Alert archive / Massachusetts / Flood Watches in 2011

Flood Watch 1, NWS Boston/Norton, MA

February 24, 20118 counties in Massachusetts; 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this flood watch at Feb 24, 2011, 1:49 PM EST for 8 counties in Massachusetts; 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Feb 25, 2011, 6:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2011, 1:49 PM EST (18:49 UTC)
In effect from
Feb 25, 2011, 6:00 AM EST
Expired
Feb 25, 2011, 3:53 PM EST
In force
10 hr
Issued by
NWS Boston/Norton, MA
Flood severity
None

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Hampden County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 32 km from the middle of the area, began a volume at 18:47 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, 6.8 hours before the alert went out and 133 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 12:00Z on 2011-02-24Temperature 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 12:00Z on 2011-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
1511 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
135 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.

380 
WGUS61 KBOX 241849
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
149 PM EST THU FEB 24 2011

CTZ002>004-MAZ005>007-009-011>019-RIZ001>004-006-250300-
/O.NEW.KBOX.FA.A.0001.110225T1100Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPDEN 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-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-WASHINGTON RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...BLANDFORD...SPRINGFIELD...MILFORD...WORCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...
BROCKTON...PLYMOUTH...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK...NARRAGANSETT...WESTERLY
149 PM EST THU FEB 24 2011

...FLOOD WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT...
  MASSACHUSETTS AND RHODE ISLAND...INCLUDING THE FOLLOWING 
  AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND 
  WINDHAM CT. IN MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN 
  ESSEX MA...EASTERN HAMPDEN MA...EASTERN NORFOLK MA...EASTERN 
  PLYMOUTH MA...NORTHERN BRISTOL MA...SOUTHEAST MIDDLESEX MA...
  SOUTHERN WORCESTER MA...SUFFOLK MA...WESTERN ESSEX MA...
  WESTERN HAMPDEN MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH 
  MA. IN RHODE ISLAND...EASTERN KENT RI...NORTHWEST PROVIDENCE 
  RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT 
  RI.

* FROM FRIDAY MORNING THROUGH FRIDAY EVENING

* A MIX OR RAIN AND WET SNOW WILL DEVELOP LATE THIS EVENING AND
  CONTINUE OVERNIGHT...CHANGING TO ALL RAIN AROUND DAYBREAK. THE
  RAIN WILL BECOME HEAVY AT TIMES FRIDAY MORNING AND LAST THROUGH
  MID AFTERNOON BEFORE TAPERING OFF BY EVENING.
  
  ONE TO TWO INCHES OF PRECIPITATION WITH LOCALLY HIGHER AMOUNTS
  CAN BE EXPECTED ACROSS THE AREA.  

  THE COMBINATION OF INCREASING WIND AND TEMPERATURES RISING WELL
  INTO THE 40S TO LOWER 50S WILL ALSO ADD TO INCREASING SNOWMELT 
  DURING A BRIEF 6 HOUR WINDOW MIDDAY FRIDAY WITH ANOTHER ONE HALF
  TO ONE INCH OF LIQUID EQUIVALENT EXPECTED PRIMARILY ALONG AND
  SOUTH OF THE MASS PIKE BUT ALSO INTO NORTHEASTERN MASSACHUSETTS.
  
* URBAN AND POOR DRAINAGE FLOODING CAN BE EXPECTED WITH HEAVY
  RAINFALL AND NEAR SOME SNOW AND ICE CLOGGED STORM DRAINS. IN
  ADDITION THE COMBINATION OF HEAVY RAINFALL AND MELTING SNOW
  WILL CAUSE SOME SMALLER STREAMS TO RISE NEAR BANKFUL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

STRAUSS/NMB
5 follow-up statements
532 
WGUS61 KBOX 250249
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
949 PM EST THU FEB 24 2011

MAZ020-021-RIZ005-007-251100-
/O.EXA.KBOX.FA.A.0001.110225T1100Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BRISTOL RI-NEWPORT RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...BRISTOL...NEWPORT
949 PM EST THU FEB 24 2011

...FLOOD WATCH IN EFFECT FROM 6 AM EST FRIDAY THROUGH FRIDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXPANDED THE

* FLOOD WATCH TO INCLUDE PORTIONS OF SOUTHEASTERN MASSACHUSETTS 
  AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN 
  SOUTHEASTERN MASSACHUSETTS...SOUTHERN BRISTOL MA AND SOUTHERN 
  PLYMOUTH MA. IN RHODE ISLAND...BRISTOL RI AND NEWPORT RI.

* FROM 6 AM EST FRIDAY THROUGH FRIDAY EVENING

* RAIN AND WET SNOW WILL DEVELOP LATE THIS EVENING...BECOMING
  HEAVY AT TIMES FRIDAY MORNING AND LAST THROUGH MID AFTERNOON
  BEFORE TAPERING OFF BY EVENING.

  ONE TO TWO INCHES OF PRECIPITATION WITH LOCALLY HIGHER AMOUNTS 
  CAN BE EXPECTED ACROSS AN AREA ALONG AND SOUTH OF MASS PIKE INTO
  NORTHEASTERN MASSACHUSETTS...SOUTHWARD TO THE NEW ENGLAND
  SHORELINE. 

  THE COMBINATION OF INCREASING WIND AND TEMPERATURES RISING WELL
  INTO THE UPPER 40S TO LOWER 50S WILL ALSO AIDE IN THE MELTING OF
  ANY REMAINING SNOW THEREBY ADDING TO THE ANTICIPATED RAINFALL
  AMOUNTS ACROSS THE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

$$

CTZ002>004-MAZ005>007-009-011>019-RIZ001>004-006-251100-
/O.CON.KBOX.FA.A.0001.110225T1100Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPDEN 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-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-WASHINGTON RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...BLANDFORD...SPRINGFIELD...MILFORD...WORCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...
BROCKTON...PLYMOUTH...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK...NARRAGANSETT...WESTERLY
949 PM EST THU FEB 24 2011

...FLOOD WATCH REMAINS IN EFFECT FROM 6 AM EST FRIDAY THROUGH
FRIDAY EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS AND RHODE
  ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN
  CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN
  MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...
  EASTERN HAMPDEN MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH
  MA...NORTHERN BRISTOL MA...SOUTHEAST MIDDLESEX MA...SOUTHERN
  WORCESTER MA...SUFFOLK MA...WESTERN ESSEX MA...WESTERN HAMPDEN
  MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN RHODE
  ISLAND...EASTERN KENT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST 
  PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI.

* FROM 6 AM EST FRIDAY THROUGH FRIDAY EVENING

* A MIX OR RAIN AND WET SNOW WILL DEVELOP LATE THIS EVENING AND 
  CONTINUE OVERNIGHT...CHANGING TO ALL RAIN AROUND DAYBREAK. THE 
  RAIN WILL BECOME HEAVY AT TIMES FRIDAY MORNING AND LAST 
  THROUGH MID AFTERNOON BEFORE TAPERING OFF BY EVENING. 

  ONE TO TWO INCHES OF PRECIPITATION WITH LOCALLY HIGHER AMOUNTS 
  CAN BE EXPECTED ACROSS AN AREA ALONG AND SOUTH OF MASS PIKE INTO
  NORTHEASTERN MASSACHUSETTS...SOUTHWARD TO THE NEW ENGLAND
  SHORELINE. 

  THE COMBINATION OF INCREASING WIND AND TEMPERATURES RISING WELL
  INTO THE 40S TO LOWER 50S WILL ALSO AIDE IN THE MELTING OF ANY
  REMAINING SNOW THEREBY ADDING TO THE ANTICIPATED RAINFALL AMOUNTS
  ACROSS THE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

$$

SIPPRELL
133 
WGUS61 KBOX 251016
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
516 AM EST FRI FEB 25 2011

CTZ002>004-MAZ005>007-009-011>021-RIZ001>007-251830-
/O.CON.KBOX.FA.A.0001.110225T1100Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPDEN 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-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...BLANDFORD...SPRINGFIELD...MILFORD...WORCESTER...
FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...
BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...
FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...
BRISTOL...NARRAGANSETT...WESTERLY...NEWPORT
516 AM EST FRI FEB 25 2011

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS AND RHODE 
 ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
 CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
 MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...
 EASTERN HAMPDEN MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH 
 MA...NORTHERN BRISTOL MA...SOUTHEAST MIDDLESEX MA...SOUTHERN 
 BRISTOL MA...SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...
 SUFFOLK MA...WESTERN ESSEX MA...WESTERN HAMPDEN MA...WESTERN 
 NORFOLK MA AND WESTERN PLYMOUTH MA. IN RHODE ISLAND...BRISTOL 
 RI...EASTERN KENT RI...NEWPORT RI...NORTHWEST PROVIDENCE RI...
 SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI.

* THROUGH THIS EVENING

* RAIN WILL BECOME HEAVY AT TIMES THIS MORNING AND LAST THROUGH
  MID AFTERNOON BEFORE TAPERING OFF THIS EVENING.

  ONE TO TWO INCHES OF PRECIPITATION WITH LOCALLY HIGHER AMOUNTS 
  CAN BE EXPECTED ACROSS AN AREA ALONG AND SOUTH OF MASS PIKE INTO
  NORTHEASTERN MASSACHUSETTS...SOUTHWARD TO THE NEW ENGLAND
  SHORELINE. 

  THE COMBINATION OF INCREASING WIND AND TEMPERATURES RISING WELL
  INTO THE UPPER 40S TO LOWER 50S WILL ALSO AID IN THE MELTING OF
  ANY REMAINING SNOW...THEREBY ADDING TO THE ANTICIPATED RAINFALL
  AMOUNTS ACROSS THE AREA.

* URBAN AND POOR DRAINAGE FLOODING APPEARS AS THE PRIMARY THREAT
  WITH SOME DRAINS STILL CLOGGED WITH LEFTOVER SNOW AND ICE.
  SMALLER STREAMS AND CREEKS MAY ALSO RISE SHARPLY LATER TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

$$
226 
WGUS61 KBOX 251040
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
540 AM EST FRI FEB 25 2011

MAZ009-251145-
/O.CAN.KBOX.FA.A.0001.110225T1100Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF...BLANDFORD
540 AM EST FRI FEB 25 2011

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR THE SOUTHERN BERKSHIRES OF MASSACHUSETTS
ENCOMPASSING WESTERN HAMPDEN COUNTY HAS BEEN CANCELLED. 

ANTICIPATED COLDER TEMPERATURES WILL RESULT IN SNOW AS BEING THE
PREDOMINANT PRECIPITATION TYPE THEREBY DIMINISHING THE FLOODING
POTENTIAL. 

$$

CTZ002>004-MAZ005>007-011>021-RIZ001>007-251845-
/O.CON.KBOX.FA.A.0001.110225T1100Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX 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-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT
540 AM EST FRI FEB 25 2011

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS AND RHODE 
  ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
  MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...
  EASTERN HAMPDEN MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH 
  MA...NORTHERN BRISTOL MA...SOUTHEAST MIDDLESEX MA...SOUTHERN 
  BRISTOL MA...SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...
  SUFFOLK MA...WESTERN ESSEX MA...WESTERN NORFOLK MA AND WESTERN 
  PLYMOUTH MA. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...
  NEWPORT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE 
  RI...WASHINGTON RI AND WESTERN KENT RI.

* THROUGH THIS EVENING

* RAIN WILL BECOME HEAVY AT TIMES THIS MORNING AND LAST THROUGH
  MID AFTERNOON BEFORE TAPERING OFF THIS EVENING.

  ONE TO TWO INCHES OF PRECIPITATION WITH LOCALLY HIGHER AMOUNTS 
  CAN BE EXPECTED ACROSS AN AREA ALONG AND SOUTH OF MASS PIKE INTO
  NORTHEASTERN MASSACHUSETTS...SOUTHWARD TO THE NEW ENGLAND
  SHORELINE. 

  THE COMBINATION OF INCREASING WIND AND TEMPERATURES RISING WELL
  INTO THE UPPER 40S TO LOWER 50S WILL ALSO AID IN THE MELTING OF
  ANY REMAINING SNOW...THEREBY ADDING TO THE ANTICIPATED RAINFALL
  AMOUNTS ACROSS THE AREA.

* URBAN AND POOR DRAINAGE FLOODING APPEARS AS THE PRIMARY THREAT
  WITH SOME DRAINS STILL CLOGGED WITH LEFTOVER SNOW AND ICE.
  SMALLER STREAMS AND CREEKS MAY ALSO RISE SHARPLY LATER TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.


$$

SIPPRELL
576 
WGUS61 KBOX 251540
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
1040 AM EST FRI FEB 25 2011

CTZ002>004-MAZ005>007-011>021-RIZ001>007-252345-
/O.CON.KBOX.FA.A.0001.000000T0000Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX 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-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT
1040 AM EST FRI FEB 25 2011

...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS AND RHODE 
 ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
 CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
 MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...
 EASTERN HAMPDEN MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH 
 MA...NORTHERN BRISTOL MA...SOUTHEAST MIDDLESEX MA...SOUTHERN 
 BRISTOL MA...SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...
 SUFFOLK MA...WESTERN ESSEX MA...WESTERN NORFOLK MA AND WESTERN 
 PLYMOUTH MA. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...
 NEWPORT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE 
 RI...WASHINGTON RI AND WESTERN KENT RI.

* UNTIL 10 PM EST THIS EVENING

  ONE TO TWO INCHES OF PRECIPITATION WITH LOCALLY HIGHER AMOUNTS
  CAN BE EXPECTED ACROSS AN AREA ALONG AND SOUTH OF MASS PIKE INTO
  NORTHEASTERN MASSACHUSETTS...SOUTHWARD TO THE NEW ENGLAND
  SHORELINE.

  THE COMBINATION OF INCREASING WIND AND RISING TEMPERATURES  
  SOUTH OF THE PIKE WILL ALSO AID IN THE MELTING OF SNOW...
  THEREBY ADDING TO THE ANTICIPATED RUNOFF ACROSS THE AREA.

* URBAN AND POOR DRAINAGE FLOODING APPEARS AS THE PRIMARY THREAT
  WITH SOME DRAINS STILL CLOGGED WITH LEFTOVER SNOW AND ICE.
  SMALLER STREAMS AND CREEKS WILL ALSO RISE SHARPLY LATER TODAY.

$$
018 
WGUS61 KBOX 252053
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
353 PM EST FRI FEB 25 2011

CTZ002>004-MAZ005>007-011>021-RIZ001>007-252200-
/O.CAN.KBOX.FA.A.0001.000000T0000Z-110226T0300Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX 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-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT
353 PM EST FRI FEB 25 2011

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT...
MASSACHUSETTS AND RHODE ISLAND HAS BEEN CANCELLED. 

A WIDESPREAD ONE TO TWO INCHES OF RAIN WITH LOCALLY HIGHER AMOUNTS
FELL ACROSS THE AREA...AWAY FROM NORTHWEST MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE WHERE PRECIPITATION WAS MOSTLY FREEZING OR
FROZEN. 

SOME LINGERING URBAN AND POOR DRAINAGE FLOODING IS POSSIBLE
THROUGH 5 PM. OTHERWISE MODERATE TO HEAVY RAIN IS PUSHING EAST OF
THE AREA. THE PAWTUXET RIVER IN CRANSTON IS FORECAST TO RISE NEAR
FLOOD STAGE TONIGHT. OTHERWISE MOST SMALL STREAMS AND RIVERS ARE
EXPECTED TO REMAIN WITHIN THEIR BANKS.

$$

STRAUSS

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Feb 24, 11:00 AM EST, 2 hours 49 minutes earlier.

Area forecast discussion, Feb 24, 11:00 AM EST, 2 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
1100 AM EST THU FEB 24 2011

.SYNOPSIS...
HIGH PRESSURE WILL PUSH OFF THE COAST TODAY. LOW PRESSURE WILL
BRING MAINLY HEAVY RAIN WITH SOME SNOW/ICE FOR A TIME ACROSS THE
INTERIOR THURSDAY NIGHT AND FRIDAY. A WEAKER SYSTEM MAY BRING SOME
LIGHT SNOW TO THE REGION SATURDAY NIGHT AND SUNDAY. LOW PRESSURE
MOVING OUT OF THE SOUTHWEST USA WILL BRING SNOW...RAIN...AND
MILDER TEMPERATURES MONDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
HIGH PRESSURE CONTINUES TO SHIFT EAST OF THE AREA THIS AFTERNOON.
A SOUTHWESTERLY FLOW WILL ALLOW FOR MODERATING TEMPERATURES TODAY.
H925 TEMPERATURES FROM -1 CELSIUS TO -3 CELSIUS SUPPORTS HIGHS IN
THE UPPER 30S TO LOWER 40S THIS AFTERNOON. WILL SEE AN INCREASE IN
CLOUDS THIS AFTERNOON. INCREASING THETA-E RIDGING APPROACHING THE
WESTERN ZONES THIS AFTERNOON...BUT SHORT WAVE RIDING PREVAILS. REST
OF TODAY EXPECTED TO REMAIN DRY.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY NIGHT/...
FAIRLY CONFIDENT MAIN SFC LOW WILL TRACK ALONG THE OH VLY RGN THRU
FRI MRNG LIFTING THRU THE CNTRL NEW ENGLAND RGN BY FRI AFTN...NEWD
INTO THE SERN CANADIAN MARITIMES INTO AND AFTER MIDNIGHT SAT. YET
THE SPECIFICITY OF THE PARTICULAR TRACK IS UNCERTAIN...AND JUST A
SLIGHT WOBBLE OF SUCH A TRACK...AS IS THE CASE WHEN LOOKING INTO
DISTINCT DETAILS OF MDL OUTPUT...CAN MODIFY LLVL TEMP FIELDS
CONSIDERABLY ESTABLISHING CHALLENGES IN DETERMINING THE PRECIP TYPE.

NEVERTHELESS HERE IN BREVITY ARE THE MAIN HAZARDS ASSOCIATED WITH
THE UPCOMING SYSTEM FOR FRIDAY INTO SATURDAY:

1. A MIXTURE OF SNOW...SLEET...AND FREEZING RAIN WITH TOTAL
ACCUMS OF 3 TO 5 INCHES FOR SOUTHERN NH. HAVE ISSUED A WINTER
WEATHER ADVISORY IN ACCORDANCE WITH ANTICIPATED WEATHER.

2. STRONG 30 TO 40 MPH SLY WINDS ALONG SOUTHEASTERN NEW ENGLAND
FOR FRI AFTN INTO EVNG. A HIGH WIND WATCH IS CURRENTLY IN EFFECT
FOR AFOREMENTIONED LOCALES.

3. AN AXIS OF HEAVY RAIN ACROSS CENTRAL AND SOUTHERN NEW ENGLAND
BEGINNING EARLY FRIDAY MORNING AND ENDING FRIDAY EVENING WITH
AMOUNTS OF 1-2 INCHES PSBLY RESULTING IN LOCALIZED FLOODING AND
POOR DRAINAGE. NOT FULLY CONFIDENT AS A FEW MDL RUNS HAVE BECOME
MORE PROGRESSIVE LESSENING STORM TOTAL PRECIPITATION AMOUNTS. WILL
CONTINUE MENTIONING IN HWO FOR NOW.

4. STRONG 25 TO 30 MPH NORTHWEST WINDS...WITH GUSTS UP TO 35
MPH...FOR INTERIOR NEW ENGLAND...WITH STRONGER 30 TO 35 MPH
NORTHWEST WINDS... WITH GUSTS UP TO 40 MPH FOR SOUTHEASTERN SHORES
OF NEW ENGLAND BEGINNING MIDNIGHT SATURDAY INTO EARLY SATURDAY
MORNING. WILL MENTION THIS IN THE HWO FOR NOW.

MAIN ISSUES WORTHY OF NOTE DURING THE FCST PROCESS:

THURS NGT INTO FRI MORNING...
CHALLENGES REMAIN AS TO HOW EFFECTIVE LLVL SLY FLOW WITH A COMPONENT
FROM DRIER SOURCE REGIONS OF THE RETREATING HI PRES WILL DELAY THE
ONSET OF PRECIP. CONFIDENT THE ATMOS SHOULD MOISTEN INTO THE MRNG
PERIOD. SLY FLOW WILL INCREASE AND PUMP WARMER AIR ONSHORE IN
CONCERT WITH A SFC WARM FRNT MOVING NWD AS THE SFC LOW ADVECTS NEWD
INTO THE OH RVR VLY...BUT UNCERTAINTY REMAINS AS TO HOW PRESENT SNOW
PACK WILL HINDER THE PROGRESSION OF THE WRM FRNT NWD. HAVE GONE A
FEW DEGREES LOWER THAN METNAM GUIDANCE BELIEVING THE SNOW PACK WILL
LIMIT SFC TEMPS TO WARM...YET ALSO THINK THE INTRUSION OF WARM AIR
NWD SHOULD BE EFFECTIVE THRU THE CT VLY RGNS TO HINDER ANY ONSET OF
SNOW AND RATHER ANY PRECIP TO BEGIN AS RAIN. PRECIP WILL BE LIGHT IN
NATURE AS BETTER FORCING STILL RESIDES TO THE SW WITH THE SFC LOW.
HAVE INCREASED POPS IN ASSOC WITH LIFTING WRM FRNT.

FRI MORNING INTO EVNG...
WARM FRONT SHOULD MOVE WELL NORTH OF THE RGN AND ANY FRZN PRECIP
SHOULD TRANSITION TO ALL RAIN EXCEPT FOR LOCALES ACROSS SRN NH.
STRONG SLY FLOW WILL ALSO BEGIN TO IMPACT AREAS ALONG THE SOUTHERN
AND SOUTHEASTERN NEW ENGLAND SHORELINES. ALSO DURING THIS PERIOD IS
WHEN THE HEAVIEST RAIN SHOULD OCCUR AS SFC LOW LIFTS NEWD THRU THE
RGN AND ALONG THE ME COASTLINE. STRONGEST LOW-MID LVL WINDS AT
H85-H925 OF 80-90KTS WILL RACE NWD THRU THE SERN FCST AREA. THIS
WILL SUBSTANTIALLY PUMP MOISTURE AND PROVIDE LIFT AIDING INCREASED
PRECIP OVER THE SRN AND CNTRL NEW ENGLAND RGNS. STRONG WAA SHOULD
ALSO BE OCCURING THRU THE LLVLS ALLOWING HIGHS IN THE UPR 40S TO LOW
50S ALONG THE SRN SHORES COOLING NWD INTO THE LOW-MID 40S.
EVERYTHING SHIFTS EWD AND WINDS BACK OUT OF THE NW USHERING IN
COLDER AIR AND FALLING TEMPS. PRECIP DWINDLES AS BETTER FORCING AND
ASSOC MOISTURE LIFTS NEWD WITH PARENT LOW. STRONG HEIGHT RISES THRU
THE RGN SHOULD LEND TO A TIGHT PRES GRADIENT...CAA...AND INCREASED
NWLY FLOW. STEEP LLVL LAPSE RATES WILL ALLOW EFFECTIVE MOMENTUM
TRANSFER TO THE SFC...AND STRONG AND GUSTY NW WINDS WILL PREVAIL
INTO EARLY SAT MORN.

INTO SATURDAY MORNING...
TEMPS WILL CONTINUE TO FALL AND DRIER AIR WILL INFILTRATE INTO THE
RGN. ANTICIPATE LOW-MID 20S FOR THE SHORE AND COASTAL PLAIN WITH
MID TO UPR TEENS ACROSS THE INTERIOR. PRES GRADIENT WILL BEGIN TO
RELAX TOWARDS MORNING AND WINDS WILL DISSIPATE.

&&

.LONG TERM /SATURDAY THROUGH WEDNESDAY/...
24/00Z GUIDANCE HAS COME INTO BETTER AGREEMENT WITH THEIR SYNOPTIC
EVOLUTION THIS WEEKEND INTO EARLY NEXT WEEK. THERE ARE STILL
SIGNIFICANT TIMING DIFFERENCES HANDLING A STRONG PACKAGE OF ENERGY
MOVING DOWN THE WEST COAST INTO THE DESERT SOUTHWEST. THIS ENERGY
SHOULD BE WHAT BREAKS DOWN THE NEARLY ZONAL FLOW ACROSS THE
CENTRAL USA...AND BRINGS A MID-LEVEL TROUGH TO THE EAST COAST
TOWARD THE MIDDLE OF NEXT WEEK.

BASED THIS FORECAST OFF A NAM/SREF BLEND FOR SATURDAY...THEN
TRANSITIONED TO A GFS/ECMWF BLEND TO MINIMIZE THE TIMING
DIFFERENCES NEXT WEEK.

SATURDAY...
HIGH PRESSURE IN CONTROL.

SATURDAY NIGHT-SUNDAY...
UPPER SHORTWAVE OVER THE GREAT LAKES RACES EAST ACROSS NEW ENGLAND.
A STALLED FRONT SOUTH OF NEW ENGLAND SERVES AS A FOCUS FOR THE
SHORTWAVE TO INDUCE A WEAK SURFACE LOW WHICH ALSO MOVES EAST. THE
AGREE ON A PERIOD OF LIGHT PCPN AS THE WAVE MOVES PAST. THESE
FEATURES MOVE EAST BY LATE SUNDAY WITH THE MOISTURE LAYER
BECOMING MORE SHALLOW.

THIS CONSENSUS SUPPORTS CLOUDS WITH THE MOST LIFT BETWEEN 06Z AND
18Z SUNDAY...THIS IS OUR MAIN PERIOD OF CHANCE POPS. PTYPE LOOKS
TO BE MAINLY SNOW...EXCEPT MIXED RAIN/SNOW ALONG THE SOUTH
COAST...BUT LIGHT ENOUGH FOR AT MOST AN INCH OR TWO OF SNOW.

MONDAY...
SOUTHWEST SHORTWAVE LIFTS THROUGH THE GREAT LAKES MONDAY WITH A
SOUTH LOW LEVEL JET BUILDING TO 60-70 KNOTS AND PULLING WARM AIR
NORTH. PRECIPITABLE WATER VALUES REACH 1.0 TO 1.25 INCHES...SO A
WET STORM IS EXPECTED. MOST OF THE 00Z GUIDANCE CONTINUES TO
INDICATE PRECIPITATION ARRIVING LATE SUNDAY NIGHT. ALL MODELS
TAKE THE STORM CENTER UP THROUGH QUEBEC...PLACING OUR AREA IN THE
WARM SECTOR FOR A TIME. FROM THERMAL PROFILES WE ARE EXPECTING AN
INITIAL PERIOD OF SNOW...BUT CHANGING TO RAIN BY MONDAY AFTERNOON.
LOOKS LIKE A PERIOD OF FREEZING RAIN AND SLEET POSSIBLE DURING THE
MORNING AS THIS TRANSITION OCCURS. THIS LOW THEN SWINGS A COLD
FRONT THROUGH DURING MONDAY NIGHT/EARLY TUESDAY...GRADUALLY ENDING
PRECIPITATION.

STRONG SOUTH TO SOUTHWEST WINDS ALOFT LEADING THE COLD FRONT.  IF
ENOUGH WARM AIR REACHES THE SURFACE THEN THERE WILL BE CONCERN FOR
STRONG AND POSSIBLY DAMAGING WIND GUSTS...THIS WILL NEED TO BE
MONITORED. WITH PRECIPITABLE WATER VALUES AT OR ABOVE AN INCH WE
WILL AGAIN NEED TO BE ALERT FOR BRIEFLY HEAVY RAIN WITH
LOCAL/POOR DRAINAGE FLOODING.

TUESDAY...
STRONG PRESSURE RISES WILL TRAIL THE MID-WEEK LOW AND COLD FRONT.
MODEL FORECASTS SHOW 3 MB PER HOUR. THIS WILL MEAN A STIFF WEST
OR NORTHWEST WIND DURING THE DAY. THE RESULTING COLD ADVECTION
WILL DESTABILIZE THE AIRMASS...WHICH WILL BRING EVEN STRONGER WIND
GUSTS TO THE SURFACE. PROFILES SHOW POTENTIAL FOR 35-40 KNOT GUSTS
DURING THE DAY.

WEDNESDAY...
ANOTHER COLD FRONT SWINGS THROUGH WEDNESDAY WITH MORE LIMITED LIFT
AND MOISTURE.  WE WENT WITH CLOUDS AND SLIGHT CHANCE POPS FOR
RAIN/SNOW SHOWERS FOR NOW DUE TO THE UNCERTAINTY.

&&

.AVIATION /16Z THURSDAY THROUGH MONDAY/...
FORECASTER CONFIDENCE LEVELS...
  LOW...LESS THAN 30 PERCENT
  MEDIUM...30 PERCENT TO 60 PERCENT
  HIGH...GREATER THAN 60 PERCENT

TODAY...HIGH CONFIDENCE VFR. MID-HIGH LVL CLOUDS WILL BE ON THE
INCREASE ACROSS THE TERMINALS THRU THE MIDDAY INTO EVENING
HRS...WITH CIGS 5-10KFT BY 00Z. SOUTH WINDS INCREASE 5-10KTS
MIDDAY INTO AFTN.

TONIGHT...HIGH CONFIDENCE MVFR-IFR CONDITIONS DEVELOPING WITH THE
ONSET OF DISTURBED WEATHER. ANTICIPATE A COMBINATION OF SNOW AND
POTENTIAL ICE FOR TERMINALS ACROSS NORTHWEST MA AND SOUTHERN NH.
ANY ACCUM SHOULD BE LIGHT. RAIN WILL DEVELOP ACROSS CENTRAL MA AND
TOWARDS THE SOUTH AND EAST. POTENTIAL EXISTS FOR MVFR IMPLICATIONS
BOTH CIGS AND VSBY RELATED WITH THE ONSET OF RAIN.

KBOS TERMINAL...HIGH CONFIDENCE FOR VFR...DETERIORATING TO MVFR-
IFR AROUND MIDNIGHT FRIDAY. EXPECT THE ONSET OF RAIN PRIOR TO
MIDNIGHT AND BOTH CIGS AND VSBYS TO FALL TOWARDS THE END OF THE
PERIOD.

OUTLOOK...FRIDAY THROUGH MONDAY...

FRIDAY...HIGH CONFIDENCE IN MVFR-IFR CONDITIONS IN RAIN ALONG THE
COASTAL PLAIN...WITH SNOW/ICE CHANGING TO RAIN ACROSS THE INTERIOR
FRIDAY MORNING. WIND SHEAR LIKELY ON FRIDAY...ESPECIALLY ALONG THE
COASTAL PLAIN. SOUTHWEST WIND GUSTS OF 35 TO 45 KNOTS ALSO
POSSIBLE LATE FRIDAY MORNING/AFTERNOON ALONG THE COASTAL PLAIN.

FRIDAY NIGHT AND SATURDAY...HIGH CONFIDENCE THAT CONDITIONS IMPROVE
TO VFR BY LATE FRIDAY EVENING AND CONTINUE THROUGH SATURDAY
AFTERNOON.

SUNDAY-MONDAY...POTENTIAL FOR MVFR CONDITIONS IN LIGHT SNOW
SUNDAY. CONDITIONS MAY IMPROVE FOR A TIME SUNDAY EVENING.
CONDITIONS THEN LOWER TO MVFR OR IFR IN SNOW OVERNIGHT CHANGING TO
RAIN MONDAY. A PERIOD OF FREEZING RAIN AND/OR SLEET IS POSSIBLE
DURING THIS TRANSITION. STRONG SOUTH TO SOUTHWEST WINDS ARE
EXPECTED MONDAY AFTERNOON AT 2000 FEET WITH 50-70 KNOTS POSSIBLE
AT THAT LEVEL. THIS WOULD LEAD TO LOW-LEVEL WIND SHEAR. MEDIUM
CONFIDENCE.

&&

.MARINE...
TODAY...WINDS BECOME S-SW AND START TO PICK UP AS SYSTEM
APPROACHES FROM THE W. SEAS MAY BUILD BACK UP TO 5 FT LATE IN THE
DAY ON THE SOUTHERN OUTER WATERS.

TONIGHT AND FRIDAY...WINDS AND SEAS SHOULD REMAIN BELOW
SCA THRESHOLDS THROUGH THURSDAY EVENING. HOWEVER...INTENSIFYING
LOW PRESSURE WILL CAUSE WINDS AND SEAS TO INCREASE TO SCA
THRESHOLDS ACROSS THE SOUTHERN WATERS TOWARDS 12Z FRIDAY. WINDS
WILL FURTHER INCREASE ON FRIDAY AS A VERY STRONG SOUTHWEST LOW
LEVEL JET DEVELOPS. DESPITE THE INVERSION...THERE IS A GOOD CHANCE
OF 40 KNOT WIND GUSTS ACROSS THE SOUTHERN WATERS. THEREFORE...HAVE
HOISTED A GALE WATCH. SEAS WILL LIKELY BUILD TO 10 TO 15 FEET
ACROSS THE SOUTHERN OUTER-WATERS ON FRIDAY.

OUTLOOK...FRIDAY NIGHT THROUGH MONDAY...

FRIDAY NIGHT AND SATURDAY...COLD ADVECTION BEHIND A LOW PRESSURE
WILL BRING STRONG NORTHWEST WIND GUSTS FRIDAY NIGHT. THERE IS A
HIGH PROBABILITY FOR A PERIOD OF GALE FORCE GUSTS AND THUS HAVE
CONTINUED THE GALE WATCH INTO THE EARLY SATURDAY MORNING PERIOD.
WINDS SHOULD DIMINISH SOME SATURDAY...BUT 20 TO 25 KT NORTHWEST
WIND GUSTS WILL LIKELY CONTINUE IN THE COLD AIR ADVECTION PATTERN.

SATURDAY NIGHT...DIMINISHING WINDS AND SEAS.

SUNDAY-MONDAY...SMALL CRAFT ADVISORY LEVEL WINDS AND SEAS SHOULD
DEVELOP SUNDAY NIGHT AND CONTINUE INTO MONDAY. LOW CONFIDENCE
POTENTIAL FOR WEST-NORTHWEST GALES MONDAY NIGHT.

&&

.HYDROLOGY...
LOOKING AT 1 TO 2 INCHES OF RAINFALL IN A FAIRLY BRIEF 6 TO 12
HOUR PERIOD FRIDAY MORNING THROUGH EARLY AFTERNOON. SNOW WATER
EQUIVALENTS ARE STILL FAIRLY HIGH WITH LEFTOVER SNOWPACK. GOOD
TEMPERATURE RISES EXPECTED SOUTH OF THE MASS PIKE COINCIDING WITH
THE RAINFALL FRIDAY. URBAN AND POOR DRAINAGE FLOODING APPEARS AS
THE PRIMARY THREAT WITH SOME DRAINS STILL CLOGGED WITH LEFTOVER
SNOW AND ICE. FURTHER NORTH OF THE PIKE TEMPERATURES WILL BE
COLDER ALONG WITH SOME FROZEN/FREEZING PCPN. THE COMBINATION OF
SNOWMELT AND HEAVY RAINFALL IS OF SOME CONCERN BUT SMALL
STREAM/MAJOR RIVER POINT GUIDANCE INDICATE FAIRLY HIGH THRESHOLDS.
STILL ASSESSING THE DATA AT THIS POINT IN TERMS OF POTENTIAL
HEADLINES BUT HIGHER CONFIDENCE IN FLOOD ADVISORY ISSUANCE
NEAR/DURING THE STORM EVENT ATTM.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...HIGH WIND WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR
     MAZ020>024.
NH...WINTER WEATHER ADVISORY FROM 1 AM TO 2 PM EST FRIDAY FOR
     NHZ011-012-015.
RI...HIGH WIND WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR
     RIZ005>008.
MARINE...GALE WATCH FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT FOR
     ANZ231>235-237-250-254>256.
     GALE WATCH FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON FOR
     ANZ236.

&&

SYNOPSIS...BELK/SIPPRELL
NEAR TERM...STRAUSS
SHORT TERM...SIPPRELL
LONG TERM...BELK
AVIATION...BELK/SIPPRELL/STRAUSS
MARINE...BELK/SIPPRELL/STRAUSS
HYDROLOGY...
Hazardous weather outlook, Feb 24, 5:13 AM EST, 8 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
513 AM EST THU FEB 24 2011

MAZ020>024-RIZ005>008-251015-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
513 AM EST THU FEB 24 2011

...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEASTERN
MASSACHUSETTS AND SOUTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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

   HIGH WIND WATCH.

THERE IS A MEDIUM TO HIGH PROBABILITY FLOOD ADVISORIES WILL BE
NEEDED FOR THE COASTAL PLAIN FRIDAY FOR HEAVY RAIN RESULTING IN
POOR-DRAINAGE STREET FLOODING.

THERE IS A LOW PROBABILITY FLOOD ADVISORIES WOULD BE NEEDED AGAIN
ON MONDAY.

THERE IS A LOW PROBABILITY A WIND ADVISORY WOULD BE NEEDED ON
TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CTZ002>004-MAZ002>019-026-RIZ001>004-251015-
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-NORTHERN MIDDLESEX MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-
513 AM EST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...
NORTHERN RHODE ISLAND...AS WELL AS ALL OF MASSACHUSETTS EXCEPT FOR
BERKSHIRE COUNTY...THE SOUTH COAST...CAPE COD AND THE ISLANDS.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THERE IS A MEDIUM PROBABILITY A WINTER WEATHER ADVISORY WILL BE
NEEDED FOR A PORTION OF INTERIOR SOUTHERN NEW ENGLAND TONIGHT INTO
FRIDAY MORNING. THE MOST LIKELY AREAS WOULD BE THE EAST SLOPES OF THE
BERKSHIRES AND THE HIGHER TERRAIN OF NORTH CENTRAL MASSACHUSETTS.
THE MAIN HAZARD WOULD BE A PERIOD OF FREEZING RAIN.

THERE IS A MEDIUM TO HIGH PROBABILITY FLOOD ADVISORIES WILL BE
NEEDED FOR THE COASTAL PLAIN FRIDAY FOR HEAVY RAIN RESULTING IN
POOR-DRAINAGE STREET FLOODING.

THERE IS A LOW PROBABILITY FLOOD ADVISORIES WOULD BE NEEDED AGAIN
ON MONDAY.

THERE IS A LOW PROBABILITY A WIND ADVISORY WOULD BE NEEDED ON
TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NHZ011-012-015-251015-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
513 AM EST THU FEB 24 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 2 PM EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN NEW HAMPSHIRE.

.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.

   WINTER WEATHER ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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

   WINTER WEATHER ADVISORY.

THERE IS A LOW TO MEDIUM PROBABILITY A WIND ADVISORY WILL BE
NEEDED FRIDAY NIGHT.

THERE IS A LOW PROBABILITY FLOOD ADVISORIES WOULD BE NEEDED AGAIN
ON MONDAY.

THERE IS A LOW PROBABILITY A WIND ADVISORY WOULD BE NEEDED ON
TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ231>235-237-250-254>256-251015-
CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-
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-
513 AM EST THU FEB 24 2011

...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY
NIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS AND RHODE
ISLAND COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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

   GALE WATCH.

THERE IS A LOW PROBABILITY OF WEST GALES MONDAY NIGHT AND
TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ236-251015-
NARRAGANSETT BAY-
513 AM EST THU FEB 24 2011

...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NARRAGANSETT BAY.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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

   GALE WATCH.

THERE IS A LOW PROBABILITY OF WEST GALES MONDAY NIGHT AND
TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ230-251-251015-
BOSTON HARBOR-MASSACHUSETTS BAY AND IPSWICH BAY-
513 AM EST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THERE IS A MEDIUM TO HIGH PROBABILITY OF GALE FORCE WIND GUSTS
LATE FRIDAY AND FRIDAY NIGHT.

THERE IS A LOW PROBABILITY OF WEST GALES MONDAY NIGHT AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 4:31 AM ESTWinter Weather AdvisoryBOXFranklin, Hampden, Hampshire, Middlesex, Worcester36 hr
Feb 24, 4:44 AM ESTHigh Wind WatchBOXBarnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 4 more34 hr
Feb 24, 3:42 PM ESTWinter Storm WarningBOXFranklin, Hampden, Hampshire24 hr
Feb 24, 5:41 PM ESTGale WarningBOX34 hr
Feb 24, 5:41 PM ESTSmall Craft AdvisoryBOX11 hr
Feb 24, 5:41 PM ESTStorm WatchBOX11 hr

Nearby

Flood Watches in Massachusetts, 2011Flood Watches in Rhode Island, 2011Flood Watches in Connecticut, 2011Every flood watch in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.