Alert archive / Massachusetts / Frost Advisories in 2012
Frost Advisory 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this frost advisory at Apr 25, 2012, 3:50 PM EDT for Providence County, Rhode Island; 6 counties in Massachusetts; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Apr 26, 2012, 1:00 AM EDT. It was in force for 7 hr.
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 Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Worcester County, MA, Providence County, RI
The radar
The Boston radar (KBOX), 32 km from the middle of the area, began a volume at 19:50 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
Chatham, MA (KCHH), launched 12:00Z, 7.8 hours before the alert went out and 134 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
- 11 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1477 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 4:09 AM EDT | Small Craft Advisory for Hazardous Seas | BOX | 24 hr | |
| Apr 25, 3:50 PM EDT | Freeze Warning | BOX | Franklin, Hampden, Hampshire | 16 hr |
Nearby
Frost Advisories in Massachusetts, 2012Frost Advisories in Connecticut, 2012Frost Advisories in Rhode Island, 2012Every frost advisory 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.