Alert archive / New Jersey / River Flood Warnings in 2018

River Flood Warning 10, NWS Philadelphia/Mount Holly

April 16, 2018Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 16, 2018, 9:35 PM EDT for Morris County, New Jersey. It took effect at Apr 17, 2018, 2:00 AM EDT. It was in force for 15 hr.

The area

The outline as issued.

The facts

Issued: Apr 16, 2018, 9:35 PM EDT (01:35 UTC)
In effect from: Apr 17, 2018, 2:00 AM EDT
Expired: Apr 17, 2018, 5:03 PM EDT
In force: 15 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 103 km from the middle of the area, began a volume at 01:32 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 Rockaway River at Boonton below reservoir (BONN4). The gauge peaked at 5.28 ft at Apr 17, 2018, 7:00 AM EDT.

Action stage: 4.5 ft
Minor stage: 5 ft
Moderate stage: 7 ft
Major stage: 8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01381000, 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.

656 
WGUS41 KPHI 170135
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
935 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...

  Rockaway River At Boonton Below Resvr affecting Morris County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-170734-
/O.NEW.KPHI.FL.W.0010.180417T0600Z-180417T1200Z/
/BONN4.1.ER.180417T0600Z.180417T0600Z.180417T0600Z.NO/
935 PM EDT Mon Apr 16 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Rockaway River at Boonton Below Resvr.
* from late tonight to Tuesday morning...Or until the warning is cancelled.
* At  9:30 PM Monday the stage was 4.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to near flood stage after 
  midnight tonight.

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Rockaway River
  Boonton Below Resvr    5.0    4.64  Mon 9 PM     5.0    Tue 2 AM 
 
&&
 
LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436
                                      

$$

MPS

4 follow-up statements

687 
WGUS81 KPHI 170414
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1214 AM EDT Tue Apr 17 2018

...The Flood Warning continues for the Rockaway River...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-171200-
/O.CON.KPHI.FL.W.0010.180417T0600Z-180417T1200Z/
/BONN4.1.ER.180417T0600Z.180417T0600Z.180417T0600Z.NO/
1214 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Rockaway River at Boonton Below the Reservoir.
* until Tuesday morning.
* At 12:00 AM Tuesday the river level was 4.97 feet.
* Flood stage is 5.0 feet.
* Forecast...The river is expected to crest just above flood
  stage overnight.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Rockaway River
  Boonton Below Resvr    5.0    4.97  Tue 1200 AM   5.0    Tue 2 AM 
 
&&
 
LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436
                                      

$$

Iovino

206 
WGUS81 KPHI 170821
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
420 AM EDT Tue Apr 17 2018

...The Flood Warning continues for the Rockaway River...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-171820-
/O.EXT.KPHI.FL.W.0010.000000T0000Z-180418T0300Z/
/BONN4.1.ER.180417T0430Z.180417T1200Z.180417T2100Z.NO/
420 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Rockaway River at Boonton Below the Reservoir.
* At 4:00 AM, the river level was 5.24 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and is forecast to continue.
* Forecast...The river is forecast to crest early this morning 
  around 5.3 feet. The river level should fall back below flood
  stage late this afternoon.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Rockaway River
  Boonton Below Resvr    5.0    5.24  Tue 400 AM    5.3   Tue 8 AM 
 
&&
 
LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436
                                      

$$

Iovino

815 
WGUS81 KPHI 171445
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1045 AM EDT Tue Apr 17 2018

...The Flood Warning continues for the following rivers in
   New Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris
  County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-180045-
/O.EXT.KPHI.FL.W.0010.000000T0000Z-180418T0100Z/
/BONN4.1.ER.180417T0430Z.180417T1115Z.180417T1900Z.NO/
1045 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Rockaway River at Boonton Below Resvr.
* At 10:30 AM Tuesday the stage was 5.2 feet.
* Flood stage is 5.0 feet.
* Forecast...The river will fall below flood stage by late
  this afternoon.


 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Rockaway River
  Boonton Below Resvr    5.0    5.18  Tue 10 AM    Crested and falling 
 
&&
 
LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436
                                      

$$

Kruzdlo

075 
WGUS81 KPHI 172103
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
503 PM EDT Tue Apr 17 2018

...The Flood Warning is cancelled for the following rivers in 
New Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris 
  County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-172133-
/O.CAN.KPHI.FL.W.0010.000000T0000Z-180418T0100Z/
/BONN4.1.ER.180417T0430Z.180417T1115Z.180417T1830Z.NO/
503 PM EDT Tue Apr 17 2018

The Flood Warning is cancelled for
  The Rockaway River at Boonton Below Resvr.
* At  4:45 PM Tuesday the stage was 4.8 feet.
* Flood stage is 5.0 feet.
* Fell below flood stage at  2:30 PM Tuesday.
* Forecast...The river will continue to fall to 4.4 feet by 
  Wednesday morning.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Rockaway River
  Boonton Below Resvr    5.0    4.84  Tue 5 PM     Crested and falling
 
&&
 
LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436
                                      

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 9:37 PM EDT	River Flood Warning	PHI	Middlesex, Somerset	6 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.