Alert archive / Massachusetts / Small Craft Advisories in 2011

Small Craft Advisory 57, NWS Boston/Norton, MA

April 21, 2011

NWS Boston/Norton, MA issued this small craft advisory at Apr 21, 2011, 3:50 AM EDT. It took effect at Apr 21, 2011, 6:00 AM EDT. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Apr 21, 2011, 3:50 AM EDT (07:50 UTC)
In effect from
Apr 21, 2011, 6:00 AM EDT
Expired
Apr 22, 2011, 3:46 AM EDT
In force
22 hr
Issued by
NWS Boston/Norton, MA

The text

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

650 
WHUS71 KBOX 210750
MWWBOX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
350 AM EDT THU APR 21 2011

ANZ250-211600-
/O.CAN.KBOX.SC.Y.0056.000000T0000Z-110422T0600Z/
/O.NEW.KBOX.SC.Y.0057.110421T1000Z-110422T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
350 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ235-237-254>256-211600-
/O.EXT.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
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-
350 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT FRIDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 8 AM EDT FRIDAY. 

WINDS AND SEAS...S/SW WINDS 10 TO 15 KTS WITH AN OCCASIONAL GUST
AROUND 20 KTS...BECOMING W AFTER MIDNIGHT 15 TO 20 KTS WITH GUSTS
AROUND 30 KTS. SEAS 3 TO 5 FEET...BUILDING TO 5 TO 8 FEET ACROSS
THE SOUTHERN OUTER WATERS THIS EVENING.

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ230-211600-
/O.EXT.KBOX.SC.Y.0056.110421T1000Z-110422T0600Z/
BOSTON HARBOR-
350 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT FRIDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 2 AM EDT FRIDAY. 

* WINDS AND SEAS...WEST WINDS 15 TO 25 KT WITH A FEW GUSTS UP TO
  35 KT. SEAS 1 TO 3 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ233-234-211600-
/O.EXT.KBOX.SC.Y.0056.110421T0750Z-110422T0300Z/
VINEYARD SOUND-BUZZARDS BAY-
350 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. SEAS 1 TO 3 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ236-211600-
/O.EXT.KBOX.SC.Y.0056.110421T1000Z-110422T0600Z/
NARRAGANSETT BAY-
350 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT FRIDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 2 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. SEAS AROUND 1 FOOT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ231-251-211600-
/O.CON.KBOX.SC.Y.0056.110421T1000Z-110422T0600Z/
CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-
350 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY. 

* WINDS AND SEAS...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 
  KT. SEAS 2 TO 4 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ232-211600-
/O.CON.KBOX.SC.Y.0056.110421T1000Z-110422T0600Z/
NANTUCKET SOUND-
350 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 
  30 KT. SEAS 2 TO 4 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

DOODY
5 follow-up statements
039 
WHUS71 KBOX 211227
MWWBOX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
827 AM EDT THU APR 21 2011

ANZ235-237-254>256-212030-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
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-
827 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. AN OCCASIONAL GUST UP TO GALE FORCE AROUND 35 KT IS POSSIBLE.  
  SEAS 3 TO 6 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ250-212030-
/O.CON.KBOX.SC.Y.0057.000000T0000Z-110422T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
827 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. AN OCCASIONAL GUST UP TO GALE FORCE AROUND 35 KT IS POSSIBLE. 
  SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ230-231-251-212030-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-110422T0600Z/
BOSTON HARBOR-CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-
827 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. AN OCCASIONAL GUST UP TO GALE FORCE AROUND 35 KT IS POSSIBLE. 
  SEAS 2 TO 4 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ233-234-212030-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-110422T0300Z/
VINEYARD SOUND-BUZZARDS BAY-
827 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. AN OCCASIONAL GUST UP TO GALE FORCE AROUND 35 KT IS POSSIBLE. 
  SEAS 1 TO 3 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ232-236-212030-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-110422T0600Z/
NANTUCKET SOUND-NARRAGANSETT BAY-
827 AM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 
  30 KT. AN OCCASIONAL GUST UP TO GALE FORCE AROUND 35 KT IS POSSIBLE.
  SEAS 1 TO 3 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

SIPPRELL
165 
WHUS71 KBOX 211652
MWWBOX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1252 PM EDT THU APR 21 2011

ANZ230>232-236-251-220100-
/O.UPG.KBOX.SC.Y.0056.000000T0000Z-110422T0600Z/
/O.NEW.KBOX.GL.W.0028.110421T1652Z-110422T0300Z/
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-NARRAGANSETT BAY-
MASSACHUSETTS BAY AND IPSWICH BAY-
1252 PM EDT THU APR 21 2011

...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 11 PM EDT THIS EVENING. THE
SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP AROUND 
  35 KT. STRONGEST GUSTS WILL OCCUR NEAR SHORE. SEAS 2 TO 4 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE OR
EQUIPMENT SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

ANZ233-234-220100-
/O.UPG.KBOX.SC.Y.0056.000000T0000Z-110422T0300Z/
/O.NEW.KBOX.GL.W.0028.110421T1652Z-110422T0300Z/
VINEYARD SOUND-BUZZARDS BAY-
1252 PM EDT THU APR 21 2011

...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 11 PM EDT THIS EVENING. THE
SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP AROUND 
  35 KT. STRONGEST WINDS WILL OCCUR NEAR SHORE. SEAS 1 TO 3 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE OR
EQUIPMENT SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

ANZ235-237-220100-
/O.UPG.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
/O.NEW.KBOX.GL.W.0028.110421T1652Z-110422T0300Z/
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
1252 PM EDT THU APR 21 2011

...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 11 PM EDT THIS EVENING. THE
SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  35 KT. STRONGEST WINDS WILL OCCUR NEAR SHORE. SEAS 3 TO 5 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE OR
EQUIPMENT SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

ANZ254>256-220100-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
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-
1252 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 
  30 KT. AN OCCASIONAL GALE FORCE GUST UP TO 35 KTS IS POSSIBLE.
  SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ250-220100-
/O.CON.KBOX.SC.Y.0057.000000T0000Z-110422T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1252 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 
  30 KT. AN OCCASIONAL GALE FORCE GUST UP TO 35 KTS IS POSSIBLE.
  SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

SIPPRELL
134 
WHUS71 KBOX 212009
MWWBOX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
409 PM EDT THU APR 21 2011

ANZ230>237-251-220300-
/O.CON.KBOX.GL.W.0028.000000T0000Z-110422T0300Z/
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-
BLOCK ISLAND SOUND-MASSACHUSETTS BAY AND IPSWICH BAY-
409 PM EDT THU APR 21 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

A GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING. 

* WINDS AND SEAS...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS AROUND 
  35 KT. SEAS 2 TO 4 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE OR
EQUIPMENT SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

ANZ254>256-220415-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
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-
409 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS AROUND 
  30 KT. SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ250-220415-
/O.CON.KBOX.SC.Y.0057.000000T0000Z-110422T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
409 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS AROUND 
  30 KT. SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

SIPPRELL
993 
WHUS71 KBOX 220214
MWWBOX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1014 PM EDT THU APR 21 2011

ANZ230-233>235-237-251-221015-
/O.CAN.KBOX.GL.W.0028.000000T0000Z-110422T0300Z/
/O.EXA.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
BOSTON HARBOR-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-
BLOCK ISLAND SOUND-MASSACHUSETTS BAY AND IPSWICH BAY-
1014 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM EDT FRIDAY. THE GALE
WARNING HAS BEEN CANCELLED. 

* WINDS AND SEAS...NORTHWEST WINDS 5 TO 15 KT WITH GUSTS UP TO 30
  KT. SEAS 2 TO 4 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ231-232-236-221015-
/O.CAN.KBOX.GL.W.0028.000000T0000Z-110422T0300Z/
/O.EXA.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
CAPE COD BAY-NANTUCKET SOUND-NARRAGANSETT BAY-
1014 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM EDT FRIDAY. THE GALE
WARNING HAS BEEN CANCELLED. 

* WINDS AND SEAS...NORTH WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT.
  SEAS 2 TO 4 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ254>256-221015-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
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-
1014 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 
  KT. SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

ANZ250-221015-
/O.CON.KBOX.SC.Y.0057.000000T0000Z-110422T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1014 PM EDT THU APR 21 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY. 

* WINDS AND SEAS...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 
  30 KT. SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

DOODY
955 
WHUS71 KBOX 220746
MWWBOX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
346 AM EDT FRI APR 22 2011

ANZ230>237-251-256-220900-
/O.CAN.KBOX.SC.Y.0056.000000T0000Z-110422T1200Z/
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-
BLOCK ISLAND SOUND-MASSACHUSETTS BAY AND IPSWICH BAY-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
346 AM EDT FRI APR 22 2011

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE SMALL
CRAFT ADVISORY. 

WINDS AND SEAS HAVE DROPPED BELOW SMALL CRAFT ADVISORY LEVELS THIS
MORNING...THEREFORE THE ADVISORY HAS BEEN CANCELLED.

$$

ANZ250-220900-
/O.CAN.KBOX.SC.Y.0057.000000T0000Z-110422T1200Z/
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
346 AM EDT FRI APR 22 2011

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE SMALL
CRAFT ADVISORY. 

WINDS AND SEAS HAVE DROPPED BELOW SMALL CRAFT ADVISORY LEVELS THIS
MORNING...THEREFORE THE ADVISORY HAS BEEN CANCELLED.

$$

ANZ254-255-221400-
/O.EXT.KBOX.SC.Y.0056.000000T0000Z-110422T1400Z/
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-
346 AM EDT FRI APR 22 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING. 

* WINDS AND SEAS...NORTH WINDS 5 TO 15 KT WITH GUSTS UP TO 25 KT.
  SEAS 3 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 25 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

DOODY

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this small craft advisory went out at Apr 21, 3:50 AM EDT, 0 minutes earlier.

Area forecast discussion, Apr 21, 3:50 AM EDT, 0 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
350 AM EDT THU APR 21 2011

.SYNOPSIS...
HIGH PRESSURE WILL BUILD OVER THE REGION THROUGH FRIDAY. A
COMBINATION OF EXITING LOW PRESSURE AND THE ARRIVING HIGH PRESSURE
WILL CREATE STRONG NORTHWEST WINDS TODAY. TEMPERATURES WILL BE
UNSEASONABLY COOL WITH THIS HIGH. ANOTHER LOW PRESSURE SHOULD
MOVE OUT OF THE OHIO VALLEY AND BRING MORE UNSETTLED WEATHER FOR
MUCH OF THIS WEEKEND.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
A COLD FRONT IS SLOWLY PUSHING E FROM CENTRAL PORTIONS OF THE FA
ATTM. WINDS HAVE BEGUN TO ALREADY TURN TO THE NW AT MOST SITES W
OF ORH...WHILE MOIST AIR IN ADVANCE OF A WEAKENING WARM FRONT IS
GENERATING SOME LOW VSBYS IN FG...WHICH WILL CONTINUE TO DIMINISH
TOWARD DAYBREAK AS THE COLD FRONT PUSHES E.

TEMPERATURES IMMEDIATELY FOLLOWING THE FRONT SFC ARE STILL
SOMEWHAT ELEVATED WHERE MIXING HAS OCCURRED. THIS SUGGESTS THAT
THE UPPER LEVEL FRONT LAGS THE SFC FRONT SOMEWHAT. HOW COOL THE
AIRMASS...AND ULTIMATELY 2M TEMPS WILL BE HIGHLY DEPENDENT ON THE
H85 TEMPS...WHICH ARE STILL IN DISPUTE BETWEEN MOST SHORT RANGE
GUIDANCE. H85 TEMPS VARY FROM -5 TO AS LOW AS -8 ACROSS THE BOARD.
PULLING DATA FROM THE 00Z SOUNDING AT CWMW IN QC PROVINCE...WHICH
IS WELL INTO THE AIRMASS...SHOWS H85 TEMPS HOVER AROUND THE -7C
MARK...WHICH CONVENIENTLY LIES AS THE AVERAGE OF THE GFS AND NAM
SOLNS. THERE FORE USED -7C AS THE BASIS...WHICH MEANS IN FULL
MIXING MID TO UPPER 50S ARE GENERALLY POSSIBLE...WITH MAYBE SOME
WARMER SPOTS IN SE MASS WHERE A DOWNSLOPE COMPONENT IN WNW WINDS
IS POSSIBLE.

WINDS ARE THE OTHER ISSUE FOR TODAY. A SLOWLY EXITING H85 AND
HIGHER JET IS PROGGED TO LINGER SOMEWHAT INTO THE DAY. WHILE THE
MAGNITUDE OF THE JET DROPS OFF AS THE DAY PROGRESSES...MODELS DO
SUGGEST THAT SPEEDS REACH 40 TO 45 KTS. THE QUESTION WILL BE HOW
EFFICIENTLY WILL WE BE ABLE TO MIX SOME OF THESE GUSTS DOWN. WITH
FULL SUNSHINE IT IS POSSIBLE THAT THERE WILL BE SOME MIXING TO
THIS HEIGHT...HOWEVER WITH FRICTIONAL CONSIDERATION IT IS LIKELY
THAT GUSTS REACHING ABOVE THE 40 KT THRESHOLD FOR WIND ADVISORY
WILL BE POSSIBLE...BUT WILL REMAIN FEW AND FAR BETWEEN. AFTER
COLLABORATING WITH GYX...WHO WILL ALSO BE EXPERIENCING THE
REMNANTS OF THIS JET. HAVE OPTED TO CAP GUSTS TO JUST BELOW WIND
ADVISORY AS THE MAJORITY OF THE PEAK GUSTS WILL FALL BETWEEN 35
AND 40 KTS. WILL MENTION THE STRONG WIND IN THE HWO...BUT NO
HEADLINES WILL BE ISSUED AT THIS TIME.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/...
THURSDAY NIGHT...
UNSEASONABLY COOL TEMPS ARE LIKELY AS THE FULL BRUNT OF THIS COOL
AIRMASS AND ITS ASSOCIATED SFC HIGH WILL BEGIN TO CREST OVER THE
REGION. HOW COOL WILL ULTIMATELY DEPEND ON HOW QUICKLY THE
GRADIENT SLACKENS OVER AFTER SOME BRISK NW FLOW DURING THE DAY
THURSDAY. WHILE IT LOOKS AS THOUGH THE CENTER OF THE HIGH WILL BE
NEARLY CENTERED OVER THE CWA BY PEAK RAD COOLING TIME...THE WINDS
MAY KEEP THINGS SOMEWHAT WELL MIXED EARLY. HOWEVER...THE AIRMASS
IS ALSO DRY AND THEREFORE...RADIATIVE DECOUPLING WILL BE LIKELY.
THIS DOES FAVOR A COOLER SOLN. MODEL SOUNDINGS SUGGEST SOME
INVERSION POTENTIAL FROM ABOUT H95...WITH H95 TEMPS RIGHT AROUND
THE 0C MARK. THEREFORE...SOME BELOW FREEZING TEMPS ARE LIKELY
ESPECIALLY IN NORMALLY COOL AREAS. METNAM WAS MUCH COOLER THAN
MAV...SO TRENDED OVERNIGHT LOWS TOWARD THAT SOLN.

WITH TEMPERATURE DROPPING TO NEAR FREEZING...THE GROWING SEASON
HAS STARTED ALONG THE SOUTH COAST...CAPE AND ISLANDS. THERE IS THE
POTENTIAL THAT THIS AREA MAY MEET FROST ADVISORY AND MAYBE EVEN
FREEZE WARNING CRITERIA.  THIS WILL HAVE TO BE MONITORED.

FRIDAY...
HIGH PRESSURE REMAINS IN CONTROL AND IS EVEN PROGGED TO STRENGTHEN
SOMEWHAT IN RESPONSE TO UPSTREAM LLVL WAA. THIS FAVORS A SLOW DOWN
OF THE PATTERN AS IT BECOMES MORE AMPLIFIED. MODELS HAVE SUGGESTED
THIS SLOWING DOWN THE HIGH AND NOT ALLOWING RETURN FLOW TO REALLY
COMMENCE UNTIL LATE FRIDAY EVENING OVER MUCH OF THE AREA. AS
SUCH...EXPECT THAT WHILE WINDS WILL REMAIN LIGHT...HIGHS WILL STAY
ON THE COOLER SIDE. THE OTHER ISSUE WITH ALLOWING TEMPS TO BECOME
TOO WARM IS THAT MODEL SOUNDINGS DO SUGGEST THAT SOME UPPER LVL
MOISTURE IN THE FORM OF CI BEGINS TO STREAM OVER THE AREA FROM THE
SW...WHICH MAY CAP MIXING POTENTIAL DURING THE HEATING OF THE DAY.

&&

.LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/...
20/12Z GUIDANCE HAS COME INTO BETTER AGREEMENT WITH THEIR SYNOPTIC
SOLUTIONS...BUT THERE ARE STILL SOME DIFFERENCES. LATEST
OPERATIONAL GFS IS NO LONGER THE ONLY MODEL AMPLIFYING A MID-LEVEL
TROUGH IN THE NORTHERN ROCKIES EARLY FRIDAY. GFS ALSO HAS SUPPORT
FROM THE UKMET AND THE GEFS MEAN MAINTAINING THIS SHARPER TROUGH AS
IT MOVES OVER THE GREAT LAKES SATURDAY.  AS SUCH HAVE GREATER
CONFIDENCE THE GFS SOLUTION...AND USED IT AS A TEMPLATE FOR
TRENDING THIS PORTION OF THE FORECAST.

FRIDAY THROUGH FRIDAY NIGHT...
SURFACE HIGH PRESSURE MOVES FARTHER OUT TO SEA WITH INCREASING
SOUTH TO SOUTHEAST WINDS FRIDAY NIGHT. JUST ABOUT ALL THE SHORTER-
TERM GUIDANCE HAS EXCELLENT ISENTROPIC LIFT IN THE 280-290K LAYER.
THE PROBLEM WILL BE HOW QUICKLY THE LOWER LEVELS OF THE ATMOSPHERE
CAN SATURATE TO ALLOW RAINFALL TO REACH THE GROUND. INCREASING
FLOW OFF THE OCEAN WILL START TO SPEED THIS PROCESS UP...BUT IT
COULD LITERALLY TAKE ALL NIGHT TO DO SO. INCREASED POPS TO LIKELY
ACROSS WESTERN AND CENTRAL MA...NORTHERN CT AND SOUTHERN NH BY
LATE FRIDAY NIGHT. KEPT A CHANCE OF RAIN ALL THE WAY TO THE COAST
BY SATURDAY MORNING...BUT THIS GRADIENT MAY BE TOO BROAD.

SATURDAY INTO SUNDAY...
LOW PRESSURE EXPECTED TO MOVE FROM THE GREAT LAKES INTO QUEBEC
DURING THIS PERIOD. THIS WILL FIRST FORCE A WARM FRONT THROUGH OUR
REGION SATURDAY...FOLLOWED BY A COLD FRONT SOMETIME SATURDAY NIGHT
INTO SUNDAY. OF THE TWO UPCOMING WEEKEND DAYS...EXPECTING SATURDAY
TO HAVE THE GREATEST RISK FOR PERIODS OF RAIN.

GFS DEVELOPS A STRONGER LOW-LEVEL JET IN THE WARM SECTOR...LIKELY
DUE TO ITS STRONGER LOW PRESSURE RESULTING FROM THE STRONGER MID-
LEVEL SHORTWAVE. THINKING WINDS WILL GET RATHER GUSTY SATURDAY...
ONCE MIXING LAYER GET DEEPER WITH PASSAGE OF A WARM FRONT.

MAINTAINED A CHANCE OF SHOWERS SUNDAY...BUT THIS MAY BE TOO MUCH
TOO LATE IF A COLD FRONT MOVES OFFSHORE SLIGHTLY FASTER THAN
CURRENT EXPECTATIONS.

SUNDAY NIGHT INTO MONDAY...
EXPECTING THIS PERIOD TO BE RELATIVELY QUIET AS A SHALLOW HIGH
PRESSURE PASSES BY. STILL HAVE A CHANCE OF RAIN IN THE FORECAST
DUE TO THE PROXIMITY OF A NEARLY STATIONARY FRONTAL BOUNDARY TO
OUR SOUTH ESTABLISHES GOOD ISENTROPIC LIFT. THE AMOUNT OF
AVAILABLE MOISTURE IS QUESTIONABLE...AND MAY HAVE TO LOWER THE
RISK OF RAINFALL DURING THIS PERIOD WITH LATER FORECASTS.

MONDAY NIGHT INTO WEDNESDAY...
SHALLOW HIGH PRESSURE MOVES FARTHER OFFSHORE TUESDAY...ALLOWING THE
FRONTAL TO OUR SOUTH TO SLOWLY WORK NORTH TOWARD SOUTHERN NEW ENGLAND.
THIS COULD LEAD TO MORE RAIN SHOWERS FOR TUESDAY INTO WEDNESDAY.
CONFIDENCE IS LOW WITH RESPECT TO THE TIMING...AS AMPLIFICATION OF
THE MID-LEVEL FLOW COULD ALTER THE CURRENT TIMING SIGNIFICANTLY.

&&

.AVIATION /07Z THURSDAY THROUGH MONDAY/...
FORECASTER CONFIDENCE LEVELS...
  LOW...LESS THAN 30 PERCENT
  MEDIUM...30 PERCENT TO 60 PERCENT
  HIGH...GREATER THAN 60 PERCENT

REST OF TONIGHT...A COLD FRONT MOVING THROUGH THE STATE WILL
CONTINUE TO ALLOW IFR AND MVFR CIGS AND VSBYS OVER E PORTIONS OF
THE STATE TO LIFT INTO THE EARLY MORNING HOURS. FROM THERE VFR
WILL DOMINATE INTO THE DAY. LIGHT WINDS WILL SHIFT TO WESTERLY
WITH GUSTS APPROACHING 20 KTS BY DAYBREAK. MEDIUM CONFIDENCE IN
TIMING FOR LIFT OUT OF IFR.

THURSDAY...HIGH CONFIDENCE VFR. HIGH PRES SLOWLY BUILDS OVER THE
REGION. WINDS WNW WITH GUSTS APPROACHING 35 KT POSSIBLE...
ESPECIALLY DURING THE AFTERNOON.

THURSDAY NIGHT...HIGH CONFIDENCE VFR IN NEARLY SKC SKIES. WINDS
WILL DIMINISH TO WNW 5 TO 10 KTS LATE.

FRIDAY...HIGH CONFIDENCE VFR. SOME HIGH CLOUDS EXPECTED TO SPILL
OVER THE REGION LATE IN THE DAY. WINDS GENERALLY LIGHT...SHIFTING
TO SW LATE.

KBOS TERMINAL...MEDIUM CONFIDENCE IN TAF. IFR AND LIFR WILL LIFT
QUICKLY TO MVFR THEN VFR WITH COLD FRONTAL PASSAGE BETWEEN 06 AND
09Z. MEDIUM CONFIDENCE IN TIMING. VFR EXPECTED TO DOMINATE THROUGH
FRIDAY. WNW WINDS WILL GUST TO 35 KTS THURSDAY THEN DIMINISH
THURSDAY NIGHT INTO FRIDAY.

OUTLOOK...FRIDAY NIGHT THROUGH TUESDAY...

SATURDAY INTO SUNDAY...MEDIUM TO HIGH CONFIDENCE IN VFR SAT
MORNING...THEN LOW TO MEDIUM CONFIDENCE IN MVFR/IFR CIGS AND
VSBYS AS RAIN AND FOG BUILD OVER THE AREA FROM THE SW...ESPECIALLY
SATURDAY AFTERNOON INTO SUNDAY MORNING.

SUNDAY NIGHT AND MONDAY...MODERATE CONFIDENCE FOR VFR.

&&

.MARINE...
TODAY...SEAS WILL CONTINUE TO INCREASE ACROSS ALL OUTER WATERS AND
EVEN SOMEWHAT OVER SHELTERED BAYS. WINDS WILL INCREASE OUT OF THE
NW ESPECIALLY DURING DAYLIGHT HOURS. WHILE MOST GUSTS WILL REMAIN
BELOW GALE FORCE...CANNOT RULE OUT A FEW GUSTS APPROACHING 35
KT...ESPECIALLY OVER NORTHERN WATERS. SMALL CRAFT ADVISORIES
REMAIN IN PLACE OVER ALL WATERS DURING THE DAY TODAY.

THURSDAY NIGHT...BOTH WINDS AND SEAS BEGIN TO SLACKEN OVERNIGHT.
EXPECT THAT WINDS WILL DECREASE FIRST...BUT IT WILL TAKE THE SWELL
INTO EARLY FRIDAY TO DIMINISH BELOW 5 FT IN THE OUTER WATERS.
SMALL CRAFT ADVISORIES WILL CONTINUE INTO THE OVERNIGHT...BUT
SHELTERED HARBORS AND BAYS WILL LIKELY DROP BELOW SMALL CRAFT
AFTER MIDNIGHT.

FRIDAY...WINDS AND SEAS GENERALLY REMAIN BELOW SCA CRITERIA.

OUTLOOK...FRIDAY NIGHT THROUGH TUESDAY...

WINDS AND SEAS ARE RELATIVELY LIGHT FRIDAY NIGHT AS HIGH PRESSURE
BUILDS OVER THE WATERS. INCREASING SOUTH TO SOUTHEAST FLOW
SATURDAY INTO SUNDAY SHOULD ALSO RESULT IN BUILDING SEAS. SMALL
CRAFT ADVISORIES MAY BE NEEDED DURING THIS TIME. ANOTHER HIGH
PRESSURE SHOULD ARRIVE FROM THE NORTHWEST SUNDAY NIGHT INTO
MONDAY...ALLOWING WINDS AND SEAS TO BEGIN TO DIMINISH.

&&

.HYDROLOGY...
WHILE MOST POINTS ALONG THE CONNECTICUT RIVER HAVE CRESTED AND
CONTINUE TO DECLINE...THE RIVER AT MIDDLETOWN AND HARTFORD
CONTINUE TO REMAIN ABOVE FLOOD STAGE. THEREFORE FLOOD WARNINGS
WILL CONTINUE UNTIL FURTHER NOTICE.

RECENT RAINFALL AMOUNTS INTO TONIGHT ARE NOT EXPECTED TO HAVE A
SIGNIFICANT IMPACT ON RIVER STAGES.

PLEASE SEE THE LATEST FLOOD STATEMENTS FOR FURTHER INFORMATION.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...NONE.
NH...NONE.
RI...NONE.
MARINE...SMALL CRAFT ADVISORY FROM 6 AM THIS MORNING TO 2 AM EDT FRIDAY
     FOR ANZ230>232-236-251.
     SMALL CRAFT ADVISORY UNTIL 11 PM EDT THIS EVENING FOR ANZ233-
     234.
     SMALL CRAFT ADVISORY UNTIL 8 AM EDT FRIDAY FOR ANZ235-237-
     254>256.
     SMALL CRAFT ADVISORY FROM 6 AM THIS MORNING TO 8 AM EDT FRIDAY
     FOR ANZ250.

&&

SYNOPSIS...DOODY/RLG
NEAR TERM...DOODY
SHORT TERM...DOODY
LONG TERM...RLG
AVIATION...DOODY/RLG
MARINE...DOODY/RLG
HYDROLOGY...DOODY
Hazardous weather outlook, Apr 20, 5:05 PM EDT, 10 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
505 PM EDT WED APR 20 2011

CTZ002-212115-
HARTFORD CT-
505 PM EDT WED APR 20 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR HARTFORD COUNTY CONNECTICUT.

.DAY ONE...TONIGHT.

RIVER FLOOD WARNINGS CONTINUE ALONG THE CONNECTICUT RIVER.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

RIVER FLOOD WARNINGS WILL LIKELY CONTINUE ALONG THE CONNECTICUT
RIVER INTO FRIDAY. PLEASE SEE THE LATEST FLOOD STATEMENT FOR MORE
DETAILS.

THERE IS A LOW PROBABILITY WIND GUSTS MAY REACH WIND ADVISORY
LEVELS THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ003-004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-212115-
TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
EASTERN ESSEX MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
BARNSTABLE MA-DUKES MA-NANTUCKET MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
505 PM EDT WED APR 20 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...ALL
OF MASSACHUSETTS EXCEPT BERKSHIRE COUNTY...SOUTHERN NEW HAMPSHIRE
AND RHODE ISLAND.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THERE IS A LOW PROBABILITY WIND GUSTS MAY REACH WIND ADVISORY
LEVELS THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230>237-250-251-254>256-212115-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO
20 NM SOUTH OF BLOCK ISLAND-
505 PM EDT WED APR 20 2011

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THERE IS A LOW PROBABILITY FOR WIND GUSTS TO BRIEFLY APPROACH GALE
FORCE THURSDAY DAY INTO THURSDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 12:52 PM EDTGale WarningBOX9 hr

Nearby

Small Craft Advisories in Massachusetts, 2011Every small craft advisory 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.