Alert archive / Massachusetts / Flood Watches in 2015

Flood Watch 2, NWS Boston/Norton, MA

June 27, 20159 counties in Massachusetts; 5 counties in Rhode Island

NWS Boston/Norton, MA issued this flood watch at Jun 27, 2015, 4:28 AM EDT for 9 counties in Massachusetts; 5 counties in Rhode Island. It took effect at Jun 28, 2015, 2:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jun 27, 2015, 4:28 AM EDT (08:28 UTC)
In effect from
Jun 28, 2015, 2:00 AM EDT
Expired
Jun 28, 2015, 11:22 AM EDT
In force
9 hr
Issued by
NWS Boston/Norton, MA
Flood severity
None

Counties 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, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 35 km from the middle of the area, began a volume at 08:32 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, 8.5 hours before the alert went out and 137 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 2015-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 00:00Z on 2015-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939587897117Sfc1 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
1441 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
3 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.

886 
WGUS61 KBOX 270828
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
428 AM EDT SAT JUN 27 2015

...HEAVY RAIN MAY CAUSE FLOODING ACROSS THE EAST SLOPE OF THE
BERKS LATE TONIGHT INTO SUNDAY...

MAZ002-008-009-271630-
/O.NEW.KBOX.FA.A.0002.150628T0400Z-150629T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
428 AM EDT SAT JUN 27 2015

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY
NIGHT...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLOOD WATCH FOR A PORTION OF WESTERN MASSACHUSETTS...INCLUDING
  THE FOLLOWING WESTERN FRANKLIN...WESTERN HAMPDEN AND WESTERN
  HAMPSHIRE.

* FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT

* LOW PRESSURE WILL BRING 1 TO 3 INCHES OF RAINFALL ALONG THE EAST
  SLOPE OF THE BERKSHIRES IN MASSACHUSETTS. LOCALLY HIGHER AMOUNTS
  ARE POSSIBLE DUE TO THE UPSLOPE POTENTIAL. THIS MAY CAUSE SOME
  OF THE FLASHY RIVERS AND STREAMS TO REACH OR EXCEED
  BANKFULL...PARTICULARLY ON 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.

&&

$$

DUNTEN
6 follow-up statements
188 
WGUS61 KBOX 271301
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
901 AM EDT SAT JUN 27 2015

...HEAVY RAIN MAY CAUSE FLOODING ACROSS THE EAST SLOPE OF THE
BERKS LATE TONIGHT INTO SUNDAY...

MAZ002-008-009-272115-
/O.CON.KBOX.FA.A.0002.150628T0400Z-150629T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
901 AM EDT SAT JUN 27 2015

...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN MASSACHUSETTS...INCLUDING THE FOLLOWING 
  WESTERN FRANKLIN...WESTERN ...HAMPDEN AND WESTERN HAMPSHIRE. 

* FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT

* LOW PRESSURE WILL BRING 1 TO 3 INCHES OF RAINFALL ALONG THE 
  EAST SLOPE OF THE BERKSHIRES IN MASSACHUSETTS. LOCALLY HIGHER 
  AMOUNTS ARE POSSIBLE DUE TO THE UPSLOPE POTENTIAL. THIS MAY 
  CAUSE SOME OF THE FLASHY RIVERS AND STREAMS TO REACH OR EXCEED 
  BANKFULL...PARTICULARLY ON 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.

&&

$$
230 
WGUS61 KBOX 271940
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
340 PM EDT SAT JUN 27 2015

...HEAVY RAIN MAY CAUSE LOCALIZED FLOODING ACROSS THE EAST SLOPE
OF THE BERKSHIRES AS WELL AS THE TYPICALLY PRONE URBAN AREAS OF
EASTERN MASSACHUSETTS AND RHODE ISLAND VERY LATE TONIGHT AND
SUNDAY...

MAZ005>007-013>021-RIZ001>007-280345-
/O.EXB.KBOX.FA.A.0002.150628T0800Z-150628T1800Z/
/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-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...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...WESTERLY...
NEWPORT
340 PM EDT SAT JUN 27 2015

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXPANDED THE

* FLOOD WATCH TO INCLUDE MUCH OF EASTERN MASSACHUSETTS AND RHODE
  ISLAND.

* FROM LATE TONIGHT THROUGH EARLY SUNDAY AFTERNOON

* STEADY RAIN DEVELOPS THIS EVENING. THE RAIN WILL BECOME HEAVY
  AFTER MIDNIGHT. THE HEAVIEST OF THE RAIN IS EXPECTED TO FALL
  BETWEEN 3 AND 11 AM SUNDAY MORNING. THE RAIN SHOULD TAPER TO
  SCATTERED SHOWERS BY MID TO LATE AFTERNOON ON SUNDAY.

* WIDESPREAD 1 TO 3 INCHES OF RAIN ARE EXPECTED ACROSS THE REGION.
  HOWEVER...LOCALIZED 3 TO 4 INCH RAINFALL AMOUNTS ARE POSSIBLE.
  THIS MAY LEAD TO AREAS OF URBAN AND POOR DRAINAGE STREET
  FLOODING...ESPECIALLY IN THE TYPICALLY PRONE LOCATIONS.

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.

&&

$$

MAZ002-008-009-280345-
/O.EXT.KBOX.FA.A.0002.150628T0600Z-150629T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
340 PM EDT SAT JUN 27 2015

...FLOOD WATCH NOW IN EFFECT FROM 2 AM EDT SUNDAY THROUGH LATE
SUNDAY NIGHT...

THE FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF WESTERN MASSACHUSETTS...INCLUDING THE FOLLOWING 
  WESTERN FRANKLIN...WESTERN ...HAMPDEN AND WESTERN HAMPSHIRE.

* STEADY RAIN DEVELOPS THIS EVENING. THE RAIN WILL BECOME HEAVY
  AFTER MIDNIGHT. THE HEAVIEST OF THE RAIN IS EXPECTED TO FALL
  BETWEEN 1 AND 10 AM SUNDAY MORNING. THE RAIN SHOULD TAPER TO
  SCATTERED SHOWERS BY MID AFTERNOON ON SUNDAY.

* WIDESPREAD 1 TO 3 INCHES OF RAIN ARE EXPECTED ACROSS THE
  REGION. HOWEVER...LOCALIZED 3 TO 4 INCH IN AMOUNTS ARE POSSIBLE.
  THIS MAY CAUSE SOME OF THE FLASHY RIVERS AND STREAMS TO REACH OR
  EXCEED BANKFULL...PARTICULARLY ON 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.

&&

$$

FRANK
155 
WGUS61 KBOX 280210
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
1010 PM EDT SAT JUN 27 2015

...HEAVY RAIN MAY CAUSE LOCALIZED FLOODING ACROSS THE EAST SLOPE
OF THE BERKSHIRES AS WELL AS THE TYPICALLY PRONE URBAN AREAS OF
EASTERN MASSACHUSETTS AND RHODE ISLAND VERY LATE TONIGHT AND
SUNDAY...

MAZ005>007-013>021-RIZ001>007-281015-
/O.CON.KBOX.FA.A.0002.150628T0800Z-150628T1800Z/
/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-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...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...WESTERLY...
NEWPORT
1010 PM EDT SAT JUN 27 2015

...FLOOD WATCH REMAINS IN EFFECT FROM 4 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF MASSACHUSETTS AND RHODE ISLAND...INCLUDING THE 
  FOLLOWING IN MASSACHUSETTS...BRISTOL...CENTRAL ...AND 
  SOUTHEAST MIDDLESEX...ESSEX...NORFOLK...PLYMOUTH AND SUFFOLK. 
  IN RHODE ISLAND...BRISTOL...KENT...NEWPORT...PROVIDENCE AND 
  WASHINGTON. 

* FROM 4 AM EDT SUNDAY THROUGH SUNDAY AFTERNOON

* STEADY RAIN DEVELOPS THIS EVENING. THE RAIN WILL BECOME HEAVY 
  AFTER MIDNIGHT. THE HEAVIEST OF THE RAIN IS EXPECTED TO FALL 
  BETWEEN 3 AND 11 AM SUNDAY MORNING. THE RAIN SHOULD TAPER TO 
  SCATTERED SHOWERS BY MID TO LATE AFTERNOON ON SUNDAY. 

* WIDESPREAD 1 TO 3 INCHES OF RAIN ARE EXPECTED ACROSS THE 
  REGION. HOWEVER...LOCALIZED 3 TO 4 INCH RAINFALL AMOUNTS ARE 
  POSSIBLE. THIS MAY LEAD TO AREAS OF URBAN AND POOR DRAINAGE 
  STREET FLOODING...ESPECIALLY IN THE TYPICALLY PRONE LOCATIONS. 

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.

&&

$$

MAZ002-008-009-281015-
/O.CON.KBOX.FA.A.0002.150628T0600Z-150629T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
1010 PM EDT SAT JUN 27 2015

...FLOOD WATCH REMAINS IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
LATE SUNDAY NIGHT...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN MASSACHUSETTS...INCLUDING THE FOLLOWING 
  WESTERN FRANKLIN...WESTERN ...HAMPDEN AND WESTERN HAMPSHIRE. 

* FROM 2 AM EDT SUNDAY THROUGH LATE SUNDAY NIGHT

* WIDESPREAD 1 TO 3 INCHES OF RAIN ARE EXPECTED ACROSS THE 
  REGION. HOWEVER...LOCALIZED 3 TO 4 INCH IN AMOUNTS ARE 
  POSSIBLE. THIS MAY CAUSE SOME OF THE FLASHY RIVERS AND STREAMS 
  TO REACH OR EXCEED BANKFULL...PARTICULARLY ON 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.

&&

$$
732 
WGUS61 KBOX 280803
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
403 AM EDT SUN JUN 28 2015

...HEAVY RAIN MAY CAUSE LOCALIZED FLOODING ACROSS THE EAST SLOPE
OF THE BERKSHIRES AS WELL AS THE TYPICALLY PRONE URBAN AREAS OF
EASTERN MASSACHUSETTS AND RHODE ISLAND TODAY...

MAZ005>007-013>021-RIZ001>007-281615-
/O.CON.KBOX.FA.A.0002.000000T0000Z-150628T1800Z/
/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-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...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON...BROCKTON...PLYMOUTH...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...WESTERLY...
NEWPORT
403 AM EDT SUN JUN 28 2015

...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF MASSACHUSETTS AND RHODE ISLAND...INCLUDING THE 
  FOLLOWING IN MASSACHUSETTS...BRISTOL...CENTRAL ...AND 
  SOUTHEAST MIDDLESEX...ESSEX...NORFOLK...PLYMOUTH AND SUFFOLK. 
  IN RHODE ISLAND...BRISTOL...KENT...NEWPORT...PROVIDENCE AND 
  WASHINGTON. 

* UNTIL 2 PM EDT THIS AFTERNOON

* HEAVIEST RAINFALL WILL CONTINUE THIS MORNING AND WILL BEGIN TO
  TAPER TO SCATTERED SHOWERS BY MID TO LATE AFTERNOON.

* WIDESPREAD 1 TO 3 INCHES OF RAIN ARE EXPECTED ACROSS THE 
  REGION. HOWEVER...LOCALIZED 3 TO 4 INCH RAINFALL AMOUNTS ARE 
  POSSIBLE. THIS MAY LEAD TO AREAS OF URBAN AND POOR DRAINAGE 
  STREET FLOODING...ESPECIALLY IN THE TYPICALLY PRONE LOCATIONS. 

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.

&&

$$

MAZ002-008-009-281615-
/O.CON.KBOX.FA.A.0002.000000T0000Z-150629T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
403 AM EDT SUN JUN 28 2015

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN MASSACHUSETTS...INCLUDING THE FOLLOWING 
  WESTERN FRANKLIN...WESTERN ...HAMPDEN AND WESTERN HAMPSHIRE. 

* THROUGH LATE TONIGHT

* WIDESPREAD 1 TO 3 INCHES OF RAIN ARE EXPECTED ACROSS THE REGION.
  HOWEVER...LOCALIZED 3 TO 4 INCH IN AMOUNTS ARE POSSIBLE. THIS
  MAY CAUSE SOME OF THE FLASHY RIVERS AND STREAMS TO REACH OR
  EXCEED BANKFULL...PARTICULARLY ON SUNDAY. THE STREAMS MAKE TAKE
  SOME TIME TO RECEDE...ESPECIALLY WITH THE FLOW FROM UPSTREAM
  RIVERS. THEREFOR WILL CONTINUE THE WATCH TIL LATE TONIGHT. 

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.

&&

$$
700 
WGUS61 KBOX 281356
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
956 AM EDT SUN JUN 28 2015

MAZ005-013>021-RIZ001>007-281500-
/O.CAN.KBOX.FA.A.0002.000000T0000Z-150628T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CENTRAL MIDDLESEX 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...FRAMINGHAM...LOWELL...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT
956 AM EDT SUN JUN 28 2015

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF MASSACHUSETTS AND RHODE ISLAND
HAS BEEN CANCELLED. THE HEAVY RAIN HAS COME TO AN END AND FLOODING
IS NO LONGER EXPECTED. JUST SCATTERED SHOWERS AND AREAS OF DRIZZLE
ARE ANTICIPATED FOR THE REST OF THE DAY.

$$

MAZ002-008-009-281500-
/O.CAN.KBOX.FA.A.0002.000000T0000Z-150629T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
956 AM EDT SUN JUN 28 2015

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR A PORTION OF WESTERN MASSACHUSETTS HAS BEEN
CANCELLED.  THE HEAVY RAIN HAS COME TO AN END AND FLOODING
IS NO LONGER EXPECTED. JUST SCATTERED SHOWERS AND AREAS OF DRIZZLE
ARE ANTICIPATED FOR THE REST OF THE DAY.

$$

MAZ006-007-281800-
/O.CON.KBOX.FA.A.0002.000000T0000Z-150628T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN ESSEX MA-EASTERN ESSEX MA-
INCLUDING THE CITIES OF...LAWRENCE...GLOUCESTER
956 AM EDT SUN JUN 28 2015

...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF ESSEX COUNTY IN NORTHEAST MASSACHUSETTS.

* UNTIL 2 PM EDT THIS AFTERNOON

* PERIODS OF RAIN MAY BE HEAVY AT TIMES INTO THE EARLY AFTERNOON.

* WIDESPREAD 1 TO 2 INCHES OF RAINFALL ARE EXPECTED WITH SOME
  ISOLATED 2 TO 3 INCH AMOUNTS POSSIBLE. IF THESE AMOUNTS
  OCCUR...SOME URBAN AND POOR DRAINAGE STREET FLOODING IS STILL
  POSSIBLE IN THE TYPICALLY PRONE LOCATIONS.

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.

&&

$$

FRANK
408 
WGUS61 KBOX 281522
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
1122 AM EDT SUN JUN 28 2015


MAZ006-007-281630-
/O.CAN.KBOX.FA.A.0002.000000T0000Z-150628T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WESTERN ESSEX MA-EASTERN ESSEX MA-
INCLUDING THE CITIES OF...LAWRENCE...GLOUCESTER
1122 AM EDT SUN JUN 28 2015

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR A PORTION OF NORTHEASTERN MASSACHUSETTS HAS
BEEN CANCELLED. THE HEAVIEST OF THE RAIN HAS EXITED THE REGION AND
JUST SOME SCATTERED SHOWERS AND DRIZZLE ARE ANTICIPATED FOR THE
REST OF THE AFTERNOON.

$$

FRANK

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 27, 4:15 AM EDT, 13 minutes earlier.

Area forecast discussion, Jun 27, 4:15 AM EDT, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
415 AM EDT SAT JUN 27 2015

.SYNOPSIS...

HIGH PRESSURE EAST OF NEW ENGLAND PROVIDES SUNSHINE TO START THE DAY
BUT CLOUDS INCREASE THIS AFTERNOON AS LOW PRESSURE APPROACHES FROM
THE OHIO VALLEY. A WINDSWEPT SOAKING RAIN BEGINS THIS EVENING AND
CONTINUES OVERNIGHT. THE RAIN TAPERS OFF SUNDAY WITH A DRYING TREND
SUNDAY NIGHT. DRY WEATHER PREVAILS MONDAY BUT MORE UNSETTLED WEATHER
AT TIMES IN THE FORM OF SCATTERED SHOWERS/ THUNDERSTORMS TUESDAY
AFTERNOON/NIGHT AND WED...THEN AGAIN FRI BUT MANY HOURS OF DRY
WEATHER IN BETWEEN.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

RADIATIONAL COOLING ACROSS THE REGION HAS DROPPED TEMPS WELL INTO
MID 50S. IN FACT A FEW LOCATIONS HAVE DROPPED INTO THE UPPER 40S
LIKE NORWOOD...TAN AND MVY. GROUND FOG HAS ALSO DEVELOPED IN THE
NORMALLY PRONE LOW LYING AREAS.

TODAY...

HIGH PRESSURE WILL BE OVER THE REGION FOR THE FIRST HALF OF THE
DAY...AS UPPER LEVEL BEGINS TO CLOSE OFF ACROSS THE GREAT LAKES.
DECENT AMOUNT OF DRY AIR ACROSS THE REGION THIS MORNING...WILL ALLOW
FOR APPROACHING PRECIP TO STRUGGLE TO REACH THE GROUND. THEREFORE
EXPECT PRECIP TO BEGIN TO MOVE ACROSS THE REGION NOT UNTIL 3-5 PM
WITH THE HEAVIEST PRECIP APPROACHING AROUND 00Z.

OTHERWISE CLOUDS WILL INCREASE FROM WEST TO EAST ALLOWING FOR TEMPS
TO STRUGGLE TO REACH AVERAGE.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SUNDAY/...
TONIGHT INTO SUNDAY...

*** ANOMALOUS LOW PRESSURE SYSTEM WILL BRING MULTIPLE HAZARDS TO
  SOUTHERN NEW ENGLAND BEGINNING LATE SATURDAY INTO SUNDAY AM ***

OVERVIEW...

VERY ATYPICAL PATTERN FOR LATE JUNE WITH ANOMALOUS LOW PRESSURE
SYSTEM APPROACHING THE NORTHEAST. DEF NOT THE TYPE OF PATTERN
EXPECTED FOR THE FIRST WEEKEND OF SUMMER. STACKED LOW OVER THE MID-
WEST WILL PUSH OVER THE CATSKILLS...JUST LIKE AN INSIDE RUNNER WOULD
IN THE WINTER. THIS LOW WILL DEVELOP A SECONDARY LOW OVER THE
DELMARVA TONIGHT AND PUSH TOWARDS SOUTHERN NEW ENGLAND BY SUNDAY
MORNING. MODELS INDICATE THAT THIS TRIPLE POINT LOW WILL PUSH A WARM
FRONT CLOSE TO/OVER A PORTION OF SOUTHERN NEW ENGLAND...POTENTIALLY
WARM SECTORING RI AND SE MASS. A TROPICAL CONNECTION...DEWPOINTS IN
THE UPPER 60S. LEAVES US UNDER A VERY MOIST COLUMN WHERE PWATS
APPROACH 2+ INCHES /AND NEARLY 3 STD DEVIATIONS ABOVE NORMAL/. THIS
WILL BE ALONG WITH A STRONG 50-60 KT SE LLJ. ALL THE PLAYERS ARE
THERE FOR A VERY DYNAMIC AND WET PERIOD DURING THE OVERNIGHT AND
EARLY SUN TIMEFRAME. GUIDANCE ALSO SHOWS A DRY SLOT PUSHING ACROSS
THE REGION...CONVECTION MAY DEVELOP AT THE NOSE OF THE DRY SLOT
SUNDAY MORNING. HAZARDS BREAKDOWN BELOW.

HAZARDS...

* RAINFALL/FLOODING... A FLOOD WATCH HAS BEEN ISSUED FOR THE
  IMMEDIATE WESTERN ZONES...ALONG THE BERKSHIRES. FEEL THAT THIS
  AREA IS BEST DUE TO THE ANOMALOUS LLJ AND MOISTURE FLUX ALONG THE
  BERKSHIRES. IN FACT GUIDANCE IS SHOWING COULD BL CONVERGENCE AS
  WELL ALONG THE BERKS. HI-RES GUIDANCE CONTINUES TO SHOW A MAXIMUM
  ALONG THE BERKS IN WHICH 1-3 INCHES COULD FALL. MORE DETAILS BELOW
  IN REGARDS TO RIVERS AND URBAN SMALL STREAM FLOODING THREAT.

A SECOND MAXIMUM OF HIGHER QPF WILL BE ACROSS THE CENTRAL HILLS
UP INTO NORTHEAST MASS. IN FACT...BOTH HI-RES AND SYNOPTIC
GUIDANCE IS PINPOINT THAT REGION. THIS IS DUE TO NOT ONLY THE
SYNOPTIC RAINFALL BUT THE CONVECTION POTENTIAL AS WELL. THIS
LOCATION IS RIGHT ALONG THE NOSE OF THE LLJ AND WITH PWAT VALUES
NEARING 2+ INCHES COULD SEE SIGNIFICANT RAINFALL. NOT EXPECTING
TRAINING CELLS AS THE SYSTEM IS VERY PROGRESSIVE BUT COULD SEE
HEAVY DOWNPOURS LEADING TO POOR DRAINAGE FLOODING. ESP IN TOWNS
THAT HAVE A HIGHER VULNERABILITY...IE PEABODY AND LYNN.

* WIND THREAT...STRONG SOUTHEASTERLY LLJ WILL DEVELOP ACROSS THE
  REGION LATE SAT INTO SUNDAY. THE GFS/EC AND NAM ALL SHOW 925 MB
  WINDS INCREASING TO 50-60 KTS RIGHT OVER THE EASTERN WATERS. THIS
  IS CLOSE TO 4-5 STD AWAY. BIGGEST QUESTION IS IF THIS JET WILL MIX
  DOWN TO THE SURFACE. APPEARS THAT EAST COAST INCLUDING THE CAPE
  AND ISLANDS WILL GENERALLY BE INVERTED. HOWEVER ANY MOMENTUM
  TRANSFER WILL YIELD TO WIND ADV GUSTS. THIS COULD OCCUR DURING THE
  DAYTIME...WHEN MIXING INCREASES WITH SUNRISE. ALSO WITHIN ANY
  SHOWERS/CONVECTION WILL MIX THESE GUSTY WINDS DOWN AS WELL.
  THEREFOR HAVE HOISTED A WIND ADV ACROSS PORTIONS OF THE EAST MASS
  COASTLINE WHERE CONFIDENCE IS HIGHEST. THIS MAY NEED TO BE
  EXTENDED INTO SUFFOLK COUNTY.

* SEVERE WEATHER THREAT...LOW CONFIDENCE ON SEVERE WEATHER POTENTIAL
  SUNDAY MORNING . THIS PATTERN IS SOMEWHAT SIMILAR TO OTHER
  TROPICAL-LIKE PATTERNS THAT HAVE YIELDED QUICK SPIN-UP OR
  LOCALIZED SVR WINDS WE HAVE SEEN IN THE PAST. THE BIGGEST QUESTION
  IS IF THE WARM SECTOR /TRIPLE POINT WILL GET FAR ENOUGH NORTH TO
  ALLOW FOR THE REGION TO DESTABILIZE. SHEAR WILL NOT BE A PROBLEM
  WITH EASTERLY WINDS AT THE SURFACE AND SW WINDS ALOFT...COULD
  YIELD 50-60 KTS OF SHEAR. ANTICIPATE LOW LCL DUE TO THE HIGH
  DEWPOINTS. SO THE MOISTURE..SHEAR AND WARM FRONTAL BOUNDARY WILL
  MOVE THROUGH...BIGGEST QUESTION IS THE INSTABILITY FACTOR. GFS IS
  THE ONLY PIECE OF GUIDANCE SHOWING DESCENT MUCAPE...WHICH IS A
  FLAG. HOWEVER IS DEWPOINTS INCREASE...OR IF CLDS BREAK OUT ENOUGH
  THIS WE COULD GET MORE INSTABILITY THEN GUIDANCE SUGGEST. THIS
  WILL NEED TO BE WATCH CLOSELY OVER THE NEXT 24 HOURS.

* BEACH HAZARDS...STRONG LLJ WILL ALLOW FOR NEAR SHORE WATERS TO
  BUILD NEAR 8-10 FT CLOSE TO THE COASTLINE. THIS COMBINED WITH
  ONSHORE SWELL AND A PERIOD CLOSE TO 7-8 SEC...COULD SEE HIGH RISK
  OF RIP CURRENTS AND WELL AS HIGH SURF. THE BEST COASTLINE FOR THIS
  TO OCCUR IS ACROSS EAST FACING BEACHES OF MASSACHUSETTS. ANY
  BEACHGOERS OR OCEAN LOVERS ON SUNDAY SHOULD BE AWARE IF THESE
  RISKS AND STAY AWAY FROM JETTIES OR LOW LYING PIERS. REMEMBER WHEN
  IN DOUBT...DON'T GO OUT.

* AVIATION/MARINE...SINCE THIS IS THE OFFICIAL FIRST WEEKEND OF
  SUMMER THIS SYSTEM WILL BE HAZARDOUS FOR MARINERS...ESP WITH HIGH
  SEAS NEAR 8FT AND A STRONG NE GALE. WHEN THE SYSTEM PASSES THROUGH
  ANTICIPATE LOW CLOUDS AND VSBYS IMPACTS. ALSO WITH STRENGTHEN LLJ
  EXPECT LLWS ESP FOR EASTERN TERMINALS. MORE DETAILS BELOW.

AFTER THE BULK OF THE PRECIP MOVES THROUGH AND THE REGION IS DRY
SLOTTED BUT COULD SEE A FEW SHOWERS DEVELOP WITH TRAPPED LL
MOISTURE. HAVE INCLUDED THUNDER AS LAPSE RATES STEEPENED AND UPPER
LEVEL LOW APPROACHES THE REGION. ONE LIMITING FACTOR IS THE
INSTABILITY POTENTIAL. MODELS ARE NOT QUITE IMPRESSIVE...THEREFORE
WILL KEEP MENTIONING ISOLATED/SCT.

&&

.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...

HIGHLIGHTS...

* VERY PLEASANT WEATHER MON WITH DRY CONDITIONS AND MILD TEMPS
* SCATTERED SHOWERS/T-STORMS POSSIBLE TUE/WED AND AGAIN FRIDAY
* TEMPS NEAR NORMAL MUCH OF NEXT WEEK

SYNOPTIC OVERVIEW...MAIN WEATHER FEATURE THIS PERIOD WILL BE A
BUILDING LARGE AMPLITUDE RIDGE OVER THE WESTERN CONUS AND CANADA
WITH HEIGHT ANOMALIES REACHING +2 STD DEVIATIONS ABOVE CLIMO. THIS
INDUCES AN ANOMALOUS DOWNSTREAM TROUGH OVER THE MS AND OH VALLEYS.
THIS PROVIDES AN ACTIVE NORTHERN STREAM JET WITH CYCLONIC FLOW ALOFT
ACROSS SOUTHERN NEW ENGLAND MUCH OF NEXT WEEK. THUS MULTIPLE CHANCES
FOR SHOWERS/T-STORMS...BUT BY NO MEANS A WASHOUT AS THERE WILL BE
MANY HOURS OF DRY WEATHER TOO.  AS FOR TEMPS...WITH MEAN TROUGH AXIS
WEST OF NEW ENGLAND ACROSS THE GREAT LAKES/OH AND TN VALLEYS...CORE
OF COOL AIR ASSOCIATED WITH THE TROUGH WILL BE WEST OF OUR REGION.
THEREFORE EXPECT TEMPERATURES MUCH OF NEXT WEEK TO AVERAGE NEAR
NORMAL.

GUIDANCE EVALUATION...00Z GFS AND ECMWF IN VERY GOOD AGREEMENT THRU
NEXT WED...THEN BEGIN TO DEVIATE NEXT THU AND FRI ON AMPLITUDE AND
TIMING OF INDIVIDUAL NORTHERN STREAM SHORT WAVES. THEREFORE LEANED
HEAVILY ON ENSEMBLES /GEFS/ LATE NEXT WEEK AND FOLLOWED A GFS/ECMWF
BLEND OTHERWISE.

DAILY DETAILS...

SUNDAY NIGHT...MID LEVEL CLOSED LOW OVER NORTHERN NY STATE LIFTS NE
INTO QUEBEC. AS IT DOES SO THERE COULD BE ENOUGH LIFT AND MOISTURE
FOR A THREAT OF SHOWERS ACROSS NORTHWEST MA. OTHERWISE MOST OF THE
REGION REMAINS DRY. COOL AIRMASS ADVECTS ACROSS THE AREA SUN NIGHT
WITH 925 AND 850 TEMPS ABOUT -1 STD DEVIATION BELOW NORMAL.

MONDAY...MID LEVEL CLOSED LOW OVER SOUTHERN QUEBEC CONTINUES TO LIFT
NORTHEAST RESULTING IN HEIGHT AND TEMP RISES ALOFT OVER SOUTHERN NEW
ENGLAND. THIS SUPPORTS DRY WEATHER ALONG WITH PARTLY TO MOSTLY SUNNY
CONDITIONS. WEST SURFACE WINDS WILL PROMOTE DEEP BLYR MIXING AND
TEMPS CLIMBING THRU THE 70S...INCLUDING THE BEACHES. DEW PTS IN THE
50S WILL PROVIDE A VERY COMFORTABLE DAY. FOR THOSE HEADING TO THE
BEACH MON BE AWARE THAT LEFTOVER SE SWELLS WILL RESULT IN ROUGH SURF
AND STRONG RIP CURRENTS ESPECIALLY AT OCEAN BEACHES ALONG THE SOUTH
COAST OF MA AND RI INCLUDING CAPE COD.

TUESDAY THROUGH FRIDAY...UNSETTLED AT TIMES AS NORTHERN STREAM
REMAINS AMPLIFIED WITH A FEW SHORT WAVE TROUGHS AND ATTENDING COLD
FRONTS TO ROTATE THROUGH THE MEAN TROUGH. TIMING THESE FEATURES IN
THE EXTENDED IS ALWAYS A CHALLENGE AND THIS IS THE CASE WITH THE GFS
AND ECMWF SHOWING TIMING AND AMPLITUDE DIFFERENCES ESPECIALLY BY
NEXT THU AND FRI. AT THIS TIME RANGE PUTTING MORE WEIGHT TOWARD THE
ENSEMBLES SUGGEST A RISK FOR SHOWERS/T-STORMS MAINLY TUE NIGHT AND
WED. CAN/T RULE OUT ISOLATED CONVECTION TUE AFTN BUT SHOULD BE
CONFINED TO WESTERN CT/MA GIVEN HOW FAR WEST TROUGH AXIS IS TO NEW
ENGLAND. DRY WEATHER LIKELY THU BEHIND DEPARTING SHORT WAVE THROUGH.
PATTERN REMAINS ACTIVE WITH NEXT NORTHERN STREAM TROUGH AND
ASSOCIATED RISK OF SHOWERS/T-STORMS ARRIVE AROUND FRI.

&&

.AVIATION /08Z SATURDAY THROUGH WEDNESDAY/...
FORECASTER CONFIDENCE LEVELS...

LOW...LESS THAN 30 PERCENT.
MODERATE...30 TO 60 PERCENT.
HIGH...GREATER THAN 60 PERCENT.

SHORT TERM /THROUGH SUNDAY/...

THROUGH TODAY...HIGH CONFIDENCE. VFR. LIGHT EASTERLY WINDS REMAIN
IN PLACE THROUGH THE AFTERNOON. AFTER WHICH THEY SHIFT TO THE
SOUTH.

TONIGHT INTO TOMORROW...HIGH CONFIDENCE IN TRENDS...LOWER
CONFIDENCE IN TIMING. VFR TO START THE EVENING...THEN EXPECT
GRADUALLY LOWERING CIGS TO MVFR THEN IFR BY EARLY MORNING. EXPECT
REDUCED VSBYS IN FOG AND RAIN...PARTICULARLY AFTER MIDNIGHT LOCAL.
SE WIND GUSTS MAY INCREASE TO AROUND 30 KT AT TIMES...ESPECIALLY
IN EASTERN MA TOWARD DAYBREAK SUNDAY YIELDING TO LLWS. LOW PROB OF
AN ISO -TSRA SUN MORNING ACROSS EASTERN TERMINALS. THEN AGAIN
ACROSS THE INTERIOR. CONDITIONS WILL IMPROVE FROM SW TO NE AFTER
18/21Z.

KBOS TERMINAL...HIGH CONFIDENCE.

KBDL TERMINAL...HIGH CONFIDENCE.

OUTLOOK...SUNDAY NIGHT THROUGH WEDNESDAY...

SUNDAY NIGHT...ANY MVFR/IFR EARLY IMPROVES TO VFR AS WINDS BECOME
WESTERLY. LOW RISK OF SCATTERED SHOWERS ACROSS WESTERN NEW ENGLAND.
MODERATE CONFIDENCE.

MONDAY...MODERATE CONFIDENCE. VFR. BREEZY W-WINDS WITH GUSTS 20-25
KTS.

TUESDAY...MODERATE CONFIDENCE. MAINLY VFR...BUT MVFR IN SCATTERED
SHOWERS/T-STORM IN WESTERN MA/CT TUE AFTERNOON SPREADING EASTWARD
TUE NIGHT.

WEDNESDAY...MODERATE CONFIDENCE. MAINLY VFR WITH LOW RISK OF
SCATTERED SHOWERS/T-STORMS.

&&

.MARINE...
FORECASTER CONFIDENCE LEVELS...

LOW...LESS THAN 30 PERCENT.
MODERATE...30 TO 60 PERCENT.
HIGH...GREATER THAN 60 PERCENT.

SHORT TERM /THROUGH SUNDAY/...

TODAY...HIGH CONFIDENCE. MAINLY QUIET BOATING WEATHER EXPECTED AS
HIGH PRES SLIDES OVER THE WATERS. LIGHT E WINDS AND LOW SEAS WILL
REMAIN IN PLACE.

TONIGHT INTO TOMORROW...MODERATE CONFIDENCE. A STRONG LOW PRES
CENTER WILL BE APPROACHING FROM THE W. THIS WILL YIELD A PERIOD OF
RAIN AND FOG WITH LOW VSBYS. EXPECT SE WINDS TO INCREASE...REACHING
GALE FORCE ON THE OCEAN WATERS BY ABOUT MIDNIGHT. A GALE WARNING
HAS BEEN ISSUED FOR THE NE WATERS WHERE CONFIDENCE IS HIGHEST. THE
WATCH CONTINUES FOR THE REMAINDER OF THE WATERS MINUS NARRAGANSETT BAY.
SEAS WILL BE BUILDING TO 8-10 FT BY SUN MORNING LASTING INTO THE
AFTERNOON HOURS.

OUTLOOK...SUNDAY NIGHT THROUGH WEDNESDAY...MODERATE CONFIDENCE.

SUNDAY NIGHT...SW 20 TO 30 KT STRONGEST WIND OVER THE SOUTHERN
WATERS THEN TRENDING WESTERLY TOWARD SUNRISE AND DIMINISHING.

MONDAY...WSW GUSTS TO 25 KT POSSIBLE. LEFTOVER LARGE ESE SWELLS
LIKELY PERSIST ACROSS THE OCEAN WATERS. GOOD VSBY.

TUESDAY....WINDS BECOMING S WITH GUSTS TO 20 KT AHEAD OF APPROACHING
COLD FRONT. SEAS BELOW SCA. CHANCE OF SHOWERS/T-STORMS IN THE
EVENING AND OVERNIGHT.

WEDNESDAY...SW WINDS LESS THAN 20 KT TRENDING WEST LATE. LOW RISK OF
SCATTERED SHOWERS/T-STORMS DURING THE DAY.

&&

.HYDROLOGY...
WITH PERIODIC HEAVY RAINFALL EXPECTED LATE THIS EVENING...AND INTO
SUNDAY...WIDESPREAD RAINFALL OF 1-3 INCHES WITH LOCALLY HIGHER
AMOUNTS IS EXPECTED. AT THIS TIME...MOST AREA RIVERS ARE AT THEIR
NORMAL SEASONAL LOW POINTS AND GIVEN THIS RAIN WILL MOSTLY FALL
OVER A 12+ HOUR PERIOD...THIS SHOULD BE HANDLED.

HOWEVER...WITH THE VERY HIGH PWATS AND POTENTIAL FOR CONVECTIVE
ELEMENTS...ITS POSSIBLE FFG MAY BE EXCEEDED IN SOME AREAS.
WIDESPREAD FFGS ARE NEARLY 2.0 INCHES/1 HOUR...2.5 INCHES/3
HOUR...AND 3 INCHES/6 HOUR RATES. NORMALLY FLASHY BASINS/STREAMS
MAY NEED TO BE MONITORED. ALSO...URBAN FLOODING WILL BE POSSIBLE
AS WELL AS FFG RATES WILL BE LOWER IN THESE LOCATIONS.

APPEARS THAT THERE WILL BE 2 MAXIMUM IN QPF. ONE OVER THE BERKS
AND ONE OVER THE CENTRAL HILLS INTO NORTHEAST MASS. AGAIN
GENERALLY 1-3 INCHES BUT HI-RES GUIDANCE DOES SHOW POSSIBLE 4
INCH AMOUNTS DUE TO THE CONVECTIVE POTENTIAL. THE FLOOD WATCH HAS
BEEN ISSUED FOR THE WEST WHERE CONFIDENCE IS HIGHEST IN SEEING
CLOSE TO 2 INCHES LEADING TO FLASHING STREAMS RISING OVER THEIR
BANKS AND POOR DRAINAGE FLOODING.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...WIND ADVISORY FROM 2 AM TO 2 PM EDT SUNDAY FOR MAZ007-019-
     022>024.
     FLOOD WATCH FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT FOR
     MAZ002-008-009.
RI...NONE.
MARINE...GALE WATCH FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR ANZ231-
     232.
     GALE WATCH FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR
     ANZ233>235-237.
     GALE WATCH FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON FOR
     ANZ230-254>256.
     SMALL CRAFT ADVISORY FROM 8 PM THIS EVENING TO 8 AM EDT SUNDAY
     FOR ANZ236.
     GALE WARNING FROM 2 AM TO 2 PM EDT SUNDAY FOR ANZ250-251.

&&

SYNOPSIS...NOCERA/DUNTEN
NEAR TERM...DUNTEN
SHORT TERM...DUNTEN
LONG TERM...NOCERA
AVIATION...NOCERA/DUNTEN
MARINE...NOCERA/DUNTEN
HYDROLOGY...DUNTEN
Hazardous weather outlook, Jun 27, 4:03 AM EDT, 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
403 AM EDT SAT JUN 27 2015

MAZ002-008-009-280815-
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
403 AM EDT SAT JUN 27 2015

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY
NIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MASSACHUSETTS.

.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.

   FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   FLOOD WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ002>004-MAZ003>006-010>018-020-021-026-RIZ001>008-280815-
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX 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-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
403 AM EDT SAT JUN 27 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL
MASSACHUSETTS...EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN
MASSACHUSETTS...WESTERN MASSACHUSETTS...AND RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

SUNDAY...

A SOAKING WINDSWEPT RAIN IS EXPECTED. RAINFALL AMOUNTS OF 1 TO
2 INCHES ARE EXPECTED WITH A LOW RISK OF 3 INCH AMOUNTS ACROSS
THE HIGHER TERRAIN OF CT AND MA. IN ADDITION A SECOND RAINFALL MAX
IS POSSIBLE OVER EASTERN MA IF THUNDERSTORMS DEVELOP. THIS MAY
RESULT IN URBAN AND POOR DRAINAGE FLOODING.

LOW RISK OF AN ISOLATED STRONG THUNDERSTORM SOUTH OF THE MASS
PIKE LATE SUNDAY MORNING INTO THE AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MAZ007-019-022>024-280815-
EASTERN ESSEX MA-EASTERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-
403 AM EDT SAT JUN 27 2015

...WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM EDT SUNDAY...

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

.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.

   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   WIND ADVISORY.

SUNDAY...

A SOAKING WINDSWEPT RAIN IS EXPECTED. RAINFALL AMOUNTS OF 1 TO
2 INCHES ARE EXPECTED WITH A LOW RISK OF 3 INCH AMOUNTS. THIS MAY
RESULT IN URBAN AND POOR DRAINAGE FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230-254>256-280815-
BOSTON HARBOR-
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-
403 AM EDT SAT JUN 27 2015

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON...

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

.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.

   GALE WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ250-251-280815-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
403 AM EDT SAT JUN 27 2015

...GALE WARNING IN EFFECT FROM 2 AM TO 2 PM EDT SUNDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS.

.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.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WARNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ233>235-237-280815-
VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
403 AM EDT SAT JUN 27 2015

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING...

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

.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.

   GALE WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ236-280815-
NARRAGANSETT BAY-
403 AM EDT SAT JUN 27 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR RHODE ISLAND COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ231-232-280815-
CAPE COD BAY-NANTUCKET SOUND-
403 AM EDT SAT JUN 27 2015

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS.

.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.

   GALE WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 3:11 AM EDTGale WarningBOX37 hr
Jun 27, 4:22 AM EDTWind AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more31 hr
Jun 27, 3:51 PM EDTHigh Surf AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more28 hr

Nearby

Flood Watches in Massachusetts, 2015Flood Watches in Rhode Island, 2015Every flood watch in 2015

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.