Alert archive / Massachusetts / Wind Chill Advisories in 2007

Wind Chill Advisory 4, NWS Boston/Norton, MA

March 5, 20074 states

NWS Boston/Norton, MA issued this wind chill advisory at Mar 5, 2007, 4:02 AM EST for 4 states. It took effect at Mar 5, 2007, 4:17 PM EST. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
Mar 5, 2007, 4:02 AM EST (09:02 UTC)
In effect from
Mar 5, 2007, 4:17 PM EST
Expired
Mar 7, 2007, 2:20 AM EST
In force
34 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH, Bristol County, RI, Kent County, RI, Providence County, RI

The radar

The Boston radar (KBOX), 55 km from the middle of the area, began a volume at 08:59 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 156 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 2007-03-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2007-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1448 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
40 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.

000 
WWUS41 KBOX 050902
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
402 AM EST MON MAR 5 2007

CTZ002>004-MAZ005>007-010>016-026-NHZ012-RIZ001-051700-
/O.NEW.KBOX.WC.Y.0004.070306T0500Z-070306T1500Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...
WORCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
AYER...MANCHESTER...NASHUA...FOSTER...SMITHFIELD
402 AM EST MON MAR 5 2007

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST
TUESDAY. 

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO SOUTHERN
NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL TO BETWEEN
ZERO AND 5 ABOVE TOWARD DAYBREAK TUESDAY. THIS BITTER COLD COMBINED
WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS OF 15 TO 20 BELOW ZERO FOR SEVERAL
HOURS LATE TONIGHT AND TUESDAY MORNING.

TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO REACH THE LOWER TO MID
TEENS. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH WILL KEEP WIND
CHILLS BELOW ZERO ALL DAY.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS. 
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

MAZ017>019-RIZ002>005-051700-
/O.NEW.KBOX.WC.Y.0004.070306T0500Z-070306T1500Z/
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-
INCLUDING THE CITIES OF...TAUNTON...BROCKTON...PLYMOUTH...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL
402 AM EST MON MAR 5 2007

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST
TUESDAY. 

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO SOUTHERN
NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL TO BETWEEN
5 AND 10 ABOVE ZERO TOWARD DAYBREAK TUESDAY. THIS BITTER COLD
COMBINED WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT
IN WIND CHILLS APPROACHING 15 BELOW ZERO LATE TONIGHT AND TUESDAY
MORNING.

TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO REACH THE UPPER TEENS.
GUSTY NORTHWEST WINDS WILL CONTINUE WHICH WILL KEEP WIND CHILLS FROM
GETTING MUCH ABOVE ZERO ALL DAY.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 FOR AT LEAST 3 HOURS. FROSTBITE CAN DEVELOP IN
JUST 30 MINUTES WITH A WIND CHILL INDEX OF -20. IF YOU ARE HEADING
OUTDOORS...DRESS IN LAYERS AND WEAR A HAT AND GLOVES.

$$

MAZ002>004-008-009-NHZ011-015-051700-
/O.NEW.KBOX.WC.A.0001.070306T0500Z-070306T1500Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-CHESHIRE NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...JAFFREY...KEENE...
PETERBOROUGH...WEARE
402 AM EST MON MAR 5 2007

...WIND CHILL WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING. 

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO SOUTHERN
NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL TO BETWEEN
ZERO AND 5 BELOW TOWARD DAYBREAK TUESDAY. THIS BITTER COLD COMBINED
WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS OF 20 TO 30 BELOW ZERO FOR SEVERAL
HOURS LATE TONIGHT AND TUESDAY MORNING.

TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO BETWEEN 5 AND 10
DEGREES. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH WILL KEEP WIND
CHILLS WELL BELOW ZERO ALL DAY.

A WIND CHILL WATCH IS ISSUED WHEN THERE IS THE POTENTIAL FOR WIND
CHILLS TO FALL TO -25 DEGREES OR COLDER FOR AT LEAST 3 HOURS. A WIND
CHILL INDEX BELOW -30 CAN BRING ON FROSTBITE IN AS LITTLE AS 10
MINUTES. OUTDOOR EXPOSURE SHOULD BE LIMITED IN THESE CONDITIONS.

$$

KJC
7 follow-up statements
000 
WWUS41 KBOX 051602
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1102 AM EST MON MAR 5 2007

CTZ002>004-MAZ005>007-010>016-026-NHZ012-RIZ001-052130-
/O.CON.KBOX.WC.Y.0004.070306T0500Z-070306T1500Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...
WORCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
AYER...MANCHESTER...NASHUA...FOSTER...SMITHFIELD
1102 AM EST MON MAR 5 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EST TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10
AM EST TUESDAY ACROSS SOUTH CENTRAL NEW HAMPSHIRE...MUCH OF NORTHERN
CONNECTICUT...NORTHERN RHODE ISLAND AND PARTS OF MASSACHUSETTS EXCLUDING
THE SOUTH COAST.

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO SOUTHERN
NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL TO BETWEEN
ZERO AND 5 ABOVE TOWARD DAYBREAK TUESDAY. THIS BITTER COLD COMBINED
WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS OF 15 TO 20 BELOW ZERO FOR SEVERAL HOURS
TUESDAY MORNING.

TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO REACH THE LOWER TO
MID TEENS. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH WILL KEEP
WIND CHILLS BELOW ZERO ALL DAY.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

MAZ017>019-RIZ002>005-052130-
/O.CON.KBOX.WC.Y.0004.070306T0500Z-070306T1500Z/
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-
INCLUDING THE CITIES OF...TAUNTON...BROCKTON...PLYMOUTH...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL
1102 AM EST MON MAR 5 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EST TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10
AM EST TUESDAY FOR CENTRAL RHODE ISLAND AND SOUTHEAST MASSACHUSETTS.

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO SOUTHERN
NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL TO BETWEEN 5
AND 10 ABOVE ZERO TOWARD DAYBREAK TUESDAY. THIS BITTER COLD COMBINED
WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN WIND
CHILLS APPROACHING 15 BELOW ZERO LATE TONIGHT AND TUESDAY MORNING.

TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO REACH THE UPPER
TEENS. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH WILL KEEP WIND
CHILLS FROM GETTING MUCH ABOVE ZERO ALL DAY.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 FOR AT LEAST 3 HOURS. FROSTBITE CAN DEVELOP
IN JUST 30 MINUTES WITH A WIND CHILL INDEX OF -20. IF YOU ARE
HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A HAT AND GLOVES.

$$

MAZ002>004-008-009-NHZ011-015-052130-
/O.CON.KBOX.WC.A.0001.070306T0500Z-070306T1500Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-CHESHIRE NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...JAFFREY...KEENE...
PETERBOROUGH...WEARE
1102 AM EST MON MAR 5 2007

...WIND CHILL WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...

A WIND CHILL WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING IN SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS...
ESPECIALLY THE HIGHER TERRAIN.

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO
SOUTHERN NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL
TO BETWEEN ZERO AND 5 BELOW TOWARD DAYBREAK TUESDAY. THIS BITTER
COLD COMBINED WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL
RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 TO 30 BELOW ZERO FOR
SEVERAL HOURS LATE TONIGHT AND TUESDAY MORNING.

TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO BETWEEN 5 AND 10
DEGREES. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH WILL KEEP WIND
CHILLS WELL BELOW ZERO ALL DAY.

A WIND CHILL WATCH IS ISSUED WHEN THERE IS THE POTENTIAL FOR WIND
CHILLS TO FALL TO -25 DEGREES OR COLDER FOR AT LEAST 3 HOURS. A
WIND CHILL INDEX BELOW -30 CAN BRING ON FROSTBITE IN AS LITTLE AS
10 MINUTES. OUTDOOR EXPOSURE SHOULD BE LIMITED IN THESE
CONDITIONS.

$$

DRAG
000 
WWUS41 KBOX 052117
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
417 PM EST MON MAR 5 2007

MAZ007-013>019-NHZ012-RIZ001>005-052230-
/O.CAN.KBOX.WC.Y.0004.070306T0500Z-070306T1500Z/
EASTERN ESSEX MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-EASTERN HILLSBOROUGH NH-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-BRISTOL RI-
INCLUDING THE CITIES OF...GLOUCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH...
MANCHESTER...NASHUA...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK...BRISTOL
417 PM EST MON MAR 5 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELED THE WIND
CHILL ADVISORY. 

STRONG NORTHWEST WINDS BLOWING INTO SOUTHERN NEW ENGLAND WILL BRING
ARCTIC COLD TONIGHT AND TUESDAY. THE COMBINATION OF THE WIND AND THE
VERY COLD TEMPERATURES WILL BRING SUBZERO WIND CHILLS. VALUES WILL
REACH 10 TO 12 BELOW ZERO...AND IT IS POSSIBLE A FEW SPOTS WILL BRIEFLY
TOUCH 15 BELOW ZERO.  

WHILE NOT COLD ENOUGH FOR A WIND CHILL ADVISORY...THIS WILL STILL BE
A BITTER CHILL AND MAY STILL THREATEN FROSTBITE FOR PEOPLE WHO ARE
NOT DRESSED PROPERLY TONIGHT AND TUESDAY.

$$

NHZ011-015-052230-
/O.CAN.KBOX.WC.A.0001.070306T0500Z-070306T1500Z/
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE...PETERBOROUGH...WEARE
417 PM EST MON MAR 5 2007

...WIND CHILL WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELED THE WIND
CHILL WATCH. 

STRONG NORTHWEST WINDS BLOWING INTO SOUTHERN NEW ENGLAND WILL BRING
ARCTIC COLD TONIGHT AND TUESDAY. THE COMBINATION OF THE WIND AND THE
VERY COLD TEMPERATURES WILL BRING SUBZERO WIND CHILLS. VALUES WILL
REACH 10 TO 15 BELOW ZERO...AND IT IS POSSIBLE A FEW SPOTS WILL BRIEFLY
TOUCH 20 BELOW ZERO ESPECIALLY ON EXPOSED HILLTOPS.

WHILE NOT COLD ENOUGH FOR A WIND CHILL ADVISORY...THIS WILL STILL BE
A BITTER CHILL AND MAY STILL THREATEN FROSTBITE FOR PEOPLE WHO ARE
NOT DRESSED PROPERLY TONIGHT AND TUESDAY. IF YOU GO OUT...WEAR SEVERAL
LAYERS OF LOOSE FITTING CLOTHING. ALSO WEAR A HAT AND GLOVES.

$$

MAZ002>004-008-009-060530-
/O.UPG.KBOX.WC.A.0001.070306T0500Z-070306T1500Z/
/O.EXA.KBOX.WC.Y.0004.070306T0500Z-070306T1500Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD
417 PM EST MON MAR 5 2007

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST
TUESDAY. THE WIND CHILL WATCH IS NO LONGER IN EFFECT. 

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO SOUTHERN
NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL TO BETWEEN
ZERO AND 5 BELOW TOWARD DAYBREAK TUESDAY. THIS BITTER COLD COMBINED
WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS OF 15 TO 25 BELOW ZERO FOR SEVERAL HOURS
LATE TONIGHT AND TUESDAY MORNING.

DAYTIME TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO REACH BETWEEN 5
AND 10 DEGREES ABOVE ZERO. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH
WILL KEEP WIND CHILLS WELL BELOW ZERO ALL DAY.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS. 
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

CTZ002>004-MAZ005-006-010>012-026-060530-
/O.CON.KBOX.WC.Y.0004.070306T0500Z-070306T1500Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...AYER
417 PM EST MON MAR 5 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EST TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EST TUESDAY. 

AN ARCTIC COLD FRONT WILL DELIVER A BITTER COLD AIRMASS TO
SOUTHERN NEW ENGLAND TONIGHT AND TUESDAY. TEMPERATURES WILL FALL
TO BETWEEN ZERO AND 5 ABOVE TOWARD DAYBREAK TUESDAY. THIS BITTER
COLD COMBINED WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL
RESULT IN DANGEROUSLY COLD WIND CHILLS OF 15 TO 20 BELOW ZERO FOR
SEVERAL HOURS TUESDAY MORNING.

TEMPERATURES ON TUESDAY ARE ONLY EXPECTED TO REACH THE LOWER TO
MID TEENS. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH WILL KEEP
WIND CHILLS BELOW ZERO ALL DAY.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

WTB
000 
WWUS41 KBOX 060530
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1230 AM EST TUE MAR 6 2007

CTZ002>004-MAZ002>006-008>012-026-061500-
/O.CON.KBOX.WC.Y.0004.000000T0000Z-070306T1500Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-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-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD...
MILFORD...WORCESTER...AYER
1230 AM EST TUE MAR 6 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

ARCTIC AIR WILL PUSH INTO SOUTHERN NEW ENGLAND THROUGH THE EARLY
MORNING HOURS AFTER THE PASSAGE OF A COLD FRONT...WHICH EXITED THE
COAST MONDAY NIGHT. 

TEMPERATURES WILL FALL TO BETWEEN ZERO AND 5 ABOVE TOWARD DAYBREAK
TUESDAY. THIS BITTER COLD...COMBINED WITH SUSTAINED NORTHWEST WINDS
OF 20 TO 30 MPH...WILL RESULT IN DANGEROUSLY COLD WIND CHILLS OF 15
TO 20 BELOW ZERO FOR SEVERAL HOURS THIS MORNING.

TEMPERATURES DURING THE DAYLIGHT HOURS TODAY ARE ONLY EXPECTED TO
REACH THE LOWER TO MID TEENS. GUSTY NORTHWEST WINDS WILL CONTINUE
WHICH WILL KEEP WIND CHILLS BELOW ZERO ALL DAY.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

EVT
000 
WWUS41 KBOX 060938
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
438 AM EST TUE MAR 6 2007

CTZ003-004-061045-
/O.CAN.KBOX.WC.Y.0004.000000T0000Z-070306T1500Z/
TOLLAND CT-WINDHAM CT-
INCLUDING THE CITIES OF...UNION...VERNON...PUTNAM...WILLIMANTIC
438 AM EST TUE MAR 6 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WIND
CHILL ADVISORY. 

WIND CHILL VALUES ACROSS NORTHEASTERN CONNECTICUT RANGED FROM 5
ABOVE TO 10 BELOW ZERO EARLY THIS MORNING...WITH READINGS REMAINING
IN THIS RANGE THROUGHOUT TODAY.

EVEN THOUGH THE WIND CHILL ADVISORY HAS BEEN DISCONTINUED...
CONDITIONS WILL REMAIN VERY COLD THROUGHOUT THE DAY. IF YOU ARE 
HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A HAT AND GLOVES.

$$

CTZ002-MAZ002>006-008>012-026-061830-
/O.EXT.KBOX.WC.Y.0004.000000T0000Z-070306T2300Z/
HARTFORD CT-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-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...CHARLEMONT...
GREENFIELD...ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...
LAWRENCE...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...AYER
438 AM EST TUE MAR 6 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON. 

BITTER COLD EARLY MORNING LOWS...RANGING FROM ZERO TO 5 ABOVE...
COMBINED WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT
IN DANGEROUSLY COLD WIND CHILLS OF 15 TO 20 BELOW ZERO THROUGH THIS
AFTERNOON.

TEMPERATURES DURING THE DAYLIGHT HOURS ARE ONLY EXPECTED TO REACH
THE LOWER TO MID TEENS. GUSTY NORTHWEST WINDS WILL CONTINUE WHICH
WILL KEEP WIND CHILLS BELOW ZERO ALL DAY. THE COLDEST WIND CHILL
READINGS ARE EXPECTED ACROSS THE HIGHER TERRAIN OF THE WORCESTER
HILLS AND THE EASTERN SLOPES OF THE BERKSHIRES.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

EVT
000 
WWUS41 KBOX 061615
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1115 AM EST TUE MAR 6 2007

NHZ012-015-061900-
/O.EXB.KBOX.WC.Y.0004.000000T0000Z-070306T1900Z/
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
1115 AM EST TUE MAR 6 2007

...WIND CHILL ADVISORY IN EFFECT UNTIL 2 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM EST THIS AFTERNOON. 

BITTER COLD TEMPERATURES...RANGING FROM ZERO TO 5 ABOVE...COMBINED
WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS OF 15 TO 24 BELOW ZERO THROUGH THIS
AFTERNOON.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS LIKELY
TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS. FROSTBITE CAN
DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX OF -20. IF YOU ARE
HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A HAT AND GLOVES.

$$

NHZ011-070015-
/O.EXB.KBOX.WC.Y.0004.000000T0000Z-070307T1200Z/
CHESHIRE NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE
1115 AM EST TUE MAR 6 2007

...WIND CHILL ADVISORY IN EFFECT UNTIL 7 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST WEDNESDAY. 

BITTER COLD TEMPERATURES...RANGING FROM ZERO TO 5 ABOVE...COMBINED
WITH SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS OF 15 TO 24 BELOW ZERO THROUGH THIS
AFTERNOON.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

CTZ002-MAZ003-005-006-010>012-026-061900-
/O.EXT.KBOX.WC.Y.0004.000000T0000Z-070306T1900Z/
HARTFORD CT-EASTERN FRANKLIN MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...GREENFIELD...
ORANGE...FRAMINGHAM...LOWELL...LAWRENCE...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...AYER
1115 AM EST TUE MAR 6 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 2 PM EST THIS
AFTERNOON...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 2 PM EST THIS
AFTERNOON. 

BITTER COLD TEMPERATURES...RANGING FROM 5 TO 15 ABOVE...COMBINED WITH
SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN DANGEROUSLY
COLD WIND CHILLS OF 15 TO 20 BELOW ZERO THROUGH THIS AFTERNOON.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$

MAZ002-004-008-009-070015-
/O.EXT.KBOX.WC.Y.0004.000000T0000Z-070307T1200Z/
WESTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...BARRE...FITCHBURG...
CHESTERFIELD...BLANDFORD
1115 AM EST TUE MAR 6 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 7 AM EST WEDNESDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

BITTER COLD TEMPERATURES...RANGING FROM 5 TO 15 ABOVE...COMBINED WITH
SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WILL RESULT IN DANGEROUSLY
COLD WIND CHILLS OF 15 TO 20 BELOW ZERO THROUGH THIS AFTERNOON.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20.  IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A
HAT AND GLOVES.

$$
000 
WWUS41 KBOX 062112
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
412 PM EST TUE MAR 6 2007

MAZ003-005-006-010>014-026-NHZ012-015-070515-
/O.EXB.KBOX.WC.Y.0004.000000T0000Z-070307T0900Z/
EASTERN FRANKLIN MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-NORTHERN MIDDLESEX MA-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...GREENFIELD...ORANGE...FRAMINGHAM...
LOWELL...LAWRENCE...AMHERST...NORTHAMPTON...SPRINGFIELD...
MILFORD...WORCESTER...FOXBORO...NORWOOD...CAMBRIDGE...AYER...
MANCHESTER...NASHUA...PETERBOROUGH...WEARE
412 PM EST TUE MAR 6 2007

...WIND CHILL ADVISORY IN EFFECT UNTIL 4 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST WEDNESDAY. 

BITTERLY COLD TEMPERATURES AROUND ZERO...COMBINED WITH BRISK
WINDS...WILL RESULT IN DANGEROUSLY COLD WIND CHILLS OF 15 TO 24
BELOW ZERO THROUGH TONIGHT.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20. IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A HAT
AND GLOVES.

$$

MAZ002-004-008-009-NHZ011-070515-
/O.EXT.KBOX.WC.Y.0004.000000T0000Z-070307T0900Z/
WESTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-CHESHIRE NH-
INCLUDING THE CITIES OF...CHARLEMONT...BARRE...FITCHBURG...
CHESTERFIELD...BLANDFORD...JAFFREY...KEENE
412 PM EST TUE MAR 6 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 AM EST WEDNESDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 AM EST
WEDNESDAY. 

BITTERLY COLD TEMPERATURES...RANGING FROM ZERO TO AROUND 5 BELOW
COMBINED WITH BRISK WINDS...WILL RESULT IN DANGEROUSLY COLD WIND
CHILLS OF 15 TO 24 BELOW ZERO THROUGH TONIGHT.

A WIND CHILL ADVISORY IS ISSUED WHEN THE WIND CHILL INDEX IS
LIKELY TO REACH -15 TO -24 DEGREES FOR AT LEAST 3 HOURS.
FROSTBITE CAN DEVELOP IN JUST 30 MINUTES WITH A WIND CHILL INDEX
OF -20. IF YOU ARE HEADING OUTDOORS...DRESS IN LAYERS AND WEAR A HAT
AND GLOVES.

$$
000 
WWUS41 KBOX 070720
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
220 AM EST WED MAR 7 2007

MAZ002>006-008>014-026-NHZ011-012-015-070830-
/O.CAN.KBOX.WC.Y.0004.000000T0000Z-070307T0900Z/
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-
NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD...
MILFORD...WORCESTER...FOXBORO...NORWOOD...CAMBRIDGE...AYER...
JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE
220 AM EST WED MAR 7 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WIND
CHILL ADVISORY. 

NORTHWEST WINDS HAVE DIMINISHED TO AROUND 5 TO 10 MPH...THOUGH 
THEY HAVE DROPPED OFF TO NEAR CALM ACROSS THE CONNECTICUT VALLEY OF
SOUTHERN NEW HAMPSHIRE TO NORTH CENTRAL MASSACHUSETTS. WINDS ARE
STILL STIRRING ALONG THE EAST COAST...BUT WIND CHILL VALUES HAVE
GRADUALLY FALLEN TO THE ZERO TO -10 RANGE.

WITH LIGHTER WINDS...TEMPERATURES WILL STILL FALL TO THE SINGLE
DIGITS TO AS LOW AS 10 DEGREES BELOW ZERO ACROSS SOUTHERN NEW
HAMPSHIRE. WITH THIS BITTERLY COLD WEATHER...YOU SHOULD STILL TAKE
PRECAUTIONS FOR HYPOTHERMIA. MAKE SURE YOU WEAR CLOTHING IN
LAYERS...AND WEAR A HAT AND GLOVES.

$$

EVT

What forecasters said that day

The local office's own words before this wind chill 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 wind chill advisory went out at Mar 4, 8:19 PM EST, 7 hours 43 minutes earlier.

Area forecast discussion, Mar 4, 8:19 PM EST, 7 hours 43 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
819 PM EST SUN MAR 4 2007

.EVENING UPDATE...
PREVIOUS FORECAST OVERNIGHT ON TRACK AS ISOLATED SNOW FLURRIES WERE
WINDING DOWN.  GENERALLY EXPECTING SKIES TO BE PARTLY TO MOSTLY
CLOUDY OVERNIGHT AS MODELS SHOWING LOTS OF MID AND HIGH LEVEL
MOISTURE.  A FEW MORE SNOW FLURRIES MAY AFFECT SPILL OVER ONTO THE
EAST SLOPES OF THE BERKSHIRES BUT THAT IS ABOUT IT.  GUIDANCE LOWS
IN THE 20S ACROSS THE REGION LOOK GOOD.

&&

.MARINE UPDATE...
CURRENT MARINE FORECAST IS ON TRACK AS WELL.  DECENT WESTERLY FLOW
AND COLD AIR ALOFT SHOULD PROMOTE EXCELLENT MIXING.  EXPECTING 25 TO
30 KNOT WIND GUSTS FROM THE WEST OVERNIGHT ACROSS MOST OF OUR WATERS.

FRANK

.PREVIOUS DISCUSSION FROM 413 PM...

.SHORT TERM /TONIGHT THROUGH MONDAY NIGHT/...
A WEAK UPPER LEVEL DISTURBANCE COMBINED WITH STEEPENING LOW LEVEL
LAPSE RATES TO BRING CONSIDERABLE CLOUDS TO THE FORECAST AREA THIS
AFTERNOON. THE CLOUDS ARE EXPECTED TO DECREASE THIS EVENING DUE TO
THE LOSS OF DAYTIME HEATING AND THE DEPARTING SHORT WAVE DISTURBANCE.
RECENT WSR88D BASE REFLECTIVITY AND SURFACE OBSERVATIONS INDICATED
SOME VIRGA. PERHAPS A FEW FLURRIES OR SPRINKLES ARE POSSIBLE...BUT
THIS SHOULD BE COMING TO AN END SHORTLY.

A POLAR FRONT WILL BE APPROACHING FROM THE NORTHWEST MONDAY AFTERNOON
THEN CROSS THE FORECAST AREA BY EVENING. THIS APPEARS TO BE A WINDEX
EVENT WITH T1-T3 DELTA T VALUES INCREASING TO 16 CELCIUS...R1 VALUES
NEARING 70 PERCENT WITH A LIFTED INDEX CHANGE OF PLUS 5 TO PLUS 10.
HOWEVER...THE SURFACE LOW IS EXPECTED TO PASS NORTH OF THE FORECAST
AREA AND WOULD LIKE TO SEE SOMEWHAT BETTER LOW LEVEL MOISTURE
CONVERGENCE FOR INCREASED CHANCES OF MEASURABLE PRECIPITATION.
MAIN CONCERN WILL BE THE POTENTIAL FOR SCATTERED SNOW SHOWERS AND
POSSIBLE SQUALLS TO BRING A QUICK COATING OF SNOW TO THE FORECAST
AREA. THUS HAVE CONTINUED THE MENTION OF CHANCE POPS AT THIS TIME
MAINLY FROM 18Z MONDAY TO 00Z TUESDAY.

MUCH COLDER AND DRIER AIR WILL MOVE INTO THE REGION MONDAY NIGHT.
925MB TEMPS DROP TO BETWEEN -20 AND -25C BY DAYBREAK.  LOW
TEMPERATURES WILL BE IN SINGLE DIGITS ACROSS MANY LOCATIONS AND
WIND CHILL READINGS DROPPING INTO THE NEGATIVE SINGLE DIGITS TO
NEGATIVE TEENS. WIND CHILL ADVISORIES MAY BE NECESSARY LATE MONDAY
NIGHT OR TUESDAY.

OCEAN EFFECT SNOW POTENTIAL...BOUNDARY LAYER WIND TRAJECTORY
APPEARS TOO WESTERLY AND SPEEDS STRONG ENOUGH TO LIMIT PARCEL
RESIDENCE TIME...SO THAT MUCH OF DEVELOPING OCEAN EFFECT SNOW
BANDS SHOULD REMAIN OFFSHORE MONDAY NIGHT.

&&

.LONG TERM /TUESDAY THROUGH SUNDAY/...
THE ARCTIC BLAST IS IN FULL FORCE TUESDAY WITH A TIGHT PRESSURE
GRADIENT BETWEEN DEPARTING LOW PRESSURE IN THE MARITIMES AND HIGH
PRESSURE OVER THE GREAT LAKES.  UPPER LOW PRESSURE AND ITS COLD POOL
WILL MOVE OVERHEAD TUESDAY AS WELL.  SO THE DAY SHAPES UP TO BE COLD
AND WINDY.  THE NAM AND GFS CONTINUE TO SHOW -26C TO -28C ALOFT ON
TUESDAY WHILE THE 12Z ECMWF IS A COUPLE OF DEGREES LESS COLD.  THE
TUESDAY MAX TEMP FORECAST WILL EDGE TOWARD THE ECMWF TEMPS ALOFT AND
RANGE FROM THE MID TEENS NORTH TO THE LOWER 20S SOUTH.  THE WINDS
AND COLD AIR WILL COMBINE FOR WIND CHILLS AROUND -20F TO -25F IN THE
NORTHWEST TUESDAY MORNING...THIS WILL EVENTUALLY REQUIRE A WIND
CHILL ADVISORY.

THE WINDS AND COLD AIR WILL ALSO LEAD TO OCEAN EFFECT SNOW SHOWERS
ALONG AND OFFSHORE OF OUTER CAPE COD.  CONDITIONS SHOULD DIMINISH
EARLY WEDNESDAY AS HIGH PRESSURE BUILDS OVER NEW ENGLAND CUTTING OFF
THE PRESSURE RISES AND SHUTTING DOWN THE STRONG FLOW FROM THE NORTH.

LOW PRESSURE RACES OFFSHORE SOUTH OF NEW ENGLAND WEDNESDAY.  THE
BEST CHANCE OF PRECIPITATION WOULD BE ALONG THE SOUTH COAST...NOTE
THE GFS SHOWS A GOOD CORE OF FORCING ACROSS CT/RI/SE MASS WEDNESDAY
AFTERNOON AND EVENING...AND SO OUR HIGHEST (CHANCE) POPS ARE LOCATED
ON THE SOUTH COAST WITH LOWER VALUES TO THE NORTH.

WITH THE OFFSHORE LOW FORECAST TO INTENSIFY...THE PRESSURE GRADIENT
WILL REFORM OVER NEW ENGLAND WITH THE FLOW AGAIN FROM THE VICINITY
OF BAFFIN ISLAND IN NORTHERN CANADA.  THIS LOOKS LIKE ANOTHER PERIOD
OF WIND AND COLD.  THE GFS SHOWS ANOTHER COLD POOL IN PLACE OVER US
THURSDAY WITH TEMPS ALOFT AT -26C TO -28C...WHILE THE ECMWF SHOWS
-16C TO -18C.  THE LATTER WOULD INDICATE MAX TEMPS IN THE 20S.  WE
STARTED WITH THE WARMER TEMPS...SIMILAR TO THE HPC GRID
GUIDENCE...AND MOVED VALUES A COUPLE OF DEGREES COLDER.

HIGH PRESSURE BUILDS IN FOR FRIDAY AND EARLY SATURDAY.  LOW PRESSURE
PASSES NORTH SATURDAY NIGHT AND SWINGS A COLD FRONT THROUGH HERE
LATE SAT NIGHT AND EARLY SUNDAY. WITH HIGH PRESSURE TO THE SOUTHEAST
AND WITH A DIGGING FLOW ALOFT...WE HAVE SLOWED THE ONSET FROM
GUIDENCE WITH LOW CHANCE POPS IN THE WEST IN THE MORNING AND LOW
CHANCE POPS ALL ZONES IN THE AFTERNOON...THEN HIGHER POPS WITH THE
COLD FRONTAL PASSAGE SAT NIGHT.  IT IS POSSIBLE THAT LATER FORECASTS
WILL END UP KILLING ALL POPS FOR THE SATURDAY DAYTIME AND LIMIT IT
TO THE TIME AROUND FROPA.

&&

.AVIATION /21Z-18Z/...
STRATOCUMULUS DECK WILL DECREASE IN AREAL COVERAGE AFT 02Z DUE TO
THE LOSS OF DAYTIME HEATING. SOME LEFTOVER SCATTERED TO BROKEN
ALTOCUMULUS CLOUDS WILL PREVAIL UNTIL 05Z THIS EVENING. A SCATTERED
TO BROKEN STRATOCUMULUS AND ALTOCUMULUS DECK WILL REDEVELOP BY
14-15Z MONDAY WITH THE APPROACH OF THE POLAR FRONT. MECHANICAL WIND
SHEAR TURBULENCE WILL CONTINUE THROUGH EARLY THIS EVENING AND WILL
BECOME MORE LIKELY ESPECIALLY AFT 18Z MONDAY.

&&

.MARINE...
SHORT TERM...GALE WARNINGS HAVE BEEN POSTED FOR ALL THE COASTAL
WATERS...WITH EXCELLENT WIND MOMENTUM TRANSFER EXPECTED BEGINNING
LATE MONDAY AFTERNOON AND EVENING. FREEZING SPRAY IS EXPECTED TO
DEVELOP AFTER MIDNIGHT...NOMOGRAMS INDICATE THIS COULD POSSIBLY BE
HEAVY BY DAYBREAK TUESDAY.

LONG TERM...GALES AND FREEZING SPRAY CONTINUE TUESDAY...DIMINISHING
TUESDAY NIGHT AS HIGH PRESSURE BUILDS IN AND DIMINISHES THE COLD
ADVECTION AND PRESSURE GRADIENT.  MODELS THEN MOVE A CLIPPER LOW
SOUTH OF THE WATERS WEDNESDAY WITH INTENSIFICATION AS THE LOW MOVES
OUT TO SEA.  THIS INTENSIFICATION RE-ENERGIZES THE PRESSURE GRADIENT
OVER THE NEW ENGLAND WATERS LATER WEDNESDAY NIGHT AND THURSDAY...AND
SO SHOULD BRING GALE CONDITIONS BACK TO THE WATERS AT THAT TIME.
WITH MORE ARCTIC AIR FORECAST TO BE DRAWN ACROSS THE WATERS AT THAT
TIME WE WILL ALSO BRING BACK A CHANCE OF FREEZING SPRAY THURSDAY.
ANOTHER HIGH PRESSURE AREA BUILDS OVER THE WATERS FRIDAY CALMING
CONDITIONS ONCE AGAIN.

IT IS TOO SOON FOR A FREEZING SPRAY WARNING...SO WE WILL CONTINUE TO
HIGHLIGHT THE POTENTIAL IN A MARINE WEATHER STATEMENT AND IN THE
HAZARDOUS WEATHER OUTLOOK.

.CLIMATE...
APPENDED FROM LAST NIGHTS MIDNIGHT SHIFT STAFF

RECORD LOWS FOR TUESDAY MARCH 6TH:
BOSTON: -8 IN 1872
WORCESTER: -5 IN 1948
PROVIDENCE: 1 IN 1948
BRADLEY: -4 IN 1948

RECORD LOW HIGH TEMPERATURES FOR TUESDAY MARCH 6TH:
BOSTON: 9 IN 1872
WORCESTER: 18 IN 1972
PROVIDENCE: 23 IN 1923
BRADLEY: 24 IN 1923

RECORD LOW TEMPERATURES FOR WEDNESDAY MARCH 7TH:
BOSTON: 2 IN 1872
WORCESTER: 2 IN 1989
PROVIDENCE: 10 IN 1990
BRADLEY: -6 IN 2003

OF NOTE...THE COLDEST BOSTON HAS BEEN IN MARCH OVER THE PAST CENTURY
IS 2 ABOVE ZERO IN 1950.  THE CITY HAS BEEN BELOW ZERO IN MARCH BUT
NOT SINCE THE 1800S SO THIS IS QUITE AN IMPRESSIVE ARCTIC OUTBREAK
FOR MARCH STANDARDS.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...NONE.
NH...NONE.
RI...NONE.
MARINE...GALE WARNING FROM 3 PM MONDAY TO 7 PM EST TUESDAY FOR
     ANZ230>237-250-254-255.

&&

EVENING/MARINE UPDATE...FRANK
SHORT TERM...STRAUSS
LONG TERM...WTB
AVIATION...STRAUSS
MARINE...WTB/STRAUSS
Hazardous weather outlook, Mar 4, 5:00 PM EST, 11 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE TAUNTON MA
500 PM EST SUN MAR 4 2007

ANZ230>237-250-254-255-270-CTZ002>004-MAZ002>024-026-NHZ011-012-
015-RIZ001>008-052200-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-
BLOCK ISLAND SOUND-
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA
OUT 40 NM...INCLUDING THE STELLWAGEN BANK NATIONAL MARINE
SANCTUARY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS FROM MONTAUK NY TO BLOCK ISLAND RI TO MARTHAS
VINEYARD MA TO NANTUCKET MA SOUTHEAST TO 20 NM-
WATERS FROM MERRIMACK RIVER MA TO WATCH HILL RI FROM 25 TO 40 NM-
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-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
500 PM EST SUN MAR 4 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN
CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...
NORTHEAST MASSACHUSETTS...SOUTHEAST MASSACHUSETTS...WESTERN
MASSACHUSETTS...MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS...
MASSACHUSETTS COASTAL WATERS...SOUTHERN NEW HAMPSHIRE...CENTRAL
RHODE ISLAND...NORTHERN RHODE ISLAND...SOUTHERN RHODE ISLAND AND
RHODE ISLAND COASTAL WATERS.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
SCATTERED SNOW SHOWERS ARE FORECAST FOR MONDAY AFTERNOON AHEAD OF
A COLD FRONT. THERE IS A SLIGHT CHANCE OF AN ISOLATED SNOW SQUALL
OR TWO WHICH COULD BRING BRIEF WHITEOUT CONDITIONS.

WIND CHILL ADVISORIES WILL LIKELY BE NEEDED LATE MONDAY NIGHT AND
EARLY TUESDAY ACROSS A LARGE PORTION OF SOUTHERN NEW ENGLAND. WIND
CHILLS OF 10 TO 25 DEGREES BELOW ZERO ARE EXPECTED BY EARLY TUESDAY
MORNING. PLEASE REFER TO THE SPECIAL WEATHER STATEMENT FOR DETAILS.

GALE WARNINGS HAVE BEEN POSTED FOR ALL THE WATERS MONDAY AFTERNOON
THROUGH TUESDAY FOR NORTHWEST WIND GUSTS FROM 35 TO 45 KNOTS. IN
ADDITION...HEAVY FREEZING SPRAY IS LIKELY MONDAY NIGHT THROUGH
TUESDAY EVENING. PLEASE REFER TO THE MARINE WEATHER STATEMENT FOR
DETAILS.

A CLIPPER IS FORECAST TO TRACK WELL SOUTH OF NEW ENGLAND LATE
WEDNESDAY AND WEDNESDAY EVENING...BUT THERE IS STILL A CHANCE THAT
IT MAY BE CLOSE ENOUGH TO BRING SOME SNOW TO SOUTHERN NEW ENGLAND.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 4:02 AM ESTWind Chill WatchBOXCheshire, Hillsborough12 hr
Mar 5, 4:10 AM ESTWind AdvisoryBOXCheshire, Hillsborough25 hr

Nearby

Wind Chill Advisories in Massachusetts, 2007Wind Chill Advisories in Rhode Island, 2007Wind Chill Advisories in New Hampshire, 2007Every wind chill advisory in 2007

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.