Alert archive / Massachusetts / Coastal Flood Statements in 2020
Coastal Flood Statement 10, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this coastal flood statement at Oct 17, 2020, 4:07 PM EDT for 7 counties in Massachusetts. It took effect at Oct 18, 2020, 12:00 PM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Oct 17, 2020, 4:07 PM EDT (20:07 UTC)
- In effect from
- Oct 18, 2020, 12:00 PM EDT
- Expired
- Oct 18, 2020, 4:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Dukes County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 37 km from the middle of the area, began a volume at 20:10 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, 8.1 hours before the alert went out and 66 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 90 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- 524 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
127
WHUS41 KBOX 172007
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
407 PM EDT Sat Oct 17 2020
MAZ007-015-016-019-022>024-180900-
/O.NEW.KBOX.CF.S.0010.201018T1600Z-201018T2000Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
407 PM EDT Sat Oct 17 2020
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.8 to 13.3 feet Mean Lower Low Water).
* WHERE...Eastern Massachusetts coast, including Cape Cod and
the Islands.
* WHEN...Sunday afternoon.
* IMPACTS...Splashover is expected along parts of the coastline, with very
minor inundation in some locations, especially those shoreline roads
and parking lots that are most vulnerable to coastal flooding.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Despite limited impacts, remember to avoid flooded areas.
&&
&&
Time of high total tides are approximate to the nearest hour.
Merrimack River near Newburyport MA
MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 8.7/ 9.2 -0.9/-0.4 -0.8/-0.2 1 None
18/01 PM 9.5/10.0 0.0/ 0.5 -0.8/-0.2 1 None
19/02 AM 8.6/ 9.1 -1.0/-0.5 -0.8/-0.2 1 None
Gloucester Harbor
MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.0 ft, Moderate 3.5 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.4/10.9 0.9/ 1.4 -0.5/ 0.0 2 None
18/01 PM 11.3/11.8 1.8/ 2.2 -0.2/ 0.2 2-3 Minor
19/01 AM 10.3/10.8 0.8/ 1.3 -0.3/ 0.2 3 None
Revere
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.8/11.3 0.9/ 1.4 -0.5/ 0.0 1 None
18/01 PM 11.8/12.3 1.9/ 2.3 -0.2/ 0.2 1 None
19/01 AM 10.8/11.3 0.9/ 1.4 -0.2/ 0.2 1 None
Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.4 ft, Moderate 4.4 ft, Major 5.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 11.0/11.5 0.9/ 1.4 -0.3/ 0.2 1 None
18/01 PM 11.7/12.2 1.6/ 2.0 -0.3/ 0.2 1 None
19/01 AM 10.8/11.3 0.7/ 1.1 -0.3/ 0.2 1 None
Scituate MA
MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
MHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.4/10.9 0.7/ 1.1 -0.2/ 0.2 1-2 None
18/01 PM 11.2/11.7 1.5/ 2.0 -0.2/ 0.2 2-3 Minor
19/01 AM 10.3/10.8 0.6/ 1.1 -0.2/ 0.2 2-3 None
Chatham - South side
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
-------- --------- --------- --------- ------- --------
Wings Neck
MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
17/09 PM 5.2/ 5.7 0.8/ 1.3 0.2/ 0.8 1 None
18/10 AM 6.0/ 6.5 1.6/ 2.0 0.4/ 0.9 1 None
18/10 PM 5.4/ 5.9 1.0/ 1.5 0.6/ 1.1 1 None
19/10 AM 5.9/ 6.4 1.5/ 2.0 0.5/ 1.0 1 None
Provincetown Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 11.7/12.2 1.6/ 2.0 0.4/ 0.9 1 None
18/01 PM 12.6/13.1 2.5/ 3.0 0.6/ 1.1 1 Minor
19/02 AM 11.6/12.1 1.5/ 2.0 0.5/ 1.0 1 None
Buzzards Bay at 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
-------- --------- --------- --------- ------- --------
17/09 PM 3.1/ 3.6 1.1/ 1.6 0.2/ 0.8 1-2 None
18/10 AM 3.7/ 4.2 1.7/ 2.2 0.2/ 0.8 1 None
18/10 PM 3.4/ 3.9 1.4/ 1.9 0.6/ 1.1 1 None
19/11 AM 3.7/ 4.2 1.8/ 2.2 0.5/ 1.0 1 None
Dennis - Sesuit Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 12.1/12.6 1.6/ 2.0 0.4/ 0.9 1 None
18/01 PM 13.1/13.6 2.6/ 3.1 0.6/ 1.1 1 Minor
19/01 AM 12.0/12.5 1.5/ 2.0 0.5/ 1.0 1 None
Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.8 ft, Major 5.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 5.2/ 5.7 -2.5/-2.0 0.0/ 0.5 2-3 None
18/02 PM 6.2/ 6.7 -1.6/-1.1 0.2/ 0.7 3 None
19/02 AM 5.4/ 5.9 -2.3/-1.9 0.1/ 0.6 3 None
Sandwich Harbor
MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 1.7 ft, Moderate 3.7 ft, Major 4.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.6/11.1 0.2/ 0.8 0.6/ 1.1 1-2 None
18/01 PM 11.7/12.2 1.4/ 1.9 0.9/ 1.4 1 Minor
19/01 AM 10.6/11.1 0.2/ 0.8 0.8/ 1.3 1 None
Vineyard Haven
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
MHHW Categories - Minor 3.0 ft, Moderate 4.5 ft, Major 6.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 2.2/ 2.7 0.2/ 0.8 0.2/ 0.8 1 None
18/01 PM 2.6/ 3.1 0.6/ 1.1 0.2/ 0.8 1 None
19/02 AM 2.2/ 2.7 0.2/ 0.7 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
18/01 AM 3.5/ 4.0 -0.2/ 0.3 0.1/ 0.6 1 None
18/02 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
19/02 AM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.7 1 None
&&
$$2 follow-up statements
782
WHUS41 KBOX 180739
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
339 AM EDT Sun Oct 18 2020
MAZ007-015-016-019-022>024-181545-
/O.CON.KBOX.CF.S.0010.201018T1600Z-201018T2000Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
339 AM EDT Sun Oct 18 2020
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.8 to 13.3 feet Mean Lower Low Water).
* WHERE...Eastern Norfolk MA, Eastern Plymouth MA, Suffolk MA,
Eastern Essex MA, Barnstable MA, Dukes MA and Nantucket MA
Counties.
* WHEN...From noon EDT today through this afternoon.
* IMPACTS...Some water on low lying roads and property.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
&&
Time of high total tides are approximate to the nearest hour.
Merrimack River near Newburyport MA
MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 8.7/ 9.2 -0.9/-0.4 -0.8/-0.2 1 None
18/01 PM 9.5/10.0 0.0/ 0.5 -0.8/-0.2 1 None
19/02 AM 8.6/ 9.1 -1.0/-0.5 -0.8/-0.2 1 None
19/02 PM 9.5/10.0 0.0/ 0.5 -0.8/-0.2 1 None
20/03 AM 8.3/ 8.8 -1.3/-0.8 -0.8/-0.2 1 None
Gloucester Harbor
MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.0 ft, Moderate 3.5 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.4/10.9 0.9/ 1.4 -0.5/ 0.0 2 None
18/01 PM 11.3/11.8 1.8/ 2.2 -0.2/ 0.2 2-3 Minor
19/01 AM 10.3/10.8 0.8/ 1.3 -0.3/ 0.2 3 None
19/02 PM 11.0/11.5 1.5/ 2.0 -0.5/ 0.0 3 None
20/02 AM 9.9/10.4 0.4/ 0.9 -0.3/ 0.2 3-4 None
Revere
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.8/11.3 0.9/ 1.4 -0.5/ 0.0 1 None
18/01 PM 11.8/12.3 1.9/ 2.3 -0.2/ 0.2 1 None
19/01 AM 10.8/11.3 0.9/ 1.4 -0.2/ 0.2 1 None
19/02 PM 11.6/12.1 1.7/ 2.2 -0.3/ 0.2 1 None
20/02 AM 10.3/10.8 0.4/ 0.9 -0.3/ 0.2 1 None
Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.4 ft, Moderate 4.4 ft, Major 5.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 11.0/11.5 0.9/ 1.4 -0.3/ 0.2 1 None
18/01 PM 11.7/12.2 1.6/ 2.0 -0.3/ 0.2 1 None
19/01 AM 10.8/11.3 0.7/ 1.1 -0.3/ 0.2 1 None
19/02 PM 11.6/12.1 1.5/ 2.0 -0.3/ 0.2 1 None
20/02 AM 10.4/10.9 0.2/ 0.8 -0.3/ 0.2 1 None
Scituate MA
MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
MHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.4/10.9 0.7/ 1.1 -0.2/ 0.2 1-2 None
18/01 PM 11.2/11.7 1.5/ 2.0 -0.2/ 0.2 2-3 Minor
19/01 AM 10.3/10.8 0.6/ 1.1 -0.2/ 0.2 2-3 None
19/02 PM 11.3/11.8 1.6/ 2.0 -0.2/ 0.2 2-3 Minor
20/02 AM 9.9/10.4 0.2/ 0.7 -0.2/ 0.2 3 None
Chatham - South side
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
-------- --------- --------- --------- ------- --------
Wings Neck
MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
17/09 PM 5.2/ 5.7 0.8/ 1.3 0.2/ 0.8 1 None
18/10 AM 6.0/ 6.5 1.6/ 2.0 0.4/ 0.9 1 None
18/10 PM 5.4/ 5.9 1.0/ 1.5 0.6/ 1.1 1 None
19/10 AM 5.9/ 6.4 1.5/ 2.0 0.5/ 1.0 1 None
19/11 PM 5.1/ 5.6 0.7/ 1.1 0.5/ 1.0 1 None
20/11 AM 5.6/ 6.1 1.2/ 1.7 0.5/ 1.0 1 None
Provincetown Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 11.7/12.2 1.6/ 2.0 0.4/ 0.9 1 None
18/01 PM 12.6/13.1 2.5/ 3.0 0.6/ 1.1 1 Minor
19/02 AM 11.6/12.1 1.5/ 2.0 0.5/ 1.0 1 None
19/02 PM 12.3/12.8 2.2/ 2.7 0.4/ 0.9 2 None
20/02 AM 11.1/11.6 1.0/ 1.5 0.5/ 1.0 2 None
Buzzards Bay at 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
-------- --------- --------- --------- ------- --------
17/09 PM 3.1/ 3.6 1.1/ 1.6 0.2/ 0.8 1-2 None
18/10 AM 3.7/ 4.2 1.7/ 2.2 0.2/ 0.8 1 None
18/10 PM 3.4/ 3.9 1.4/ 1.9 0.6/ 1.1 1 None
19/11 AM 3.7/ 4.2 1.8/ 2.2 0.5/ 1.0 1 None
19/11 PM 3.0/ 3.5 1.0/ 1.5 0.4/ 0.9 1 None
20/11 AM 3.5/ 4.0 1.5/ 2.0 0.5/ 1.0 1 None
Dennis - Sesuit Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 12.1/12.6 1.6/ 2.0 0.4/ 0.9 1 None
18/01 PM 13.1/13.6 2.6/ 3.1 0.6/ 1.1 1 Minor
19/01 AM 12.0/12.5 1.5/ 2.0 0.5/ 1.0 1 None
19/02 PM 12.9/13.4 2.3/ 2.8 0.4/ 0.9 1-2 Minor
20/02 AM 11.7/12.2 1.2/ 1.7 0.5/ 1.0 1 None
Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.8 ft, Major 5.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 5.2/ 5.7 -2.5/-2.0 0.0/ 0.5 2-3 None
18/02 PM 6.2/ 6.7 -1.6/-1.1 0.2/ 0.7 3 None
19/02 AM 5.4/ 5.9 -2.3/-1.9 0.1/ 0.6 3 None
19/03 PM 6.0/ 6.5 -1.8/-1.3 0.0/ 0.5 3 None
20/03 AM 5.2/ 5.7 -2.6/-2.1 0.1/ 0.6 3 None
Sandwich Harbor
MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 1.7 ft, Moderate 3.7 ft, Major 4.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 10.6/11.1 0.2/ 0.8 0.6/ 1.1 1-2 None
18/01 PM 11.7/12.2 1.4/ 1.9 0.9/ 1.4 1 Minor
19/01 AM 10.6/11.1 0.2/ 0.8 0.8/ 1.3 1 None
19/02 PM 11.4/11.9 1.1/ 1.6 0.7/ 1.1 2 None
20/02 AM 10.3/10.8 0.0/ 0.5 0.8/ 1.3 2 None
Vineyard Haven
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
MHHW Categories - Minor 3.0 ft, Moderate 4.5 ft, Major 6.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 AM 2.2/ 2.7 0.2/ 0.8 0.2/ 0.8 1 None
18/01 PM 2.6/ 3.1 0.6/ 1.1 0.2/ 0.8 1 None
19/02 AM 2.2/ 2.7 0.2/ 0.7 0.2/ 0.8 1 None
19/02 PM 2.5/ 3.0 0.5/ 1.0 0.2/ 0.8 1 None
20/02 AM 2.1/ 2.6 0.1/ 0.6 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
18/01 AM 3.5/ 4.0 -0.2/ 0.3 0.1/ 0.6 1 None
18/02 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
19/02 AM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.7 1 None
19/03 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 2 None
20/04 AM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.8 2 None
&&
$$961
WHUS41 KBOX 182004
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
404 PM EDT Sun Oct 18 2020
MAZ007-015-016-019-022>024-190415-
/O.EXP.KBOX.CF.S.0010.000000T0000Z-201018T2000Z/
/O.NEW.KBOX.CF.S.0011.201019T1600Z-201019T1900Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
404 PM EDT Sun Oct 18 2020
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (2.4 to 13.1 feet Mean Lower Low Water).
* WHERE...Eastern Norfolk MA, Eastern Plymouth MA, Suffolk MA,
Eastern Essex MA, Barnstable MA, Dukes MA and Nantucket MA
Counties.
* WHEN...From noon to 3 pm Monday.
* IMPACTS...Some water on low lying roads and property.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
&&
Time of high total tides are approximate to the nearest hour.
Merrimack River near Newburyport MA
MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 9.3/ 9.8 -0.2/ 0.2 -1.0/-0.5 1 None
19/02 AM 8.4/ 8.9 -1.1/-0.7 -1.0/-0.5 1 None
19/02 PM 9.3/ 9.8 -0.2/ 0.2 -1.0/-0.5 1 None
20/03 AM 8.1/ 8.6 -1.5/-1.0 -1.0/-0.5 1 None
20/03 PM 9.1/ 9.6 -0.5/ 0.0 -1.0/-0.5 1 None
Gloucester Harbor
MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.0 ft, Moderate 3.5 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 11.2/11.7 1.7/ 2.2 -0.3/ 0.2 2 Minor
19/01 AM 10.3/10.8 0.8/ 1.3 -0.3/ 0.2 3 None
19/02 PM 10.9/11.4 1.4/ 1.9 -0.6/-0.1 3 None
20/02 AM 9.8/10.3 0.2/ 0.8 -0.5/ 0.0 3-4 None
20/03 PM 10.7/11.2 1.2/ 1.7 -0.5/ 0.0 3-4 None
Revere
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 11.8/12.3 1.9/ 2.3 -0.2/ 0.2 1 None
19/01 AM 10.8/11.3 0.9/ 1.4 -0.2/ 0.2 1 None
19/02 PM 11.6/12.1 1.7/ 2.2 -0.3/ 0.2 1 None
20/02 AM 10.3/10.8 0.4/ 0.9 -0.3/ 0.2 1 None
20/03 PM 11.4/11.9 1.5/ 2.0 -0.2/ 0.2 1 None
Boston Harbor
MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.4 ft, Moderate 4.4 ft, Major 5.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 11.6/12.1 1.5/ 2.0 -0.5/ 0.0 1 None
19/01 AM 10.7/11.2 0.6/ 1.1 -0.5/ 0.0 1 None
19/02 PM 11.5/12.0 1.4/ 1.9 -0.5/ 0.0 1 None
20/02 AM 10.3/10.8 0.2/ 0.7 -0.5/ 0.0 1 None
20/03 PM 11.2/11.7 1.1/ 1.6 -0.5/ 0.0 1 None
Scituate MA
MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
MHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 11.2/11.7 1.5/ 2.0 -0.2/ 0.2 2-3 Minor
19/01 AM 10.3/10.8 0.6/ 1.1 -0.2/ 0.2 2-3 None
19/02 PM 11.3/11.8 1.6/ 2.0 -0.2/ 0.2 3 Minor
20/02 AM 9.9/10.4 0.2/ 0.7 -0.2/ 0.2 3 None
20/03 PM 11.0/11.5 1.3/ 1.8 -0.2/ 0.2 3 None
Chatham - South side
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
-------- --------- --------- --------- ------- --------
Wings Neck
MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
MHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/10 AM 5.9/ 6.4 1.5/ 2.0 0.2/ 0.8 1 None
18/10 PM 5.2/ 5.7 0.9/ 1.4 0.5/ 1.0 1 None
19/10 AM 5.7/ 6.2 1.4/ 1.9 0.4/ 0.9 1 None
19/11 PM 5.0/ 5.5 0.6/ 1.1 0.4/ 0.9 1 None
20/11 AM 5.5/ 6.0 1.1/ 1.6 0.4/ 0.9 1 None
21/12 AM 4.6/ 5.1 0.2/ 0.7 0.2/ 0.8 1 None
Provincetown Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 12.6/13.1 2.5/ 3.0 0.6/ 1.1 2 Minor
19/02 AM 11.6/12.1 1.5/ 2.0 0.5/ 1.0 2 None
19/02 PM 12.3/12.8 2.2/ 2.7 0.4/ 0.9 2 None
20/02 AM 11.1/11.6 1.0/ 1.5 0.5/ 1.0 2 None
20/03 PM 12.1/12.6 2.0/ 2.5 0.5/ 1.0 2-3 None
Buzzards Bay at 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
-------- --------- --------- --------- ------- --------
18/10 AM 3.7/ 4.2 1.8/ 2.2 0.4/ 0.9 1 None
18/10 PM 3.4/ 3.9 1.4/ 1.9 0.6/ 1.1 1 None
19/11 AM 3.7/ 4.2 1.8/ 2.2 0.5/ 1.0 1 None
19/11 PM 3.0/ 3.5 1.0/ 1.5 0.4/ 0.9 1 None
20/11 AM 3.5/ 4.0 1.5/ 2.0 0.5/ 1.0 1 None
21/12 AM 2.7/ 3.2 0.8/ 1.3 0.4/ 0.9 1 None
Dennis - Sesuit Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 13.1/13.6 2.6/ 3.1 0.6/ 1.1 1 Minor
19/01 AM 12.1/12.6 1.6/ 2.0 0.6/ 1.1 1 None
19/02 PM 12.9/13.4 2.3/ 2.8 0.4/ 0.9 1-2 Minor
20/02 AM 11.7/12.2 1.2/ 1.7 0.5/ 1.0 1-2 None
20/03 PM 12.8/13.3 2.2/ 2.7 0.5/ 1.0 2 Minor
Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.8 ft, Major 5.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/02 PM 6.2/ 6.7 -1.6/-1.1 0.2/ 0.7 3 None
19/02 AM 5.4/ 5.9 -2.3/-1.9 0.1/ 0.6 3 None
19/03 PM 6.0/ 6.5 -1.8/-1.3 0.0/ 0.5 3 None
20/03 AM 5.2/ 5.7 -2.6/-2.1 0.1/ 0.6 3 None
20/03 PM 6.0/ 6.5 -1.8/-1.3 0.1/ 0.6 3 None
Sandwich Harbor
MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories - Minor 1.7 ft, Moderate 3.7 ft, Major 4.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 11.7/12.2 1.4/ 1.9 0.9/ 1.4 1-2 Minor
19/01 AM 10.6/11.1 0.2/ 0.8 0.8/ 1.3 1 None
19/02 PM 11.4/11.9 1.1/ 1.6 0.7/ 1.1 1 None
20/02 AM 10.3/10.8 0.0/ 0.5 0.8/ 1.3 2 None
20/03 PM 11.1/11.6 0.8/ 1.3 0.7/ 1.1 2 None
Vineyard Haven
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
MHHW Categories - Minor 3.0 ft, Moderate 4.5 ft, Major 6.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/01 PM 2.6/ 3.1 0.6/ 1.1 0.2/ 0.8 1 None
19/02 AM 2.2/ 2.7 0.2/ 0.7 0.2/ 0.8 1 None
19/02 PM 2.5/ 3.0 0.5/ 1.0 0.2/ 0.8 1 None
20/02 AM 2.1/ 2.6 0.1/ 0.6 0.2/ 0.8 1 None
20/03 PM 2.3/ 2.8 0.4/ 0.9 0.2/ 0.8 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
-------- --------- --------- --------- ------- --------
18/02 PM 4.2/ 4.7 0.7/ 1.1 0.2/ 0.8 2 None
19/02 AM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.7 2 None
19/03 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 2 None
20/03 AM 3.5/ 4.0 -0.2/ 0.3 0.2/ 0.8 2 None
20/04 PM 4.2/ 4.7 0.6/ 1.1 0.2/ 0.7 2 None
&&
$$What forecasters said that day
The local office's own words before this coastal flood statement 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 coastal flood statement went out at Oct 17, 1:59 PM EDT, 2 hours 8 minutes earlier.
Area forecast discussion, Oct 17, 1:59 PM EDT, 2 hours 8 minutes before
Area Forecast Discussion
National Weather Service Boston/Norton MA
159 PM EDT Sat Oct 17 2020
.SYNOPSIS...
Low pressure east of Maine will continue lifting into the
Maritimes this afternoon. Skies will be mostly sunny but there
will be gusty northwest winds this afternoon. High pressure builds
over the region Saturday night into Sunday. This will bring dry,
cool and quiet weather. Dry and quiet weather for much of the
upcoming work week with near to above normal temperatures.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
145 PM update...
Sunny skies, gusty winds, and temperatures in the 50s.
Overall, not bad for an October afternoon. Winds should slowly
diminish toward evening as high pressure builds into the region
and as the mixed layer begins to decouple.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SUNDAY/...
Tonight...
High pressure builds overhead. Clear skies and light winds will
allow radiational cooling. with dew points 30-34F, expect min temps
in the interior will be in the 30s. Have issued a Frost Advisory for
much of our interior zones. Exceptions...season over due to frost
in Franklin, Hampshire, and Ern Hampden Co MA. Season over due to
climatology (Oct 15) in Northern Worcester Co.
Sunday...
High pressure moves to the Maritimes. Sunshine and light winds,
possibly a developing east wind on the Cape and Islands. Temps at
900 mb reach 4-6C, supporting max sfc temps of upper 50s and lower
60s.
&&
.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
* Mostly dry and quiet weather through the extended. Temperatures
near to above normal for this time of year.
* Isolated rain showers possible Tuesday and Wednesday across the
interior, but no washout anticipated. Frontal passage late in the
week could bring more widespread rain showers.
Sunday night through Monday...
As will be the case for much of the upcoming week, southern New
England will be caught between cyclonic flow across much of the
CONUS and a subtropical ridge over the east/southeast of the region.
A cold front will stall across the eastern Great Lakes, while high
pressure nudges in from New Brunswick.
With this synoptic setup in place will have south to south southwest
warm air advection. Will see 8 to 10 degree Celsius 925 hPa air move
in. Winds will be relatively light with the high nudging in, but
with the front stalling off to the west there will be some
cloudiness associated with it. This will keep from strong
radiational cooling. Low temperatures generally in the 40s across
southern New England.
Mix of sunshine and clouds on Monday with the frontal boundary still
stalled west of the region. More cloudiness across western portions
of the CWA. Temperatures top out in the low to mid 60s across the
region.
Tuesday through Wednesday...
Subtropical ridge remains in place southeast of the region on
Tuesday and Wednesday. Will see two shortwave troughs swing through
northwest of the region. The first lifts from the Upper Midwest into
central/northern Quebec on Tuesday. The next lifts from the Upper
Mississippi River Valley into southern Quebec on Wednesday.
In response to the first trough a low will develop and ride along
the stalled front and move across the eastern Great Lakes into
Quebec. This will act to move the front a bit further east, and
could bring western locations some isolated showers.
Fairly similar setup on Wednesday with the next shortwave lifting
through, and moving another system along the front. This may be
enough to slide the front through southern New England. There could
be some isolated shower activity across the interior. Have continued
to lean on the NBM guidance in this window.
The upward temperature trend continues due to southwesterly and
westerly warm air advection aloft. Highs will generally be in the
60s, but a few spots could see readings into the 70s on Wednesday.
Thursday and Friday...
Confidence lowers in the forecast significantly during this
timeframe due to model differences. Right now appears that Thursday
will be dry with high pressure building in. Uncertain on
temperatures at this point in time as the thermal profiles amongst
guidance differ. Regardless appears that the near to above normal
temperatures will continue per the NBM guidance.
A more potent trough lifts into the region on Friday from the
Northern Plains/Upper Mississippi River Valley. This may bring a
cold front into the region and bring a better shot for more
widespread precipitation. Appears that any precipitation would be
relatively light at this point in time.
&&
.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
Forecaster Confidence Levels...
Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.
This afternoon...High confidence.
VFR clear. NW winds gusting to 20-30 kt at times, especially in
eastern areas. Winds will diminish toward evening as both high
pressure moves eastward and the mixed layer begins to decouple.
Tonight...High confidence.
VFR with clear skies and light winds.
Sunday...High confidence.
VFR with light south-southeasterly winds.
KBOS Terminal...High confidence in TAF.
KBDL Terminal...High confidence in TAF.
Outlook /Sunday Night through Wednesday/...
Sunday Night through Monday: VFR.
Monday Night: VFR. Slight chance SHRA.
Tuesday: Mainly VFR, with local MVFR possible. Chance SHRA.
Tuesday Night: Mainly VFR, with local MVFR possible. Slight
chance SHRA.
Wednesday: Mainly VFR, with areas MVFR possible. Slight chance
SHRA.
&&
.MARINE...
145 PM update...
This afternoon...No changes to the current forecast. Continued
Small Craft Advisories nearshore and Gale Warnings over the
eastern outer waters, which will be converted to Small Craft
Advisories in a few hours. Winds diminish late in the day.
Rough seas, mostly on the outer waters, with heights 5 to 8
feet.
Tonight... Clear skies and light wind. Lingering 5 foot seas on
the eastern outer waters early, but seas subsiding overnight.
Lingering Small Crafts for the first part of the night due to
seas.
Sunday... Clear skies and developing east to southeast wind 10
kt or less. Seas less than 5 feet.
Outlook /Sunday Night through Wednesday/...
Sunday Night: Winds less than 25 kt.
Monday: Winds less than 25 kt. Seas locally approaching 5 ft.
Monday Night through Tuesday: Winds less than 25 kt. Areas of
seas approaching 5 ft.
Tuesday Night: Winds less than 25 kt. Areas of seas approaching
5 ft. Slight chance of rain showers.
Wednesday: Winds less than 25 kt. Seas up to 5 ft.
&&
.TIDES/COASTAL FLOODING...
145 PM update...
Had some splashover/minor inundation on parts of the north coast
of Cape Cod around high tide due to gusty NW winds, but not much
elsewhere.
Previous discussion...
High astro tides this weekend with Boston tides peaking just
over 12 ft Sunday afternoon and Monday. However with 1025+ mb
high pressure overhead and associated subsidence will limit
surge. Possible splashover at those high tides, but not
expecting much if any minor coastal flooding.
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...Frost Advisory from 2 AM to 9 AM EDT Sunday for CTZ002>004.
MA...Frost Advisory from 2 AM to 9 AM EDT Sunday for MAZ005-006-009-
012-013-017-018.
RI...Frost Advisory from 2 AM to 9 AM EDT Sunday for RIZ001-003.
MARINE...Gale Warning until 4 PM EDT this afternoon for ANZ231-232-250-
254-255.
Small Craft Advisory until 5 PM EDT this afternoon for ANZ230-
233>237-251-256.
&&
SYNOPSIS...WTB/BL/GAF
NEAR TERM...GAF
SHORT TERM...WTB
LONG TERM...BL
AVIATION...BL/GAF
MARINE...WTB/BL/GAF
TIDES/COASTAL FLOODING...GAF/STAFFHazardous weather outlook, Oct 17, 4:21 AM EDT, 11 hours 46 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 421 AM EDT Sat Oct 17 2020 MAZ002>004-007-008-010-011-014>016-019>021-026-RIZ002-004>008-180830- Western Franklin MA-Eastern Franklin MA-Northern Worcester MA- Eastern Essex MA-Western Hampshire MA-Eastern Hampshire MA- Eastern Hampden MA-Southeast Middlesex MA-Suffolk MA- Eastern Norfolk MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Northern Middlesex MA-Southeast Providence RI- Eastern Kent RI-Bristol RI-Washington RI-Newport RI-Block Island RI- 421 AM EDT Sat Oct 17 2020 This Hazardous Weather Outlook is for central Massachusetts, eastern Massachusetts, northeastern Massachusetts, southeastern Massachusetts, western Massachusetts, northern Rhode Island and southern Rhode Island. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. CTZ002>004-MAZ005-006-009-012-013-017-018-RIZ001-003-180830- Hartford CT-Tolland CT-Windham CT-Central Middlesex MA- Western Essex MA-Western Hampden MA-Southern Worcester MA- Western Norfolk MA-Northern Bristol MA-Western Plymouth MA- Northwest Providence RI-Western Kent RI- 421 AM EDT Sat Oct 17 2020 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY... This Hazardous Weather Outlook is for northern Connecticut, central Massachusetts, eastern Massachusetts, northeastern Massachusetts, southeastern Massachusetts, western Massachusetts and northern Rhode Island. .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. Frost 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. Frost Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ230-233>237-251-256-180830- Boston Harbor-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- 421 AM EDT Sat Oct 17 2020 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...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ231-232-250-254-255-180830- Cape Cod Bay-Nantucket Sound- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 421 AM EDT Sat Oct 17 2020 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... 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. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MAZ022>024-180830- Barnstable MA-Dukes MA-Nantucket MA- 421 AM EDT Sat Oct 17 2020 This Hazardous Weather Outlook is for southeastern Massachusetts. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For more information on upcoming hazardous weather, please see the Area Forecast Discussion on our webpage for the latest forecast thinking. There is also our Enhanced Hazardous Weather Outlook at www.weather.gov/box/ehwo For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
In the hours before
Local storm report, Oct 17, 11:21 AM EDT, 4 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1121 AM EDT SAT OCT 17 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0215 PM NON-TSTM WND DMG FALMOUTH 41.55N 70.61W
10/07/2020 BARNSTABLE MA AMATEUR RADIO
GIFFORD STREET & AMVETS AVE - LARGE TREE DOWN BLOCKING
3/4TH OF THE ROADWAY.
0215 PM NON-TSTM WND DMG SCITUATE 41.80N 71.62W
10/07/2020 PROVIDENCE RI BROADCAST MEDIA
TREE LANDS ON AN OCCUPIED CAR OUTSIDE OF SCITUATE
MIDDLE/HIGH SCHOOL. DRIVER REPORTED BY LOCAL MEDIA AS
THANKFULLY, IS OK.
0429 PM TSTM WND DMG ROWE 42.70N 72.90W
10/07/2020 FRANKLIN MA AMATEUR RADIO
MULTIPLE 3-4 INCH BRANCHES DOWN WITH POWER OUTAGES -
ALSO MULTIPLE SMALL TREES DOWN ON FORD HILL ROAD.
0442 PM TSTM WND DMG WORTHINGTON 42.42N 72.93W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
TREE AND WIRES DOWN NEAR 19 SAWTER ROAD.
0442 PM TSTM WND DMG WORTHINGTON 42.42N 72.93W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
THAYER HILL ROAD - TREE DOWN ON WIRES
0442 PM TSTM WND DMG WORTHINGTON 42.42N 72.93W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
24 OLD MAIN ROAD - TREE AND WIRES DOWN
0445 PM TSTM WND DMG COLRAIN 42.67N 72.68W
10/07/2020 FRANKLIN MA AMATEUR RADIO
MULTIPLE TREES, UTILITY POLES, AND WIRES DOWN ON
ADAMSVILLE ROAD AND FOUNDRY
0447 PM TSTM WND DMG PLAINFIELD 42.52N 72.92W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
TREE DOWN ON ROUTE 116
0448 PM TSTM WND DMG CONWAY 42.52N 72.68W
10/07/2020 FRANKLIN MA AMATEUR RADIO
BAPTIST HILL ROAD - TREE DOWN
0448 PM TSTM WND DMG BERNARDSTON 42.67N 72.55W
10/07/2020 FRANKLIN MA AMATEUR RADIO
INTERSTATE 91 SOUTHBOUND EXIT 28 OFF RAMP - TREE
BLOCKING RAMP
0449 PM TSTM WND DMG ASHFIELD 42.53N 72.78W
10/07/2020 FRANKLIN MA AMATEUR RADIO
HAWLEY ROAD - TREES DOWN
0452 PM TSTM WND DMG WORTHINGTON 42.42N 72.93W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
SUMMIT STREET AT WEST STREET - TREE AND WIRES DOWN
0453 PM TSTM WND DMG GREENFIELD 42.59N 72.60W
10/07/2020 FRANKLIN MA AMATEUR RADIO
INTERSTATE 91 SOUTHBOUND - TREE DOWN ON CAR - NO
INJURIES
0454 PM TSTM WND DMG NORTHAMPTON 42.33N 72.68W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
392 CHESTERFIELD ROAD - TREE DOWN BLOCKING ROAD IN THE
LEEDS SECTION OF NORTHAMPTON
0458 PM TSTM WND DMG WHATELY 42.45N 72.62W
10/07/2020 FRANKLIN MA AMATEUR RADIO
MULTIPLE TREES DOWN ON I-91 IN WHATELY AND DEERFIELD -
ROADWAY IS BLOCKED
0500 PM TSTM WND DMG AGAWAM 42.07N 72.62W
10/07/2020 HAMPDEN MA AMATEUR RADIO
PINE AND BARRY STREET - TREE DOWN
0500 PM TSTM WND DMG AGAWAM 42.07N 72.62W
10/07/2020 HAMPDEN MA AMATEUR RADIO
TREE DOWN ON THREE CARS ON PINE STREET
0500 PM TSTM WND DMG EASTHAMPTON 42.27N 72.68W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
LARGE TREE BLOCKING ROUTE 10 ABOUT 1/2 MILE NORTH OF
UNION ST
0502 PM TSTM WND GST MT. TOM 42.25N 72.65W
10/07/2020 M88 MPH HAMPSHIRE MA MESONET
OBSERVATION FROM A MESONET SITE.
0503 PM TSTM WND DMG HUNTINGTON 42.23N 72.88W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
ROUTE 112 - TREE DOWN
0503 PM TSTM WND DMG EASTHAMPTON 42.27N 72.68W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
TREE DOWN ON CAR AT 47 FLORENCE ROAD
0505 PM TSTM WND DMG EASTHAMPTON 42.27N 72.68W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
POWERLINE DOWN ON CAR ON LYMAN ST
0509 PM TSTM WND DMG AMHERST 42.38N 72.52W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
PLEASANT STREET - TREE AND WIRES DOWN
0510 PM TSTM WND DMG AMHERST 42.38N 72.52W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
NORTHAMPTON ROAD JUST EAST OF DANA - TREE DOWN BLOCKING
ROAD
0511 PM HAIL WESTHAMPTON 42.30N 72.77W
10/07/2020 M0.75 INCH HAMPSHIRE MA AMATEUR RADIO
EASTHAMPTON RD
0511 PM TSTM WND GST WESTOVER AFB 42.20N 72.53W
10/07/2020 M63 MPH HAMPDEN MA AWOS
0513 PM TSTM WND GST WESTFIELD-BARNES AP 42.17N 72.72W
10/07/2020 M74 MPH HAMPDEN MA ASOS
0515 PM TSTM WND DMG EASTHAMPTON 42.27N 72.68W
10/07/2020 HAMPSHIRE MA AMATEUR RADIO
NUMEROUS TREES DOWN ON ROUTE 141
0515 PM TSTM WND DMG 2 E SPRINGFIELD 42.11N 72.51W
10/07/2020 HAMPDEN MA TRAINED SPOTTER
TREE AND WIRES DOWN ON BIRCHLAND AVE. TREE SPLIT AND
LANDED ON HOUSE ON JEFFERY ROAD.
0521 PM TSTM WND DMG HARDWICK 42.35N 72.20W
10/07/2020 WORCESTER MA AMATEUR RADIO
RIVER RUN ROAD - TREE DOWN ACROSS ROAD WITH WIRES DOWN
0524 PM TSTM WND DMG SPRINGFIELD 42.12N 72.54W
10/07/2020 HAMPDEN MA AMATEUR RADIO
LIBERTY ST - TREE DOWN
0524 PM TSTM WND GST FITCHBURG AP 42.55N 71.75W
10/07/2020 M60 MPH WORCESTER MA ASOS
0526 PM TSTM WND DMG AGAWAM 42.07N 72.62W
10/07/2020 HAMPDEN MA AMATEUR RADIO
REPORTS OF NUMEROUS TREES DOWN ACROSS AGAWAM
0527 PM TSTM WND GST WORCESTER AP 42.27N 71.87W
10/07/2020 M70 MPH WORCESTER MA ASOS
0527 PM TSTM WND DMG AYER 42.56N 71.59W
10/07/2020 MIDDLESEX MA FIRE DEPT/RESCUE
*** 5 INJ *** DEVENS FIRE CHIEF REPORTED 5 INJURIES
FROM FT. DEVENS WHEN A MILITARY-GRADE TENT WAS BLOWN
OVER BY THUNDERSTORM WINDS. THE 5 INJURED WERE TAKEN TO
THE HOSPITAL AND TREATED FOR MINOR INJURIES. THEY HAVE
SINCE BEEN RELEASED.
0530 PM TSTM WND DMG 1 SE SOUTHWICK 42.04N 72.75W
10/07/2020 HAMPDEN MA AMATEUR RADIO
MULTIPLE REPORTS OF TREES DOWN; ED HOLCOMB RD, HILLSIDE
RD RANCH GOLF CLUB, JERRY DRIVE, MILLER RD, HILLSIDE RD
WIRES DOWN, SOUTHWICK ACRES CAMPGROUND
0530 PM TSTM WND DMG WORCESTER 42.27N 71.81W
10/07/2020 WORCESTER MA AMATEUR RADIO
TREE LIMBS DOWN ACROSS THE CITY; BEECHMONT ST [LIMB ON
HOUSE], BRANTWOOD RD, PLEASANT ST [LIMB ON HOUSE],
DAYTON ST, MAIN ST, VARNUM ST, JUNE ST, MAXWELL ST,
HOLLY ST...
0530 PM TSTM WND DMG ENFIELD 41.97N 72.57W
10/07/2020 HARTFORD CT AMATEUR RADIO
MULTIPLE TREES DOWN IN MULTIPLE LOCATIONS IN TOWN
0530 PM TSTM WND DMG SOMERS 41.98N 72.45W
10/07/2020 TOLLAND CT AMATEUR RADIO
MULTIPLE TREES DOWN IN MULTIPLE LOCATIONS IN TOWN
0535 PM TSTM WND DMG EAST LONGMEADOW 42.07N 72.52W
10/07/2020 HAMPDEN MA PUBLIC
TREE ON GARAGE/TRUCK AT WESTERNVIEW CIRCLE.
0537 PM TSTM WND GST HUDSON 42.39N 71.56W
10/07/2020 M60 MPH MIDDLESEX MA AMATEUR RADIO
0539 PM TSTM WND GST BRADLEY AP 41.94N 72.68W
10/07/2020 M64 MPH HARTFORD CT ASOS
0540 PM TSTM WND DMG LUDLOW 42.17N 72.48W
10/07/2020 HAMPDEN MA AMATEUR RADIO
TREES DOWN ON COLONIAL ST - ROAD BLOCKED
0540 PM TSTM WND DMG BOYLSTON 42.35N 71.73W
10/07/2020 WORCESTER MA PUBLIC
TREES SNAPPED ON GREEN ST
0540 PM TSTM WND DMG STERLING 42.43N 71.75W
10/07/2020 WORCESTER MA AMATEUR RADIO
MULTIPLE TREES/WIRES DOWN WITH ROAD CLOSURES ON TUTTLE,
KILBURN, & NORTH ROW ROAD
0545 PM TSTM WND DMG 1 SE FITCHBURG 42.58N 71.80W
10/07/2020 WORCESTER MA TRAINED SPOTTER
TREE AND WIRES DOWN ON ASH ST. LARGE BRANCH ONE FOOT IN
DIAMETER DOWN ON MILK ST WITH WIRES DOWN.
0545 PM TSTM WND DMG WESTMINSTER 42.55N 71.90W
10/07/2020 WORCESTER MA PUBLIC
MULTIPLE TREES DOWN AT 196 WORCESTER ROAD
0545 PM TSTM WND DMG OXFORD 42.12N 71.87W
10/07/2020 WORCESTER MA AMATEUR RADIO
MULTIPLE TREES AND WIRES DOWN ACROSS TOWN
0545 PM TSTM WND DMG WEBSTER 42.05N 71.87W
10/07/2020 WORCESTER MA AMATEUR RADIO
TREE DOWN ON HOUSE; ON ANTHONY ST, ON THIRD ST, AND
TREE BLOCKING LOVELAND ST
0545 PM TSTM WND DMG GRAFTON 42.20N 71.68W
10/07/2020 WORCESTER MA AMATEUR RADIO
NORTH GRAFTON, TREE DOWN AT FRANCES/JAY ST.
0545 PM TSTM WND DMG 2 N WALPOLE 42.17N 71.24W
10/07/2020 NORFOLK MA PUBLIC
TEACHER FROM NORFOLK COUNTY AGRICULTURAL HIGH SCHOOL IN
WALPOLE REPORTED THAT NEARLY 100 TREE WENT DOWN WITH THE
STORM LAST NIGHT AROUND 5:45 PM.
0546 PM TSTM WND DMG LANCASTER 42.45N 71.67W
10/07/2020 WORCESTER MA PUBLIC
SMALL TREE DOWN ON BROCKELMAN RD
0550 PM TSTM WND DMG WOODSTOCK 41.95N 71.98W
10/07/2020 WINDHAM CT BROADCAST MEDIA
TREE/WIRES DOWN - BLOCKING RT 169
0550 PM TSTM WND DMG NORTHBRIDGE 42.15N 71.65W
10/07/2020 WORCESTER MA AMATEUR RADIO
TREE DOWN BLOCKING SCHOOL ST
0550 PM TORNADO MILLIS 42.17N 71.36W
10/07/2020 NORFOLK MA NWS STORM SURVEY
NWS SURVEY FOUND EF-0 TORNADO IN MILLIS, MA ON GROUND
FOR LESS THAN 1 MINUTE, WITH PATH LENGTH OF 1/2 MILE,
WIDTH 50 YARDS, AND MAXIMUM SPEED OF 75-80 MPH. BEGAN ON
ORCHARD ST. WEST OF RIDGE ST. AND MOVED ESE TO OAK GROVE
PLAYGROUND ON EXCHANGE ST. TOPS OF LARGE TREES SHEARED
OFF AND EVIDENCE OF ROTATION.
0551 PM HAIL RUTLAND 42.36N 71.95W
10/07/2020 M0.75 INCH WORCESTER MA PUBLIC
0553 PM TSTM WND GST MENDON 42.09N 71.57W
10/07/2020 M58 MPH WORCESTER MA MESONET
0555 PM TSTM WND DMG LEOMINSTER 42.52N 71.77W
10/07/2020 WORCESTER MA AMATEUR RADIO
TREE DOWN ON MOUNTAIN VIEW ROAD
0555 PM TSTM WND DMG MEDFIELD 42.19N 71.30W
10/07/2020 NORFOLK MA BROADCAST MEDIA
MULTIPLE TREES DOWN AROUND SOUTH STREET
0600 PM TSTM WND DMG CONCORD 42.45N 71.35W
10/07/2020 MIDDLESEX MA PUBLIC
TREE UPROOTED AND TREE SPLIT IN HALF ON WRIGHT RD IN
WEST CONCORD. TELEPHONE POLE DOWN AT LAWSBROOK RD
0600 PM TSTM WND DMG NEEDHAM 42.28N 71.24W
10/07/2020 NORFOLK MA PUBLIC
MULTIPLE TREES DOWN ON LAUREL DR
0600 PM TSTM WND GST LOGAN AP 42.36N 71.01W
10/07/2020 M66 MPH SUFFOLK MA ASOS
0601 PM TSTM WND GST WRENTHAM 42.04N 71.41W
10/07/2020 M58 MPH NORFOLK MA MESONET
0601 PM TSTM WND GST NORWOOD AP 42.18N 71.17W
10/07/2020 M58 MPH NORFOLK MA ASOS
0602 PM TSTM WND GST BLUE HILL ASOS 42.21N 71.11W
10/07/2020 M68 MPH NORFOLK MA ASOS
0604 PM TSTM WND DMG BURRILLVILLE 41.95N 71.72W
10/07/2020 PROVIDENCE RI PUBLIC
TREE DOWN ON TWO CARS, NO INJURIES. CARS HEAVILY
DAMAGED.
0605 PM TSTM WND DMG WALPOLE 42.14N 71.24W
10/07/2020 NORFOLK MA BROADCAST MEDIA
MULTIPLE TREES DOWN, SNAPPED, OR UPROOTED FROM MILL
BROOK DRIVE TO PINE BROOK DRIVE. FOUR TREES WERE DOWNED
ON HOUSES.
0605 PM TSTM WND GST BRAINTREE 42.20N 71.00W
10/07/2020 M64 MPH NORFOLK MA PUBLIC
RESIDENT FROM BRAINTREE REPORTED A 64 MPH WIND GUST
WITH THEIR ANEMOMETER AT ABOUT 0605 PM ON 10/7. DAMAGE
IN THE IMMEDIATE AREA WAS MOSTLY DOWNED TREE LIMBS.
0607 PM TSTM WND GST CUMBERLAND 41.97N 71.46W
10/07/2020 M61 MPH PROVIDENCE RI AMATEUR RADIO
0612 PM TSTM WND DMG AGAWAM 42.07N 72.62W
10/07/2020 HAMPDEN MA TRAINED SPOTTER
TREES DOWN IN THE FEEDINGHILLS SECTION
0612 PM TSTM WND GST HINGHAM 42.24N 70.89W
10/07/2020 M65 MPH PLYMOUTH MA AMATEUR RADIO
0614 PM TSTM WND DMG LINCOLN 41.92N 71.47W
10/07/2020 PROVIDENCE RI BROADCAST MEDIA
TREE UPROOTED IN THE MANVILLE SECTION OF LINCOLN
0617 PM TSTM WND DMG CAMBRIDGE 42.38N 71.12W
10/07/2020 MIDDLESEX MA PUBLIC
TREE DOWN AT CAMBRIDGE TERRACE
0619 PM TSTM WND DMG QUINCY 42.26N 71.01W
10/07/2020 NORFOLK MA TRAINED SPOTTER
PROSPECT ST - LARGE 10 INCH DIAMETER BRANCH BLOCKING
TRAFFIC. TOP HALF OF TREE DOWN ON MARION ST
0624 PM TSTM WND GST 1 SE PROVIDENCE 41.81N 71.40W
10/07/2020 M61 MPH PROVIDENCE RI HADS
0631 PM TSTM WND DMG FOXBOROUGH 42.07N 71.25W
10/07/2020 NORFOLK MA AMATEUR RADIO
MULTIPLE TREES DOWN ON SOUTH STREET BETWEEN FOXBOROUGH
HIGH SCHOOL AND TAYLOR SCHOOL SOUTH. STREET CLOSED
0632 PM TSTM WND DMG TAUNTON 41.90N 71.09W
10/07/2020 BRISTOL MA AMATEUR RADIO
REDWOOD DR - TREE DOWN ON WIRES - WIRES SMOKING
0633 PM TSTM WND GST PLYMOUTH AP 41.92N 70.73W
10/07/2020 M60 MPH PLYMOUTH MA ASOS
0645 PM TSTM WND GST 9 WNW TRURO 42.07N 70.22W
10/07/2020 M63 MPH BARNSTABLE MA UNKNOWN
0652 PM TSTM WND GST 2 SE NEW BEDFORD 41.64N 70.90W
10/07/2020 M60 MPH BRISTOL MA AMATEUR RADIO
WEST ISLAND
0713 PM TSTM WND GST DENNIS 41.74N 70.22W
10/07/2020 M64 MPH BARNSTABLE MA MESONET
0741 PM TSTM WND GST NANTUCKET AP 41.25N 70.07W
10/07/2020 M60 MPH NANTUCKET MA ASOS
&&
EVENT NUMBER BOX2002100 BOX2002101 BOX2002102 BOX2002103 BOX2002104
BOX2002108 BOX2002116 BOX2002105 BOX2002106 BOX2002107 BOX2002109
BOX2002110 BOX2002112 BOX2002111 BOX2002113 BOX2002115 BOX2002118
BOX2002119 BOX2002181 BOX2002114 BOX2002120 BOX2002121 BOX2002117
BOX2002122 BOX2002128 BOX2002172 BOX2002171 BOX2002123 BOX2002131
BOX2002125 BOX2002124 BOX2002170 BOX2002126 BOX2002169 BOX2002180
BOX2002129 BOX2002143 BOX2002157 BOX2002158 BOX2002141 BOX2002176
BOX2002168 BOX2002135 BOX2002148 BOX2002156 BOX2002127 BOX2002132
BOX2002153 BOX2002154 BOX2002155 BOX2002178 BOX2002130 BOX2002146
BOX2002152 BOX2002182 BOX2002145 BOX2002167 BOX2002136 BOX2002147
BOX2002142 BOX2002149 BOX2002166 BOX2002164 BOX2002165 BOX2002163
BOX2002151 BOX2002177 BOX2002179 BOX2002175 BOX2002134 BOX2002174
BOX2002137 BOX2002133 BOX2002138 BOX2002162 BOX2002139 BOX2002140
BOX2002160 BOX2002150 BOX2002173 BOX2002161 BOX2002159
FIELDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 3:36 AM EDT | Gale Warning | BOX | 12 hr | |
| Oct 17, 3:37 AM EDT | Frost Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Hampden, Middlesex and 3 more | 29 hr |
Nearby
Coastal Flood Statements in Massachusetts, 2020Every coastal flood statement in 2020
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.