Alert archive / Rhode Island / Winter Storm Warnings in 2012
Winter Storm Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this winter storm warning at Jan 21, 2012, 11:49 AM EST for Bristol County, Newport County, Washington County, Rhode Island; Barnstable County, Bristol County, Plymouth County, Massachusetts. It was in force for 6 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
- Jan 21, 2012, 11:49 AM EST (16:49 UTC)
- Expired
- Jan 21, 2012, 5:59 PM EST
- In force
- 6 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Bristol County, MA, Plymouth County, MA, Bristol County, RI, Newport County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 32 km from the middle of the area, began a volume at 16:49 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
Chatham, MA (KCHH), launched 12:00Z, 4.8 hours before the alert went out and 90 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
- 1172 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
414 WWUS41 KBOX 211649 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1149 AM EST SAT JAN 21 2012 MAZ020>022-RIZ005>007-212300- /O.UPG.KBOX.WW.Y.0005.000000T0000Z-120121T2300Z/ /O.NEW.KBOX.WS.W.0001.120121T1649Z-120121T2300Z/ SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-BRISTOL RI- WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD... MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 1149 AM EST SAT JAN 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * LOCATIONS...SOUTHERN RHODE ISLAND...SOUTH COASTAL MASSACHUSETTS AND CAPE COD. * HAZARD TYPES...SNOW. * ACCUMULATIONS...6 TO 10 INCHES OF SNOW. * TIMING...THROUGH 6 PM THIS EVENING. * IMPACTS...SNOW COVERED ROADWAYS AND SIDEWALKS WILL BE VERY SLIPPERY...ESPECIALLY IF THEY ARE UNTREATED. SNOW WILL FALL AT ABOUT AN INCH PER HOUR IN THE WARNING AREA...WHICH WILL REDUCE VISIBILITIES AND WILL ACCUMULATE QUICKLY. TRAVELERS ARE URGED TO ALLOW EXTRA TIME OR DELAY TRAVELING TO THE WARNED AREA. * WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...IN THE UPPER 20S. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES. 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. && $$ MAZ024-212300- /O.EXA.KBOX.WW.Y.0005.000000T0000Z-120121T2300Z/ NANTUCKET MA- INCLUDING THE CITY OF...NANTUCKET 1149 AM EST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER WEATHER ADVISORY FOR NANTUCKET...WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. * LOCATIONS...NANTUCKET. * HAZARD TYPES...SNOW. * ACCUMULATIONS...4 TO 6 INCHES OF SNOW. * TIMING...THROUGH 6 PM THIS EVENING. * IMPACTS...SNOW WILL INCREASE IN INTENSITY THROUGH THE AFTERNOON...AND WILL ACCUMULATE QUICKLY. AS NORTHEAST WINDS INCREASE...ALONG WITH THE HEAVIER SNOW...VISIBILITIES WILL LOWER AT TIMES. * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. * TEMPERATURES...IN THE LOWER 30S. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS AND SIDEWALKS. WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE SLIPPERY SPOTS CAN EASILY DEVELOP. && $$ CTZ002>004-MAZ002>019-023-026-RIZ001>004-008-212300- /O.CON.KBOX.WW.Y.0005.000000T0000Z-120121T2300Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-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-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-DUKES MA- NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BLOCK ISLAND RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... VINEYARD HAVEN...AYER...FOSTER...SMITHFIELD...PROVIDENCE... WEST GREENWICH...WARWICK...BLOCK ISLAND 1149 AM EST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * LOCATIONS...MASSACHUSETTS...NORTHERN CONNECTICUT AND NORTHERN RHODE ISLAND...INCLUDING BLOCK ISLAND. * HAZARD TYPES...SNOW. * ACCUMULATIONS...3 TO 5 INCHES OF SNOW. * TIMING...SNOW WILL OCCASIONAL FALL HEAVILY AT TIMES MAINLY SOUTH OF THE MASSACHUSETTS TURNPIKE DURING THE AFTERNOON. SNOW WILL TAPER OFF AND END FROM WEST TO EAST LATE THIS AFTERNOON INTO EARLY EVENING. * IMPACTS...SNOW WILL CONTINUE TO ACCUMULATE. UNTREATED SURFACES WILL BE SLIPPERY. TRAVELERS ARE ENCOURAGED TO ALLOW EXTRA TIME TO REACH THEIR DESTINATIONS. * WINDS...NORTHEAST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH. * VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES. 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. && $$ VALLIER-TALBOT
2 follow-up statements
483 WWUS41 KBOX 212046 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 346 PM EST SAT JAN 21 2012 MAZ020-RIZ005>007-212200- /O.CAN.KBOX.WS.W.0001.000000T0000Z-120121T2300Z/ SOUTHERN BRISTOL MA-BRISTOL RI-WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 346 PM EST SAT JAN 21 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER STORM WARNING. THE STEADY AND HEAVIER SNOWFALL HAS MOVED OUT OF THE AREA. $$ CTZ002>004-MAZ002>017-026-RIZ001>004-008-212200- /O.CAN.KBOX.WW.Y.0005.000000T0000Z-120121T2300Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-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-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BLOCK ISLAND RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...AYER...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BLOCK ISLAND 346 PM EST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER WEATHER ADVISORY. THE STEADY AND HEAVIER SNOW HAS MOVED OUT OF THE AREA. $$ MAZ021-022-212300- /O.CON.KBOX.WS.W.0001.000000T0000Z-120121T2300Z/ SOUTHERN PLYMOUTH MA-BARNSTABLE MA- INCLUDING THE CITIES OF...MATTAPOISETT...CHATHAM...FALMOUTH... PROVINCETOWN 346 PM EST SAT JAN 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * LOCATIONS...SOUTHERN PLYMOUTH COUNTY AND CAPE COD. * HAZARD TYPES...SNOW. * ACCUMULATIONS...6 TO 10 INCHES OF SNOW. * TIMING...SNOW WILL CONTINUE TO FALL THROUGH 5 PM...THEN WILL PUSH OFFSHORE BY 6 PM. * IMPACTS...VISIBILITIES WILL BE REDUCED TO BELOW 1 MILE THROUGH AROUND 5 PM...THEN SHOULD IMPROVE. ROADWAYS WILL REMAIN SNOW COVERED AND SLIPPERY. TRAVELERS ARE URGED TO ALLOW EXTRA TIME OR DELAY TRAVELING ACROSS THE WARNED AREA THROUGH EARLY TONIGHT TO ALLOW CREWS TIME TO TREAT AND CLEAR THE ROADWAYS. * WINDS...NORTHEAST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. * TEMPERATURES...AROUND 30. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES. && $$ MAZ018-019-023-024-212300- /O.CON.KBOX.WW.Y.0005.000000T0000Z-120121T2300Z/ WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-DUKES MA-NANTUCKET MA- INCLUDING THE CITIES OF...BROCKTON...PLYMOUTH...VINEYARD HAVEN... NANTUCKET 346 PM EST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * LOCATIONS...NORTHERN AND EASTERN PLYMOUTH COUNTY...NANTUCKET AND MARTHAS VINEYARD. * HAZARD TYPES...SNOW. * ACCUMULATIONS...4 TO 8 INCHES OF SNOW. * TIMING...ACCUMULATING SNOW WILL FALL THROUGH 5 PM...THEN WILL END BY AROUND 6 PM. * IMPACTS...UNTREATED SURFACES WILL BE VERY SLIPPERY. TRAVELERS ARE ENCOURAGED TO ALLOW EXTRA TIME TO REACH THEIR DESTINATIONS OR DELAY TRAVEL UNTIL ROADWAYS CAN BE TREATED AND PLOWED. * WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES. 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. && $$
513 WWUS41 KBOX 212259 WSWBOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 559 PM EST SAT JAN 21 2012 MAZ021-022-220000- /O.CAN.KBOX.WS.W.0001.000000T0000Z-120121T2300Z/ SOUTHERN PLYMOUTH MA-BARNSTABLE MA- INCLUDING THE CITIES OF...MATTAPOISETT...CHATHAM...FALMOUTH... PROVINCETOWN 559 PM EST SAT JAN 21 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER STORM WARNING. SNOW SHOWERS WILL END THIS EVENING WITH LITTLE OR NO ADDITIONAL ACCUMULATION. $$ MAZ018-019-023-024-220000- /O.CAN.KBOX.WW.Y.0005.000000T0000Z-120121T2300Z/ WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-DUKES MA-NANTUCKET MA- INCLUDING THE CITIES OF...BROCKTON...PLYMOUTH...VINEYARD HAVEN... NANTUCKET 559 PM EST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER WEATHER ADVISORY. $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 3:53 AM EST | Small Craft Advisory | BOX | 4 days |
Nearby
Winter Storm Warnings in Rhode Island, 2012Winter Storm Warnings in Massachusetts, 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.