Alert archive / Massachusetts / River Flood Warnings in 2021
River Flood Warning 6, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this river flood warning at Jul 9, 2021, 9:47 PM EDT for Worcester County, Massachusetts; Providence County, Rhode Island. It took effect at Jul 10, 2021, 5:00 AM EDT. It was in force for 20 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2021, 9:47 PM EDT (01:47 UTC)
- In effect from
- Jul 10, 2021, 5:00 AM EDT
- Expired
- Jul 11, 2021, 12:33 AM EDT
- In force
- 20 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Worcester County, MA, Providence County, RI
The radar
The Boston radar (KBOX), 28 km from the middle of the area, began a volume at 01:50 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 Blackstone River at Woonsocket (WOOR1). The gauge peaked at 9.44 ft at Jul 10, 2021, 11:00 AM EDT.
- Action stage
- 8 ft
- Minor stage
- 9 ft
- Moderate stage
- 12 ft
- Major stage
- 16 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01112500, 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.
364
WGUS41 KBOX 100147
FLWBOX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Boston/Norton MA
947 PM EDT Fri Jul 9 2021
...The National Weather Service in Boston/Norton MA has issued a
Flood Warning for the following rivers in Massachusetts...Rhode
Island...
Blackstone River At Northbridge affecting Worcester County.
Blackstone River At Woonsocket affecting Providence and Worcester
Counties.
.Heavy rainfall from earlier today continued to runoff into the
Blackstone River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 Saturday morning at 845 AM EDT.
&&
MAC027-101245-
/O.NEW.KBOX.FL.W.0005.210710T0215Z-210710T1240Z/
/NBRM3.1.ER.210710T0215Z.210710T0600Z.210710T0640Z.NO/
947 PM EDT Fri Jul 9 2021
The National Weather Service in Norton has issued a
* Flood Warning for
the Blackstone River At Northbridge.
* Until tomorrow morning.
* At 8:46 PM EDT Friday the stage was 9.0 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 9.1 feet just after midnight tonight.
It will then fall below flood stage just after midnight tonight.
* Impact...At 9.0 feet, Flooding of low lying areas along the river
bank is likely between Northbridge and the Rhode Island and
Massachusetts border.
&&
LAT...LON 4202 7151 4201 7160 4220 7183 4225 7171
$$
MAC027-RIC007-101400-
/O.NEW.KBOX.FL.W.0006.210710T0900Z-210711T0052Z/
/WOOR1.1.ER.210710T0900Z.210710T1200Z.210710T1851Z.NO/
947 PM EDT Fri Jul 9 2021
The National Weather Service in Norton has issued a
* Flood Warning for
the Blackstone River At Woonsocket.
* From late tonight to tomorrow evening.
* At 8:45 PM EDT Friday the stage was 7.8 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight to a crest of 9.2 feet tomorrow morning. It will then fall
below flood stage early tomorrow afternoon.
* Impact...At 9.0 feet, Flooding may begin to affect the lower
parking area to the Albion Mill Apartments. Lower lying
residential areas along the Rhode Island and Massachusetts line,
including the lower level of the River Island Condominiums in
Woonsocket, may begin to experience flooding. Businesses along the
river should take the necessary actions to protect property.
&&
LAT...LON 4201 7157 4202 7149 4197 7142 4186 7136
4185 7141
$$
Belk3 follow-up statements
918
WGUS81 KBOX 100810
FLSBOX
Flood Statement
National Weather Service Boston/Norton MA
410 AM EDT Sat Jul 10 2021
...The Flood Warning is extended for the following rivers in
Massachusetts...Rhode Island...
Blackstone River At Woonsocket affecting Providence and Worcester
Counties.
...The Flood Warning continues for the following rivers in
Massachusetts...
Sudbury River At Saxonville affecting Middlesex County.
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.
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 515 PM EDT.
&&
MAC027-RIC007-102115-
/O.EXT.KBOX.FL.W.0006.210710T0900Z-210711T0100Z/
/WOOR1.1.ER.210710T0900Z.210710T1200Z.210710T1851Z.NO/
410 AM EDT Sat Jul 10 2021
...The Flood Warning is now in effect until late this evening...
The Flood Warning continues for
the Blackstone River At Woonsocket.
* Until late this evening.
* At 4:00 AM EDT Saturday the stage was 8.9 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
this morning to a crest of 9.2 feet this morning. It will then
fall below flood stage this afternoon.
* Impact...At 9.0 feet, Flooding may begin to affect the lower
parking area to the Albion Mill Apartments. Lower lying
residential areas along the Rhode Island and Massachusetts line,
including the lower level of the River Island Condominiums in
Woonsocket, may begin to experience flooding. Businesses along the
river should take the necessary actions to protect property.
&&
LAT...LON 4201 7157 4202 7149 4197 7142 4186 7136
4185 7141
$$
MAC017-102115-
/O.CON.KBOX.FL.W.0004.000000T0000Z-210711T1500Z/
/SAXM3.1.ER.210709T1645Z.210710T0600Z.210711T0900Z.NO/
410 AM EDT Sat Jul 10 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Sudbury River At Saxonville.
* Until late tomorrow morning.
* At 4:00 AM EDT Saturday the stage was 10.5 feet.
* Flood stage is 10.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:15 PM EDT Friday was 10.5 feet.
* Forecast...The river has crested and is expected to gradually
recede today. It will then fall below flood stage late tonight.
* Impact...At 11.0 feet, Flooding will affect portions of Shore and
Pelham Island Roads as well as River Road in wayland. Flooding
will also begin to impact Route 20 at Route 27. Other low lying
areas along the river will experience flooding.
&&
LAT...LON 4227 7140 4230 7145 4248 7139 4245 7129
$$
BL795
WGUS81 KBOX 101637
FLSBOX
Flood Statement
National Weather Service Boston/Norton MA
1237 PM EDT Sat Jul 10 2021
...The Flood Warning is extended for the following rivers in
Massachusetts...Rhode Island...
Sudbury River At Saxonville affecting Middlesex County.
Blackstone River At Woonsocket affecting Providence and Worcester
Counties.
.Doppler radar and automated rain gauges indicated between 2 to 5
inches of rain fell due to Elsa. As a result, flooding is continuing
in some communities along some rivers.
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 by 145 AM EDT.
&&
MAC027-RIC007-110530-
/O.EXT.KBOX.FL.W.0006.000000T0000Z-210711T0519Z/
/WOOR1.1.ER.210710T0738Z.210710T1800Z.210710T2319Z.NO/
1237 PM EDT Sat Jul 10 2021
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the Blackstone River At Woonsocket.
* Until just after midnight tonight.
* At 11:30 AM EDT Saturday the stage was 9.5 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 11:30 AM EDT Saturday was 9.5 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 4.4 feet Tuesday morning.
* Impact...At 9.0 feet, Flooding may begin to affect the lower
parking area to the Albion Mill Apartments. Lower lying
residential areas along the Rhode Island and Massachusetts line,
including the lower level of the River Island Condominiums in
Woonsocket, may begin to experience flooding. Businesses along the
river should take the necessary actions to protect property.
&&
LAT...LON 4201 7157 4202 7149 4197 7142 4186 7136
4185 7141
$$
MAC017-110545-
/O.EXT.KBOX.FL.W.0004.000000T0000Z-210711T1800Z/
/SAXM3.1.ER.210709T1645Z.210710T0600Z.210711T1200Z.NO/
1237 PM EDT Sat Jul 10 2021
...The Flood Warning is now in effect until early tomorrow
afternoon...
The Flood Warning continues for
the Sudbury River At Saxonville.
* Until early tomorrow afternoon.
* At 11:15 AM EDT Saturday the stage was 10.2 feet.
* Flood stage is 10.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 11:15 AM EDT Saturday was 10.6 feet.
* Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 9.2 feet Tuesday morning.
* Impact...At 10.0 feet, Flooding will affect low lying areas along
the river in Wayland, including a portion of Shore Road and Pelham
Island Road near Heards Pond.
&&
LAT...LON 4227 7140 4230 7145 4248 7139 4245 7129
$$
RC424
WGUS81 KBOX 110433
FLSBOX
Flood Statement
National Weather Service Boston/Norton MA
1233 AM EDT Sun Jul 11 2021
...The Flood Warning is cancelled for the following rivers in
Massachusetts...Rhode Island...
Blackstone River At Woonsocket affecting Providence and Worcester
Counties.
MAC027-RIC007-110545-
/O.CAN.KBOX.FL.W.0006.000000T0000Z-210711T0433Z/
/WOOR1.1.ER.210710T0738Z.210710T1800Z.210710T2319Z.NO/
1233 AM EDT Sun Jul 11 2021
...The Flood Warning for the Blackstone River At Woonsocket has been
cancelled...
The Flood Warning is cancelled for
the Blackstone River At Woonsocket.
* At 12:30 AM EDT Saturday the stage was 8.9 feet.
* Flood stage is 9.0 feet.
* Recent Activity...The maximum river stage in the 24 hours ending
at 11:30 AM EDT Saturday was 9.5 feet.
* Forecast...The river is currently below flood stage and will
continue falling to 4.4 feet Tuesday morning.
&&
LAT...LON 4201 7157 4202 7149 4197 7142 4186 7136
4185 7141
$$
BLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 8:47 PM EDT | Special Weather Statement | BOX | Hampden | 58 min |
| Jul 9, 9:47 PM EDT | River Flood Warning | BOX | Worcester | 10 hr |
| Jul 10, 4:42 AM EDT | Rip Current Statement | BOX | Bristol, Dukes, Nantucket | 15 hr |
| Jul 10, 12:37 PM EDT | River Flood Warning | BOX | Middlesex, Norfolk | 24 hr |
| Jul 10, 12:11 AM EDT | Special Weather Statement | BOX | Kent | 49 min |
Nearby
River Flood Warnings in Massachusetts, 2021River Flood Warnings in Rhode Island, 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.