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Weather Alerts

 

Flood Advisories for the Region

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Last updated: Sunday, August 12, 2018 8:52 AM

Flash Flood/Coastal Flood Watches
(Scroll down to see ALL of the Flood Advisories)

New Hampshire and Maine

 

This Hazardous Weather Outlook is for southwest Maine and southern
New Hampshire.

.Today and Tonight.

High astronomical tides may combine with a slight onshore flow to
produce minor splashover near high tide tonight.

.Monday through Saturday.

High astronomical tides continue through Monday night, and could
lead to a period of splashover.

 

 

 

=====================================

MA

Flash Flood Watch

Flood Watch
National Weather Service Boston/Norton MA
328 AM EDT Sun Aug 12 2018

MAZ005>007-013>021-RIZ001>007-121400-
/O.EXT.KBOX.FF.A.0006.000000T0000Z-180812T1400Z/
/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,
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton,
Brockton, Plymouth, Fall River, New Bedford, Mattapoisett,
Foster, Smithfield, Providence, Coventry, West Greenwich,
East Greenwich, Warwick, West Warwick, Bristol, Narragansett,
Westerly, and Newport
328 AM EDT Sun Aug 12 2018

...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 10 AM EDT THIS MORNING...

The Flash Flood Watch is now in effect for

* Portions of Eastern Massachusetts and Rhode Island, including
the following areas, in Massachusetts, Bristol, Central and
Southeast Middlesex, Essex, Norfolk, Plymouth, and Suffolk. In
Rhode Island, Bristol, Kent, Newport, Providence, and
Washington.

* Until 10 AM EDT this morning

* Showers and perhaps isolated thunderstorms with pockets of
torrential rainfall will continue through mid to late morning.
Some of the activity may train over the same
locations...bringing the potential for localized flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

 

 

========================================================

Coastal Flood Advisory

Coastal Hazard Message
National Weather Service Boston/Norton MA
251 AM EDT Sun Aug 12 2018

MAZ007-015-016-019-022-024-121500-
/O.NEW.KBOX.CF.Y.0017.180813T0300Z-180813T0700Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Nantucket MA-
251 AM EDT Sun Aug 12 2018

...COASTAL FLOOD ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
3 AM EDT MONDAY...

The National Weather Service in Boston/Norton has issued a
Coastal Flood Advisory, which is in effect from 11 PM this
evening to 3 AM EDT Monday.

* LOCATIONS...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA,
Eastern Plymouth MA, Barnstable MA and Nantucket MA Counties.

* TIMING...The overnight high tide cycle which occurs shortly
before 1 am Monday morning.

* COASTAL FLOOD IMPACTS...Splash over and minor coastal flooding
of the typically vulnerable shore roads are possible within an
hour or two of high tide. Any impacts though will be minor and
short- lived.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Coastal Flood Advisory is issued for minor coastal flooding of
the most vulnerable shore roads and/or basements due to the
height of storm tide or wave splashover. The majority of roads
remain passable with only isolated closures. There is no
significant threat to life...and impact on property is minimal.

&&

Time of high total tides are approximate to the nearest hour.
Category thresholds are based on still water levels. Impacts
may be greater, depending upon wave action.

Newburyport
MLLW Categories - Minor 11.0 FT, Moderate 12.5 FT, Major 14.0 FT
MHHW Categories - Minor 1.5 FT, Moderate 3.0 FT, Major 4.5 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 10.1/10.6 0.6/ 1.1 0.2/ 0.8 2 None
12/01 PM 9.4/ 9.9 -0.2/ 0.3 0.2/ 0.8 2 None
13/01 AM 10.4/10.9 0.9/ 1.4 0.2/ 0.8 2 None
13/02 PM 9.0/ 9.5 -0.6/-0.1 -0.2/ 0.2 2 None
14/02 AM 9.7/10.2 0.2/ 0.7 -0.2/ 0.2 1 None
14/03 PM 9.1/ 9.6 -0.5/ 0.0 -0.2/ 0.2 1 None

Gloucester Harbor
MLLW Categories - Minor 12.0 FT, Moderate 14.5 FT, Major 15.5 FT
MHHW Categories - Minor 2.5 FT, Moderate 5.0 FT, Major 6.0 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 10.9/11.4 1.4/ 1.9 0.2/ 0.8 2 None
12/01 PM 10.6/11.1 1.1/ 1.6 0.2/ 0.8 2 None
13/01 AM 11.7/12.2 2.2/ 2.7 0.2/ 0.8 2 Minor
13/01 PM 10.5/11.0 1.0/ 1.5 0.0/ 0.5 2 None
14/02 AM 11.0/11.5 1.5/ 2.0 -0.2/ 0.3 1 None
14/02 PM 10.5/11.0 1.0/ 1.5 0.0/ 0.5 1 None

Boston Harbor
MLLW Categories - Minor 12.5 FT, Moderate 15.0 FT, Major 16.0 FT
MHHW Categories - Minor 2.4 FT, Moderate 4.9 FT, Major 5.9 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 11.6/12.1 1.5/ 2.0 0.2/ 0.8 1 None
12/01 PM 11.1/11.6 1.0/ 1.5 0.2/ 0.8 1 None
13/01 AM 12.2/12.7 2.1/ 2.6 0.2/ 0.8 1 Minor
13/02 PM 10.8/11.3 0.7/ 1.1 -0.2/ 0.2 1 None
14/02 AM 11.5/12.0 1.4/ 1.9 -0.2/ 0.2 1 None
14/02 PM 10.8/11.3 0.7/ 1.1 -0.2/ 0.2 1 None

Revere
MLLW Categories - Minor 12.5 FT, Moderate 15.0 FT, Major 16.5 FT
MHHW Categories - Minor 2.6 FT, Moderate 5.1 FT, Major 6.6 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 11.4/11.9 1.5/ 2.0 0.2/ 0.8 2 None
12/01 PM 11.0/11.5 1.1/ 1.6 0.2/ 0.8 1 None
13/01 AM 12.1/12.6 2.2/ 2.7 0.2/ 0.8 1-2 None
13/02 PM 10.9/11.4 1.0/ 1.5 0.0/ 0.5 2 None
14/02 AM 11.5/12.0 1.6/ 2.0 0.0/ 0.5 1 None
14/02 PM 10.9/11.4 1.0/ 1.5 0.0/ 0.5 1 None

Scituate
MLLW Categories - Minor 11.5 FT, Moderate 14.0 FT, Major 16.0 FT
MHHW Categories - Minor 1.8 FT, Moderate 4.3 FT, Major 6.3 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 11.0/11.5 1.3/ 1.8 0.2/ 0.8 2 None
12/01 PM 10.5/11.0 0.8/ 1.3 0.2/ 0.8 2 None
13/01 AM 11.7/12.2 2.0/ 2.5 0.2/ 0.8 2 Minor
13/02 PM 10.2/10.7 0.5/ 1.0 -0.2/ 0.2 2-3 None
14/02 AM 11.0/11.5 1.3/ 1.8 -0.2/ 0.2 1 None
14/02 PM 10.3/10.8 0.6/ 1.1 -0.2/ 0.2 1 None

Sandwich / Dennis
MLLW Categories - Minor 13.0 FT, Moderate 14.0 FT, Major 15.5 FT
MHHW Categories - Minor 2.7 FT, Moderate 3.7 FT, Major 5.2 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 11.3/11.8 1.0/ 1.5 0.2/ 0.8 1 None
12/01 PM 10.9/11.4 0.6/ 1.1 0.2/ 0.8 1 None
13/01 AM 12.1/12.6 1.8/ 2.2 0.2/ 0.8 1 None
13/01 PM 10.8/11.3 0.5/ 1.0 0.0/ 0.5 1-2 None
14/02 AM 11.5/12.0 1.2/ 1.7 0.0/ 0.5 1 None
14/02 PM 10.8/11.3 0.5/ 1.0 0.0/ 0.5 1 None

Provincetown Harbor
MLLW Categories - Minor 12.5 FT, Moderate 13.5 FT, Major 15.0 FT
MHHW Categories - Minor 2.4 FT, Moderate 3.4 FT, Major 4.9 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 11.9/12.4 1.8/ 2.2 0.2/ 0.8 1 None
12/01 PM 11.4/11.9 1.3/ 1.8 0.2/ 0.8 1 None
13/01 AM 12.5/13.0 2.3/ 2.8 0.2/ 0.8 1 None
13/02 PM 11.1/11.6 1.0/ 1.5 -0.2/ 0.3 1 None
14/02 AM 11.9/12.4 1.8/ 2.2 -0.2/ 0.3 1 None
14/02 PM 11.2/11.7 1.1/ 1.6 0.0/ 0.5 1 None

Chatham - East Coast
MLLW Categories - Minor 9.5 FT, Moderate 12.0 FT, Major 13.0 FT
MHHW Categories - Minor 1.8 FT, Moderate 4.3 FT, Major 5.3 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 7.1/ 7.6 -0.7/-0.2 0.2/ 0.8 1-2 None
12/02 PM 6.1/ 6.6 -1.7/-1.2 0.2/ 0.8 2 None
13/02 AM 7.1/ 7.6 -0.7/-0.2 0.2/ 0.8 2 None
13/02 PM 5.9/ 6.4 -1.9/-1.4 -0.2/ 0.3 3 None
14/03 AM 6.5/ 7.0 -1.3/-0.8 -0.2/ 0.3 2 None
14/03 PM 6.0/ 6.5 -1.8/-1.3 -0.2/ 0.3 2 None

Chatham - South Coast
MLLW Categories - Minor 9.0 FT, Moderate 10.5 FT, Major 11.5 FT
MHHW Categories - Minor 4.5 FT, Moderate 6.0 FT, Major 7.0 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 5.1/ 5.6 0.6/ 1.1 0.2/ 0.8 1 None
12/02 PM 4.2/ 4.7 -0.2/ 0.2 0.2/ 0.8 1 None
13/02 AM 5.0/ 5.5 0.5/ 1.0 0.2/ 0.8 1 None
13/02 PM 4.0/ 4.5 -0.5/ 0.0 0.0/ 0.5 1 None
14/03 AM 4.6/ 5.1 0.1/ 0.6 0.0/ 0.5 1 None
14/03 PM 4.2/ 4.7 -0.3/ 0.2 0.0/ 0.5 2 None

Buzzards Bay - Woods Hole
MLLW Categories - Minor 5.5 FT, Moderate 7.0 FT, Major 8.5 FT
MHHW Categories - Minor 3.5 FT, Moderate 5.0 FT, Major 6.5 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/10 AM 3.0/ 3.5 1.0/ 1.5 0.0/ 0.5 1 None
12/10 PM 3.2/ 3.7 1.2/ 1.7 0.0/ 0.5 1 None
13/10 AM 3.1/ 3.6 1.1/ 1.6 0.0/ 0.5 1 None
13/11 PM 3.1/ 3.6 1.1/ 1.6 0.0/ 0.5 1-2 None
14/11 AM 3.0/ 3.5 1.0/ 1.5 0.0/ 0.5 2 None
14/11 PM 2.7/ 3.2 0.7/ 1.1 -0.2/ 0.3 2 None

Wings Neck
MLLW Categories - Minor 6.5 FT, Moderate 9.0 FT, Major 11.5 FT
MHHW Categories - Minor 2.2 FT, Moderate 4.7 FT, Major 7.2 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/09 AM 5.1/ 5.6 0.8/ 1.3 0.0/ 0.5 1 None
12/10 PM 5.4/ 5.9 1.1/ 1.6 0.1/ 0.6 1 None
13/10 AM 5.2/ 5.7 0.9/ 1.4 0.0/ 0.5 1 None
13/11 PM 5.1/ 5.6 0.8/ 1.3 0.0/ 0.5 1 None
14/11 AM 5.1/ 5.6 0.8/ 1.3 0.0/ 0.5 1 None
14/11 PM 4.7/ 5.2 0.5/ 1.0 0.0/ 0.5 1 None

Nantucket Harbor
MLLW Categories - Minor 5.0 FT, Moderate 6.5 FT, Major 8.0 FT
MHHW Categories - Minor 1.4 FT, Moderate 2.9 FT, Major 4.4 FT

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 4.4/ 4.9 0.8/ 1.3 0.2/ 0.8 1 None
12/02 PM 3.6/ 4.1 0.0/ 0.5 0.2/ 0.8 1-2 None
13/02 AM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 1 None
13/03 PM 3.4/ 3.9 -0.2/ 0.2 0.0/ 0.5 1-2 None
14/03 AM 3.7/ 4.2 0.1/ 0.6 -0.2/ 0.3 2 None
14/04 PM 3.4/ 3.9 -0.2/ 0.2 -0.2/ 0.3 2 None

Nantucket East Coast - Erosion Impacts

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 4.7/ 5.2 0.7/ 1.1 0.2/ 0.8 1-2 None
12/01 PM 4.0/ 4.5 0.0/ 0.5 0.2/ 0.8 2 None
13/02 AM 4.7/ 5.2 0.6/ 1.1 0.2/ 0.8 2 None
13/02 PM 3.9/ 4.4 -0.2/ 0.2 0.0/ 0.5 2-3 None
14/03 AM 4.2/ 4.7 0.1/ 0.6 -0.2/ 0.3 3 None
14/03 PM 3.7/ 4.2 -0.3/ 0.2 -0.2/ 0.3 3 None

Nantucket - Madaket Area Erosion Impacts

Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
12/01 AM 3.2/ 3.7 1.8/ 2.2 0.2/ 0.8 2 None
12/01 PM 2.8/ 3.4 1.5/ 2.0 0.2/ 0.8 2 None
13/02 AM 3.2/ 3.7 1.8/ 2.2 0.2/ 0.8 3 None
13/02 PM 2.6/ 3.1 1.2/ 1.7 0.0/ 0.5 3 None
14/02 AM 2.7/ 3.2 1.4/ 1.9 0.0/ 0.5 3 None
14/03 PM 2.6/ 3.1 1.2/ 1.7 0.0/ 0.5 3 None

 

 

 

Proud member of the National Weather Service "SkyWarn" program

 


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