Alert archive / Massachusetts / Freeze Warnings in 2012

Freeze Warning 1, NWS Boston/Norton, MA

April 25, 2012Franklin County, Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this freeze warning at Apr 25, 2012, 3:50 PM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts. It took effect at Apr 26, 2012, 1:00 AM EDT. It was in force for 7 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
Apr 25, 2012, 3:50 PM EDT (19:50 UTC)
In effect from
Apr 26, 2012, 1:00 AM EDT
Expired
Apr 26, 2012, 8:00 AM EDT
In force
7 hr
Issued by
NWS Boston/Norton, MA

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.8 hours before the alert went out and 105 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 2012-04-25Temperature 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 2012-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.193958Sfc1 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
1153 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
169 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.

449 
WWUS71 KBOX 251950
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
350 PM EDT WED APR 25 2012

...FROST AND FREEZE HEADLINES ARE IN EFFECT LATE TONIGHT INTO
EARLY THURSDAY MORNING...

MAZ002-003-008>010-260400-
/O.UPG.KBOX.FZ.A.0001.120426T0500Z-120426T1200Z/
/O.NEW.KBOX.FZ.W.0001.120426T0500Z-120426T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON
350 PM EDT WED APR 25 2012

...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...FRANKLIN AND HAMPSHIRE COUNTIES...AS WELL AS 
  WESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS. 

* HAZARDS...POTENTIAL FOR FREEZING TEMPERATURES.

* TEMPERATURES...LOWS IN THE UPPER 20S TO THE LOWER 30S.

* TIMING...1 AM UNTIL 8 AM EARLY THURSDAY MORNING.

* IMPACTS...THESE CONDITIONS COULD HARM CROPS AND OTHER 
  SENSITIVE 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.

&&

$$

MAZ011-260400-
/O.NEW.KBOX.FZ.W.0001.120426T0500Z-120426T1200Z/
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF...SPRINGFIELD
350 PM EDT WED APR 25 2012

...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY.

* LOCATIONS...EASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS.

* HAZARDS...FREEZE WARNING.

* TEMPERATURES...LOWS IN THE UPPER 20S TO THE LOWER 30S.

* TIMING...1 AM UNTIL 8 AM EARLY THURSDAY MORNING.

* IMPACTS...THESE CONDITIONS COULD HARM CROPS AND OTHER 
  SENSITIVE 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.

&&

$$

CTZ002>004-MAZ004>006-012-013-017>021-026-RIZ001-260400-
/O.NEW.KBOX.FR.Y.0001.120426T0500Z-120426T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-SOUTHERN WORCESTER MA-
WESTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...BARRE...FITCHBURG...FRAMINGHAM...
LOWELL...LAWRENCE...MILFORD...WORCESTER...FOXBORO...NORWOOD...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...AYER...FOSTER...SMITHFIELD
350 PM EDT WED APR 25 2012

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EDT THURSDAY.

* LOCATIONS...NORTHERN CONNECTICUT AS WELL AS MUCH OF CENTRAL AND
  EASTERN MASSACHUSETTS AS WELL AS NORTHERN RHODE ISLAND.

* HAZARDS...FROST ADVISORY.

* TEMPERATURES...LOWS IN THE MIDDLE 30S.

* TIMING...1 AM UNTIL 8 AM EARLY THURSDAY MORNING.

* IMPACTS...THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO
  PROTECT TENDER VEGETATION.

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.

&&

$$

FRANK
2 follow-up statements
558 
WWUS71 KBOX 260205
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1005 PM EDT WED APR 25 2012

...FROST AND FREEZE HEADLINES ARE IN EFFECT LATE TONIGHT INTO
EARLY THURSDAY MORNING...

MAZ002-003-008>011-261015-
/O.CON.KBOX.FZ.W.0001.120426T0500Z-120426T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD
1005 PM EDT WED APR 25 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* LOCATIONS...FRANKLIN AND HAMPSHIRE COUNTIES...AS WELL AS 
  WESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS. 

* HAZARDS...POTENTIAL FOR FREEZING TEMPERATURES.

* TEMPERATURES...IN THE LOWER 30S.

* TIMING...1 AM UNTIL 8 AM EARLY THURSDAY MORNING.

* IMPACTS...THESE CONDITIONS COULD HARM CROPS AND OTHER 
  SENSITIVE 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.

&&

$$

CTZ002>004-MAZ004>006-012-013-017>021-026-RIZ001-261015-
/O.CON.KBOX.FR.Y.0001.120426T0500Z-120426T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-SOUTHERN WORCESTER MA-
WESTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...BARRE...FITCHBURG...FRAMINGHAM...
LOWELL...LAWRENCE...MILFORD...WORCESTER...FOXBORO...NORWOOD...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...AYER...FOSTER...SMITHFIELD
1005 PM EDT WED APR 25 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* LOCATIONS...NORTHERN CONNECTICUT AS WELL AS MUCH OF CENTRAL 
  AND EASTERN MASSACHUSETTS AS WELL AS NORTHERN RHODE ISLAND. 

* HAZARDS...FROST ADVISORY.

* TEMPERATURES...IN THE UPPER 30S.

* TIMING...1 AM UNTIL 8 AM EARLY THURSDAY MORNING.

* IMPACTS...THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO 
  PROTECT TENDER VEGETATION. 

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
146 
WWUS71 KBOX 261158
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
758 AM EDT THU APR 26 2012


MAZ002-003-008>011-261300-
/O.EXP.KBOX.FZ.W.0001.000000T0000Z-120426T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD
758 AM EDT THU APR 26 2012

...FREEZE WARNING WILL EXPIRE AT 8 AM EDT THIS MORNING...

TEMPERATURES WILL CONTINUE TO RAPIDLY RISE THIS MORNING AND MOST
LOCATIONS WERE ALREADY ABOVE FREEZING. THEREFORE...THE FREEZE
WARNING WILL EXPIRE ON TIME AT 8 AM.

$$

CTZ002>004-MAZ004>006-012-013-017>021-026-RIZ001-261300-
/O.EXP.KBOX.FR.Y.0001.000000T0000Z-120426T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-SOUTHERN WORCESTER MA-
WESTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...BARRE...FITCHBURG...FRAMINGHAM...
LOWELL...LAWRENCE...MILFORD...WORCESTER...FOXBORO...NORWOOD...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...AYER...FOSTER...SMITHFIELD
758 AM EDT THU APR 26 2012

...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING...

TEMPERATURES WERE RAPIDLY RISING THIS MORNING AND THE FROST
ADVISORY WILL BE ALLOWED TO EXPIRE ON TIME AT 8 AM.

$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 4:09 AM EDTSmall Craft Advisory for Hazardous SeasBOX24 hr
Apr 25, 3:50 PM EDTFrost AdvisoryBOXBristol, Essex, Middlesex, Norfolk, Plymouth, Worcester16 hr

Nearby

Freeze Warnings in Massachusetts, 2012Every freeze 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.