Alert archive / Massachusetts / River Flood Warnings in 2021

River Flood Warning 8, NWS Boston/Norton, MA

July 12, 2021Middlesex County, Norfolk County, Suffolk County, Massachusetts

NWS Boston/Norton, MA issued this river flood warning at Jul 12, 2021, 8:09 AM EDT for Middlesex County, Norfolk County, Suffolk County, Massachusetts. It was in force for 21 days.

The area

The outline as issued.

The facts

Issued
Jul 12, 2021, 8:09 AM EDT (12:09 UTC)
Expired
Aug 2, 2021, 8:09 AM EDT
In force
21 days
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Flood severity
Minor

Counties Middlesex County, MA, Norfolk County, MA, Suffolk County, MA

The radar

The Boston radar (KBOX), 31 km from the middle of the area, began a volume at 12:12 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 river

Written for the forecast point Charles River at Dover (DOVM3). The gauge peaked at 5.66 ft at Jul 14, 2021, 12:00 AM EDT.

actionminormoderatemajor0246807/1207/1307/1407/1507/1607/1707/1807/1907/2007/2107/2207/2307/2407/2507/2607/2707/2807/2907/3007/3108/0108/0208/03
Action stage
4.5 ft
Minor stage
5 ft
Moderate stage
7 ft
Major stage
8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01103500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

619 
WGUS41 KBOX 121209
FLWBOX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Boston/Norton MA
809 AM EDT Mon Jul 12 2021

...The National Weather Service in Boston/Norton MA has issued a 
Flood Warning for the following rivers in Massachusetts...

  Charles River At Dover affecting Norfolk, Middlesex and Suffolk 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 815 PM EDT.

&&


MAC017-021-025-130015-
/O.NEW.KBOX.FL.W.0008.210712T1209Z-000000T0000Z/
/DOVM3.1.ER.210712T1130Z.210712T1800Z.210714T0000Z.NO/
809 AM EDT Mon Jul 12 2021

The National Weather Service in Norton has issued a

* Flood Warning for
  the Charles River At Dover.
* From this morning until further notice.
* At 7:45 AM EDT Monday the stage was 5.0 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 7:45 AM EDT Monday was 5.0 feet.
* Forecast...The river is expected to rise to a crest of 5.2 feet 
  this afternoon. It will then fall below flood stage tomorrow 
  evening.
* Impact...At 5.0 feet, People living along the Charles River should 
  prepare for flooding of low lying areas along the river. 
  Susceptible locations include low lying areas along Fisher Street 
  in Needham and a small area on the South Natick and Wellesley line 
  along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$
12 follow-up statements
451 
WGUS81 KBOX 122345
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
745 PM EDT Mon Jul 12 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued Tuesday morning at 745 AM EDT.

&&


MAC017-021-131145-
/O.CON.KBOX.FL.W.0008.000000T0000Z-000000T0000Z/
/DOVM3.1.ER.210712T1130Z.210712T2245Z.210714T0600Z.NO/
745 PM EDT Mon Jul 12 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Charles River At Dover.
* Until further notice.
* At 6:45 PM EDT Monday the stage was 5.5 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 6:45 PM EDT Monday was 5.5 feet.
* Forecast...The river is expected to fall below flood stage early 
  Wednesday morning and continue falling to 4.6 feet early Thursday 
  afternoon.
* Impact...At 5.0 feet, People living along the Charles River should 
  prepare for flooding of low lying areas along the river. 
  Susceptible locations include low lying areas along Fisher Street 
  in Needham and a small area on the South Natick and Wellesley line 
  along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

Chai
200 
WGUS81 KBOX 130751
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
351 AM EDT Tue Jul 13 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon by 400 PM EDT.

&&


MAC017-021-132000-
/O.EXT.KBOX.FL.W.0008.000000T0000Z-210714T1200Z/
/DOVM3.1.ER.210712T1130Z.210713T0645Z.210714T0600Z.NO/
351 AM EDT Tue Jul 13 2021

...The Flood Warning is now in effect until tomorrow morning...

The Flood Warning continues for
  the Charles River At Dover.
* Until tomorrow morning.
* At 2:45 AM EDT Tuesday the stage was 5.5 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 2:45 AM EDT Tuesday was 5.5 feet.
* Forecast...The river is expected to fall below flood stage just 
  after midnight tonight and continue falling to 4.6 feet early 
  Thursday afternoon.
* Impact...At 6.0 feet, Flooding will affect a few homes in Needham 
  along Fisher Street, as well as a portion of Route 109 at the 
  Medfield and Millis town line. Some flooding is also likely on the 
  South Natick and Wellesley town line along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

MB
146 
WGUS81 KBOX 131539
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1139 AM EDT Tue Jul 13 2021

...The Flood Warning is extended for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 200 AM EDT.

&&


MAC017-021-140600-
/O.EXT.KBOX.FL.W.0008.000000T0000Z-210715T1800Z/
/DOVM3.1.ER.210712T1130Z.210713T1445Z.210715T1200Z.NO/
1139 AM EDT Tue Jul 13 2021

...The Flood Warning is now in effect until early Thursday 
afternoon...

The Flood Warning continues for
  the Charles River At Dover.
* Until early Thursday afternoon.
* At 10:45 AM EDT Tuesday the stage was 5.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:45 AM EDT Tuesday was 5.6 feet.
* Forecast...The river is expected to fall below flood stage 
  Thursday morning and continue falling to 4.6 feet Friday morning.
* Impact...At 6.0 feet, Flooding will affect a few homes in Needham 
  along Fisher Street, as well as a portion of Route 109 at the 
  Medfield and Millis town line. Some flooding is also likely on the 
  South Natick and Wellesley town line along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

NB
953 
WGUS81 KBOX 140221
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1021 PM EDT Tue Jul 13 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued Wednesday afternoon at 1200 PM EDT.

&&


MAC017-021-141615-
/O.CON.KBOX.FL.W.0008.000000T0000Z-210715T1800Z/
/DOVM3.1.ER.210712T1130Z.210714T0145Z.000000T0000Z.NO/
1021 PM EDT Tue Jul 13 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Charles River At Dover.
* Until early Thursday afternoon.
* At 9:45 PM EDT Tuesday the stage was 5.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:45 PM EDT Tuesday was 5.6 feet.
* Forecast...The river is expected to fall to 5.1 feet Friday 
  evening.
* Impact...At 6.0 feet, Flooding will affect a few homes in Needham 
  along Fisher Street, as well as a portion of Route 109 at the 
  Medfield and Millis town line. Some flooding is also likely on the 
  South Natick and Wellesley town line along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

AL
840 
WGUS81 KBOX 140807
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
407 AM EDT Wed Jul 14 2021

...The Flood Warning is extended for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 415 PM EDT.

&&


MAC017-021-142015-
/O.EXT.KBOX.FL.W.0008.000000T0000Z-000000T0000Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.000000T0000Z.NO/
407 AM EDT Wed Jul 14 2021

...The Flood Warning is now in effect until further notice...

The Flood Warning continues for
  the Charles River At Dover.
* Until further notice.
* At 3:45 AM EDT Wednesday the stage was 5.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 3:45 AM EDT Wednesday was 5.6 feet.
* Forecast...The river is expected to fall to 5.1 feet Friday 
  evening.
* Impact...At 6.0 feet, Flooding will affect a few homes in Needham 
  along Fisher Street, as well as a portion of Route 109 at the 
  Medfield and Millis town line. Some flooding is also likely on the 
  South Natick and Wellesley town line along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

Belk
363 
WGUS81 KBOX 141513
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1113 AM EDT Wed Jul 14 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 200 AM EDT.

&&


MAC017-021-150600-
/O.EXT.KBOX.FL.W.0008.000000T0000Z-210717T1200Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.210717T0600Z.NO/
1113 AM EDT Wed Jul 14 2021

...The Flood Warning is now in effect until Saturday morning...

The Flood Warning continues for
  the Charles River At Dover.
* Until Saturday morning.
* At 10:45 AM EDT Wednesday the stage was 5.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:45 AM EDT Wednesday was 5.6 feet.
* Forecast...The river is expected to fall below flood stage early 
  Saturday morning and continue falling to 4.9 feet Saturday morning.
* Impact...At 6.0 feet, Flooding will affect a few homes in Needham 
  along Fisher Street, as well as a portion of Route 109 at the 
  Medfield and Millis town line. Some flooding is also likely on the 
  South Natick and Wellesley town line along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

AED
222 
WGUS81 KBOX 150529
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
129 AM EDT Thu Jul 15 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by 130 PM EDT this afternoon.

&&


MAC017-021-151730-
/O.CON.KBOX.FL.W.0008.000000T0000Z-210717T1200Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.210717T0600Z.NO/
129 AM EDT Thu Jul 15 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Charles River At Dover.
* Until Saturday morning.
* At 12:45 AM EDT Thursday the stage was 5.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 12:45 AM EDT Thursday was 5.6 feet.
* Forecast...The river is expected to fall below flood stage early 
  Saturday morning and continue falling to 4.9 feet Saturday morning.
* Impact...At 6.0 feet, Flooding will affect a few homes in Needham 
  along Fisher Street, as well as a portion of Route 109 at the 
  Medfield and Millis town line. Some flooding is also likely on the 
  South Natick and Wellesley town line along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

Belk
256 
WGUS81 KBOX 151509
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1109 AM EDT Thu Jul 15 2021

...The Flood Warning is extended for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 100 AM EDT.

&&


MAC017-021-160500-
/O.EXT.KBOX.FL.W.0008.000000T0000Z-210718T0000Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.210717T1800Z.NO/
1109 AM EDT Thu Jul 15 2021

...The Flood Warning is now in effect until Saturday evening...

The Flood Warning continues for
  the Charles River At Dover.
* Until Saturday evening.
* At 10:45 AM EDT Thursday the stage was 5.5 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:45 AM EDT Thursday was 5.6 feet.
* Forecast...The river is expected to fall below flood stage early 
  Saturday afternoon and continue falling to 4.7 feet Sunday morning.
* Impact...At 6.0 feet, Flooding will affect a few homes in Needham 
  along Fisher Street, as well as a portion of Route 109 at the 
  Medfield and Millis town line. Some flooding is also likely on the 
  South Natick and Wellesley town line along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

AED
266 
WGUS81 KBOX 161219
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
819 AM EDT Fri Jul 16 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 830 PM EDT.

&&


MAC017-021-170030-
/O.CON.KBOX.FL.W.0008.000000T0000Z-210718T0000Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.210717T1800Z.NO/
819 AM EDT Fri Jul 16 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Charles River At Dover.
* Until tomorrow evening.
* At 7:45 AM EDT Friday the stage was 5.3 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 7:45 AM EDT Friday was 5.6 feet.
* Forecast...The river is expected to rise to a crest of 5.3 feet 
  this afternoon. It will then fall below flood stage early tomorrow 
  afternoon.
* Impact...At 5.0 feet, People living along the Charles River should 
  prepare for flooding of low lying areas along the river. 
  Susceptible locations include low lying areas along Fisher Street 
  in Needham and a small area on the South Natick and Wellesley line 
  along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$
748 
WGUS81 KBOX 161759
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
159 PM EDT Fri Jul 16 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 200 AM EDT.

&&


MAC017-021-170600-
/O.EXT.KBOX.FL.W.0008.000000T0000Z-210717T1800Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.210717T1200Z.NO/
159 PM EDT Fri Jul 16 2021

...The Flood Warning is now in effect until early tomorrow 
afternoon...

The Flood Warning continues for
  the Charles River At Dover.
* Until early tomorrow afternoon.
* At 12:45 PM EDT Friday the stage was 5.2 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 12:45 PM EDT Friday was 5.5 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow morning and continue falling to 4.6 feet Monday morning.
* Impact...At 5.0 feet, People living along the Charles River should 
  prepare for flooding of low lying areas along the river. 
  Susceptible locations include low lying areas along Fisher Street 
  in Needham and a small area on the South Natick and Wellesley line 
  along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

TG
342 
WGUS81 KBOX 170254
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1054 PM EDT Fri Jul 16 2021

...The Flood Warning continues for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued Saturday morning by 1100 AM EDT.

&&


MAC017-021-171500-
/O.CON.KBOX.FL.W.0008.000000T0000Z-210717T1800Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.210717T1200Z.NO/
1054 PM EDT Fri Jul 16 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Charles River At Dover.
* Until early tomorrow afternoon.
* At 9:46 PM EDT Friday the stage was 5.1 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:46 PM EDT Friday was 5.4 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow morning and continue falling to 4.2 feet Monday evening.
* Impact...At 5.0 feet, People living along the Charles River should 
  prepare for flooding of low lying areas along the river. 
  Susceptible locations include low lying areas along Fisher Street 
  in Needham and a small area on the South Natick and Wellesley line 
  along River Street.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

Belk
394 
WGUS81 KBOX 171335
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
935 AM EDT Sat Jul 17 2021

...The Flood Warning is cancelled for the following rivers in 
Massachusetts...

  Charles River At Dover affecting Norfolk and Middlesex Counties.

MAC017-021-171445-
/O.CAN.KBOX.FL.W.0008.000000T0000Z-210717T1335Z/
/DOVM3.1.ER.210712T1130Z.210714T0745Z.210717T0815Z.NO/
935 AM EDT Sat Jul 17 2021

...The Flood Warning for the Charles River At Dover has been 
cancelled...

The Flood Warning is cancelled for
  the Charles River At Dover.
* At 8:45 AM EDT Saturday the stage was 4.9 feet.
* Flood stage is 5.0 feet.
* Forecast...The river is expected to fall to 4.2 feet Monday 
  evening.


&&

LAT...LON 4210 7138 4216 7145 4235 7126 4226 7116

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 11:48 AM EDTRiver Flood WarningBOXEssex3 hr

Nearby

River Flood Warnings in Massachusetts, 2021Every river flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.