heavy snow. Plan on slippery road conditions. There 
  is also a low risk for isolated power outages where snow 
  accumulations exceed 4 inches.

* ADDITIONAL DETAILS...A period of heavy snow with snowfall 
  rates around 1 inch per hour are possible for a few hours 
  after midnight, spreading west to east.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ017>019-RIZ002-181030-
/O.CON.KBOX.WW.Y.0009.200418T0500Z-200418T1400Z/
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southeast Providence RI-
Including the cities of Taunton, Brockton, Plymouth, 
and Providence
1019 PM EDT Fri Apr 17 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 4 
  inches, heaviest north of Providence, Taunton and Plymouth.

* WHERE...In Massachusetts, Northern Bristol, and Western and 
  Eastern Plymouth Counties. In Rhode Island, Southeast Providence
  RI County.

* WHEN...Until 10 AM EDT Saturday.

* IMPACTS...Roads may become snow covered as rain changes to a 
  period of heavy snow. Plan on slippery road conditions.

* ADDITIONAL DETAILS...A period of heavy snow with snowfall 
  rates around 1 inch per hour are possible for a few hours 
  between 3 and 6 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$
129 
WWUS41 KBOX 180834
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
434 AM EDT Sat Apr 18 2020

MAZ002-008-009-181600-
/O.CAN.KBOX.WS.W.0003.000000T0000Z-200418T1600Z/
/O.EXB.KBOX.WW.Y.0009.000000T0000Z-200418T1600Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
434 AM EDT Sat Apr 18 2020

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON EDT TODAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.

* WHERE...Western Franklin, Western Hampshire and Western Hampden 
  Counties.

* WHEN...Until noon EDT today.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ004-012-181600-
/O.CON.KBOX.WS.W.0003.000000T0000Z-200418T1600Z/
Northern Worcester MA-Southern Worcester MA-
Including the cities of Barre, Fitchburg, Milford, and Worcester
434 AM EDT Sat Apr 18 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY...

* WHAT...Heavy snow. Additional snow accumulations of 1 to 3 
  inches.

* WHERE...Worcester County.

* WHEN...Until noon EDT today.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

CTZ002>004-RIZ001-181400-
/O.CON.KBOX.WW.Y.0009.000000T0000Z-200418T1400Z/
Hartford CT-Tolland CT-Windham CT-Northwest Providence RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Foster, and Smithfield
434 AM EDT Sat Apr 18 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Wet snow. Additional snow accumulations of up to two 
  inches.

* WHERE...In Connecticut, Tolland, Hartford and Windham Counties.
  In Rhode Island, Northwest Providence County.

* WHEN...Until 10 AM EDT this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ003-005>007-010-011-013>016-026-181400-
/O.CON.KBOX.WW.Y.0009.000000T0000Z-200418T1400Z/
Eastern Franklin MA-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Eastern Hampshire MA-Eastern Hampden MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Framingham, Lowell, 
Lawrence, Gloucester, Amherst, Northampton, Springfield, 
Foxborough, Norwood, Cambridge, Boston, Quincy, and Ayer
434 AM EDT Sat Apr 18 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.

* WHERE...Portions of eastern, northeastern and western 
  Massachusetts.

* WHEN...Until 10 AM EDT this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ017>019-RIZ002-181400-
/O.CON.KBOX.WW.Y.0009.000000T0000Z-200418T1400Z/
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southeast Providence RI-
Including the cities of Taunton, Brockton, Plymouth, 
and Providence
434 AM EDT Sat Apr 18 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Wet snow. Additional snow accumulations of 1 to 3 
  inches.

* WHERE...In Massachusetts, Eastern and Western Plymouth and
  Northern Bristol Counties. In Rhode Island, Southeast Providence 
  County.

* WHEN...Until 10 AM EDT this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$
243 
WWUS41 KBOX 181353
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
953 AM EDT Sat Apr 18 2020

MAZ004-012-181500-
/O.CAN.KBOX.WS.W.0003.000000T0000Z-200418T1600Z/
Northern Worcester MA-Southern Worcester MA-
Including the cities of Barre, Fitchburg, Milford, and Worcester
953 AM EDT Sat Apr 18 2020

...WINTER STORM WARNING IS CANCELLED...

Heavy snow has ended.

$$

CTZ002>004-MAZ003-005>007-010-011-013>019-026-RIZ001-002-181500-
/O.CAN.KBOX.WW.Y.0009.000000T0000Z-200418T1400Z/
Hartford CT-Tolland CT-Windham CT-Eastern Franklin MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampshire MA-Eastern Hampden MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Northern Middlesex MA-Northwest Providence RI-
Southeast Providence RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Greenfield, Orange, Framingham, Lowell, 
Lawrence, Gloucester, Amherst, Northampton, Springfield, 
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, 
Brockton, Plymouth, Ayer, Foster, Smithfield, and Providence
953 AM EDT Sat Apr 18 2020

...WINTER WEATHER ADVISORY IS CANCELLED...

Heavy snow has ended.

$$

MAZ002-008-009-181500-
/O.CAN.KBOX.WW.Y.0009.000000T0000Z-200418T1600Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
953 AM EDT Sat Apr 18 2020

...WINTER WEATHER ADVISORY IS CANCELLED...

Heavy snow has ended.

$$

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 17, 3:51 AM EDTWinter Weather AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more30 hr
Apr 17, 4:05 PM EDTSmall Craft AdvisoryBOX58 hr

Nearby

Winter Storm Warnings in Massachusetts, 2020Every winter storm warning in 2020

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.