Alert archive / Massachusetts / Freeze Warnings in 2011

Freeze Warning 2, NWS Boston/Norton, MA

October 6, 2011Franklin County, Hampden County, Hampshire County, Massachusetts; Hillsborough County, New Hampshire

NWS Boston/Norton, MA issued this freeze warning at Oct 6, 2011, 3:40 PM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts; Hillsborough County, New Hampshire. It took effect at Oct 7, 2011, 3:00 AM EDT. It was in force for 4 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
Oct 6, 2011, 3:40 PM EDT (19:40 UTC)
In effect from
Oct 7, 2011, 3:00 AM EDT
Expired
Oct 7, 2011, 7:00 AM EDT
In force
4 hr
Issued by
NWS Boston/Norton, MA

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Hillsborough County, NH

The radar

The Boston radar (KBOX), 120 km from the middle of the area, began a volume at 19:46 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, 7.7 hours before the alert went out and 185 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, Brookhaven, NY at 12:00Z on 2011-10-06Temperature 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, Brookhaven, NY at 12:00Z on 2011-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.19395878Sfc1 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
1614 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

019 
WWUS71 KBOX 061940
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
340 PM EDT THU OCT 6 2011

MAZ002-003-008>010-NHZ015-070345-
/O.NEW.KBOX.FZ.W.0002.111007T0700Z-111007T1100Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...PETERBOROUGH...
WEARE
340 PM EDT THU OCT 6 2011

...FREEZE WARNING IN EFFECT FROM 3 AM TO 7 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 7 AM EDT FRIDAY. 

* LOCATIONS...NORTHWEST MASSACHUSETTS AND SOUTHWEST NEW HAMPSHIRE
  INCLUDING THE CITIES AND TOWNS OF CHARLEMONT...GREENFIELD...ORANGE...
  CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...PETERBOROUGH
  AND WEARE. CHESHIRE COUNTY OF NEW HAMPSHIRE IS NOT INCLUDED IN
  THE WARNING AS THIS COUNTY EXPERIENCED A HARD FREEZE LAST NIGHT
  AND ESSENTIALLY ENDING THE GROWING SEASON ACROSS THIS AREA.

* HAZARDS...FREEZE WARNING.

* TEMPERATURES...UPPER 20S AND LOWER 30S.

* TIMING...3 AM TO 7 AM.

* IMPACTS...SUBFREEZING TEMPERATURES WILL THREATEN OUTDOOR PLANTS
  ESPECIALLY TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNING AREA ARE ADVISED TO HARVEST OR PROTECT
TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS
SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

CTZ003-004-MAZ004>007-011>014-017-018-020-021-023-026-NHZ012-
RIZ001-070345-
/O.NEW.KBOX.FR.Y.0004.111007T0700Z-111007T1100Z/
TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-DUKES MA-NORTHERN MIDDLESEX MA-
EASTERN HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...UNION...VERNON...PUTNAM...WILLIMANTIC...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...TAUNTON...BROCKTON...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...VINEYARD HAVEN...AYER...MANCHESTER...NASHUA...
FOSTER...SMITHFIELD
340 PM EDT THU OCT 6 2011

...FROST ADVISORY IN EFFECT FROM 3 AM TO 7 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 7 AM EDT FRIDAY. 

* LOCATIONS...SOUTHEAST NEW HAMPSHIRE...MUCH OF MASSACHUSETTS...
  NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND. 

* HAZARDS...WIDESPREAD FROST.

* TEMPERATURES...IN THE MID 30S.

* TIMING...3 AM TO 7 AM.

* IMPACTS...COLD TEMPERATURES MAY DAMAGE TENDER VEGETATION
  INCLUDING POTTED PLANTS NORMALLY LEFT OUTDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON.  THOSE WITH AGRICULTURAL INTERESTS ARE
ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD.

&&

$$
3 follow-up statements
745 
WWUS71 KBOX 070257
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1057 PM EDT THU OCT 6 2011

MAZ002-003-008>010-NHZ015-071100-
/O.CON.KBOX.FZ.W.0002.111007T0700Z-111007T1100Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...PETERBOROUGH...
WEARE
1057 PM EDT THU OCT 6 2011

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 7 AM EDT
FRIDAY...

* LOCATIONS...NORTHWEST MASSACHUSETTS AND SOUTHWEST NEW 
  HAMPSHIRE INCLUDING THE CITIES AND TOWNS OF CHARLEMONT...
  GREENFIELD... ORANGE... CHESTERFIELD...BLANDFORD...AMHERST...
  NORTHAMPTON... PETERBOROUGH AND WEARE. CHESHIRE COUNTY OF NEW 
  HAMPSHIRE IS NOT INCLUDED IN THE WARNING AS THIS COUNTY 
  EXPERIENCED A HARD FREEZE LAST NIGHT AND ESSENTIALLY ENDING 
  THE GROWING SEASON ACROSS THIS AREA. 

* TEMPERATURES...IN THE LOWER 30S.

* TIMING...3 AM TO 7 AM.

* IMPACTS...SUBFREEZING TEMPERATURES WILL THREATEN OUTDOOR 
  PLANTS ESPECIALLY TENDER VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNING AREA ARE ADVISED TO HARVEST OR PROTECT
TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS
SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

CTZ003-004-MAZ004>007-011>014-017-018-020-021-023-026-NHZ012-
RIZ001-071100-
/O.CON.KBOX.FR.Y.0004.111007T0700Z-111007T1100Z/
TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-DUKES MA-NORTHERN MIDDLESEX MA-
EASTERN HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...UNION...VERNON...PUTNAM...WILLIMANTIC...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...TAUNTON...BROCKTON...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...VINEYARD HAVEN...AYER...MANCHESTER...NASHUA...
FOSTER...SMITHFIELD
1057 PM EDT THU OCT 6 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 AM EDT
FRIDAY...

* LOCATIONS...SOUTHEAST NEW HAMPSHIRE...MUCH OF MASSACHUSETTS... 
  NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND. 

* HAZARDS...WIDESPREAD FROST.

* TEMPERATURES...IN THE MID 30S.

* TIMING...3 AM TO 7 AM.

* IMPACTS...COLD TEMPERATURES MAY DAMAGE TENDER VEGETATION 
  INCLUDING POTTED PLANTS NORMALLY LEFT OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON.  THOSE WITH AGRICULTURAL INTERESTS ARE
ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD.

&&

$$

RLG
132 
WWUS71 KBOX 070739
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
339 AM EDT FRI OCT 7 2011

MAZ002-003-008>010-NHZ015-071100-
/O.CON.KBOX.FZ.W.0002.000000T0000Z-111007T1100Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...PETERBOROUGH...
WEARE
339 AM EDT FRI OCT 7 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING...

* LOCATIONS...NORTHWEST MASSACHUSETTS AND SOUTHWEST NEW 
  HAMPSHIRE INCLUDING THE CITIES AND TOWNS OF CHARLEMONT... 
  GREENFIELD... ORANGE... CHESTERFIELD...BLANDFORD...AMHERST... 
  NORTHAMPTON... PETERBOROUGH AND WEARE. CHESHIRE COUNTY OF NEW 
  HAMPSHIRE IS NOT INCLUDED IN THE WARNING AS THIS COUNTY 
  EXPERIENCED A HARD FREEZE LAST NIGHT AND ESSENTIALLY ENDING 
  THE GROWING SEASON ACROSS THIS AREA. 

* TEMPERATURES...IN THE MID 30S.

* TIMING...NOW THROUGH 7 AM.

* IMPACTS...SUBFREEZING TEMPERATURES WILL THREATEN OUTDOOR 
  PLANTS ESPECIALLY TENDER VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNING AREA ARE ADVISED TO HARVEST OR PROTECT
TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS
SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

CTZ003-004-MAZ004>007-011>014-017-018-020-021-023-026-NHZ012-
RIZ001-071100-
/O.CON.KBOX.FR.Y.0004.000000T0000Z-111007T1100Z/
TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-DUKES MA-NORTHERN MIDDLESEX MA-
EASTERN HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...UNION...VERNON...PUTNAM...WILLIMANTIC...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...TAUNTON...BROCKTON...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...VINEYARD HAVEN...AYER...MANCHESTER...NASHUA...
FOSTER...SMITHFIELD
339 AM EDT FRI OCT 7 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING...

* LOCATIONS...SOUTHEAST NEW HAMPSHIRE...MUCH OF MASSACHUSETTS... 
  NORTHEAST CONNECTICUT AND NORTHWEST RHODE ISLAND. 

* HAZARDS...WIDESPREAD FROST.

* TEMPERATURES...IN THE UPPER 30S.

* TIMING...NOW THROUGH 7 AM.

* IMPACTS...COLD TEMPERATURES MAY DAMAGE TENDER VEGETATION 
  INCLUDING POTTED PLANTS NORMALLY LEFT OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON.  THOSE WITH AGRICULTURAL INTERESTS ARE
ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD.

&&

$$

RLG
244 
WWUS71 KBOX 071103
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
703 AM EDT FRI OCT 7 2011

MAZ002-003-008>010-NHZ015-071215-
/O.EXP.KBOX.FZ.W.0002.000000T0000Z-111007T1100Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...PETERBOROUGH...
WEARE
703 AM EDT FRI OCT 7 2011

...FREEZE WARNING HAS EXPIRED...

$$

CTZ003-004-MAZ004>007-011>014-017-018-020-021-023-026-NHZ012-
RIZ001-071215-
/O.EXP.KBOX.FR.Y.0004.000000T0000Z-111007T1100Z/
TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-DUKES MA-NORTHERN MIDDLESEX MA-
EASTERN HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...UNION...VERNON...PUTNAM...WILLIMANTIC...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...TAUNTON...BROCKTON...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...VINEYARD HAVEN...AYER...MANCHESTER...NASHUA...
FOSTER...SMITHFIELD
703 AM EDT FRI OCT 7 2011

...FROST ADVISORY HAS EXPIRED...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 3:40 PM EDTFrost AdvisoryBOXBristol, Dukes, Essex, Hampden, Middlesex, Norfolk and 2 more15 hr

Nearby

Freeze Warnings in Massachusetts, 2011Freeze Warnings in New Hampshire, 2011Every freeze warning 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.