Alert archive / Connecticut / River Flood Warnings in 2021

River Flood Warning 11, NWS Boston/Norton, MA

July 19, 2021Lower Connecticut River Valley Planning Region, Connecticut

NWS Boston/Norton, MA issued this river flood warning at Jul 19, 2021, 11:10 PM EDT for Lower Connecticut River Valley Planning Region, Connecticut. It was in force for 36 hr.

The area

The outline as issued.

The facts

Issued: Jul 19, 2021, 11:10 PM EDT (03:10 UTC)
Expired: Jul 21, 2021, 11:39 AM EDT
In force: 36 hr
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: Minor

County Lower Connecticut River Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 75 km from the middle of the area, began a volume at 03:13 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 Connecticut River at Middle Haddam (MHDC3). The gauge peaked at 7.37 ft at Jul 21, 2021, 12:00 AM EDT.

Action stage: 5 ft
Minor stage: 7 ft
Moderate stage: 10.5 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01193050, 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.

152 
WGUS41 KBOX 200310
FLWBOX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Boston/Norton MA
1110 PM EDT Mon Jul 19 2021

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

  Connecticut River At Middle Haddam affecting Middlesex County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 evening at 1115 PM EDT.

&&


CTC007-210315-
/O.NEW.KBOX.FL.W.0011.210720T0310Z-000000T0000Z/
/MHDC3.1.ER.210720T1300Z.210721T0300Z.210721T1600Z.UU/
1110 PM EDT Mon Jul 19 2021

The National Weather Service in Norton has issued a

* Flood Warning for
  the Connecticut River At Middle Haddam.
* From this evening until further notice.
* At 10:55 PM EDT Monday the stage was 6.8 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 7.5 feet late tomorrow evening.
* Impact...At 7.0 feet, Flooding is likely in the vicinity of Meadow 
  Road, Route 17A, in the Gildersleeve section of Portland. A 
  portion of this roadway will likely be closed. This includes the 
  Exchange Club of Portland Fairgrounds. Boating interests should 
  prepare for a period of swift river flows during this period.


&&

LAT...LON 4164 7269 4164 7258 4129 7225 4126 7239
      4141 7251 4156 7270

$$

BW

4 follow-up statements

962 
WGUS81 KBOX 201524
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1124 AM EDT Tue Jul 20 2021

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

  Connecticut River At Middle Haddam affecting Middlesex County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1130 PM EDT.

&&


CTC007-210330-
/O.EXT.KBOX.FL.W.0011.000000T0000Z-210721T1400Z/
/MHDC3.1.ER.210721T0000Z.210721T0300Z.210721T0800Z.UU/
1124 AM EDT Tue Jul 20 2021

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

The Flood Warning continues for
  the Connecticut River At Middle Haddam.
* Until late tomorrow morning.
* At 10:55 AM EDT Tuesday the stage was 7.0 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 7.4 feet late this evening.
* Impact...At 7.0 feet, Flooding is likely in the vicinity of Meadow 
  Road, Route 17A, in the Gildersleeve section of Portland. A 
  portion of this roadway will likely be closed. This includes the 
  Exchange Club of Portland Fairgrounds. Boating interests should 
  prepare for a period of swift river flows during this period.


&&

LAT...LON 4164 7269 4164 7258 4129 7225 4126 7239
      4141 7251 4156 7270

$$

AED

691 
WGUS81 KBOX 210218
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1018 PM EDT Tue Jul 20 2021

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

  Connecticut River At Middle Haddam affecting Middlesex County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 morning by 1000 AM EDT.

&&


CTC007-211400-
/O.CON.KBOX.FL.W.0011.000000T0000Z-210721T1400Z/
/MHDC3.1.ER.210721T0007Z.210721T0150Z.210721T0700Z.UU/
1018 PM EDT Tue Jul 20 2021

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

The Flood Warning continues for
  the Connecticut River At Middle Haddam.
* Until late tomorrow morning.
* At 10:55 AM EDT Tuesday the stage was 7.0 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:55 AM EDT Tuesday was 7.0 feet.
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 7.3 feet late this evening.
* Impact...At 7.0 feet, Flooding is likely in the vicinity of Meadow 
  Road, Route 17A, in the Gildersleeve section of Portland. A 
  portion of this roadway will likely be closed. This includes the 
  Exchange Club of Portland Fairgrounds. Boating interests should 
  prepare for a period of swift river flows during this period.


&&

LAT...LON 4164 7269 4164 7258 4129 7225 4126 7239
      4141 7251 4156 7270

$$

BW

758 
WGUS81 KBOX 211318
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
918 AM EDT Wed Jul 21 2021

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

  Connecticut River At Middle Haddam affecting Middlesex County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 100 PM EDT.

&&


CTC007-211700-
/O.EXT.KBOX.FL.W.0011.000000T0000Z-210721T1700Z/
/MHDC3.1.ER.210721T0007Z.210721T0150Z.210721T0700Z.UU/
918 AM EDT Wed Jul 21 2021

...The Flood Warning is now in effect until this afternoon...

The Flood Warning continues for
  the Connecticut River At Middle Haddam.
* Until this afternoon.
* At 9:00 AM EDT Wednesday the stage was 6.7 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:55 AM EDT Tuesday was 7.0 feet.
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 7.3 feet Tuesday, July 20.
* Impact...At 7.0 feet, Flooding is likely in the vicinity of Meadow 
  Road, Route 17A, in the Gildersleeve section of Portland. A 
  portion of this roadway will likely be closed. This includes the 
  Exchange Club of Portland Fairgrounds. Boating interests should 
  prepare for a period of swift river flows during this period.


&&

LAT...LON 4164 7269 4164 7258 4129 7225 4126 7239
      4141 7251 4156 7270

$$

BL

982 
WGUS81 KBOX 211539
FLSBOX

Flood Statement
National Weather Service Boston/Norton MA
1139 AM EDT Wed Jul 21 2021

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

  Connecticut River At Middle Haddam affecting Middlesex County.

CTC007-211645-
/O.CAN.KBOX.FL.W.0011.000000T0000Z-210721T1539Z/
/MHDC3.1.ER.210721T0007Z.210721T0150Z.210721T0700Z.UU/
1139 AM EDT Wed Jul 21 2021

...The Flood Warning for the Connecticut River At Middle Haddam has 
been cancelled...

The Flood Warning is cancelled for
  the Connecticut River At Middle Haddam.
* At 11:00 AM EDT Tuesday, July 20 the stage was 6.9 feet.
* Flood stage is 7.0 feet.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:55 AM EDT Tuesday was 7.0 feet.
* Forecast...The river levels will continue to recede heading into 
  late this week.


&&

LAT...LON 4164 7269 4164 7258 4129 7225 4126 7239
      4141 7251 4156 7270

$$

BL

Nearby

River Flood Warnings in Connecticut, 2021 Every 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.