Alert archive / Massachusetts / River Flood Warnings in 2021

River Flood Warning 16, NWS Boston/Norton, MA

September 2, 2021Norfolk County, Suffolk County, Massachusetts

NWS Boston/Norton, MA issued this river flood warning at Sep 2, 2021, 3:42 AM EDT for Norfolk County, Suffolk County, Massachusetts. It took effect at Sep 2, 2021, 4:30 AM EDT. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Sep 2, 2021, 3:42 AM EDT (07:42 UTC)
In effect from
Sep 2, 2021, 4:30 AM EDT
Expired
Sep 2, 2021, 2:24 PM EDT
In force
10 hr
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Flood severity
Minor

Counties Norfolk County, MA, Suffolk County, MA

The radar

The Boston radar (KBOX), 25 km from the middle of the area, began a volume at 07:42 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 Neponset River at Norwood (NRWM3). The gauge peaked at 8.91 ft at Sep 2, 2021, 5:00 AM EDT.

actionminormoderatemajor681009/0209/03
Action stage
8 ft
Minor stage
9 ft
Moderate stage
10 ft
Major stage
11 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01105000, 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.

550 
WGUS41 KBOX 020742
FLWBOX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Boston/Norton MA
342 AM EDT Thu Sep 2 2021

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

  Neponset River At Norwood affecting Norfolk and Suffolk Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 230 PM EDT.

&&


MAC021-025-021830-
/O.NEW.KBOX.FL.W.0016.210902T0830Z-210902T1824Z/
/NRWM3.1.ER.210902T1132Z.210902T1200Z.210902T1224Z.NO/
342 AM EDT Thu Sep 2 2021

The National Weather Service in Norton has issued a

* Flood Warning for
  the Neponset River At Norwood.
* Until this afternoon.
* At 3:00 AM EDT Thursday the stage was 8.0 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  morning to a crest of 9.1 feet this morning. It will then fall 
  below flood stage this morning.
* Impact...At 9.0 feet, Minor lowland flooding occurs along the 
  Neponset River in Norwood.


&&

LAT...LON 4212 7122 4214 7127 4228 7115 4224 7109

$$

BL
1 follow-up statement
114 
WGUS81 KBOX 021353
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
953 AM EDT Thu Sep 2 2021

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

  Westfield River At Westfield affecting Hampden and Hampshire 
  Counties.

  Sudbury River At Saxonville affecting Middlesex County.

  Blackstone River At Northbridge affecting Worcester County.

  Pawtuxet River At Cranston affecting Providence and Kent Counties.

  Pawcatuck River At Westerly affecting New London and Washington 
  Counties.

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

  Neponset River At Norwood affecting Norfolk and Suffolk Counties.

...The Flood Warning continues for the following rivers in 
Connecticut...Massachusetts...Rhode Island...

  Farmington River At Unionville affecting Hartford County.

  Farmington River At Simsbury affecting Hartford County.

  Farmington River At Tariffville affecting Hartford County.

  Blackstone River At Woonsocket affecting Providence and Worcester 
  Counties.

  Wood River At Hope Valley affecting Washington County.

  Assabet River At Maynard affecting Middlesex and Worcester 
  Counties.

  Taunton River Near Bridgewater affecting Plymouth and Bristol 
  Counties.

.Torrential rainfall occurred overnight and early this morning. 
Rainfall totals ranged from 3 to 6 inches across much of southern 
New England, with localized higher totals. As a result, a number of 
area rivers and streams are flooding, or are forecast to produce 
flooding.

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 3 pm this afternoon. 

&&


MAC021-025-021500-
/O.CAN.KBOX.FL.W.0016.000000T0000Z-210902T1353Z/
/NRWM3.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
953 AM EDT Thu Sep 2 2021

...The Flood Warning for the Neponset River At Norwood has been 
cancelled...

The Flood Warning is cancelled for
  the Neponset River At Norwood.
* At 9:00 AM EDT Thursday the stage was 8.5 feet.
* Flood stage is 9.0 feet.
* The river crested at 8.9 feet at 5 am this morning. 
* Forecast...The river is expected to fall to 6.8 feet Sunday 
  morning.


&&

LAT...LON 4212 7122 4214 7127 4228 7115 4224 7109

$$

MAC013-015-030200-
/O.EXT.KBOX.FL.W.0019.000000T0000Z-210903T0356Z/
/WSFM3.1.ER.210902T1038Z.210902T1800Z.210902T2156Z.NO/
953 AM EDT Thu Sep 2 2021

...The Flood Warning is now in effect until late this evening...

The Flood Warning continues for
  the Westfield River At Westfield.
* Until late this evening.
* At 8:30 AM EDT Thursday the stage was 13.7 feet.
* Flood stage is 13.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 14.0 feet 
  this afternoon. It will then fall below flood stage late this 
  afternoon.
* Impact...At 14.0 feet, Flooding of low lying sections along the 
  river through Westfield is expected. The Westfield River will also 
  backup the Little River and Powdermill Brook with flooding 
  expected along these smaller tributaries. Road closures may be 
  required along Route 20 and Union Avenue. Flooding is also 
  expected in the Westgate Shopping Center parking area.


&&

LAT...LON 4223 7291 4227 7285 4211 7259 4206 7259
      4210 7283

$$

MAC017-030200-
/O.EXT.KBOX.FL.W.0018.000000T0000Z-210903T0241Z/
/SAXM3.1.ER.210902T0904Z.210902T1215Z.210902T2041Z.NO/
953 AM EDT Thu Sep 2 2021

...The Flood Warning is now in effect until late this evening...

The Flood Warning continues for
  the Sudbury River At Saxonville.
* Until late this evening.
* At 9:15 AM EDT Thursday the stage was 10.5 feet.
* Flood stage is 10.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* At 9:15 AM the river was at 10.5 feet, and nearing crest. 
* Forecast...The river is expected to crest around 9.7 feet by 
  midday today, then fall below flood stage late this afternoon. The 
  river will continue falling to 8.2 feet early Sunday morning.
* Impact...At 10.0 feet, Flooding will affect low lying areas along 
  the river in Wayland, including a portion of Shore Road and Pelham 
  Island Road near Heards Pond.


&&

LAT...LON 4227 7140 4230 7145 4248 7139 4245 7129

$$

RIC003-007-030200-
/O.EXT.KBOX.FL.W.0017.000000T0000Z-210903T0843Z/
/CRAR1.1.ER.210902T0847Z.210902T1800Z.210903T0243Z.NO/
953 AM EDT Thu Sep 2 2021

...The Flood Warning is now in effect until late tonight...

The Flood Warning continues for
  the Pawtuxet River At Cranston.
* Until late tonight.
* At 8:45 AM EDT Thursday the stage was 10.3 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:45 AM EDT Thursday was 10.3 feet.
* Forecast...The river is expected to rise to a crest of 10.7 feet 
  this afternoon. It will then fall below flood stage late this 
  evening.
* Impact...At 11.0 feet, Structures and homes are impacted in low 
  lying sections of Warwick. Affected areas include homes and 
  businesses on Wellington Avenue and Avery Road in Cranston, as 
  well as Pioneer Avenue, Bellows Street, Venturi Avenue and a 
  portion of River Street in Warwick.


&&

LAT...LON 4178 7156 4180 7139 4172 7137 4170 7155

$$

MAC027-030200-
/O.EXT.KBOX.FL.W.0013.000000T0000Z-210903T1736Z/
/NBRM3.1.ER.210902T1300Z.210903T0000Z.210903T1136Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Blackstone River At Northbridge.
* Until early tomorrow afternoon.
* At 8:30 AM EDT Thursday the stage was 8.9 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 11.9 feet 
  this evening. It will then fall below flood stage tomorrow morning.
* Impact...At 11.0 feet, Flooding is expected along the river from 
  Northbridge through Uxbridge and Millville. Flooding will affect 
  some homes and businesses along the river in these towns.


&&

LAT...LON 4202 7151 4201 7160 4220 7183 4225 7171

$$

CTC003-030200-
/O.EXT.KBOX.FL.W.0012.000000T0000Z-210903T0522Z/
/UNVC3.1.ER.210902T0644Z.210902T0946Z.210902T2322Z.NO/
953 AM EDT Thu Sep 2 2021

...The Flood Warning is now in effect until just after midnight 
tonight...

The Flood Warning continues for
  the Farmington River At Unionville.
* Until just after midnight tonight.
* At 9:01 AM EDT Thursday the stage was 13.0 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The river crested at 14.0 feet at 5:45 AM, and 
  has started to recede.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling to 6.9 feet Sunday morning.
* Impact...At 12.0 feet, Minor flooding of lowland areas along the 
  river is expected, and may include lowest lying homes and 
  businesses along Route 4.


&&

LAT...LON 4180 7298 4190 7293 4178 7286 4175 7278
      4168 7285

$$

CTC003-030200-
/O.EXT.KBOX.FL.W.0014.210902T1413Z-210904T1612Z/
/SIMC3.2.ER.210902T1413Z.210903T1200Z.210904T1012Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Farmington River At Simsbury.
* Until early Saturday afternoon.
* At 9:01 AM EDT Thursday the stage was 11.7 feet.
* Flood stage is 12.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning, and continue rising to a crest of 15.3 feet tomorrow 
  morning. It will then fall below flood stage Saturday morning.
* Impact...At 15.0 feet, Moderate flooding begins with numerous 
  roads and residences affected. Evacuations may be needed along 
  various roads in Avon and Simsbury, including Riverside Road in 
  Simsbury. Flooding also begins to affect low lying sections of 
  Bloomfield and East Granby. Follow the directions of emergency 
  management officials and obey all road closures.


&&

LAT...LON 4175 7279 4178 7286 4190 7283 4187 7273

$$

RIC009-030200-
/O.EXT.KBOX.FL.W.0020.210902T1552Z-210904T0000Z/
/HOPR1.1.ER.210902T1552Z.210903T0000Z.210903T1800Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Wood River At Hope Valley.
* Until tomorrow evening.
* At 8:15 AM EDT Thursday the stage was 4.0 feet.
* Flood stage is 5.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning, then rise to a crest of 6.1 feet this evening. It 
  will then fall below flood stage early tomorrow afternoon.
* Impact...At 6.0 feet, In Richmond, the Wood River renders portions 
  of Wood River Drive and Wood River Circle impassable. In 
  Hopkinton, the Wood River floods sections of Dow Park off of Main 
  Street.


&&

LAT...LON 4143 7176 4160 7174 4160 7163 4144 7164

$$

CTC011-RIC009-030200-
/O.EXT.KBOX.FL.W.0023.210902T1600Z-210904T1600Z/
/WSTR1.1.ER.210902T1600Z.210903T0600Z.210904T1000Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Pawcatuck River At Westerly.
* Until early Saturday afternoon.
* At 9:00 AM EDT Thursday the stage was 6.5 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage this afternoon, 
  climbing to 8.1 feet just after midnight tonight. The river will 
  then remain near 8.0 feet through Friday morning, then gradually 
  recede. The river will fall below flood stage Saturday morning.
* Impact...At 8.0 feet, Floodwaters approach lowest lying homes 
  along Hiscox Road in Westerly. Along Route 3, flooding occurs at 
  some homes in French Village in Hopkinton.


&&

LAT...LON 4134 7189 4144 7188 4146 7177 4135 7174
      4131 7185

$$

MAC027-RIC007-030200-
/O.EXT.KBOX.FL.W.0021.210902T1845Z-210903T1800Z/
/WOOR1.1.ER.210902T1845Z.210903T0600Z.210903T1200Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Blackstone River At Woonsocket.
* From this afternoon to early tomorrow afternoon.
* At 8:30 AM EDT Thursday the stage was 7.8 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  afternoon to a crest of 10.4 feet just after midnight tonight. It 
  will then fall below flood stage tomorrow morning.
* Impact...At 10.0 feet, Flooding is likely along low lying areas of 
  the river. This includes the lower level of the River Island 
  Condominiums in Woonsocket, and lower end of the Albion Mills 
  Apartments parking area. Flood waters may also cover portions of 
  the parking areas of some of the mills and shopping outlets in 
  Cumberland located just off of Route 122.


&&

LAT...LON 4201 7157 4202 7149 4197 7142 4186 7136
      4185 7141

$$

CTC003-030200-
/O.EXT.KBOX.FL.W.0015.210903T0130Z-210904T0040Z/
/TARC3.1.ER.210903T0130Z.210903T1200Z.210903T1840Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Farmington River At Tariffville.
* From this evening to tomorrow evening.
* At 9:15 AM EDT Thursday the stage was 7.5 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this evening to a crest of 9.6 feet tomorrow morning. It will then 
  fall below flood stage early tomorrow afternoon.
* Impact...At 10.0 feet, Flooding of the lowest lying areas along 
  the Farmington River at and below Tariffville is expected.


&&

LAT...LON 4189 7280 4196 7278 4191 7263 4183 7263

$$

MAC005-023-030200-
/O.CON.KBOX.FL.W.0024.210903T0448Z-210904T0730Z/
/BDGM3.1.ER.210903T0448Z.210903T1200Z.210904T0130Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Taunton River Near Bridgewater.
* From late tonight to early Saturday morning.
* At 8:45 AM EDT Thursday the stage was 6.4 feet.
* Flood stage is 8.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 8.3 feet tomorrow morning. It 
  will then fall below flood stage late tomorrow evening.
* Impact...At 8.0 feet, Backwater flooding from the Taunton River 
  will cause flooding of lower Purchade Brook in Middleboro.  This 
  will cause Woloski Park to become impassable by most vehicles.  
  Beware of the dangers of crossing flooded roadways.


&&

LAT...LON 4182 7119 4202 7097 4194 7087 4177 7110

$$

MAC017-027-030200-
/O.CON.KBOX.FL.W.0022.210903T0600Z-210905T0600Z/
/MAYM3.1.ER.210903T0600Z.210904T0000Z.210905T0000Z.NO/
953 AM EDT Thu Sep 2 2021

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

The Flood Warning continues for
  the Assabet River At Maynard.
* From late tonight to early Sunday morning.
* At 9:15 AM EDT Thursday the stage was 4.1 feet.
* Flood stage is 5.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 5.6 feet tomorrow evening. It 
  will then fall below flood stage Saturday evening.
* Impact...At 6.0 feet, Flooding is likely in low lying sections 
  along the river including portions of Maynard, Hudson and Concord. 
  Water may approach homes along the river and may force several 
  localized road closures.


&&

LAT...LON 4236 7159 4240 7162 4250 7136 4241 7135

$$

NB

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 9:13 PM EDTFlash Flood WarningBOXHampden10 hr
Sep 1, 9:24 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 9:37 PM EDTFlash Flood WarningBOXWorcester10 hr
Sep 1, 10:01 PM EDTFlash Flood WarningBOXEssex, Middlesex, Norfolk, Suffolk8 hr
Sep 1, 10:32 PM EDTFlash Flood WarningBOXBristol, Norfolk, Plymouth10 hr
Sep 1, 10:45 PM EDTSpecial Marine WarningBOX45 min
Sep 1, 10:57 PM EDTFlash Flood WarningBOXFranklin, Hampshire, Middlesex, Worcester8 hr
Sep 1, 11:02 PM EDTFlash Flood WarningBOXEssex, Middlesex8 hr
Sep 1, 11:21 PM EDTTornado WarningBOXBarnstable, Bristol, Dukes, Plymouth54 min
Sep 1, 11:24 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 11:32 PM EDTSpecial Marine WarningBOX58 min
Sep 1, 11:32 PM EDTSpecial Marine WarningBOX58 min
Sep 1, 11:56 PM EDTTornado WarningBOXBarnstable, Dukes49 min
Sep 2, 12:08 AM EDTFlash Flood WarningBOXBarnstable, Dukes8 hr
Sep 2, 12:20 AM EDTSpecial Marine WarningBOX55 min
Sep 2, 12:22 AM EDTTornado WarningBOXDukes53 min
Sep 2, 12:25 AM EDTSpecial Marine WarningBOX65 min
Sep 2, 12:45 AM EDTTornado WarningBOXBarnstable, Dukes60 min
Sep 2, 1:07 AM EDTSpecial Marine WarningBOX83 min
Sep 2, 1:15 AM EDTTornado WarningBOXDukes28 min
Sep 2, 1:51 AM EDTRiver Flood WarningBOXWorcester31 hr
Sep 2, 1:56 AM EDTTornado WarningBOXBarnstable26 min
Sep 2, 2:34 AM EDTFlash Flood Warning Considerable damage threatBOXBristol, Plymouth6 hr
Sep 2, 5:14 AM EDTSpecial Marine WarningBOX46 min
Sep 2, 5:26 AM EDTFlash Flood Warning Considerable damage threatBOXBarnstable, Bristol, Dukes, Plymouth3 hr
Sep 2, 5:30 AM EDTRiver Flood WarningBOXMiddlesex22 hr
Sep 2, 5:49 AM EDTSpecial Marine WarningBOX42 min
Sep 2, 6:02 AM EDTFlash Flood WarningBOXEssex, Middlesex, Norfolk, Suffolk3 hr
Sep 2, 6:14 AM EDTSpecial Marine WarningBOX25 min
Sep 2, 6:50 AM EDTAreal Flood WarningBOXFranklin, Hampden, Hampshire, Middlesex, Worcester6 hr
Sep 2, 7:04 AM EDTAreal Flood WarningBOXBristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more11 hr
Sep 2, 7:25 AM EDTFlash Flood Warning Considerable damage threatBOXHampden, Hampshire, Worcester6 hr
Sep 2, 7:43 AM EDTAreal Flood WarningBOXBristol, Norfolk, Plymouth, Worcester6 hr
Sep 2, 7:54 AM EDTAreal Flood WarningBOXBarnstable, Dukes, Plymouth6 hr
Sep 2, 8:14 AM EDTRiver Flood WarningBOXHampden, Hampshire13 hr
Sep 2, 8:20 AM EDTRiver Flood WarningBOXWorcester32 hr
Sep 2, 8:20 AM EDTRiver Flood WarningBOXMiddlesex, Worcester60 hr
Sep 2, 9:25 AM EDTRiver Flood WarningBOXBristol, Plymouth64 hr
Sep 2, 10:40 AM EDTSmall Craft AdvisoryBOX17 hr
Sep 2, 12:51 PM EDTAreal Flood WarningBOXFranklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester6 hr
Sep 2, 1:28 PM EDTAreal Flood WarningBOXHampden6 hr
Sep 2, 1:42 PM EDTAreal Flood WarningBOXBristol, Norfolk, Plymouth, Worcester6 hr
Sep 2, 5:59 PM EDTRiver Flood WarningBOXEssex, Middlesex25 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.