Alert archive / Connecticut / River Flood Warnings in 2021

River Flood Warning 8, NWS New York, NY

September 2, 2021Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this river flood warning at Sep 2, 2021, 12:53 AM EDT for Naugatuck Valley Planning Region, Connecticut. It took effect at Sep 2, 2021, 1:50 AM EDT. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Sep 2, 2021, 12:53 AM EDT (04:53 UTC)
In effect from
Sep 2, 2021, 1:50 AM EDT
Expired
Sep 2, 2021, 6:04 AM EDT
In force
4 hr
Issued by
NWS New York, NY
Area
Storm-based polygon
Flood severity
Moderate

County Naugatuck Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 65 km from the middle of the area, began a volume at 04:52 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 Naugatuck River at Beacon Falls (BEAC3). The gauge peaked at 12.79 ft at Sep 2, 2021, 2:00 AM EDT.

actionminormoderatemajor51009/0209/03
Action stage
11.5 ft
Minor stage
12 ft
Moderate stage
13 ft
Major stage
14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01208500, 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.

286 
WGUS41 KOKX 020453
FLWOKX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service New York NY
1253 AM EDT Thu Sep 2 2021

...The National Weather Service in New York NY has issued a Flood 
Warning for the following rivers in Connecticut...

  Naugatuck River near Beacon Falls affecting New Haven County.

For the Naugatuck River...including Beacon Falls...Moderate flooding 
is forecast.

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.

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 100 PM EDT.

&&


CTC009-021700-
/O.NEW.KOKX.FL.W.0008.210902T0622Z-210903T0613Z/
/BEAC3.2.ER.210902T0622Z.210902T1200Z.210902T1812Z.NO/
1253 AM EDT Thu Sep 2 2021

The National Weather Service in Upton has issued a

* Flood Warning for
  the Naugatuck River near Beacon Falls.
* Until just after midnight tonight.
* At 12:30 AM EDT Thursday the stage was 10.4 feet.
* Flood stage is 12.0 feet.
* Moderate flooding is forecast.
* Forecast...The river will rise above flood stage early this 
  morning to 13.5 feet this morning. It will then fall below flood 
  stage this afternoon to 5.9 feet and begin rising again early 
  Friday afternoon. It will rise to 6.3 feet Friday evening. It will 
  then fall to 5.8 feet and begin rising again Saturday morning. It 
  will then rise again but remain below flood stage.
* Impact...At 12.0 feet, Flooding begins in the upstream towns of 
  Waterbury and Naugatuck.
* Flood History...This crest compares to a previous crest of 13.7 
  feet on 10/16/1955.

&&


               Fld   Observed           Forecasts (2 am EDT)     
Location       Stg   Stg   Day/Time     Fri   Sat   Sun          

Naugatuck River
Beacon Falls   12.0  10.4  Thu 12 am ED 6.8   6.0   MSG          





&&

LAT...LON 4130 7305 4133 7311 4158 7309 4162 7303
      4145 7302

$$

JM
2 follow-up statements
440 
WGUS41 KOKX 020511
FLWOKX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service New York NY
111 AM EDT Thu Sep 2 2021

...Forecast flooding changed from Moderate to Major severity and 
increased in duration for the following rivers in Connecticut...

  Naugatuck River near Beacon Falls affecting New Haven County.

For the Naugatuck River...including Beacon Falls...Major flooding is 
forecast.

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.

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

Flooding is occurring or is imminent. Most flood related deaths 
occur in automobiles. Do not attempt to cross water covered bridges, 
dips, or low water crossings. Never try to cross a flowing stream, 
even a small one, on foot. To escape rising water find another route 
over higher ground.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 115 PM EDT.

&&


CTC009-021715-
/O.EXT.KOKX.FL.W.0008.210902T0550Z-210903T0324Z/
/BEAC3.3.ER.210902T0550Z.210902T1200Z.210902T1524Z.NO/
111 AM EDT Thu Sep 2 2021

...Forecast flooding increased from Moderate to Major severity and 
increased in duration until late this evening...

The Flood Warning continues for
  the Naugatuck River near Beacon Falls.
* Until late this evening.
* At 12:46 AM EDT Thursday the stage was 11.3 feet.
* Flood stage is 12.0 feet.
* Major flooding is forecast.
* Forecast...The river will rise above flood stage early this 
  morning to 14.9 feet this morning. It will then fall below flood 
  stage late this morning to 5.8 feet and begin rising again Friday 
  morning. It will rise to 6.4 feet Friday evening. It will then 
  fall to 5.9 feet and begin rising again Saturday morning. It will 
  then rise again but remain below flood stage.
* Flood History...This crest compares to a previous crest of 14.4 
  feet on 08/28/2011.

&&


               Fld   Observed           Forecasts (2 am EDT)     
Location       Stg   Stg   Day/Time     Fri   Sat   Sun          

Naugatuck River
Beacon Falls   12.0  11.3  Thu 12 am ED 6.5   6.1   MSG          





&&

LAT...LON 4130 7305 4133 7311 4158 7309 4162 7303
      4145 7302

$$

JM
154 
WGUS81 KOKX 021004
FLSOKX

Flood Statement
National Weather Service New York NY
604 AM EDT Thu Sep 2 2021

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

  Naugatuck River near Beacon Falls affecting New Haven County.

CTC009-021115-
/O.CAN.KOKX.FL.W.0008.000000T0000Z-210902T1004Z/
/BEAC3.3.ER.210902T0504Z.210902T0600Z.210902T0918Z.NO/
604 AM EDT Thu Sep 2 2021

...The Flood Warning for the Naugatuck River near Beacon Falls has 
been cancelled...

The Flood Warning is cancelled for
  the Naugatuck River near Beacon Falls.
* At 5:30 AM EDT Thursday the stage was 11.8 feet.
* Flood stage is 12.0 feet.
* Forecast...The river is expected to fall to 5.9 feet early Sunday 
  morning.

&&


               Fld   Observed           Forecasts (8 am EDT)     
Location       Stg   Stg   Day/Time     Fri   Sat   Sun          

Naugatuck River
Beacon Falls   12.0  11.8  Thu 5 am EDT 7.2   6.4   MSG          





&&

LAT...LON 4130 7305 4133 7311 4158 7309 4162 7303
      4145 7302

$$

JM

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 1, 9:25 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region65 min
Sep 1, 10:08 PM EDTFlash Flood Warning EmergencyCatastrophic damage threatOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region4 hr
Sep 1, 10:20 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region55 min
Sep 1, 11:11 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region64 min
Sep 2, 12:06 AM EDTFlash Flood Warning Considerable damage threatOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region5 hr
Sep 2, 12:13 AM EDTSevere Thunderstorm Warning Considerable damage threatOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region92 min
Sep 2, 1:06 AM EDTAreal Flood WarningOKXGreater Bridgeport Planning Region4 hr
Sep 2, 1:15 AM EDTRiver Flood WarningOKXSoutheastern Connecticut Planning Region21 hr
Sep 2, 1:19 AM EDTRiver Flood WarningOKXSoutheastern Connecticut Planning Region8 hr
Sep 2, 2:30 AM EDTAreal Flood WarningOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region8 hr
Sep 2, 5:01 AM EDTAreal Flood WarningOKXGreater Bridgeport Planning Region3 hr
Sep 2, 5:23 AM EDTAreal Flood WarningOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region19 hr
Sep 2, 10:07 AM EDTAreal Flood WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region15 hr

Nearby

River Flood Warnings in Connecticut, 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.