Alert archive / New Jersey / River Flood Warnings in 2018

River Flood Warning 11, NWS Philadelphia/Mount Holly

April 16, 2018Middlesex County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 16, 2018, 9:37 PM EDT for Middlesex County, Somerset County, New Jersey. It took effect at Apr 16, 2018, 10:00 PM EDT. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 16, 2018, 9:37 PM EDT (01:37 UTC)
In effect from: Apr 16, 2018, 10:00 PM EDT
Expired: Apr 17, 2018, 4:00 AM EDT
In force: 6 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

Counties Middlesex County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 01:42 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 Raritan River at Manville (MNVN4). The gauge peaked at 14.11 ft at Apr 16, 2018, 11:00 PM EDT.

Action stage: 12 ft
Minor stage: 14 ft
Moderate stage: 17 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01400500, 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.

821 
WGUS41 KPHI 170137
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
937 PM EDT Mon Apr 16 2018

...The National Weather Service in Mount Holly NJ has issued a flood 
warning for the following rivers in New Jersey...

  Raritan River At Manville affecting Middlesex and Somerset 
  Counties
  Raritan River At Bound Brook affecting Middlesex and Somerset 
  Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. The 
water may be deeper than you think.

&&

NJC023-035-170737-
/O.NEW.KPHI.FL.W.0011.180417T0200Z-180417T0800Z/
/MNVN4.1.ER.180417T0200Z.180417T0200Z.180417T0200Z.NO/
937 PM EDT Mon Apr 16 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Raritan River at Manville.
* until late tonight...Or until the warning is cancelled.
* At  9:15 PM Monday the stage was 13.8 feet.
* Flood stage is 14.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to near flood stage 
  tonight.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Raritan River
  Manville               14.0   13.83  Mon 9 PM    14.0    Mon 10 PM
 
&&
 
LAT...LON 4058 7464 4057 7456 4052 7456 4054 7471
                                      

$$

NJC023-035-170737-
/O.NEW.KPHI.FL.W.0012.180417T0418Z-180417T1255Z/
/BDKN4.1.ER.180417T0418Z.180417T0600Z.180417T0655Z.NO/
937 PM EDT Mon Apr 16 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Raritan River at Bound Brook.
* until Tuesday morning...Or until the warning is cancelled.
* At  9:30 PM Monday the stage was 27.7 feet.
* Flood stage is 28.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by after midnight tonight and 
  will continue to rise to near 28.2 feet by after midnight tonight. 
  The river will fall below flood stage by after midnight tonight.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Raritan River
  Bound Brook            28.0   27.67  Mon 9 PM    28.2    Tue 2 AM 
 
&&
 
LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456             

$$

MPS

2 follow-up statements

839 
WGUS81 KPHI 170422
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1222 AM EDT Tue Apr 17 2018

...The Flood Warning continues for the main stem Raritan
River...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think it is.

&&

NJC023-035-171002-
/O.EXT.KPHI.FL.W.0011.000000T0000Z-180417T1002Z/
/MNVN4.1.ER.180417T0157Z.180417T0315Z.180417T0402Z.NO/
1222 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Raritan River at Manville.
* At 12:00 AM Tuesday the river level was 14.02 feet.
* Flood stage is 14.0 feet.
* Minor flooding is occurring.
* Forecast...The river level will continue to fall and it
  should return back below flood stage overnight.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Raritan River
  Manville               14.0   14.02  Tue 1200 AM  Crested 
 
&&
 
LAT...LON 4058 7464 4057 7456 4052 7456 4054 7471
                                      

$$

NJC023-035-171230-
/O.EXT.KPHI.FL.W.0012.180417T0415Z-180417T1230Z/
/BDKN4.1.ER.180417T0329Z.180417T0600Z.180417T0630Z.NO/
1222 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Raritan River at Bound Brook.
* until Tuesday morning.
* At 12:00 PM Tuesday the river level was 28.07 feet.
* Flood stage is 28.0 feet.
* Minor flooding is occurring and is forecast to continue.
* Forecast...The river level will continue rising overnight to
  near 28.1 feet. It should then fall back below flood stage 
  early on Tuesday morning.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Raritan River
  Bound Brook           28.0   28.07  Tue 1200 AM   28.1  Tue 2 AM 
 
&&
 
LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456             

$$

Iovino

863 
WGUS81 KPHI 170658
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
258 AM EDT Tue Apr 17 2018

...The Flood Warning is cancelled for the Raritan River...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think it is.

&&

NJC023-035-170728-
/O.CAN.KPHI.FL.W.0011.000000T0000Z-180417T1002Z/
/MNVN4.1.ER.180417T0157Z.180417T0315Z.180417T0404Z.NO/
258 AM EDT Tue Apr 17 2018

The Flood Warning is cancelled for
  The Raritan River at Manville.
* At 2:45 AM, the river level was 12.6 feet.
* Flood stage is 14.0 feet.
* The river level fell below flood stage at 12:04 AM.
* Forecast...The river level will continue to fall.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Raritan River
  Manville               14.0   12.60  Tue 245 AM  Crested 
 
&&
 
LAT...LON 4058 7464 4057 7456 4052 7456 4054 7471
                                      

$$

NJC023-035-170728-
/O.CAN.KPHI.FL.W.0012.000000T0000Z-180417T1230Z/
/BDKN4.N.ER.180417T0329Z.000000T0000Z.000000T0000Z.NO/
258 AM EDT Tue Apr 17 2018

The Flood Warning is cancelled for
  The Raritan River at Bound Brook.
* At 2:45 AM, the river level was 27.7 feet.
* Flood stage is 28.0 feet.
* Forecast...The river level will continue to fall.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Raritan River
  Bound Brook            28.0   27.70  Tue 245 AM  Crested
 
&&
 
LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456             

$$

Iovino

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 16, 9:35 PM EDT	River Flood Warning	PHI	Morris	19 hr
Apr 16, 9:37 PM EDT	River Flood Warning	PHI	Middlesex, Somerset	11 hr
Apr 17, 10:37 AM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	59 hr
Apr 17, 2:36 PM EDT	Freeze Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more	17 hr

Nearby

River Flood Warnings in New Jersey, 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.