Alert archive / Massachusetts / Flood Watches in 2009

Flood Watch 2, NWS Boston/Norton, MA

June 19, 20094 states

NWS Boston/Norton, MA issued this flood watch at Jun 19, 2009, 4:35 PM EDT for 4 states. It took effect at Jun 20, 2009, 2:00 PM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jun 19, 2009, 4:35 PM EDT (20:35 UTC)
In effect from
Jun 20, 2009, 2:00 PM EDT
Expired
Jun 21, 2009, 4:29 AM EDT
In force
14 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, 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, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 49 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 151 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 2009-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 135 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 12:00Z on 2009-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939Sfc1 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
135 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
431 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS61 KBOX 192035
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
435 PM EDT FRI JUN 19 2009

CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>008-200445-
/O.NEW.KBOX.FA.A.0002.090620T1800Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-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-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY...
KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT...BLOCK ISLAND
435 PM EDT FRI JUN 19 2009

...FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT...
 MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE 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 FRANKLIN 
 MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN 
 NORFOLK MA...EASTERN PLYMOUTH MA...NORTHERN BRISTOL MA...
 NORTHERN MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST 
 MIDDLESEX MA...SOUTHERN BRISTOL MA...SOUTHERN PLYMOUTH MA...
 SOUTHERN WORCESTER MA...SUFFOLK MA...WESTERN ESSEX MA...
 WESTERN FRANKLIN MA...WESTERN HAMPDEN MA...WESTERN HAMPSHIRE 
 MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN SOUTHERN 
 NEW HAMPSHIRE...CHESHIRE NH...EASTERN HILLSBOROUGH NH AND 
 WESTERN AND CENTRAL HILLSBOROUGH NH. IN RHODE ISLAND...BLOCK 
 ISLAND RI...BRISTOL RI...EASTERN KENT RI...NEWPORT RI...
 NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON 
 RI AND WESTERN KENT RI.

* FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON

* RECENT RAINFALL HAS LEFT THE GROUND SATURATED ACROSS MUCH OF
  SOUTHERN NEW ENGLAND. A LOW PRESSURE IS EXPECTED TO MOVE NEAR OR
  THROUGH OUR REGION LATE SATURDAY AND SATURDAY NIGHT. RAINFALL OF 1
  TO 3 INCHES IS POSSIBLE...BUT IT IS STILL TO EARLY TO SAY WHERE THE
  HEAVIEST RAINFALL WILL OCCUR.

* THIS RAINFALL HAS THE POTENTIAL TO RESULT IN URBAN AND POOR
  DRAINAGE FLOODING. SMALLER RIVERS...SOME ALREADY RUNNING
  SIGNIFICANTLY HIGHER THAN NORMAL FOR THIS TIME OF YEAR...ARE ALSO
  VULNERABLE TO POSSIBLY OVERFLOW THEIR BANKS LATER THIS WEEKEND.

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.

&&

$$

BELK
6 follow-up statements
000 
WGUS61 KBOX 200411
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
1211 AM EDT SAT JUN 20 2009

CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>008-201215-
/O.CON.KBOX.FA.A.0002.090620T1800Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-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-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY...
KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT...BLOCK ISLAND
1211 AM EDT SAT JUN 20 2009

...FLOOD WATCH REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH
SUNDAY AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN NEW
  HAMPSHIRE 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
  FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN
  NORFOLK MA...EASTERN PLYMOUTH MA... NORTHERN BRISTOL MA...NORTHERN
  MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST MIDDLESEX
  MA...SOUTHERN BRISTOL MA... SOUTHERN PLYMOUTH MA...SOUTHERN
  WORCESTER MA...SUFFOLK MA... WESTERN ESSEX MA...WESTERN FRANKLIN
  MA...WESTERN HAMPDEN MA... WESTERN HAMPSHIRE MA...WESTERN NORFOLK
  MA AND WESTERN PLYMOUTH MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE
  NH...EASTERN HILLSBOROUGH NH AND WESTERN AND CENTRAL HILLSBOROUGH
  NH. IN RHODE ISLAND...BLOCK ISLAND RI...BRISTOL RI...EASTERN KENT
  RI...NEWPORT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE
  RI...WASHINGTON RI AND WESTERN KENT RI.

* FROM THIS AFTERNOON THROUGH SUNDAY AFTERNOON

* RECENT RAINFALL HAS LEFT THE GROUND SATURATED ACROSS MUCH OF
  SOUTHERN NEW ENGLAND. A LOW PRESSURE IS EXPECTED TO MOVE NEAR OR
  THROUGH OUR REGION LATE TODAY AND TONIGHT. RAINFALL OF 1 TO 3
  INCHES IS POSSIBLE...BUT IT IS STILL TO EARLY TO SAY WHERE THE
  HEAVIEST RAINFALL WILL OCCUR.

* THIS RAINFALL HAS THE POTENTIAL TO RESULT IN URBAN AND POOR DRAINAGE
  FLOODING. SMALLER RIVERS...SOME ALREADY RUNNING SIGNIFICANTLY
  HIGHER THAN NORMAL FOR THIS TIME OF YEAR...ARE ALSO VULNERABLE TO
  POSSIBLY OVERFLOW THEIR BANKS LATER THIS WEEKEND.

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.

&&

$$
000 
WGUS61 KBOX 200859
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
459 AM EDT SAT JUN 20 2009

MAZ005>007-013>019-026-NHZ012-015-201000-
/O.CAN.KBOX.FA.A.0002.090620T1800Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON...BROCKTON...PLYMOUTH...AYER...MANCHESTER...NASHUA...
PETERBOROUGH...WEARE
459 AM EDT SAT JUN 20 2009

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR NORTHEASTERN MASSACHUSETTS AND SOUTHEASTERN NEW
HAMPSHIRE HAS BEEN CANCELLED. THIS INCLUDES ESSEX...MIDDLESEX...NORFOLK...
NORTHERN BRISTOL...WESTERN PLYMOUTH AND EASTERN PLYMOUTH COUNTIES IN
MASSACHUSETTS AND HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE. 

AS THE MODELS HAVE COME INTO BETTER AGREEMENT ON THE TRACK OF THE LOW
PRESSURE SYSTEM...THE AXIS OF HEAVIEST RAINFALL HAS BECOME EASIER TO
PINPOINT. THE HEAVIEST RAINFALL WILL BE ACROSS CONNECTICUT AND RHODE
ISLAND AND SOUTH COASTAL MASSACHUSETTS. THEREFORE WE HAVE CANCELLED
THE FLOOD WATCH FOR THE ABOVE MENTIONED AREAS FOR TONIGHT THROUGH
SUNDAY MORNING.

THE NEXT STORM MOVING TOWARDS SOUTHERN NEW ENGLAND APPEARS TO FOCUS
THE HEAVIEST RAINFALL ACROSS EASTERN MASSACHUSETTS FOR MONDAY AND
TUESDAY. ANOTHER FLOOD WATCH FOR THIS AREA MAY NEED TO BE CONSIDERED
FOLLOWING THIS INITIAL STORM.

$$

CTZ002>004-MAZ002>004-008>012-020-021-NHZ011-RIZ001>008-201700-
/O.EXT.KBOX.FA.A.0002.090620T2200Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
CHESHIRE NH-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...FALL RIVER...
NEW BEDFORD...MATTAPOISETT...JAFFREY...KEENE...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT...BLOCK ISLAND
459 AM EDT SAT JUN 20 2009

...FLOOD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH SUNDAY
AFTERNOON...

THE FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN NEW
  HAMPSHIRE AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN
  NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN
  MASSACHUSETTS...EASTERN FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN
  HAMPSHIRE MA...NORTHERN WORCESTER MA... SOUTHERN BRISTOL
  MA...SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...WESTERN
  FRANKLIN MA...WESTERN HAMPDEN MA AND WESTERN HAMPSHIRE MA. IN
  SOUTHERN NEW HAMPSHIRE...CHESHIRE NH. IN RHODE ISLAND...BLOCK
  ISLAND RI...BRISTOL RI...EASTERN KENT RI...NEWPORT RI...NORTHWEST
  PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN
  KENT RI.

* FROM THIS EVENING THROUGH SUNDAY AFTERNOON

* RECENT RAINFALL HAS LEFT THE GROUND SATURATED ACROSS MUCH OF
  SOUTHERN NEW ENGLAND. A LOW PRESSURE IS EXPECTED TO MOVE NEAR OR
  THROUGH OUR REGION LATE TODAY AND TONIGHT. RAINFALL OF 1 TO 3
  INCHES IS POSSIBLE...PARTICULARLY ACROSS CONNECTICUT...RHODE
  ISLAND...AND SOUTHEASTERN MASSACHUSETTS.

* THIS RAINFALL HAS THE POTENTIAL TO RESULT IN URBAN AND POOR
  DRAINAGE FLOODING. SMALLER RIVERS...SOME ALREADY RUNNING
  SIGNIFICANTLY HIGHER THAN NORMAL FOR THIS TIME OF YEAR...ARE ALSO
  VULNERABLE TO POSSIBLY OVERFLOW THEIR BANKS LATER THIS WEEKEND.

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.

&&

$$

RLG
000 
WGUS61 KBOX 201619
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
1218 PM EDT SAT JUN 20 2009

CTZ002>004-MAZ002>004-008>012-020-021-NHZ011-RIZ001>008-202215-
/O.CON.KBOX.FA.A.0002.090620T2200Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
CHESHIRE NH-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...FALL RIVER...
NEW BEDFORD...MATTAPOISETT...JAFFREY...KEENE...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT...BLOCK ISLAND
1218 PM EDT SAT JUN 20 2009

...FLOOD WATCH REMAINS IN EFFECT FROM 6 PM EDT THIS EVENING
THROUGH SUNDAY AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN 
 NEW HAMPSHIRE AND RHODE ISLAND...INCLUDING THE FOLLOWING 
 AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND 
 WINDHAM CT. IN MASSACHUSETTS...EASTERN FRANKLIN MA...EASTERN 
 HAMPDEN MA...EASTERN HAMPSHIRE MA...NORTHERN WORCESTER MA...
 SOUTHERN BRISTOL MA...SOUTHERN PLYMOUTH MA...SOUTHERN 
 WORCESTER MA...WESTERN FRANKLIN MA...WESTERN HAMPDEN MA AND 
 WESTERN HAMPSHIRE MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE NH. 
 IN RHODE ISLAND...BLOCK ISLAND RI...BRISTOL RI...EASTERN KENT 
 RI...NEWPORT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST 
 PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI.

* FROM 6 PM EDT THIS EVENING THROUGH SUNDAY AFTERNOON

* RECENT RAINFALL HAS LEFT THE GROUND SATURATED ACROSS INTERIOR PARTS
  OF SOUTHERN NEW ENGLAND. HEAVY RAIN IN PORTIONS OF SOUTHERN NEW
  YORK STATE WILL MOVE INTO A PART OF SOUTHERN NEW ENGLAND TONIGHT.
  THERE MAY ALSO BE REDEVELOPMENT OF HEAVY RAIN SUNDAY. IF MORE THAN
  1.3 INCHES OCCURS IN AN HOUR OR MORE 2.75 INCHES IN 24 HOURS...
  SIGNIFICANT SMALL STREAM FLOODING WOULD OCCUR. DUE TO THE
  UNCERTAINTY ASSOCIATED WITH THE TRACK OF HEAVY RAINFALL...A WATCH
  HAS BEEN CONTINUED. THE MOST VULNERABLE AREA FOR FLOODING BY
  DAYBREAK SUNDAY LIES BETWEEN THE CONNECTICUT RIVER AND THE EAST
  SLOPES OF BOTH THE BERKSHIRES AND LITCHFIELD HILLS.

* THERE IS ALSO POTENTIAL IN URBAN AND POOR DRAINAGE FLOODING
  TONIGHT. SMALLER RIVERS...SOME ALREADY RUNNING SIGNIFICANTLY HIGHER
  THAN NORMAL FOR THIS TIME OF YEAR...ARE ALSO VULNERABLE TO POSSIBLY
  OVERFLOW THEIR BANKS SUNDAY.

* THE GENERATING LOW PRESSURE SYSTEM CURRENTLY IN SOUTHWEST NEW YORK
  STATE WILL MOVE TO NEAR NEW YORK CITY THIS EVENING THEN MEANDER TO
  SOUTH AND SOUTHEAST NANTUCKET SUNDAY THROUGH WEDNESDAY. THIS
  SHOULD SHIFT ATTENTION FOR OCCASIONALLY HEAVY RAIN TO COASTAL
  SOUTHEAST NEW ENGLAND SUNDAY INTO EARLY NEXT WEEK.
 


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.

&&

$$


DRAG
000 
WGUS61 KBOX 202016
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
416 PM EDT SAT JUN 20 2009

MAZ002>004-008-010-012-020-021-NHZ011-RIZ001-002-005-007-202130-
/O.CAN.KBOX.FA.A.0002.090620T2200Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-EASTERN HAMPSHIRE MA-SOUTHERN WORCESTER MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-CHESHIRE NH-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-BRISTOL RI-
NEWPORT RI-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...AMHERST...NORTHAMPTON...
MILFORD...WORCESTER...FALL RIVER...NEW BEDFORD...MATTAPOISETT...
JAFFREY...KEENE...FOSTER...SMITHFIELD...PROVIDENCE...BRISTOL...
NEWPORT
416 PM EDT SAT JUN 20 2009

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF MASSACHUSETTS...SOUTHERN NEW
HAMPSHIRE AND RHODE ISLAND HAS BEEN CANCELED. 

THE WATCH IS NO LONGER IN EFFECT FOR WORCESTER...HAMPSHIRE AND 
FRANKLIN COUNTIES OF MASSACHUSETTS...SOUTHERN PARTS OF BRISTOL AND
PLYMOUTH COUNTIES...CHESHIRE COUNTY NEW HAMPSHIRE...PROVIDENCE
BRISTOL AND NEWPORT COUNTIES IN RHODE ISLAND.

HEAVIEST RAIN SHOULD OCCUR JUST SOUTH OF THIS REGION TONIGHT INTO
SUNDAY MORNING. 

$$

CTZ002>004-MAZ009-011-RIZ003-004-006-008-210430-
/O.EXT.KBOX.FA.A.0002.090621T0100Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN HAMPDEN MA-
EASTERN HAMPDEN MA-WESTERN KENT RI-EASTERN KENT RI-WASHINGTON RI-
BLOCK ISLAND RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...BLANDFORD...SPRINGFIELD...
WEST GREENWICH...WARWICK...NARRAGANSETT...WESTERLY...BLOCK ISLAND
416 PM EDT SAT JUN 20 2009

...FLOOD WATCH NOW IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
SUNDAY AFTERNOON...

THE FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF NORTHERN CONNECTICUT...WESTERN MASSACHUSETTS AND 
 RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
 CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
 WESTERN MASSACHUSETTS...EASTERN HAMPDEN MA AND WESTERN HAMPDEN 
 MA. IN RHODE ISLAND...BLOCK ISLAND RI...EASTERN KENT RI...
 WASHINGTON RI AND WESTERN KENT RI.

* FROM 9 PM EDT THIS EVENING THROUGH SUNDAY AFTERNOON

* RECENT RAINFALL HAS LEFT THE GROUND SATURATED ACROSS INTERIOR PARTS
  OF SOUTHERN NEW ENGLAND. HEAVY RAIN IN PORTIONS OF SOUTHERN NEW
  YORK STATE WILL MOVE INTO A PART OF SOUTHERN NEW ENGLAND TONIGHT.
  THERE MAY ALSO BE REDEVELOPMENT OF HEAVY RAIN SUNDAY. IF MORE THAN
  1.3 INCHES OCCURS IN AN HOUR OR MORE 2.75 INCHES IN 24 HOURS...
  SIGNIFICANT SMALL STREAM FLOODING WOULD OCCUR. DUE TO THE
  UNCERTAINTY ASSOCIATED WITH THE TRACK OF HEAVY RAINFALL...THE FLOOD
  WATCH HAS BEEN CONTINUED. THE MOST VULNERABLE AREA FOR FLOODING BY
  DAYBREAK SUNDAY LIES BETWEEN THE CONNECTICUT RIVER AND THE EAST
  SLOPES OF BOTH THE BERKSHIRES AND LITCHFIELD HILLS AND BLOCK ISLAND
  RHODE ISLAND. THE AREAL OF COVERAGE OF THIS WATCH HAS BEEN
  SHRINKING AND ITS POSSIBLE THE ENTIRE WATCH WILL BE CANCELED LATE
  TONIGHT...IF IT BECOMES COMPLETELY CERTAIN THAT THE HEAVY RAINS
  MISS TO OUR SOUTH.


* THERE IS POTENTIAL IN URBAN AND POOR DRAINAGE FLOODING LATER TONIGHT.
  SMALLER RIVERS...SOME ALREADY RUNNING SIGNIFICANTLY HIGHER THAN
  NORMAL FOR THIS TIME OF YEAR...ARE ALSO VULNERABLE TO POSSIBLY
  OVERFLOW THEIR BANKS SUNDAY.

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.

&&

$$


DRAG
000 
WGUS61 KBOX 210521 AAA
FFABOX

FLOOD WATCH...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
121 AM EDT SUN JUN 21 2009

CTZ002>004-MAZ009-011-RIZ003-004-006-008-210830-
/O.CON.KBOX.FA.A.0002.000000T0000Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN HAMPDEN MA-
EASTERN HAMPDEN MA-WESTERN KENT RI-EASTERN KENT RI-WASHINGTON RI-
BLOCK ISLAND RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...BLANDFORD...SPRINGFIELD...
WEST GREENWICH...WARWICK...NARRAGANSETT...WESTERLY...BLOCK ISLAND
121 AM EDT SUN JUN 21 2009

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

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...WESTERN MASSACHUSETTS AND 
 RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
 CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
 WESTERN MASSACHUSETTS...EASTERN HAMPDEN MA AND WESTERN HAMPDEN 
 MA. IN RHODE ISLAND...BLOCK ISLAND RI...EASTERN KENT RI...
 WASHINGTON RI AND WESTERN KENT RI.

* THROUGH THIS AFTERNOON

* RECENT RAINFALL HAS LEFT THE GROUND SATURATED ACROSS INTERIOR PARTS
  OF SOUTHERN NEW ENGLAND. MODERATE TO HEAVY RAIN ACROSS PORTIONS OF
  CONNECTICUT INTO HAMDEN COUNTY OF MASSACHUSETTS WILL CONTINUE
  OVERNIGHT AND INTO EARLY SUNDAY MORNING. THE MOST VULNERABLE AREA
  FOR FLOODING BY DAYBREAK LIES BETWEEN THE CONNECTICUT RIVER AND THE
  EAST SLOPES OF BOTH THE BERKSHIRES AND LITCHFIELD HILLS AND BLOCK
  ISLAND RHODE ISLAND. THE AREAL OF COVERAGE OF THIS WATCH HAS BEEN
  SHRINKING AND ITS POSSIBLE THE ENTIRE WATCH WILL BE CANCELED EARLY
  THIS MORNING...IF IT BECOMES COMPLETELY CERTAIN THAT THE HEAVY
  RAINS MISS TO OUR SOUTH.

* THERE IS POTENTIAL IN URBAN AND POOR DRAINAGE FLOODING LATER 
 TONIGHT. SMALLER RIVERS...SOME ALREADY RUNNING SIGNIFICANTLY 
 HIGHER THAN NORMAL FOR THIS TIME OF YEAR...ARE ALSO VULNERABLE 
 TO POSSIBLY OVERFLOW THEIR BANKS SUNDAY. 

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.

&&

$$
000 
WGUS61 KBOX 210829
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
429 AM EDT SUN JUN 21 2009

...THE RISK FOR HEAVY RAIN AND FLOODING HAS DIMINISHED...

CTZ002>004-MAZ009-011-RIZ003-004-006-008-210930-
/O.CAN.KBOX.FA.A.0002.000000T0000Z-090621T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN HAMPDEN MA-
EASTERN HAMPDEN MA-WESTERN KENT RI-EASTERN KENT RI-WASHINGTON RI-
BLOCK ISLAND RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...BLANDFORD...SPRINGFIELD...
WEST GREENWICH...WARWICK...NARRAGANSETT...WESTERLY...BLOCK ISLAND
429 AM EDT SUN JUN 21 2009

...FLOOD WATCH IS CANCELLED...

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

THE RISK FOR HEAVY RAIN AND FLOODING HAS DIMINISHED. WHILE PERIODS OF
RAIN ARE EXPECTED TODAY...TONIGHT AND MONDAY...RAINFALL AMOUNTS ARE
NOT ANTICIPATED TO BE HEAVY ENOUGH TO INDUCE FLOODING. THEREFORE THE
FLOOD WATCH HAS BEEN CANCELED. 

$$

NOCERA

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 Jun 19, 4:28 PM EDT, 7 minutes earlier.

Area forecast discussion, Jun 19, 4:28 PM EDT, 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
428 PM EDT FRI JUN 19 2009

.SYNOPSIS...
WEAK LOW PRESSURE WILL MOVE EAST INTO THE GULF OF MAINE TONIGHT. A
STRONGER LOW PRESSURE WILL MOVE FROM THE GREAT LAKES TO THE MID
ATLANTIC STATES ON SATURDAY. THIS LOW WILL LIKELY MEANDER SOUTH OF
CAPE COD UNTIL EARLY NEXT WEEK. AS A RESULT OF ALL THESE WEATHER
SYSTEMS...PERIODS OF SHOWERS...LOCALLY HEAVY AT TIMES...ARE POSSIBLE
THROUGH THIS WEEKEND INTO EARLY NEXT WEEK.

&&

.NEAR TERM /UNTIL 10 PM THIS EVENING/...
BULK OF THE MEASURABLE RAINFALL HAS MOVED OFF THE COAST LATE THIS
AFTERNOON...BUT CANNOT RULE OUT EITHER A SPRINKLE OR PATCH OF DRIZZLE
THIS EVENING WITH ABUNDANT LOW LEVEL MOISTURE IN PLACE.

DO NOT EXPECT MUCH CLEARING AFTER SUNSET...EVEN WITH THE DIURNAL
LOOKING NATURE OF THE CLOUDS ACROSS SOUTHERN NEW ENGLAND.

&&

.SHORT TERM /10 PM THIS EVENING THROUGH SATURDAY NIGHT/...
A COMPLEX SITUATION IS DEVELOPING DURING THIS PORTION OF THE
FORECAST. NOT MUCH AGREEMENT AMONGST THE MODELS IN THE DETAILS...BUT
ARE STARTING TO SEE SOME TRENDS.

12Z GFS APPEARS TO BE SUFFERING FROM CONVECTIVE FEEDBACK...RAISING
MAJOR QUESTIONS WITH ITS SOLUTION. NAM AND ECMWF ARE CLOSE...WITH THE
GEFS MEAN RIGHT IN BETWEEN THEM. 12Z GGEM IS ALSO IN THE CAMP...BUT
MORE OF A NORTHERN OUTLIER. FOR THIS FORECAST...IGNORED THE GFS
SOLUTION AND WENT IN BETWEEN THE GGEM AND NAM.

THE BIGGEST QUESTION WILL BE THE TRACK OF A MESOSCALE CONVECTIVE
SYSTEM LATER TONIGHT INTO SATURDAY MORNING. THIS COULD HAVE A
PROFOUND INFLUENCE ON THE MID LEVEL FLOW...POSSIBLY RESULTING IN A
COURSE CORRECTION FOR A LOW PRESSURE MOVING EAST FROM THE GREAT LAKES
SATURDAY AFTERNOON INTO SATURDAY NIGHT. RAINFALL COULD BE A
PROBLEM...SO HAVE ISSUED A FLOOD WATCH FOR MOST OF SOUTHERN NEW
ENGLAND. PLEASE SEE THE HYDROLOGY SECTION FOR MORE DETAILS.

THIS LOW PRESSURE SHOULD MOVE OFF THE COAST LATE SATURDAY
NIGHT...BRINGING AN END TO OUR RAIN FROM NORTHWEST TO SOUTHEAST.

&&

.LONG TERM /SUNDAY THROUGH FRIDAY/...
CONFIDENCE IS FAIRLY HIGH IN AN UNSETTLED PATTERN EARLY IN THE
FORECAST PERIOD...HOWEVER...CONFIDENCE IN THE DETAILS...SUCH AS
POPS AND AMOUNT OF RAIN WE GET IS LOW.

AFTER PERUSING THE 12Z MODEL SUITE...IT WAS CONCLUDED THAT A MIXTURE
OF HPC AND ECMWF GUIDANCE IS PROBABLY THE BEST SOLUTION AT THIS TIME.
THEREFORE...A LOW TRACK FURTHER SOUTH THAN THE GFS SUNDAY INTO
MONDAY IS PREFERRED. WENT WITH LOW LIKELY POPS FOR SHOWERS SUNDAY AS
INFLOW SHOULD BE PRETTY GOOD /+2 TO +4 STANDARD DEVIATION EASTERLY
COMPONENT/ AT 925 AND 850 MB. PWATS LOOK TO REMAIN ANOMALOUSLY
HIGH...SO HEAVY SHOWER ACTIVITY IS CERTAINLY NOT OUT OF THE QUESTION.
THE QUESTION THAT DOES REMAIN THOUGH IS HOW FAR NORTH DOES THE MAIN
BAND OF HEAVIER PRECIPITATION GET. AT THIS TIME...IT MAY VERY WELL
REMAIN JUST TO THE SOUTH OF NEW ENGLAND. NONETHELESS...THE WEATHER
WILL LIKELY BE CLOUDY WITH PERIODS OF SHOWERS SUNDAY RIGHT THROUGH
TUESDAY.

THE STACKED LOW OPENS UP A BIT AND MOVES NORTH MIDWEEK...AND THIS
SHOULD ALLOW FOR A WARMING TREND...AND MORE IMPORTANTLY A DRIER ONE.
EARLY INDICATIONS ARE THAT A LONG-AWAITED RETURN OF SUMMER-LIKE
WEATHER TOWARD THE END OF NEXT WEEK...HOWEVER...LOW CONFIDENCE ON
THAT ATTM.

THE RISK FOR STRONG RIP CURRENTS WILL INCREASE SUNDAY AND LAST
THROUGH AT LEAST TUESDAY...ESPECIALLY ON EAST FACING OCEAN BEACHES.

&&

.AVIATION /20Z FRIDAY THROUGH WEDNESDAY/...
LOW PRESSURE NEAR BOSTON MID AFTERNOON WILL MOVE EAST OF
MASSACHUSETTS TONIGHT. LINGERING IFR CIGS AND VSBYS IN THE SOUTH FLOW
AHEAD OF THIS LOW...CONDITIONS SHOULD IMPROVE TO VFR WITH SCATTERED
MVFR CIGS IN SHOWERS AS THE LOW MOVES OFFSHORE AND THE FLOW BECOMES
LIGHT NORTH.  THE SCATTERED SHOWERS SHOULD DIMINISH THIS EVENING.

VFR AND SCATTERED MVFR CIGS EARLY TONIGHT. PLENTY OF MOISTURE AT LOW
LEVELS WITH ADDITIONAL MOISTURE EVAPORATING FROM WET GROUND. SO WE
EXPECT IFR CIGS AND VSBYS TO REDEVELOP TONIGHT WITH LIFR CIGS/VSBYS
IN FOG AND DRIZZLE IN PLACES LIKE WORCESTER AND NANTUCKET.

IFR AND LIFR CONDITIONS TO START ON SATURDAY WITH CONDITIONS BRIEFLY
IMPROVING TO VFR VSBYS AND MVFR/VFR CIGS. BUT THE EAST FLOW RESUMES
BY MID AFTERNOON AS ANOTHER LOW APPROACHES FROM THE WEST. EXPECT
CONDITIONS TO LOWER FROM WEST TO EAST MID TO LATE AFTERNOON...TO IFR
WITH AREAS OF LIFR IN RAIN AND FOG BY SATURDAY NIGHT.

OUTLOOK /SUNDAY THROUGH WEDNESDAY/...
WIDESPREAD IFR CONDITIONS LIKELY IN LOW CEILINGS...SHOWERS AND FOG
SUNDAY WITH A PREVAILING E/NE FLOW. LOW PROBABILITY OF AREAS OF LIFR
DURING THIS TIME. GUSTY ENE WINDS POSSIBLE LATE SUN INTO MON WITH
GUSTS NEAR 30 KT POSSIBLE AT HYA/FMH/ACK.

MVFR CIGS MON THROUGH TUE WITH SCATTERED SHOWERS. PERIODS OF VFR
CONDITIONS POSSIBLE...ESPECIALLY BY WED.

&&

.MARINE...
ONE LOW PRESSURE OVER EAST OF THE WATERS TONIGHT...WITH ANOTHER LOW
PRESSURE ARRIVE SATURDAY NIGHT, NOT EXPECTING WINDS TO GET VERY
STRONG DURING THIS TIME.  LINGERING SEAS OF 3-6 FT ACROSS THE OUTER
WATERS EXPECTED THROUGH SATURDAY NIGHT DUE TO SOUTHEAST SWELLS. SEAS
EXPECTED TO DIMINISH ACROSS BLOCK ISLAND AND RHODE ISLAND SOUNDS
EARLY THIS EVENING.

OUTLOOK /SUNDAY THROUGH WEDNESDAY/...

SUNDAY AND MONDAY...SLOW MOVING LOW PRESSURE MOVES TO A POSITION WELL
SOUTH OF NANTUCKET SUNDAY. THE LOW WILL THEN MEANDER THERE BEFORE
WEAKENING AND MOVING NORTHWARD MONDAY NIGHT THROUGH TUESDAY. SEAS
WILL GRADUALLY BUILD IN RESPONSE TO THE SLOW MOVEMENT OF THE LOW AND
IT/S ASSOCIATED PRESSURE GRADIENT. AT THIS TIME...THE TRACK AND
STRENGTH OF THE LOW ARE A BIT UNCERTAIN...BUT THE LONG
EASTERLY/NORTHEASTERLY FETCH OF WIND SHOULD ALLOW OUTER WATER SEAS TO
BUILD TO AT LEAST 8 FEET BY EARLY MONDAY...AND QUITE POSSIBLY UP TO
15 FEET. WINDS ON MOST ZONES SHOULD INCREASE TO 20 TO 30 KT.

SEAS AND WINDS BEGIN TO SUBSIDE LATER TUESDAY AND CERTAINLY INTO
WEDNESDAY.

&&

.HYDROLOGY...
A COMPLEX PATTERN IS EMERGING THIS WEEKEND. MAINLY TRIBUTARIES OF THE
MAINSTEM RIVERS ARE RUNNING SIGNIFICANTLY HIGHER THAN NORMAL. RECENT
RAINFALL HAS ALSO HELPED TO SATURATE THE GROUND...WHICH WOULD RESULT
IN QUICKER RUNOFF. THIS IS THE MAIN CONCERN FOR LATER THIS WEEKEND...
ALONG WITH POSSIBLE URBAN AND POOR DRAINAGE FLOODING.

THE BIG QUESTION WILL BE WHERE THE AXIS OF HEAVIER RAINFALL SETS UP
SATURDAY AFTERNOON INTO SATURDAY NIGHT. GIVEN THE POTENTIAL FOR 1 TO
3 INCHES OF RAIN IN A RELATIVELY SHORT PERIOD OF TIME...EVEN WITH
THIS UNCERTAINTY...THINK IT IS BEST TO GO WITH A FLOOD WATCH.

&&

.TIDES/COASTAL FLOODING...
NO ISSUES IN SHORT TERM. HOWEVER...APPROACHING SPRING TIDE CYCLE
LATER THIS WEEKEND INTO NEXT WEEK. ALL MEDIUM RANGE MODELS DEPICT
UPPER LOW AND SURFACE REFLECTION PASSING SLOWLY S OF NEW ENGLAND.
POTENTIAL FOR 20 TO 30 KT E FLOW...SURGE OF 1 TO 2 FT AND WAVES UP TO
AT LEAST 10 FT JUST OFFSHORE. THIS COULD BRING A RISK OF AT LEAST
MINOR COASTAL FLOODING ACROSS EASTERN MA FOR THE HIGH TIDE CYCLES SUN
NIGHT THROUGH MON NIGHT OR TUE NIGHT.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...FLOOD WATCH FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON
     FOR CTZ002>004.
MA...FLOOD WATCH FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON
     FOR MAZ002>021-026.
NH...FLOOD WATCH FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON
     FOR NHZ011-012-015.
RI...FLOOD WATCH FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON
     FOR RIZ001>008.
MARINE...SMALL CRAFT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR ANZ235-
     237.
     SMALL CRAFT ADVISORY UNTIL 6 AM EDT SUNDAY FOR ANZ250-254-255.

&&

SYNOPSIS...EKSTER
NEAR TERM...BELK
SHORT TERM...BELK
LONG TERM...EKSTER
AVIATION...WTB/EKSTER
MARINE...BELK/EKSTER
HYDROLOGY...BELK/NOCERA
TIDES/COASTAL FLOODING...BELK/NOCERA
Hazardous weather outlook, Jun 19, 4:32 AM EDT, 12 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
432 AM EDT FRI JUN 19 2009

MAZ005>007-013>019-021-022-200845-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-
432 AM EDT FRI JUN 19 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN MASSACHUSETTS...
NORTHEASTERN MASSACHUSETTS AND SOUTHEASTERN MASSACHUSETTS.

.DAY ONE...TODAY AND TONIGHT.

SHOWERS PRODUCING LOCALLY HEAVY RAIN ARE LIKELY THIS MORNING. WHILE NO
SIGNIFICANT PROBLEMS ARE EXPECTED...THE POTENTIAL IS THERE FOR
TYPICAL POOR DRAINAGE STREET FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SHOWERS AND SCATTERED THUNDERSTORMS WILL BRING LOCALLY HEAVY RAIN
SATURDAY AFTERNOON AND NIGHT. IT IS STILL TOO EARLY TO TELL WHERE THE
HEAVIEST RAIN WILL FALL...BUT THERE IS A RISK FOR SOME FLOODING.
ISOLATED THUNDERSTORMS ALSO WILL BE POSSIBLE SATURDAY AFTERNOON AND
EVENING.

THERE WILL BE AN INCREASED RISK OF DANGEROUS RIP CURRENTS THROUGH
THE WEEKEND AT AREA BEACHES...ESPECIALLY EAST FACING BEACHES ON CAPE
COD AND NANTUCKET.

THERE IS THE POTENTIAL FOR MINOR COASTAL FLOODING DURING THE TIMES
OF HIGH TIDES SUNDAY AND MONDAY ALONG EAST FACING BEACHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ002>004-MAZ002>004-008>012-026-NHZ011-012-015-RIZ001>005-200845-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER 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-
432 AM EDT FRI JUN 19 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...
CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...WESTERN
MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND NORTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SHOWERS AND SCATTERED THUNDERSTORMS WILL BRING LOCALLY HEAVY RAIN
SATURDAY AFTERNOON AND NIGHT. IT IS STILL TOO EARLY TO TELL WHERE THE
HEAVIEST RAIN WILL FALL...BUT THERE IS A RISK FOR SOME FLOODING.
ISOLATED THUNDERSTORMS ALSO WILL BE POSSIBLE SATURDAY AFTERNOON AND
EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230>237-250-254-255-200845-
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-
432 AM EDT FRI JUN 19 2009

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...SATURDAY THROUGH THURSDAY.

ISOLATED THUNDERSTORMS ARE POSSIBLE SATURDAY AND SATURDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MAZ020-023-024-RIZ006>008-200845-
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-NEWPORT RI-
BLOCK ISLAND RI-
432 AM EDT FRI JUN 19 2009

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

.DAY ONE...TODAY AND TONIGHT.

SHOWERS PRODUCING LOCALLY HEAVY RAIN ARE LIKELY THROUGH THE MORNING HOURS.
WHILE NO SIGNIFICANT PROBLEMS ARE EXPECTED...THE POTENTIAL IS THERE
FOR TYPICAL POOR DRAINAGE STREET FLOODING.

THERE IS A MODERATE RISK OF DANGEROUS RIP CURRENTS AT AREA BEACHES ALONG
THE SOUTH COAST TODAY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SHOWERS AND SCATTERED THUNDERSTORMS WILL BRING LOCALLY HEAVY RAIN
SATURDAY AFTERNOON AND NIGHT. IT IS STILL TOO EARLY TO TELL WHERE THE
HEAVIEST RAIN WILL FALL...BUT THERE IS A RISK FOR SOME FLOODING.
ISOLATED THUNDERSTORMS ALSO WILL BE POSSIBLE SATURDAY AFTERNOON AND
EVENING.

THERE WILL BE AN INCREASED RISK OF DANGEROUS RIP CURRENTS THROUGH
THE WEEKEND AT AREA BEACHES...ESPECIALLY EAST FACING BEACHES ON CAPE
COD AND NANTUCKET.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

Nearby

Flood Watches in Massachusetts, 2009Flood Watches in Rhode Island, 2009Flood Watches in New Hampshire, 2009Every flood watch in 2009

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.