Alert archive / Connecticut / River Flood Warnings in 2018

River Flood Warning 13, NWS Albany, NY

April 16, 2018Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut

NWS Albany, NY issued this river flood warning at Apr 16, 2018, 2:30 PM EDT for Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut. It took effect at Apr 16, 2018, 7:03 PM EDT. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Apr 16, 2018, 2:30 PM EDT (18:30 UTC)
In effect from: Apr 16, 2018, 7:03 PM EDT
Expired: Apr 16, 2018, 11:43 PM EDT
In force: 5 hr
Issued by: NWS Albany, NY
Area: Storm-based polygon
Flood severity: Minor

Counties Greater Bridgeport Planning Region, CT, Naugatuck Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 63 km from the middle of the area, began a volume at 18:28 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 Housatonic River at Stevenson (STVC3). The gauge peaked at 11.33 ft at Apr 16, 2018, 4:00 PM EDT.

Action stage: 8 ft
Minor stage: 11 ft
Moderate stage: 15 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01205500, 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.

010 
WGUS41 KALY 161830
FLWALY


BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Albany NY
230 PM EDT Mon Apr 16 2018

CTC001-009-170630-
/O.NEW.KALY.FL.W.0013.180416T2303Z-000000T0000Z/
/STVC3.1.ER.180416T2303Z.180417T0000Z.000000T0000Z.NO/
230 PM EDT Mon Apr 16 2018

The National Weather Service in Albany has issued a 

* Flood Warning for 
  The Housatonic River At Stevenson Dam.
* From this evening until further notice.
* At  1 PM Monday the stage was...10.4 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...The river is forecast to rise above flood stage by  7 PM
  Monday and continue to rise to near   11.1 feet by  8 PM Monday.
* Impact...At 11.0 feet...Flood stage.

&& 
 
                  Fld   Observed              Forecast
                                       8 pm  2 am  8 am  2 pm  8 pm
Location         Stg   Stg  Day Time   Mon   Tue   Tue   Tue   Tue

Housatonic River
  Stevenson Da  11.0   10.4 Mon 01 PM  11.1  11.1  11.1  11.1  11.1
 
&& 
 
LAT...LON 4138 7304 4127 7315 4139 7335 4151 7326
                                      

$$

2 follow-up statements

907 
WGUS81 KALY 170041
FLSALY


Flood Statement
National Weather Service Albany NY
841 PM EDT Mon Apr 16 2018

CTC001-009-171241-
/O.CON.KALY.FL.W.0013.000000T0000Z-000000T0000Z/
/STVC3.1.ER.180416T1825Z.180416T2015Z.000000T0000Z.NO/
841 PM EDT Mon Apr 16 2018

The Flood Warning continues for
  The Housatonic River At Stevenson Dam.
* Until further notice.
* At 7 PM Monday the stage was 11.1 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Impact...At 11.0 feet...Flood stage.

&& 
 
                  Fld   Observed              Forecast
                                       2 am  8 am  2 pm  8 pm  2 am
Location         Stg   Stg  Day Time   Tue   Tue   Tue   Tue   Wed

Housatonic River
  Stevenson Da  11.0   11.1 Mon 07 PM  11.1  11.1  11.1  11.1  11.1
 
&& 
 
LAT...LON 4138 7304 4127 7315 4139 7335 4151 7326
                                      

$$

622 
WGUS81 KALY 170343
FLSALY


Flood Statement
National Weather Service Albany NY
1143 PM EDT Mon Apr 16 2018

CTC001-009-170413-
/O.CAN.KALY.FL.W.0013.000000T0000Z-180417T0343Z/
/STVC3.1.ER.180416T1825Z.180416T2015Z.180417T0108Z.NO/
1143 PM EDT Mon Apr 16 2018

The Flood Warning is cancelled for
  The Housatonic River At Stevenson Dam.
* At 11 PM Monday the stage was 10.6 feet.
* Flood stage is 11 feet.
* Impact...At 11 feet...Flood stage.

&& 
 
                  Fld   Observed              Forecast
                                       2 am  8 am  2 pm  8 pm  2 am
Location         Stg   Stg  Day Time   Tue   Tue   Tue   Tue   Wed

Housatonic River
  Stevenson Da  11.0   10.6 Mon 11 PM  10.2  10.2  10.2  10.1  10.1
 
&& 
 
LAT...LON 4138 7304 4127 7315 4139 7335 4151 7326
                                      

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 5:28 PM EDT	River Flood Warning	ALY	Greater Bridgeport Planning Region, Northwest Hills Planning Region	23 hr

Nearby

River Flood Warnings in Connecticut, 2018 Every river flood warning in 2018

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.