Alert archive / Massachusetts / Winter Weather Advisories in 2011
Winter Weather Advisory 8, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this winter weather advisory at Jan 31, 2011, 4:52 PM EST for 4 counties in Massachusetts; 4 counties in Rhode Island. It took effect at Feb 1, 2011, 6:00 AM EST. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- Jan 31, 2011, 4:52 PM EST (21:52 UTC)
- In effect from
- Feb 1, 2011, 6:00 AM EST
- Expired
- Feb 2, 2011, 11:03 AM EST
- In force
- 29 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Bristol County, MA, Norfolk County, MA, Plymouth County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 25 km from the middle of the area, began a volume at 21:50 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
Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 174 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
- 1237 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- -61 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory 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 weather advisory went out at Jan 31, 4:52 PM EST, 0 minutes earlier.
Area forecast discussion, Jan 31, 4:52 PM EST, 0 minutes before
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</html>Hazardous weather outlook, Jan 31, 4:50 AM EST, 12 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 450 AM EST MON JAN 31 2011 MAZ020>024-NHZ011-012-015-RIZ004>008-011000- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA- NANTUCKET MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH- WESTERN AND CENTRAL HILLSBOROUGH NH-EASTERN KENT RI-BRISTOL RI- WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 450 AM EST MON JAN 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. ANOTHER WINTER STORM WILL IMPACT SOUTHERN NEW ENGLAND TUESDAY INTO WEDNESDAY. THE FIRST PART OF THE STORM WILL COME ON TUESDAY MAINLY IN THE FORM OF SNOW AND RESULTING IN SEVERAL INCHES OF ACCUMULATION. THERE IS THE POSSIBILITY FOR LOCALES ALONG THE SHORELINE...ESPECIALLY THE CAPE AND ISLANDS...TO SEE A TRANSITION TO A WINTRY MIX TUESDAY NIGHT. THE SECOND PART OF THE STORM WILL IMPACT THE REGION WEDNESADAY INTO WEDNESDAY NIGHT. THE SOUTH COAST AND SHORELINE ANY WINTRY PRECIPITATION IS EXPECTED TO TRANSITION TO A PLAIN RAIN EVENT. STRONG AND GUSTY WINDS CAN ALSO BE EXPECTED WITH THE PASSAGE OF THE STORM. WEDNESDAY NIGHT ANY AND ALL PRECIPITATION SHOULD CHANGE OVER TO SNOW AND TAPER OFF INTO MORNING. STRONG NORTH WINDS SHOULD CONTINUE AND DISSIPATE INTO THURSDAY EVENING. COLDER AIR WILL BEGIN TO INFILTRATE THE REGION LENDING TO VERY COLD WIND CHILL VALUES FOR SOUTHERN NEW HAMPSHIRE AND NORTHERN MASSACHUSETTS THURSDAY NIGHT INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CTZ002>004-MAZ002>019-026-RIZ001>003-011000- 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-NORTHERN MIDDLESEX MA- NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI- 450 AM EST MON JAN 31 2011 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS AND NORTHERN RHODE ISLAND. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WINTER STORM WATCH. COLDER AIR WILL BEGIN TO INFILTRATE THE REGION LENDING TO VERY COLD WIND CHILL VALUES FOR SOUTHERN NEW HAMPSHIRE AND NORTHERN MASSACHUSETTS THURSDAY NIGHT INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ230>237-250-251-254>256-011000- BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND- BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-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- 450 AM EST MON JAN 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THERE IS A LOW TO MEDIUM PROBABILITY FOR GALE FORCE WIND GUSTS FROM THE NORTH LATE WEDNESDAY INTO THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 31, 4:43 AM EST | Winter Storm Watch | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 12 hr |
| Jan 31, 10:04 AM EST | Small Craft Advisory | BOX | 6 hr | |
| Jan 31, 4:52 PM EST | Winter Storm Warning | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 45 hr |
Nearby
Winter Weather Advisories in Massachusetts, 2011Winter Weather Advisories in Rhode Island, 2011Every winter weather advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.