Alert archive / New Jersey / River Flood Warnings in 2021
River Flood Warning 44, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Sep 1, 2021, 4:33 PM EDT for Morris County, Passaic County, New Jersey. It took effect at Sep 2, 2021, 12:05 AM EDT. It was in force for 38 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2021, 4:33 PM EDT (20:33 UTC)
- In effect from
- Sep 2, 2021, 12:05 AM EDT
- Expired
- Sep 3, 2021, 2:34 PM EDT
- In force
- 38 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Moderate
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 20:37 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 5.98 ft at Sep 2, 2021, 4:00 AM EDT.
- 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.
974
WGUS41 KPHI 012033
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
433 PM EDT Wed Sep 1 2021
...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...Moderate 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.
NJC027-031-020845-
/O.NEW.KPHI.FL.W.0044.210902T0900Z-210904T1601Z/
/MCPN4.2.ER.210902T0900Z.210903T0000Z.210904T1000Z.NO/
433 PM EDT Wed Sep 1 2021
The National Weather Service in Mount Holly has issued a
* Flood Warning for
the Pequannock River Below Macopin Dam.
* From late tonight to Saturday afternoon.
* At 4:10 PM EDT Wednesday the stage was 3.6 feet.
* Flood stage is 5.5 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight to a crest of 7.2 feet tomorrow evening. It will then fall
below flood stage Saturday 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.
* Impact...At 7.5 feet, Major flooding occurs at the Main
Street/Hamburg Turnpike intersection in Butler. Additional
commercial properties are affected. Main Street in Bloomingdale,
and Van Dam Street and Brandt Lane in Bloomingdale, also
experience significant flooding.
* Flood History...This crest compares to a previous crest of 7.2
feet on 03/11/2011.
&&
Fld Observed Forecasts (2 pm EDT)
Location Stg Stg Day/Time Thu Fri Sat
Pequannock River
Macopin Dam 5.5 3.6 Wed 4 pm EDT 6.8 6.2 5.0
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Kruzdlo8 follow-up statements
825
WGUS41 KPHI 020405
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1205 AM EDT Thu Sep 2 2021
...Forecast flooding changed from Moderate to Major severity and
increased in duration for the following rivers in New Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...Major 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.
NJC027-031-021615-
/O.EXT.KPHI.FL.W.0044.210902T0405Z-210904T1800Z/
/MCPN4.3.ER.210902T0123Z.210903T0000Z.210904T1200Z.NO/
1205 AM EDT Thu Sep 2 2021
...Forecast flooding increased from Moderate to Major severity and
increased in duration until early Saturday afternoon...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* From early this morning to Saturday afternoon.
* At 11:55 PM EDT Wednesday the stage was 5.9 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and major flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 11:55 PM EDT Wednesday was 5.9 feet.
* Forecast...The river is expected to rise to a crest of 7.5 feet
this evening. It will then fall below flood stage Saturday 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.
* Impact...At 7.5 feet, Major flooding occurs at the Main
Street/Hamburg Turnpike intersection in Butler. Additional
commercial properties are affected. Main Street in Bloomingdale,
and Van Dam Street and Brandt Lane in Bloomingdale, also
experience significant flooding.
* Flood History...This crest compares to a previous crest of 7.4
feet on 08/28/2011.
&&
Fld Observed Forecasts (2 am EDT)
Location Stg Stg Day/Time Fri Sat Sun
Pequannock River
Macopin Dam 5.5 5.9 Wed 11 pm ED 7.2 5.8 MSG
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
CMS276
WGUS81 KPHI 020802
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
402 AM EDT Thu Sep 2 2021
...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...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/phi.
NJC027-031-022015-
/O.EXT.KPHI.FL.W.0044.000000T0000Z-210904T0224Z/
/MCPN4.2.ER.210902T0123Z.210902T1800Z.210903T2024Z.NO/
402 AM EDT Thu Sep 2 2021
...The Flood Warning is now in effect until late tomorrow evening...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until Friday evening.
* At 3:40 AM EDT Thursday the stage was 6.0 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 3:40 AM EDT Thursday was 6.1 feet.
* Forecast...The river is expected to rise to a crest of 6.9 feet
this afternoon. It will then fall below flood stage 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.
* Impact...At 7.5 feet, Major flooding occurs at the Main
Street/Hamburg Turnpike intersection in Butler. Additional
commercial properties are affected. Main Street in Bloomingdale,
and Van Dam Street and Brandt Lane in Bloomingdale, also
experience significant flooding.
* Flood History...This crest compares to a previous crest of 6.7
feet on 10/20/1996.
&&
Fld Observed Forecasts (2 am EDT)
Location Stg Stg Day/Time Fri Sat Sun
Pequannock River
Macopin Dam 5.5 6.0 Thu 3 am EDT 6.3 4.9 3.2
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Meola259
WGUS81 KPHI 021545
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1145 AM EDT Thu Sep 2 2021
...The Flood Warning continues for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
For the Pequannock River...including Macopin Dam...Minor flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
NJC027-031-030345-
/O.CON.KPHI.FL.W.0044.000000T0000Z-210904T0224Z/
/MCPN4.1.ER.210902T0123Z.210902T0850Z.210903T0000Z.NO/
1145 AM EDT Thu Sep 2 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until Friday evening.
* At 11:25 AM EDT Thursday the stage was 5.9 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 11:25 AM EDT Thursday was 6.1 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 3.1 feet Sunday morning.
* Impact...At 5.5 feet, Road closures begin in both Butler and
Bloomingdale due to flooding.
* Impact...At 6.5 feet, Both Main Streets in Butler and Bloomingdale
flood. Several commercial properties are also flooded. The Hamburg
Turnpike experiences significant flooding. Flooding expands to the
east side of Bloomingdale. Sloan Park is flooded.
* Flood History...This crest compares to a previous crest of 5.9
feet on 03/07/2011.
&&
Fld Observed Forecasts (2 pm EDT)
Location Stg Stg Day/Time Fri Sat Sun
Pequannock River
Macopin Dam 5.5 5.9 Thu 11 am ED 4.8 3.2 MSG
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Kruzdlo049
WGUS81 KPHI 022039
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
439 PM EDT Thu Sep 2 2021
...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.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
NJC027-031-030845-
/O.CON.KPHI.FL.W.0044.000000T0000Z-210904T0224Z/
/MCPN4.1.ER.210902T0123Z.210902T0850Z.210903T0300Z.NO/
439 PM EDT Thu Sep 2 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until Friday evening.
* At 4:25 PM EDT Thursday the stage was 6.0 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 4:25 PM EDT Thursday was 6.1 feet.
* Forecast...The river is expected to fall below flood stage late
this evening and continue falling to 3.1 feet early Sunday
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 6.0
feet on 12/25/2020.
&&
Fld Observed Forecasts (2 pm EDT)
Location Stg Stg Day/Time Fri Sat Sun
Pequannock River
Macopin Dam 5.5 6.0 Thu 4 pm EDT 4.9 3.2 3.1
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Kruzdlo534
WGUS81 KPHI 030244
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1044 PM EDT Thu Sep 2 2021
...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.
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/phi.
NJC027-031-031445-
/O.EXT.KPHI.FL.W.0044.000000T0000Z-210903T1930Z/
/MCPN4.1.ER.210902T0123Z.210902T0850Z.210903T1330Z.NO/
1044 PM EDT Thu Sep 2 2021
...The Flood Warning is now in effect until tomorrow afternoon...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until Friday afternoon.
* At 10:25 PM EDT Thursday 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 10:25 PM EDT Thursday was 6.1 feet.
* Forecast...The river is expected to fall below flood stage late
tomorrow morning and continue falling to 3.1 feet Sunday evening.
* 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 03/29/1993.
&&
Fld Observed Forecasts (8 pm EDT)
Location Stg Stg Day/Time Fri Sat Sun
Pequannock River
Macopin Dam 5.5 5.9 Thu 10 pm ED 5.0 3.5 3.1
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Meola431
WGUS81 KPHI 030940
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
540 AM EDT Fri Sep 3 2021
...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.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
NJC027-031-031900-
/O.EXT.KPHI.FL.W.0044.000000T0000Z-210903T1900Z/
/MCPN4.1.ER.210902T0123Z.210902T0850Z.210903T1300Z.NO/
540 AM EDT Fri Sep 3 2021
...The Flood Warning is now in effect until late this afternoon...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until this afternoon.
* At 5:25 AM EDT Friday the stage was 5.7 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 5:25 AM EDT Friday was 6.0 feet.
* Forecast...The river is expected to fall below flood stage late
this morning and continue falling to 3.1 feet early Monday 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 5.7
feet on 04/17/2011.
&&
Fld Observed Forecasts (8 am EDT)
Location Stg Stg Day/Time Sat Sun Mon
Pequannock River
Macopin Dam 5.5 5.7 Fri 5 am EDT 4.5 3.1 MSG
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Meola129
WGUS81 KPHI 031504
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1104 AM EDT Fri Sep 3 2021
...The Flood Warning continues for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Additional information is available at www.weather.gov/phi.
NJC027-031-031900-
/O.CON.KPHI.FL.W.0044.000000T0000Z-210903T1900Z/
/MCPN4.1.ER.210902T0123Z.210902T0850Z.210903T1608Z.NO/
1104 AM EDT Fri Sep 3 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Pequannock River Below Macopin Dam.
* Until this afternoon.
* At 10:40 AM EDT Friday the stage was 5.6 feet.
* Flood stage is 5.5 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 10:40 AM EDT Friday was 6.0 feet.
* Forecast...The river is expected to fall below flood stage this
afternoon and continue falling to 3.2 feet Monday morning.
* Impact...At 5.5 feet, Road closures begin in both Butler and
Bloomingdale due to flooding.
* Impact...At 6.5 feet, Both Main Streets in Butler and Bloomingdale
flood. Several commercial properties are also flooded. The Hamburg
Turnpike experiences significant flooding. Flooding expands to the
east side of Bloomingdale. Sloan Park is flooded.
* Flood History...This crest compares to a previous crest of 5.6
feet on 06/01/2003.
&&
Fld Observed Forecasts (2 pm EDT)
Location Stg Stg Day/Time Sat Sun Mon
Pequannock River
Macopin Dam 5.5 5.6 Fri 10 am ED 4.2 3.1 MSG
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
Kruzdlo373
WGUS81 KPHI 031834
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
234 PM EDT Fri Sep 3 2021
...The Flood Warning is cancelled for the following rivers in New
Jersey...
Pequannock River Below Macopin Dam affecting Morris and Passaic
Counties.
NJC027-031-031945-
/O.CAN.KPHI.FL.W.0044.000000T0000Z-210903T1834Z/
/MCPN4.1.ER.210902T0123Z.210902T0850Z.210903T1757Z.NO/
234 PM EDT Fri Sep 3 2021
...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 2:10 PM EDT Friday the stage was 5.49 feet.
* Flood stage is 5.5 feet.
* Forecast...The river is expected to fall to 3.2 feet Monday
morning.
&&
Fld Observed Forecasts (2 pm EDT)
Location Stg Stg Day/Time Sat Sun Mon
Pequannock River
Macopin Dam 5.5 5.5 Fri 2 pm EDT 4.2 3.1 MSG
&&
LAT...LON 4101 7430 4101 7428 4097 7430 4097 7433
4099 7441 4104 7438
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 3:23 AM EDT | Gale Warning | PHI | 32 hr | |
| Sep 1, 3:23 AM EDT | Small Craft Advisory | PHI | 41 hr | |
| Sep 1, 4:34 AM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 39 hr |
| Sep 1, 7:58 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 47 min |
| Sep 1, 8:39 AM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 39 min |
| Sep 1, 9:11 AM EDT | Special Marine Warning | PHI | 64 min | |
| Sep 1, 11:24 AM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Sep 1, 4:04 PM EDT | Areal Flood Warning | PHI | Warren | 24 hr |
| Sep 1, 4:12 PM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 7 hr |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Morris, Somerset | 6 days |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 8 days |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 6 days |
| Sep 1, 4:27 PM EDT | River Flood Warning | PHI | Essex, Passaic | 21 days |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 36 hr |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Somerset | 22 hr |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 42 hr |
| Sep 1, 4:40 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 48 hr |
| Sep 1, 4:41 PM EDT | River Flood Warning | PHI | Somerset | 61 hr |
| Sep 1, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 47 min |
| Sep 1, 5:26 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 9 hr |
| Sep 1, 5:33 PM EDT | Special Marine Warning | PHI | 27 min | |
| Sep 1, 5:34 PM EDT | Tornado Warning | PHI | Mercer | 26 min |
| Sep 1, 5:35 PM EDT | Tornado Warning | PHI | Cumberland, Salem | 25 min |
| Sep 1, 5:42 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset, Warren | 10 hr |
| Sep 1, 5:57 PM EDT | Tornado Warning | PHI | Gloucester, Salem | 33 min |
| Sep 1, 5:57 PM EDT | Tornado Warning | PHI | Hunterdon, Mercer, Somerset | 33 min |
| Sep 1, 6:05 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 10 hr |
| Sep 1, 6:08 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 6 hr |
| Sep 1, 6:14 PM EDT | Special Marine Warning | PHI | 61 min | |
| Sep 1, 6:20 PM EDT | Tornado Warning | PHI | Hunterdon, Mercer, Somerset | 40 min |
| Sep 1, 6:22 PM EDT | Tornado Warning | PHI | Burlington, Camden, Gloucester | 23 min |
| Sep 1, 6:42 PM EDT | Tornado Warning | PHI | Burlington, Camden | 33 min |
| Sep 1, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset | 61 min |
| Sep 1, 7:04 PM EDT | Tornado Warning | PHI | Burlington, Mercer | 26 min |
| Sep 1, 7:22 PM EDT | Tornado Warning | PHI | Hunterdon, Mercer | 11 min |
| Sep 1, 7:28 PM EDT | Tornado Warning | PHI | Mercer, Middlesex, Morris, Somerset | 47 min |
| Sep 1, 7:31 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Somerset | 4 hr |
| Sep 1, 7:44 PM EDT | Special Marine Warning | PHI | 61 min |
Nearby
River Flood Warnings in New Jersey, 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.