Alert archive / Massachusetts / Frost Advisories in 2010

Frost Advisory 2, NWS Boston/Norton, MA

April 13, 2010Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; Kent County, Providence County, Washington County, Rhode Island; 7 counties in Massachusetts

NWS Boston/Norton, MA issued this frost advisory at Apr 13, 2010, 5:00 AM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; Kent County, Providence County, Washington County, Rhode Island; 7 counties in Massachusetts. It took effect at Apr 13, 2010, 11:09 PM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 13, 2010, 5:00 AM EDT (09:00 UTC)
In effect from
Apr 13, 2010, 11:09 PM EDT
Expired
Apr 14, 2010, 8:00 AM EDT
In force
9 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Kent County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 19 km from the middle of the area, began a volume at 09:01 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 00:00Z, 9.0 hours before the alert went out and 102 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, Chatham, MA at 00:00Z on 2010-04-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 00:00Z on 2010-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 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
1864 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
-8 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.

227 
WWUS71 KBOX 130900
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
500 AM EDT TUE APR 13 2010

...AREAS OF FROST LIKELY LATE TONIGHT AND EARLY TUESDAY...

CTZ002-131700-
/O.CAN.KBOX.FR.Y.0001.000000T0000Z-100413T1200Z/
/O.NEW.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
HARTFORD CT-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS
500 AM EDT TUE APR 13 2010

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY...
...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY.
THE FROST ADVISORY FOR THIS MORNING IN HARTFORD COUNTY HAS BEEN
CANCELED.

HIGH CLOUD COVER HAS LIMITED THE FROST POTENTIAL IN MOST OF HARTFORD
COUNTY...EXCEPT POSSIBLY NEAR THE MASSACHUSETTS BORDER

HOWEVER...THE COOL AIRMASS WILL STILL RESIDE OVER SOUTHERN NEW
ENGLAND TONIGHT AND MUCH LESS CLOUDINESS IS EXPECTED AFTER ANY
SCATTERED AFTERNOON OR SPRINKLES END.  

TEMPERATURES WEDNESDAY MORNING SHOULD BE SEVERAL DEGREES COOLER THAN
THE VALUES OF EARLY THIS MORNING.


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.

&&

$$

MAZ024-131000-
/O.CAN.KBOX.FR.Y.0001.000000T0000Z-100413T1200Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
500 AM EDT TUE APR 13 2010

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELED THE FROST
ADVISORY. 

TEMPERATURES WHILE REACHING THE UPPER 30S LAST EVENING ON NANTUCKET
HAVE NOT DROPPED MUCH SINCE THEN AND THE FROST ADVISORY HAS BEEN
DISCONTINUED.



$$

CTZ003-004-MAZ007-017>023-RIZ001-003-006-131700-
/O.NEW.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
/O.CON.KBOX.FR.Y.0001.000000T0000Z-100413T1200Z/
TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHWEST PROVIDENCE RI-WESTERN KENT RI-WASHINGTON RI-
INCLUDING THE CITIES OF...UNION...VERNON...PUTNAM...WILLIMANTIC...
GLOUCESTER...TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...
NEW BEDFORD...MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...FOSTER...SMITHFIELD...WEST GREENWICH...
NARRAGANSETT...WESTERLY
500 AM EDT TUE APR 13 2010

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY
AND A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING
FOR NORTH CENTRAL AND NORTHEAST CONNECTICUT AS WELL AS MUCH OF RHODE
ISLAND AWAY FROM NARRAGANSETT BAY AND OUTSIDE THE URBAN CENTERS AND
FOR MUCH OF SOUTHEAST AND RURAL COASTAL MASSACHUSETTS.

IN CONNECTICUT THIS INCLUDES THE CITIES AND TOWNS OF UNION...VERNON...
PUTNAM AND WILLIMANTIC.

IN MASSACHUSETTS THIS INCLUDES GLOUCESTER...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...
FALMOUTH...PROVINCETOWN AND VINEYARD HAVEN.

IN RHODE ISLAND THIS INCLUDES THE CITIES AND TOWNS OF FOSTER...
SMITHFIELD... WEST GREENWICH...NARRAGANSETT AND WESTERLY.

A DRY COOL AIRMASS RESIDES OVER SOUTHERN NEW ENGLAND COURTESY OF
CANADIAN HIGH PRESSURE SPREADING INTO THE NORTHEAST UNITED
STATES.

TEMPERATURES IN THE COUNTRYSIDE DIPPED TO NEAR FREEZING EARLY TODAY
WITH FROST EXCEPT IN SOUTH COASTAL RHODE ISLAND WHERE A DECK OF HIGH
CLOUDS ARRIVED BEFORE DAWN TO LIMIT THE FROST POTENTIAL THERE

A NEAR REPEAT FROST EPISODE IS FORECAST TONIGHT AND WITH SKIES CLEAR
MOST OF THE NIGHT AFTER ANY CLOUD DEBRIS FROM THIS AFTERNOONS
SCATTERED SPRINKLES OR SHOWERS DISSIPATES. THIS COULD RESULT IN 
TEMPERATURES ALMOST 5 DEGREES COOLER TONIGHT ALONG THE SOUTH COAST OF
RHODE ISLAND.

WHILE FROST IS EXPECTED ACROSS INTERIOR MASSACHUSETTS AND
SOUTHWEST NEW HAMPSHIRE...A FROST ADVISORY HAS NOT BEEN ISSUED
FOR THIS AREA AS THE GROWING SEASON HAS NOT BEGUN YET OVER THIS
REGION.

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.

&&

$$

RIZ002-131700-
/O.NEW.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF...PROVIDENCE
500 AM EDT TUE APR 13 2010

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

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

THIS ADVISORY IS FOR THE REGION JUST OUTSIDE THE CITY OF PROVIDENCE
FOR LATE TONIGHT. CONDITIONS WILL BE MARGINALLY FAVORABLE FOR A TOUCH
OF FROST JUST OUTSIDE THE URBAN CENTER OF PROVIDENCE TONIGHT.

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.

&&

$$


DRAG
7 follow-up statements
139 
WWUS71 KBOX 130931
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
531 AM EDT TUE APR 13 2010

...AREAS OF FROST LIKELY LATE TONIGHT AND EARLY TUESDAY...

CTZ003-131745-
/O.CAN.KBOX.FR.Y.0001.000000T0000Z-100413T1200Z/
/O.CON.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
TOLLAND CT-
INCLUDING THE CITIES OF...UNION...VERNON
531 AM EDT TUE APR 13 2010

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY...
...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE FROST
ADVISORY THIS MORNING. A FROST ADVISORY REMAINS IN EFFECT FROM 
1 AM TO 8 AM EDT WEDNESDAY.

IN CONNECTICUT THE FROST ADVISORY HAS BEEN CANCELLED FOR TOLLAND
COUNTY THIS MORNING. LATEST MESONET OBSERVATIONS INDICATE
TEMPERATURES REMAINING IN THE UPPER 30S TO LOWER 40S THIS MORNING DUE
TO PERSISTENT HIGH CLOUDINESS.

IN CONNECTICUT THE FROST ADVISORY TONIGHT INCLUDES THE CITIES AND
TOWNS OF VERNON...UNION... WILLIMANTIC AND PUTNAM.

A DRY COOL AIRMASS RESIDES OVER SOUTHERN NEW ENGLAND COURTESY OF
CANADIAN HIGH PRESSURE SPREADING INTO THE NORTHEAST UNITED STATES.

A NEAR REPEAT FROST EPISODE IS FORECAST TONIGHT AND WITH SKIES
CLEAR MOST OF THE NIGHT AFTER ANY CLOUD DEBRIS FROM THIS
AFTERNOONS SCATTERED SPRINKLES OR SHOWERS DISSIPATES. THIS COULD
RESULT IN TEMPERATURES ALMOST 5 DEGREES COOLER TONIGHT.

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.

&&

$$

CTZ004-MAZ007-017>023-RIZ001-003-006-131745-
/O.CON.KBOX.FR.Y.0001.000000T0000Z-100413T1200Z/
/O.CON.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
WINDHAM CT-EASTERN ESSEX MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHWEST PROVIDENCE RI-WESTERN KENT RI-WASHINGTON RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...FOSTER...SMITHFIELD...WEST GREENWICH...
NARRAGANSETT...WESTERLY
531 AM EDT TUE APR 13 2010

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. A
FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY.

IN CONNECTICUT THE FROST ADVISORY TONIGHT THIS INCLUDES THE CITIES
AND TOWNS OF UNION... VERNON... PUTNAM AND WILLIMANTIC.

IN MASSACHUSETTS THIS INCLUDES GLOUCESTER...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...
FALMOUTH...PROVINCETOWN AND VINEYARD HAVEN.

IN RHODE ISLAND THIS INCLUDES THE CITIES AND TOWNS OF FOSTER...
SMITHFIELD... WEST GREENWICH...NARRAGANSETT AND WESTERLY.

A DRY COOL AIRMASS RESIDES OVER SOUTHERN NEW ENGLAND COURTESY OF
CANADIAN HIGH PRESSURE SPREADING INTO THE NORTHEAST UNITED
STATES.

TEMPERATURES IN THE COUNTRYSIDE DIPPED TO NEAR FREEZING EARLY
TODAY WITH FROST EXCEPT IN SOUTH COASTAL RHODE ISLAND WHERE A
DECK OF HIGH CLOUDS ARRIVED BEFORE DAWN TO LIMIT THE FROST
POTENTIAL THERE

A NEAR REPEAT FROST EPISODE IS FORECAST TONIGHT AND WITH SKIES
CLEAR MOST OF THE NIGHT AFTER ANY CLOUD DEBRIS FROM THIS
AFTERNOONS SCATTERED SPRINKLES OR SHOWERS DISSIPATES. THIS COULD
RESULT IN TEMPERATURES ALMOST 5 DEGREES COOLER TONIGHT ALONG THE
SOUTH COAST OF RHODE ISLAND.

WHILE FROST IS EXPECTED ACROSS INTERIOR MASSACHUSETTS AND
SOUTHWEST NEW HAMPSHIRE...A FROST ADVISORY HAS NOT BEEN ISSUED
FOR THIS AREA AS THE GROWING SEASON HAS NOT BEGUN YET OVER THIS
REGION.

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.

&&

$$

CTZ002-RIZ002-131745-
/O.CON.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
HARTFORD CT-SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...PROVIDENCE
531 AM EDT TUE APR 13 2010

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY. 

HIGH CLOUD COVER HAS LIMITED THE FROST POTENTIAL IN MOST OF
HARTFORD COUNTY...EXCEPT POSSIBLY NEAR THE MASSACHUSETTS BORDER

HOWEVER...THE COOL AIRMASS WILL STILL RESIDE OVER SOUTHERN NEW
ENGLAND TONIGHT AND MUCH LESS CLOUDINESS IS EXPECTED AFTER ANY
SCATTERED AFTERNOON OR SPRINKLES END.

TEMPERATURES WEDNESDAY MORNING SHOULD BE SEVERAL DEGREES COOLER
THAN THE VALUES OF EARLY THIS MORNING.

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.

&&

$$
809 
WWUS71 KBOX 131202
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
802 AM EDT TUE APR 13 2010

...AREAS OF FROST LIKELY LATE TONIGHT AND EARLY TUESDAY...

CTZ004-MAZ007-017>023-RIZ001-003-006-132015-
/O.EXP.KBOX.FR.Y.0001.000000T0000Z-100413T1200Z/
/O.CON.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
WINDHAM CT-EASTERN ESSEX MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHWEST PROVIDENCE RI-WESTERN KENT RI-WASHINGTON RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GLOUCESTER...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...FOSTER...SMITHFIELD...WEST GREENWICH...
NARRAGANSETT...WESTERLY
802 AM EDT TUE APR 13 2010

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY...
...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING...

THE FROST ADVISORY FOR TODAY WILL EXPIRE AT 8 AM EDT THIS MORNING.
ANOTHER FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY.

A DRY COOL AIR MASS RESIDES OVER SOUTHERN NEW ENGLAND COURTESY OF
A HIGH PRESSURE MOVING INTO THE NORTHEAST UNITED STATES FROM CANADA. 

TEMPERATURES IN THE COUNTRYSIDE DIPPED TO NEAR FREEZING EARLY
TODAY WITH FROST...EXCEPT ACROSS SOUTH COASTAL RHODE ISLAND WHERE A 
DECK OF HIGH CLOUDS ARRIVED BEFORE DAWN TO LIMIT THE FROST POTENTIAL 
THERE

A NEAR REPEAT FROST EPISODE IS FORECAST TONIGHT AND WITH SKIES CLEAR 
MOST OF THE NIGHT AFTER ANY CLOUD DEBRIS FROM SCATTERED SPRINKLES OR 
SHOWERS THIS AFTERNOON DISSIPATES. THIS COULD RESULT IN TEMPERATURES
ALMOST 5 DEGREES COOLER TONIGHT ALONG THE SOUTH COAST OF RHODE
ISLAND.

WHILE FROST IS EXPECTED ACROSS INTERIOR MASSACHUSETTS AND
SOUTHWEST NEW HAMPSHIRE...A FROST ADVISORY HAS NOT BEEN ISSUED
FOR THIS AREA AS THE GROWING SEASON HAS NOT BEGUN.

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.

&&

$$

CTZ002-003-RIZ002-132015-
/O.CON.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
HARTFORD CT-TOLLAND CT-SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PROVIDENCE
802 AM EDT TUE APR 13 2010

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY. 

HIGH CLOUD COVER LIMITED THE FROST POTENTIAL ACROSS MOST OF HARTFORD 
AND TOLLAND COUNTIES IN CONNECTICUT THIS MORNING...EXCEPT POSSIBLY
NEAR THE MASSACHUSETTS BORDER

HOWEVER...A COOL AIR MASS WILL STILL RESIDE OVER SOUTHERN NEW ENGLAND
TONIGHT AND MUCH LESS CLOUDINESS IS EXPECTED AFTER ANY SCATTERED
AFTERNOON OR SPRINKLES END.

TEMPERATURES WEDNESDAY MORNING SHOULD BE SEVERAL DEGREES COOLER
THAN THE VALUES OF EARLY THIS MORNING.

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.

&&

$$

BELK
858 
WWUS71 KBOX 132016
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
416 PM EDT TUE APR 13 2010

...AREAS OF FROST LIKELY LATE TONIGHT AND EARLY WEDNESDAY...

CTZ002>004-MAZ007-017>023-RIZ001>003-006-140430-
/O.CON.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
WASHINGTON RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...
FALMOUTH...PROVINCETOWN...VINEYARD HAVEN...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...NARRAGANSETT...WESTERLY
416 PM EDT TUE APR 13 2010

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT
WEDNESDAY. 

A COOL AIR MASS WILL STILL RESIDE ACROSS SOUTHERN NEW ENGLAND TONIGHT
AND MUCH LESS CLOUDINESS IS EXPECTED. AREAS OF FROST ARE ONCE AGAIN
EXPECTED ACROSS THE HIGHER TERRAIN AS WELL AS OUTLYING SUBURBS.

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.

&&

$$

BELK
299 
WWUS71 KBOX 140226
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1026 PM EDT TUE APR 13 2010

...AREAS OF FROST LIKELY LATE TONIGHT AND EARLY WEDNESDAY...

CTZ002>004-MAZ007-017>023-RIZ001>003-006-141030-
/O.CON.KBOX.FR.Y.0002.100414T0500Z-100414T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
WASHINGTON RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...
FALMOUTH...PROVINCETOWN...VINEYARD HAVEN...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...NARRAGANSETT...WESTERLY
1026 PM EDT TUE APR 13 2010

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

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY. 

AREAS OF FROST ARE ONCE AGAIN EXPECTED IN MUCH OF THE COUNTRYSIDE OF
SOUTHERN NEW ENGLAND.  

AT 10 PM...TEMPERATURES WERE VERY SIMILAR TO THE VALUES OF 24 HOURS
AGO AND TONIGHT THERE SHOULD NOT BE A HIGH CLOUD SHIELD INVADING
CONNECTICUT AND RHODE ISLAND.

WEDNESDAY MORNINGS LOWS SHOULD BE AS COLD OR SLIGHTLY COLDER THAN
THAN THEY WERE EARLY TUESDAY.

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.

&&

$$
991 
WWUS71 KBOX 140309
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1109 PM EDT TUE APR 13 2010

...AREAS OF FROST LIKELY LATE TONIGHT AND EARLY WEDNESDAY...

MAZ024-141115-
/O.EXB.KBOX.FR.Y.0002.100414T0309Z-100414T1200Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
1109 PM EDT TUE APR 13 2010

...FROST ADVISORY IN EFFECT UNTIL 8 AM EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM EDT WEDNESDAY. 

AREAS OF FROST ARE ONCE AGAIN EXPECTED IN MUCH OF THE COUNTRYSIDE
OF SOUTHERN NEW ENGLAND INCLUDING NANTUCKET ISLAND.

AT 11 PM...TEMPERATURES WERE ALREADY LOWER THAN 24 HOURS AGO OVER
MOST OF RHODE ISLAND AND EASTERN MASSACHUSETTS...INCLUDING CAPE COD
AND THE ISLANDS.

WEDNESDAY MORNINGS LOWS WILL PROBABLY BE AS COLD OR COLDER THAN THAN
THEY WERE EARLY TUESDAY.

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.

&&

$$

CTZ002>004-MAZ007-017>023-RIZ001>003-006-141115-
/O.EXT.KBOX.FR.Y.0002.100414T0309Z-100414T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
WASHINGTON RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...
FALMOUTH...PROVINCETOWN...VINEYARD HAVEN...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...NARRAGANSETT...WESTERLY
1109 PM EDT TUE APR 13 2010

...FROST ADVISORY NOW IN EFFECT UNTIL 8 AM EDT WEDNESDAY...

THE FROST ADVISORY IS NOW IN EFFECT UNTIL 8 AM EDT WEDNESDAY. 

AREAS OF FROST ARE ONCE AGAIN EXPECTED IN MUCH OF THE COUNTRYSIDE
OF SOUTHERN NEW ENGLAND.

AT 11 PM...TEMPERATURES WERE SIMILAR TO THE VALUES OF 24 HOURS
AGO IN WESTERN MASSACHUSETTS AND NORTHERN CONNECTICUT BUT COLDER
THAN 24 HOURS AGO OVER MOST OF RHODE ISLAND AND EASTERN MASSACHUSETTS.

WEDNESDAY MORNINGS LOWS SHOULD BE AS COLD OR SLIGHTLY COLDER THAN
THAN THEY WERE EARLY TUESDAY.

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.

&&

$$


DRAG
208 
WWUS71 KBOX 140844
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
444 AM EDT WED APR 14 2010

...A FROSTY MORNING SOUTHERN NEW ENGLAND...

CTZ002>004-MAZ007-017>024-RIZ001>003-006-141200-
/O.CON.KBOX.FR.Y.0002.000000T0000Z-100414T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
WESTERN KENT RI-WASHINGTON RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...
FALMOUTH...PROVINCETOWN...VINEYARD HAVEN...NANTUCKET...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...NARRAGANSETT...
WESTERLY
444 AM EDT WED APR 14 2010

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING FOR
MUCH OF NORTHERN CONNECTICUT...MUCH OF RHODE ISLAND EXCEPT NOT THE
URBAN CENTERS NOR ADJACENT NARRAGANSETT BAY. THE FROST ADVISORY ALSO 
COVERS SOUTHEAST MASSACHUSETTS...CAPE COD AND THE ISLANDS AND COASTAL
ESSEX COUNTY OF NORTHEAST MASSACHUSETTS.

AREAS OF FROST ARE AGAIN IN PROGRESS DURING THE PREDAWN HOURS AND IT
APPEARS TO BE A LITTLE MORE WIDESPREAD THAN EARLY YESTERDAY.

READINGS JUST BEFORE 5 AM WERE GENERALLY IN THE UPPER 20S TO MID 30S
EXCEPT WARMER IN THE URBAN CENTERS. 

THE FROST WILL QUICKLY END BETWEEN 7 AND 8 AM AS TEMPERATURES RISE
RAPIDLY.

A MUCH WARMER AFTERNOON SHOULD LIMIT THE DURATION AND EXTENT OF ANY
REPEAT FROST EPISODE THIS COMING WEDNESDAY NIGHT AND EARLY THURSDAY...
THOUGH ITS POSSIBLE AN ADVISORY MAY NEED TO BE ISSUED FOR A FEW LOCATIONS
IN SOUTHEAST MASSACHUSETTS.


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.

&&

$$


DRAG
148 
WWUS71 KBOX 141158
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
758 AM EDT WED APR 14 2010

CTZ002>004-MAZ007-017>024-RIZ001>003-006-141300-
/O.EXP.KBOX.FR.Y.0002.000000T0000Z-100414T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
WESTERN KENT RI-WASHINGTON RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...
FALMOUTH...PROVINCETOWN...VINEYARD HAVEN...NANTUCKET...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...NARRAGANSETT...
WESTERLY
758 AM EDT WED APR 14 2010

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

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

TEMPERATURES WILL RISE QUICKLY THIS MORNING WITH PLENTY OF SUNSHINE.
ANY FROST WILL DISSIPATE BY 9 AM.

$$

What forecasters said that day

The local office's own words before this frost 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 frost advisory went out at Apr 13, 4:45 AM EDT, 15 minutes earlier.

Area forecast discussion, Apr 13, 4:45 AM EDT, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
445 AM EDT TUE APR 13 2010

.SYNOPSIS...
HIGH PRESSURE OVER THE NORTHEAST THROUGH WED. THEN A STRONG WARM FRONT
FORMS ON THU FROM NEW YORK CITY INTO SOUTH CENTRAL CANADA. THEREAFTER...
A SLOW MOVING LOW PRESSURE SYSTEM WILL MOVE SOUTHEAST ALONG A WARM
FRONT EVENTUALLY MOVING TO THE EAST OF CAPE COD THIS WEEKEND.
THE LOW WILL STILL LINGER JUST OFFSHORE EARLY NEXT WEEK. THE RESULT
WILL BE COOLER AND UNSETTLED WEATHER THU NIGHT THROUGH SAT WITH RATHER
COOL AND POSSIBLY SHOWERY WEATHER LINGERING SUN AND PERHAPS NEXT MON.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
FROSTY AT THE NWS AT 4 AM...MAINLY CARS SO FAR.

DRY THIS MORNING WITH AREAS OF FROST...MAINLY NE CT...COUNTRYSIDES
OF RI MASS AND S NH. PATCHY DENSE FOG SE MASS ETM DUE TO SHALLOW
SEABREEZE PERMITTED MOISTURE FROM EARLIER THIS PAST MONDAY AFTN
COMBINED WITH THE RAD COOLING.

KACK AND HFD COUNTY DROPPED FROM THE FROST ADVY...THE LATTER DUE TO
HIGH CLOUD. DONT THINK MUCH FROST IS OCCURRING IN TOLLAND COUNTY BUT
LEFT THAT COUNTY IN THE REMAINING ADVY.

21Z SREF PROBS USED FOR THIS INITIAL DRAFT OF THE FCST.  HOWEVER...
THE 03Z/13 SREF POPS ARE HIGHER AND THE 00Z/13 EC HAS 0.10 IN CT.

OUR POPS MAY NEED BOOSTING IN THE LATE MORNING UPDATE.

AT LEAST SPRINKLES ANTICIPATED FOR PTNS OF THE FA...ESP CT AND SW MA.
00Z NAM/GFS/UK ALL HINTING. 00Z/13 RGEM GGEM DRY. 00Z EC IS SHOWERY
17Z-23Z. COMBO OF 500MB SHEAR SHORT WAVE AND THE EDGE OF MOISTURE
POOL SAGGING SEWD THRU PA SHOULD PRODUCE SPRINKLES THIS AFTN IN THE
INTERIOR.

WE DID SEE QUITE A BIT OF VIRGA OVER SE MASS LATE MON AFTN AND EVEN A
SPRINKLE AT THE CQX ASOS /IJD SPRINKLE EARLIER IN THE AFTN SEEMS
SOMEWHAT SUSPICIOUS BUT COULDNT COMPLETELY RULE IT OUT OF THE RTP/

THAT VIRGA WAS PARTIALLY ASSTD WITH A 17C T1-T5 NAM LAPSE RATE.
THESE LAPSE RATES MAY INCREASE SLIGHTLY IN THE INTERIOR TODAY.

NOTICED TT BECOME QUITE LARGE THIS AFTN OVER 54C.

IN ANY CASE THE CI SHIELD THIS MORNING SAGS SSEWD THIS AFTN PERMITTING
HEATING AND POOL OF MID LVL INSTABILITY TO PROGRESS SSEWD ACROSS THE
INTERIOR.

MAX TEMPS TDY MAY NEED TO BE TRIMMED A COUPLE OF DEGS?

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM WEDNESDAY/...
TONIGHT...ANOTHER FROSTY NIGHT AND ISSUED A FROST ADVY FOR PTNS OF
THE REGION. STATEMENT POSTS SHORTLY.

WED...A PARTLY TO MOSTLY SUNNY MILDER DAY WITH GUSTY MID AFTN WNW
WINDS TO NEAR 23 KTS AHD OF A COOL FRONT. DEEP DRY INSTABILITY.

TEMPS TONIGHT AND WED WERE A 50 50 BLEND OF THE 00Z MAVMOSGUIDE BC
WITH MET NAM. THESE WERE CKD AGAINST 850 TEMP POTENTIAL WITH DEEPER
MIXG WED ON A SUNNIER WEDNESDAY AND WNW DOWNSLOPE. ALSO CKD AGAINST
2M TEMPS FM THE GFS/NAM RGEM AND ECMWF/UKMET.

SKYCOVER THRU WED WAS A 40 30 30 BLEND OF 00Z NAM RH/RGEM SKY AND
12Z GFS MOS GUIDE.

WINDS WERE A 40 30 30 BLEND OF 00Z/13 METMOS/MAVMOS AND RGEM 2M WINDS.

GUSTS WERE NAM MXG AND GUST ALG USING THE FCST SFC TEMPS.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...
FAIR AND DRY WEDNESDAY INTO THURSDAY MORNING...THEN A PERIOD OF
COOL AND UNSETTLED WEATHER EXPECTED FOR THE END OF THE WEEK.

WEDNESDAY NIGHT...THE UPPER LEVEL TROUGH REMAINS ACROSS THE CANADIAN
MARITIMES ALLOWING FOR ANTICYCLONIC FLOW TO REMAIN ACROSS SOUTHERN
NEW ENGLAND. PERIODIC CIRRUS CLOUDS WILL DEVELOP AHEAD OF LOW
PRESSURE ENTERING THE GREAT LAKES REGION. OTHERWISE A DRY AND COOL
NIGHT EXPECTED.

THURSDAY...A BACKDOOR COOL FRONT WILL APPROACH FROM THE NORTH DURING
THE DAY. THIS WILL ALLOW WINDS TO SHIFT ALONG THE COAST...COOLING
TEMPERATURES ALONG THE COAST DURING THE AFTERNOON HOURS. HIGH CLOUDS
WILL CONTINUE TO THICKEN AS HIGH LEVEL MOISTURE DUE TO WARM AIR
ADVECTION ALOFT ADVANCING FROM THE GREAT LAKES REGION. STILL EXPECTING
HIGHS TO RANGE AT LEAST 5 DEGREES ABOVE NORMAL ACROSS MANY AREAS
BEFORE MARITIME AIR BEGINS TO OVERSPREAD THE REGION DURING THE LATE
AFTERNOON AND EVENING.

REGARDING THE TIMING OF PRECIPITATION...THE NAM APPEARS TO BRING
MORE POTENT SHORT WAVE ENERGY SOUTHEASTWARD ACROSS THE OFFSHORE
WATERS ALLOWING FOR A DELAY IN THE BREAKDOWN OF THE UPPER LEVEL
RIDGE...WHILE THE GFS...UKMET AND ECMWF ARE MORE PROGRESSIVE
IN BREAKING DOWN THE UPPER LEVEL RIDGE AND THIS ALLOWS FOR SOME
PRECIPITATION TO REACH THE WESTERN ZONES BY EVENING AHEAD OF THE WARM
FRONT. HAVE LOW CHANCE POPS ADVERTISED FOR THE WESTERN ZONES BY EVENING.

THURSDAY NIGHT THROUGH FRIDAY...SHORT WAVE ENERGY ADVANCES SOUTHEAST
FROM THE GREAT LAKES REGION. IN ADDITION MID LEVEL FRONTOGENESIS AND
A DEVELOPING LOW LEVEL SOUTHEASTERLY JET WILL BRING THE LIFT
NECESSARY ALONG THE WARM FRONTAL BOUNDARY TO SUPPORT A ROUND OF
PRECIPITATION TO THE REGION. TEMPERATURES WILL INITIALLY BE COLD
ENOUGH THURSDAY NIGHT TO ALLOW SOME WET SNOW TO MIX IN ACROSS THE
WORCESTER HILLS AND MONADNOCKS OF SOUTHERN NEW HAMPSHIRE. HAVE
LIKELY POPS ADVERTISED ACROSS MOST OF THE AREA...EXCEPT CHANCE POPS
EAST.

SATURDAY AND SATURDAY NIGHT...A WAVE OF LOW PRESSURE IS EXPECTED TO
FORM ALONG THE FRONTAL BOUNDARY...AND BRING A PERIOD OF RAIN...MIXED
WITH WET SNOW AT TIMES ACROSS THE INTERIOR HIGH TERRAIN. HAVE LIKELY
POPS ADVERTISED FOR SATURDAY...LOWERING TO CHANCE POPS SATURDAY
NIGHT.

SUNDAY AND MONDAY...SOME DIFFERENCES EVEOLVE AMONGST THE LONG RANGE
GUIDANCE AND ENSEMBLES REGARDING THE DEPARTURE TIME OF LOW PRESSURE
AND THE PARENT UPPER LEVEL LOW. HAVE CONTINUED THE MENTION OF CHANCE
POPS SUNDAY FOR LEFTOVER INSTABILITY SHOWERS...THEN SLIGHT CHANCE
POPS MONDAY.

&&

.AVIATION /09Z TUESDAY THROUGH SATURDAY/...
BEFORE 13Z...PATCHY COUNTRYSIDE AIRFIELD LIFR ON SHALLOW FOG...MAINLY
VALLEYS AND SE MASS. OTRW CIGS ABV 10000 FT SW HALF OF MASS THRU CT
AND RI.

TODAY AFTER 13Z...HIGH CONFIDENCE FOR VFR CONDITIONS. LIGHT AND VARIABLE
WINDS INLAND PROBABLY BECOME SLY THIS AFTN WITH WINDS BECOMING
ONSHORE AT BOS/PVD/HYA/FMH AND ACK BY 11AM. GUSTS TO NR 15 KTS
EXPECTED AT BOS THIS AFTN.

CIGS ABV 10000 FT S OF THE MASS PIKE...ESP IN CT AND SW RI THIS MORNING.
THIS AFTN A BKN DECK NR 6000 FT SHOULD DEVELOP FM NNW TO SSE.
SCT LIGHT TO MDT SHOWERS ARE EXPECTED ...MOST LIKELY ORH HILLS W TO THE
ESLOPES OF THE BERKS AND SWD MOVING MID AND LATE AFTN PER 03Z SREF/
AND 00Z VSNS OF THE EC/NAM AND GFS.

TONIGHT...VFR BECOMING CLEAR. LIGHT WINDS. PATCHY COUNTRYSIDE IFR
FOG POSSIBLE IN THE 07Z-11Z TIME FRAME. FROSTY LATE. BETTER CHC OF
FROST IN HFD COUNTY WITH NO CI SHIELD.

WED...VFR. HIGH CONFIDENCE. WNW WIND GUSTS INCREASE TO BETWEEN 18-23
KTS IN THE AFTN PROBABLY ALL THE WAY TO THE COAST.

OUTLOOK...WEDNESDAY NIGHT THROUGH SATURDAY...

WEDNESDAY NIGHT THROUGH SATURDAY...HIGH CONFIDENCE VFR.

WEDNESDAY NIGHT...VFR.

THURSDAY...VFR. LOW TO MEDIUM CONFIDENCE MVFR CEILINGS WESTERN AND
CENTRAL TERMINALS AFT 21Z...WITH MEDIUM TO HIGH CONFIDENCE AFT 00Z
FRIDAY. CHC SHOWERS IN THE AFTERNOON. RAIN WITH SOME WET SNOW MIXED
ACROSS THE HIGH TERRAIN THU NIGHT.

FRIDAY AND SATURDAY...MEDIUM TO HIGH CONFIDENCE IFR CEILINGS AND
MVFR VSBYS. PERIODS OF RAIN...DRIZZLE AND FOG. SOME SNOW MIXED WITH
THE RAIN PERHAPS ACROSS THE INTERIOR HIGH TERRAIN FRIDAY NIGHT
AND SATURDAY NIGHT.

&&

.MARINE...
TODAY AND TONIGHT... HIGH PRES OVERHEAD WILL PROVIDE LIGHT WINDS
WITH LOCAL SEA BREEZES NEAR SHORE. TRANQUIL SEAS EXPECTED ALONG WITH
GOOD VSBY.

WED...GUSTY NEARSHORE WNW WINDS E MASS AND FROM THE SW ALONG THE S
COAST WITH SPEEDS TO NR 23 KTS IN THE AFTN. LOW PROB AN SCA MAY BE
NEEDED NR SHORE WATERS DURING MID OR LATE AFTN?

OUTLOOK...WEDNESDAY NIGHT THROUGH SATURDAY...

WEDNESDAY NIGHT THROUGH THURSDAY...RELATIVELY LIGHT WINDS AND SEAS.

THURSDAY NIGHT THROUGH SATURDAY...WILL NOTE SEAS BUILDING THROUGH THE
PERIOD AS EASTERLY SWELL INCREASES. SHOULD NOTE SEAS BUILDING TO 5 FEET
OR HIGHER BEGINNING FRIDAY AFTERNOON...PERHAPS UP TO 10 FEET BY
SATURDAY. E WINDS GUSTING TO 25 KT BEGINNING FRI AFTERNOON AND PERHAPS
UP TO 30 KT SATURDAY.

&&

.FIRE WEATHER...
AN INCREASED RISK OF FIRE DANGER WED AFTN DUE TO RECENT DRYSPELL AND
COMBINED LOW RH...AND WNW WIND GUSTS TO NR 25 MPH DURING MID AFTN.
NEEDS REEVALUATION DURING THE DAY SHIFT.

&&

.EQUIPMENT...
KBOX WSR-88D WILL BE DOWN FOR MAINTENANCE DURING THE DAYLIGHT HOURS TODAY.
WE APOLOGIZE FOR ANY INCONVENIENCE.

&&

.CLIMATE...
BLUE HILL OBSERVATORY /MQE/ REFERENCE... WARMEST ON RECORD FIRST 11 DAYS.
MAX'S AND MEAN WELL ABOVE THE FIRST 11 DAYS OF APRIL 1991 AND THE
DAILY MINS WELL ABOVE THE PREVIOUS WARMEST MINS OF THE FIRST 11 DAYS
OF APRIL 1981.  PERIOD OF RECORD /POR/ DATES BACK TO 1885.

&&

.EQUIPMENT...
KBOX WSR-88D WILL BE DOWN FOR MAINTENANCE DURING THE DAYLIGHT HOURS TODAY.
WE APOLOGIZE FOR ANY INCONVENIENCE.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...FROST ADVISORY UNTIL 8 AM EDT THIS MORNING FOR CTZ003-004.
     FROST ADVISORY FROM 1 AM TO 8 AM EDT WEDNESDAY FOR CTZ002>004.
MA...FROST ADVISORY UNTIL 8 AM EDT THIS MORNING FOR MAZ007-017>023.
     FROST ADVISORY FROM 1 AM TO 8 AM EDT WEDNESDAY FOR MAZ007-
     017>023.
NH...NONE.
RI...FROST ADVISORY UNTIL 8 AM EDT THIS MORNING FOR RIZ001-003-006.
     FROST ADVISORY FROM 1 AM TO 8 AM EDT WEDNESDAY FOR RIZ001>003-
     006.
MARINE...NONE.

&&

SYNOPSIS...DRAG/STRAUSS
NEAR TERM...DRAG
SHORT TERM...DRAG
LONG TERM...STRAUSS
AVIATION...DRAG/STRAUSS
MARINE...DRAG/STRAUSS
FIRE WEATHER...
CLIMATE...
EQUIPMENT...
Hazardous weather outlook, Apr 13, 4:56 AM EDT, 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
456 AM EDT TUE APR 13 2010

MAZ002>006-008>016-024-026-NHZ011-012-015-RIZ004-005-007-008-140900-
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN 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-NANTUCKET MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-EASTERN KENT RI-BRISTOL RI-
NEWPORT RI-BLOCK ISLAND RI-
456 AM EDT TUE APR 13 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL
MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN
MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS...WESTERN
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...WEDNESDAY THROUGH MONDAY.

THERE IS A LOW PROBABILITY OF ENHANCED FIRE DANGER MID AND LATE
WEDNESDAY AFTERNOON NORTH OF THE MASSACHUSETTS TURNPIKE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ003-004-MAZ007-017>023-RIZ001-003-006-140900-
TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NORTHWEST PROVIDENCE RI-
WESTERN KENT RI-WASHINGTON RI-
456 AM EDT TUE APR 13 2010

...FROST ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN
MASSACHUSETTS...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FROST ADVISORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FROST ADVISORY.

AREAS OF FROST ARE ALSO LIKELY LATE WEDNESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ002-RIZ002-140900-
HARTFORD CT-SOUTHEAST PROVIDENCE RI-
456 AM EDT TUE APR 13 2010

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

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT AND
NORTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FROST ADVISORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FROST ADVISORY.

AREAS OF FROST ARE ALSO POSSIBLE LATE WEDNESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230>237-250-251-254>256-140900-
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-
456 AM EDT TUE APR 13 2010

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...WEDNESDAY THROUGH MONDAY.

LOW PROBABILITY GALE FORCE E WIND GUSTS SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

Nearby

Frost Advisories in Massachusetts, 2010Frost Advisories in Rhode Island, 2010Frost Advisories in Connecticut, 2010Every frost advisory in 2010

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.