Alert archive / Massachusetts / River Flood Warnings in 2021
River Flood Warning 26, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this river flood warning at Sep 3, 2021, 9:38 PM EDT for Essex County, Massachusetts. It took effect at Sep 4, 2021, 2:00 AM EDT. It was in force for 11 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 3, 2021, 9:38 PM EDT (01:38 UTC)
- In effect from
- Sep 4, 2021, 2:00 AM EDT
- Expired
- Sep 4, 2021, 1:26 PM EDT
- In force
- 11 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- Minor
County Essex County, MA
The radar
The Boston radar (KBOX), 78 km from the middle of the area, began a volume at 01:41 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 Shawsheen River at Andover (ANDM3). The gauge peaked at 29.15 ft at Sep 4, 2021, 8:00 AM EDT.
- Action stage
- 28 ft
- Minor stage
- 29 ft
- Moderate stage
- 32 ft
- Major stage
- 35 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01100627, 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.
665 WGUS41 KBOX 040138 FLWBOX BULLETIN - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Boston/Norton MA 938 PM EDT Fri Sep 3 2021 ...The National Weather Service in Boston/Norton MA has issued a Flood Warning for the following rivers in Massachusetts... Shawsheen River AT Andover affecting Essex County. 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 Saturday morning at 800 AM EDT. && MAC009-041200- /O.NEW.KBOX.FL.W.0026.210904T0600Z-210904T1200Z/ /ANDM3.1.ER.210904T0600Z.210904T0600Z.210904T0600Z.UU/ 938 PM EDT Fri Sep 3 2021 The National Weather Service in Norton has issued a * Flood Warning for the Shawsheen River AT Andover. * From late tonight to tomorrow morning. * At 8:30 PM EDT Friday the stage was 28.8 feet. * Flood stage is 29.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise to a crest of 29.0 feet just after midnight tonight and will fall back below flood stage sometime Saturday morning. * Impact...At 29.0 feet, Floodwaters encroach on very lowest lying business parking lots off of Route 114 in Lawrence and North Andover that are adjacent to the Shawsheen River. && LAT...LON 4264 7121 4270 7117 4271 7109 4261 7116 $$ Smith
3 follow-up statements
496
WGUS81 KBOX 041117
FLSBOX
Flood Statement
National Weather Service Boston/Norton MA
717 AM EDT Sat Sep 4 2021
...The Flood Warning is extended for the following rivers in Rhode
Island...
Pawcatuck River At Westerly affecting Washington County.
...Observed flooding changed to Minor severity and increased in
duration for the following rivers in Massachusetts...
Shawsheen River AT Andover affecting Essex County.
...The Flood Warning continues for the following rivers in
Connecticut...Massachusetts...
Farmington River At Simsbury affecting Hartford County.
Assabet River At Maynard affecting Middlesex and Worcester
Counties.
Taunton River Near Bridgewater affecting Plymouth and Bristol
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued this afternoon at 130 PM EDT.
&&
MAC009-041730-
/O.EXT.KBOX.FL.W.0026.000000T0000Z-210904T1726Z/
/ANDM3.1.ER.210904T0315Z.210904T1030Z.210904T1126Z.UU/
717 AM EDT Sat Sep 4 2021
...Observed flooding increased to Minor severity and increased in
duration until this afternoon...
The Flood Warning continues for
the Shawsheen River AT Andover.
* Until this afternoon.
* At 6:30 AM EDT Saturday the stage was 29.2 feet.
* Flood stage is 29.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:30 AM EDT Saturday was 29.2 feet.
* Forecast...The river is expected to fall below flood stage this
morning and continue falling to 25.8 feet Monday evening.
* Impact...At 29.0 feet, Floodwaters encroach on very lowest lying
business parking lots off of Route 114 in Lawrence and North
Andover that are adjacent to the Shawsheen River.
&&
LAT...LON 4264 7121 4270 7117 4271 7109 4261 7116
$$
RIC009-041745-
/O.EXT.KBOX.FL.W.0023.000000T0000Z-210904T1735Z/
/WSTR1.1.ER.210902T1618Z.210902T2315Z.210904T1135Z.NO/
717 AM EDT Sat Sep 4 2021
...The Flood Warning is now in effect until this afternoon...
The Flood Warning continues for
the Pawcatuck River At Westerly.
* Until this afternoon.
* At 7:00 AM EDT Saturday the stage was 7.1 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:00 AM EDT Saturday was 7.4 feet.
* Forecast...The river is expected to fall below flood stage this
morning and continue falling to 6.3 feet late Monday evening.
* Impact...At 7.0 feet, Minor lowland flooding occurs along the
Pawcatuck River. Along Route 3 in Hopkinton, floodwaters encroach
on lowest lying homes in French Village.
&&
LAT...LON 4134 7189 4144 7188 4146 7177 4135 7174
4131 7185
$$
MAC005-023-042330-
/O.CON.KBOX.FL.W.0024.000000T0000Z-210905T0500Z/
/BDGM3.1.ER.210903T0300Z.210904T0630Z.210904T2300Z.NO/
717 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Taunton River Near Bridgewater.
* Until just after midnight tonight.
* At 6:45 AM EDT Saturday the stage was 9.1 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:45 AM EDT Saturday was 9.1 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 5.9 feet Monday evening.
* Impact...At 9.0 feet, Backwater flooding from the Taunton River
will cause flooding of lower Purchade Brook in Middleboro. This
will cause Woloski Park to become impassable by most vehicles for
an extended period of time. Beware of the dangers of crossing
flooded roadways. The water may be deeper than you think.
Floodwaters have the ability to damage roadways. Heed the advice
of local officials, and evacuate if asked to do so.
&&
LAT...LON 4182 7119 4202 7097 4194 7087 4177 7110
$$
MAC017-027-042330-
/O.CON.KBOX.FL.W.0022.000000T0000Z-210905T0000Z/
/MAYM3.1.ER.210903T0230Z.210903T2045Z.210904T1800Z.NO/
717 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Assabet River At Maynard.
* Until this evening.
* At 6:15 AM EDT Saturday 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 6:15 AM EDT Saturday was 5.3 feet.
* Forecast...The river is expected to fall below flood stage this
afternoon and continue falling to 3.5 feet Monday evening.
* Impact...At 5.0 feet, Minor lowland and backyard flooding is
likely along reaches of the river in Maynard, Concord as well as
Hudson. Several river roads may also become covered in water.
&&
LAT...LON 4236 7159 4240 7162 4250 7136 4241 7135
$$
CTC003-042330-
/O.CON.KBOX.FL.W.0014.000000T0000Z-210905T0200Z/
/SIMC3.1.ER.210902T1418Z.210903T1501Z.210904T2000Z.NO/
717 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Farmington River At Simsbury.
* Until late this evening.
* At 7:01 AM EDT Saturday the stage was 13.2 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:01 AM EDT Saturday was 14.4 feet.
* Forecast...The river is expected to fall below flood stage late
this afternoon and continue falling to 6.6 feet Monday evening.
* Impact...At 13.0 feet, Flooding affects Old Farms and Tolliston
Roads in Avon, Meadow Road in Farmington, and Nod, Riverside, and
Terrys Plain Roads in Simsbury. Route 315 in Simsbury is also
impacted. Flooding spreads into Plantation Country Club and
adjoining Town Farm Road in Simsbury. Also, flooding will approach
the Paine Boathouse.
&&
LAT...LON 4175 7279 4178 7286 4190 7283 4187 7273
$$010 WGUS81 KBOX 041156 FLSBOX Flood Statement National Weather Service Boston/Norton MA 756 AM EDT Sat Sep 4 2021 ...Forecast flooding changed to Minor severity for the following rivers in Massachusetts... Shawsheen River AT Andover affecting Essex County. 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 130 PM EDT. && MAC009-041730- /O.CON.KBOX.FL.W.0026.000000T0000Z-210904T1726Z/ /ANDM3.1.ER.210904T0315Z.210904T1030Z.210904T1500Z.UU/ 756 AM EDT Sat Sep 4 2021 ...Forecast flooding changed to Minor severity... The Flood Warning continues for the Shawsheen River AT Andover. * Until this afternoon. * At 7:30 AM EDT Saturday the stage was 29.2 feet. * Flood stage is 29.0 feet. * Minor flooding is occurring and minor flooding is forecast. * Recent Activity...The maximum river stage in the 24 hours ending at 7:30 AM EDT Saturday was 29.2 feet. * Forecast...The river is expected to fall below flood stage late this morning and continue falling to 25.7 feet early Tuesday morning. * Impact...At 29.0 feet, Floodwaters encroach on very lowest lying business parking lots off of Route 114 in Lawrence and North Andover that are adjacent to the Shawsheen River. && LAT...LON 4264 7121 4270 7117 4271 7109 4261 7116 $$ BW
939
WGUS81 KBOX 041351
FLSBOX
Flood Statement
National Weather Service Boston/Norton MA
951 AM EDT Sat Sep 4 2021
...The Flood Warning continues for the following rivers in
Connecticut...Massachusetts...Rhode Island...
Farmington River At Simsbury affecting Hartford County.
Assabet River At Maynard affecting Middlesex and Worcester
Counties.
Shawsheen River AT Andover affecting Essex County.
Pawcatuck River At Westerly affecting New London and Washington
Counties.
Taunton River Near Bridgewater affecting Plymouth and Bristol
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued this afternoon at 130 PM EDT.
&&
MAC009-041730-
/O.CON.KBOX.FL.W.0026.000000T0000Z-210904T1726Z/
/ANDM3.1.ER.210904T0315Z.210904T1030Z.210904T1607Z.UU/
951 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Shawsheen River AT Andover.
* Until this afternoon.
* At 9:30 AM EDT Saturday the stage was 29.1 feet.
* Flood stage is 29.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:30 AM EDT Saturday was 29.2 feet.
* Forecast...The river is expected to fall below flood stage this
afternoon and continue falling to 25.7 feet early Tuesday morning.
* Impact...At 29.0 feet, Floodwaters encroach on very lowest lying
business parking lots off of Route 114 in Lawrence and North
Andover that are adjacent to the Shawsheen River.
&&
LAT...LON 4264 7121 4270 7117 4271 7109 4261 7116
$$
MAC005-023-050200-
/O.CON.KBOX.FL.W.0024.000000T0000Z-210905T0500Z/
/BDGM3.1.ER.210903T0300Z.210904T0630Z.210904T2300Z.NO/
951 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Taunton River Near Bridgewater.
* Until just after midnight tonight.
* At 8:45 AM EDT Saturday the stage was 9.0 feet.
* Flood stage is 8.0 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 Saturday was 9.1 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 5.9 feet Monday evening.
* Impact...At 9.0 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 for
an extended period of time. Beware of the dangers of crossing
flooded roadways. The water may be deeper than you think.
Floodwaters have the ability to damage roadways. Heed the advice
of local officials, and evacuate if asked to do so.
&&
LAT...LON 4182 7119 4202 7097 4194 7087 4177 7110
$$
CTC011-RIC009-041745-
/O.CON.KBOX.FL.W.0023.000000T0000Z-210904T1735Z/
/WSTR1.1.ER.210902T1618Z.210902T2315Z.210904T1332Z.NO/
951 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Pawcatuck River At Westerly.
* Until this afternoon.
* At 9:00 AM EDT Saturday the stage was 7.1 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:00 AM EDT Saturday was 7.3 feet.
* Forecast...The river is expected to fall to 6.3 feet late Monday
evening.
* Impact...At 7.0 feet, Minor lowland flooding occurs along the
Pawcatuck River. Along Route 3 in Hopkinton, floodwaters encroach
on lowest lying homes in French Village.
&&
LAT...LON 4134 7189 4144 7188 4146 7177 4135 7174
4131 7185
$$
MAC017-027-050000-
/O.CON.KBOX.FL.W.0022.000000T0000Z-210905T0000Z/
/MAYM3.1.ER.210903T0230Z.210903T2045Z.210904T1800Z.NO/
951 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Assabet River At Maynard.
* Until this evening.
* At 9:15 AM EDT Saturday 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 9:15 AM EDT Saturday was 5.3 feet.
* Forecast...The river is expected to fall below flood stage this
afternoon and continue falling to 3.5 feet Monday evening.
* Impact...At 5.0 feet, Minor lowland and backyard flooding is
likely along reaches of the river in Maynard, Concord as well as
Hudson. Several river roads may also become covered in water.
&&
LAT...LON 4236 7159 4240 7162 4250 7136 4241 7135
$$
CTC003-050200-
/O.CON.KBOX.FL.W.0014.000000T0000Z-210905T0200Z/
/SIMC3.1.ER.210902T1418Z.210903T1501Z.210904T2000Z.NO/
951 AM EDT Sat Sep 4 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Farmington River At Simsbury.
* Until late this evening.
* At 9:30 AM EDT Saturday the stage was 13.0 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:30 AM EDT Saturday was 14.4 feet.
* Forecast...The river is expected to fall below flood stage late
this afternoon and continue falling to 6.6 feet Monday evening.
* Impact...At 13.0 feet, Flooding affects Old Farms and Tolliston
Roads in Avon, Meadow Road in Farmington, and Nod, Riverside, and
Terrys Plain Roads in Simsbury. Route 315 in Simsbury is also
impacted. Flooding spreads into Plantation Country Club and
adjoining Town Farm Road in Simsbury. Also, flooding will approach
the Paine Boathouse.
&&
LAT...LON 4175 7279 4178 7286 4190 7283 4187 7273
$$
BWNearby
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.