Alert archive / New Jersey / River Flood Warnings in 2020
River Flood Warning 64, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 25, 2020, 7:25 AM EST for Morris County, Passaic County, New Jersey. It took effect at Dec 25, 2020, 3:00 PM EST. It was in force for 30 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 25, 2020, 7:25 AM EST (12:25 UTC)
- In effect from
- Dec 25, 2020, 3:00 PM EST
- Expired
- Dec 26, 2020, 8:32 PM EST
- In force
- 30 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Morris County, NJ, Passaic County, NJ
The radar
The Philadelphia radar (KDIX), 117 km from the middle of the area, began a volume at 12:29 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 Pequannock River at Macopin (MCPN4). The gauge peaked at 5.95 ft at Dec 25, 2020, 9:00 PM EST.
- Action stage
- 5 ft
- Minor stage
- 5.5 ft
- Moderate stage
- 6.5 ft
- Major stage
- 7.5 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01382500, 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.
578
WGUS41 KPHI 251225
FLWPHI
BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
725 AM EST Fri Dec 25 2020
...The National Weather Service in Mount Holly NJ has issued a Flood
Warning for the following rivers in New Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...Minor flooding is
forecast.
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/phi.
NJC027-031-260030-
/O.NEW.KPHI.FL.W.0064.201225T2000Z-201227T0000Z/
/MCPN4.1.ER.201225T2000Z.201226T0600Z.201226T1800Z.NO/
725 AM EST Fri Dec 25 2020
The National Weather Service in Mount Holly has issued a
* Flood Warning for
the Pequannock River Below Macopin Dam.
* From this afternoon to Saturday evening.
* At 7:10 AM EST Friday the stage was 5.4 feet.
* Flood stage is 5.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
afternoon to a crest of 5.8 feet just after midnight tonight. It
will then fall below flood stage early tomorrow afternoon.
* Impact at 5.5 feet...Road closures begin in both Butler and
Bloomingdale due to flooding. Impact at 6.5 feet...Both Main
Streets in Butler and Bloomingdale flood. Several commercial
properties are also flooded. The Hamburg Turnpike experiences
significant flooding. Flooding expands to the east side of
Bloomingdale. Sloan Park is flooded.
* Flood History...This crest compares to a previous crest of 5.8
feet on 12/12/2003.
&&
Stream Fld Observed Fcsts (7 am) Crest
Location Stg Stg Day/Time Sat Sun Stg Time Date
Pequannock River
Macopin Dam 5.5 5.4 Fri 7 am 5.7 4.9 5.8 1am 12/26
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
CMS6 follow-up statements
312
WGUS81 KPHI 251841
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
141 PM EST Fri Dec 25 2020
...The Flood Warning continues for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
NJC027-031-260645-
/O.CON.KPHI.FL.W.0064.201225T2000Z-201227T0000Z/
/MCPN4.1.ER.201225T1330Z.201226T0000Z.201226T1800Z.NO/
141 PM EST Fri Dec 25 2020
...The Flood Warning remains in effect...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until Saturday evening.
* At 1:25 PM EST Friday the stage was 5.9 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 1:25 PM EST Friday was 5.9 feet.
* Forecast...The river is expected to rise to a crest of 5.9 feet
this evening. It will then fall below flood stage early tomorrow
afternoon.
* Impact at 5.5 feet...Road closures begin in both Butler and
Bloomingdale due to flooding. Impact at 6.5 feet...Both Main
Streets in Butler and Bloomingdale flood. Several commercial
properties are also flooded. The Hamburg Turnpike experiences
significant flooding. Flooding expands to the east side of
Bloomingdale. Sloan Park is flooded.
* Flood History...This crest compares to a previous crest of 5.9
feet on 03/07/2011.
&&
Stream Fld Observed Fcsts (1 pm) Crest
Location Stg Stg Day/Time Sat Sun Stg Time Date
Pequannock River
Macopin Dam 5.5 5.9 Fri 1 pm 5.5 4.7 5.9 7pm 12/25
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Kruzdlo748
WGUS81 KPHI 252323
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
623 PM EST Fri Dec 25 2020
...The Flood Warning continues for the following river in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...minor flooding is
occurring.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/phi.
NJC027-031-261130-
/O.CON.KPHI.FL.W.0064.000000T0000Z-201227T0000Z/
/MCPN4.1.ER.201225T1330Z.201225T2305Z.201226T1800Z.NO/
623 PM EST Fri Dec 25 2020
...The Flood Warning remains in effect...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until Saturday evening.
* At 6:10 PM EST Friday the stage was 5.9 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:10 PM EST Friday was 5.9 feet.
* Forecast...The river is expected to fall below flood stage early
on Saturday afternoon.
* Impact at 5.5 feet...Road closures occur in both Butler and
Bloomingdale due to flooding.
* Flood History...This crest compares to a previous crest of 5.9
feet on 03/07/2011.
&&
Stream Fld Observed Fcsts (7 pm) Crest
Location Stg Stg Day/Time Sat Sun Stg Time Date
Pequannock River
Macopin Dam 5.5 5.9 Fri 6 pm 5.3 4.3 Cresting
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Iovino160
WGUS81 KPHI 260857
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
357 AM EST Sat Dec 26 2020
...The Flood Warning continues for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/phi.
NJC027-031-262100-
/O.CON.KPHI.FL.W.0064.000000T0000Z-201227T0000Z/
/MCPN4.1.ER.201225T1330Z.201226T0210Z.201226T2100Z.NO/
357 AM EST Sat Dec 26 2020
...The Flood Warning remains in effect...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until this evening.
* At 3:40 AM EST Saturday the stage was 5.8 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 3:40 AM EST Saturday was 6.0 feet.
* Forecast...The river has crested. It is expected to fall below
flood stage late this afternoon and continue falling to 3.9 feet
early Tuesday morning.
* Impact at 5.5 feet...Road closures begin in both Butler and
Bloomingdale due to flooding.
* Flood History...This crest compares to a previous crest of 5.8
feet on 03/29/1993.
&&
Stream Fld Observed Fcsts (1 am) Crest
Location Stg Stg Day/Time Sun Mon Stg Time Date
Pequannock River
Macopin Dam 5.5 5.8 Sat 3 am 5.2 4.2 Crested
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
CMS524
WGUS81 KPHI 261519
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1019 AM EST Sat Dec 26 2020
...The Flood Warning is extended for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/phi.
NJC027-031-270300-
/O.EXT.KPHI.FL.W.0064.000000T0000Z-201227T0300Z/
/MCPN4.1.ER.201225T1330Z.201226T0210Z.201226T2100Z.NO/
1019 AM EST Sat Dec 26 2020
...The Flood Warning is now in effect until late this evening...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until this evening.
* At 9:55 AM EST Saturday the stage was 5.8 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:55 AM EST Saturday was 6.0 feet.
* Forecast...The river is expected to fall below flood stage late
this afternoon and continue falling to 3.8 feet Tuesday morning.
* Impact at 5.5 feet...Road closures begin in both Butler and
Bloomingdale due to flooding. Impact at 6.5 feet...Both Main
Streets in Butler and Bloomingdale flood. Several commercial
properties are also flooded. The Hamburg Turnpike experiences
significant flooding. Flooding expands to the east side of
Bloomingdale. Sloan Park is flooded.
* Flood History...This crest compares to a previous crest of 5.8
feet on 12/12/2003.
&&
Stream Fld Observed Fcsts (1 pm) Crest
Location Stg Stg Day/Time Sun Mon Stg Time Date
Pequannock River
Macopin Dam 5.5 5.8 Sat 9 am 4.8 4.0 Crested
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Kruzdlo985
WGUS81 KPHI 262023
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
323 PM EST Sat Dec 26 2020
...The Flood Warning is extended for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/phi.
NJC027-031-270600-
/O.EXT.KPHI.FL.W.0064.000000T0000Z-201227T0600Z/
/MCPN4.1.ER.201225T1330Z.201226T0210Z.201227T0000Z.NO/
323 PM EST Sat Dec 26 2020
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until late tonight.
* At 3:10 PM EST Saturday the stage was 5.6 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 3:10 PM EST Saturday was 6.0 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 3.8 feet early Tuesday afternoon.
* Impact at 5.5 feet...Road closures begin in both Butler and
Bloomingdale due to flooding. Impact at 6.5 feet...Both Main
Streets in Butler and Bloomingdale flood. Several commercial
properties are also flooded. The Hamburg Turnpike experiences
significant flooding. Flooding expands to the east side of
Bloomingdale. Sloan Park is flooded.
* Flood History...This crest compares to a previous crest of 5.6
feet on 03/31/2010.
&&
Stream Fld Observed Fcsts (1 pm) Crest
Location Stg Stg Day/Time Sun Mon Stg Time Date
Pequannock River
Macopin Dam 5.5 5.6 Sat 3 pm 4.8 4.0 Crested
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Kruzdlo291
WGUS81 KPHI 270132
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
832 PM EST Sat Dec 26 2020
...The Flood Warning is cancelled for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
NJC027-031-270245-
/O.CAN.KPHI.FL.W.0064.000000T0000Z-201227T0132Z/
/MCPN4.1.ER.201225T1330Z.201226T0210Z.201227T0000Z.NO/
832 PM EST Sat Dec 26 2020
...The Flood Warning for the Pequannock River Below Macopin Dam has
been cancelled...
The Flood Warning is cancelled for
the Pequannock River Below Macopin Dam.
* At 8:10 PM EST Saturday the stage was 5.4 feet.
* Flood stage is 5.5 feet.
* Forecast...The river is expected to continue to fall to 3.8 feet
early Tuesday afternoon.
&&
Stream Fld Observed Fcsts (7 PM) Crest
Location Stg Stg Day/Time Sun Mon Stg Time Date
Pequannock River
Macopin Dam 5.5 5.4 Sat 8 PM 4.6 3.9 Crested
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
BAHThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 8:39 PM EST | Areal Flood Advisory | PHI | Cumberland, Gloucester, Salem | 6 hr |
| Dec 24, 9:08 PM EST | Coastal Flood Advisory | PHI | Burlington, Camden | 14 hr |
| Dec 24, 9:16 PM EST | Areal Flood Advisory | PHI | Hunterdon, Warren | 3 hr |
| Dec 24, 9:38 PM EST | Areal Flood Warning | PHI | Camden | 14 hr |
| Dec 24, 11:10 PM EST | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Dec 24, 11:48 PM EST | Areal Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset, Warren | 15 hr |
| Dec 25, 12:00 AM EST | Areal Flood Warning | PHI | Middlesex, Somerset | 6 hr |
| Dec 25, 12:03 AM EST | Coastal Flood Statement | PHI | Ocean | 12 hr |
| Dec 25, 1:37 AM EST | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 10 hr |
| Dec 25, 1:56 AM EST | Areal Flood Warning | PHI | Burlington, Camden | 7 hr |
| Dec 25, 2:05 AM EST | River Flood Warning | PHI | Hunterdon, Somerset | 4 hr |
| Dec 25, 3:22 AM EST | Gale Warning | PHI | 6 hr | |
| Dec 25, 3:22 AM EST | Small Craft Advisory | PHI | 51 hr | |
| Dec 25, 5:43 AM EST | Areal Flood Advisory | PHI | Mercer, Middlesex, Somerset | 3 hr |
| Dec 25, 11:27 AM EST | Areal Flood Warning | PHI | Sussex, Warren | 16 hr |
| Dec 25, 12:17 PM EST | River Flood Warning | PHI | Middlesex, Somerset | 9 hr |
| Dec 25, 12:53 PM EST | Coastal Flood Statement | PHI | Burlington, Ocean | 4 hr |
| Dec 25, 2:11 PM EST | River Flood Warning | PHI | Middlesex, Somerset | 7 hr |
| Dec 25, 2:12 PM EST | River Flood Warning | PHI | Somerset | 20 hr |
| Dec 25, 2:26 PM EST | River Flood Warning | PHI | Hunterdon, Somerset | 3 hr |
| Dec 25, 6:25 PM EST | River Flood Warning | PHI | Morris | 21 hr |
Nearby
River Flood Warnings in New Jersey, 2020Every river flood warning in 2020
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.