Alert archive / New Jersey / River Flood Warnings in 2022
River Flood Warning 13, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Apr 8, 2022, 5:53 AM EDT for Somerset County, New Jersey. It was in force for 23 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2022, 5:53 AM EDT (09:53 UTC)
- Expired
- Apr 9, 2022, 4:47 AM EDT
- In force
- 23 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Moderate
County Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 09:55 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 Millstone River at Blackwells Mills (BKWN4). The gauge peaked at 10.84 ft at Apr 8, 2022, 3:00 PM EDT.
- Action stage
- 7 ft
- Minor stage
- 9 ft
- Moderate stage
- 10 ft
- Major stage
- 15 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01402000, 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.
237
WGUS41 KPHI 080953
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
553 AM EDT Fri Apr 8 2022
...The National Weather Service in Mount Holly NJ has issued a Flood
Warning for the following rivers in New Jersey...
Millstone River At Blackwells Mills affecting Somerset County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
Additional information is available at www.weather.gov/phi.
The next statement will be issued this evening by 600 PM EDT.
&&
NJC035-082200-
/O.NEW.KPHI.FL.W.0013.220408T0953Z-220409T1500Z/
/BKWN4.2.ER.220408T0812Z.220408T1800Z.220409T0900Z.NO/
553 AM EDT Fri Apr 8 2022
...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING TO LATE TOMORROW
MORNING...
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Millstone River At Blackwells Mills.
* WHEN...From early this morning to late tomorrow morning.
* IMPACTS...At 6.0 feet, The Griggstown Causeway is closed due to
flooding.
At 7.0 feet, Several more causeways are closed due to flooding.
At 9.0 feet, Flood stage reached with flooding now along River
Road in Blackwells Mills and S. River Street in Millstone. Base of
Route 533 bridge floods. River Road between Yorktown and Amsterdam
is subject to closure. Canal Road near Suydam Road floods.
At 10.0 feet, The D&R Canal is flooded by the Millstone River.
* ADDITIONAL DETAILS...
- At 5:15 AM EDT Friday the stage was 9.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 5:15 AM EDT Friday was 9.5 feet.
- Forecast...The river is expected to rise to a crest of 10.2
feet this afternoon. It will then fall below flood stage late
tonight.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
10.5 feet on 03/22/1999.
- http://www.weather.gov/safety/flood
&&
Stream Fld Observed Fcsts (8 am) Crest
Location Stg Stg Day/Time Sat Sun Stg Time Date
Millstone River
Blackwells Mill 9.0 9.5 Fri 5 am 8.6 5.3 10.2 2pm 4/08
&&
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
4046 7454 4043 7456
$$
Davis2 follow-up statements
577
WGUS81 KPHI 082156
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
556 PM EDT Fri Apr 8 2022
...The Flood Warning continues for the following rivers in New
Jersey...
Millstone River At Blackwells Mills affecting Somerset County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
Additional information is available at www.weather.gov/phi.
The next statement will be issued Saturday morning at 700 AM EDT.
&&
NJC035-091000-
/O.EXT.KPHI.FL.W.0013.000000T0000Z-220409T1100Z/
/BKWN4.2.ER.220408T0812Z.220408T1800Z.220409T0900Z.NO/
556 PM EDT Fri Apr 8 2022
...FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY MORNING...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Millstone River At Blackwells Mills.
* WHEN...Until Saturday morning.
* IMPACTS...At 6.0 feet, The Griggstown Causeway is closed due to
flooding.
At 7.0 feet, Several more causeways are closed due to flooding.
At 9.0 feet, Flood stage reached with flooding now along River
Road in Blackwells Mills and S. River Street in Millstone. Base of
Route 533 bridge floods. River Road between Yorktown and Amsterdam
is subject to closure. Canal Road near Suydam Road floods.
At 10.0 feet, The D&R Canal is flooded by the Millstone River.
* ADDITIONAL DETAILS...
- At 5:15 AM EDT Friday the stage was 9.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 5:45 PM EDT Friday was 10.8 feet. The river stage
has crested and is beginning to fall.
- Forecast...The river is expected to continue falling
overnight. It will then fall below flood stage early Saturday
morning.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
10.5 feet on 03/22/1999.
- http://www.weather.gov/safety/flood
&&
Stream Fld Observed Fcsts (8 pm) Crest
Location Stg Stg Day/Time Sat Sun Stg Time Date
Millstone River
Blackwells Mill 9.0 10.8 Fri 5 pm 7.6 4.5 10.8 2pm 4/08
&&
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
4046 7454 4043 7456
$$
Staarmann015
WGUS81 KPHI 090847
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
447 AM EDT Sat Apr 9 2022
...The Flood Warning is cancelled for the following rivers in New
Jersey...
Millstone River At Blackwells Mills affecting Somerset County.
NJC035-091000-
/O.CAN.KPHI.FL.W.0013.000000T0000Z-220409T0847Z/
/BKWN4.2.ER.220408T0812Z.220408T1930Z.220409T0755Z.NO/
447 AM EDT Sat Apr 9 2022
...FLOOD WARNING IS CANCELLED...
The Flood Warning is cancelled for
the Millstone River At Blackwells Mills.
* ADDITIONAL DETAILS...
- At 4:15 AM EDT Saturday the stage was 8.9 feet.
- The Millstone River crested at 10.84 feet around 2:30 pm
Friday afternoon and then fell below minor flood stage at 4
am Saturday.
- Forecast...The river is expected to fall to 3.1 feet early
Tuesday morning.
- http://www.weather.gov/safety/flood
&&
Stream Fld Observed Fcsts (2 am) Crest
Location Stg Stg Day/Time Sun Mon Stg Time Date
Millstone River
Blackwells Mill 9.0 8.9 Sat 4 am 7.4 4.9 MSG unknown
&&
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
4046 7454 4043 7456
$$
DavisThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 8:20 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 3 hr |
| Apr 7, 8:46 PM EDT | Areal Flood Advisory | PHI | Middlesex, Morris, Somerset | 3 hr |
| Apr 7, 9:29 PM EDT | Areal Flood Warning | PHI | Somerset | 4 hr |
| Apr 7, 9:37 PM EDT | Areal Flood Warning | PHI | Morris | 11 hr |
| Apr 7, 10:55 PM EDT | Areal Flood Warning | PHI | Warren | 57 hr |
| Apr 7, 10:57 PM EDT | River Flood Warning | PHI | Morris, Passaic | 35 hr |
| Apr 7, 11:02 PM EDT | River Flood Warning | PHI | Morris | 63 hr |
| Apr 7, 11:08 PM EDT | River Flood Warning | PHI | Somerset | 15 hr |
| Apr 7, 11:10 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 23 hr |
| Apr 7, 11:11 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 20 hr |
| Apr 7, 11:23 PM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 14 hr |
| Apr 8, 12:17 AM EDT | River Flood Warning | PHI | Bergen, Morris, Passaic | 12 hr |
| Apr 8, 12:18 AM EDT | River Flood Warning | PHI | Morris, Passaic | 18 hr |
| Apr 8, 3:29 AM EDT | Areal Flood Warning | PHI | Sussex, Warren | 19 hr |
| Apr 8, 10:29 AM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 5 days |
| Apr 8, 10:29 AM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 4 days |
| Apr 8, 10:29 AM EDT | River Flood Warning | PHI | Essex, Passaic | 3 days |
| Apr 8, 12:08 PM EDT | River Flood Warning | PHI | Sussex, Warren | 17 hr |
| Apr 8, 1:37 PM EDT | Areal Flood Warning | PHI | Sussex | 27 hr |
| Apr 8, 2:13 PM EDT | Areal Flood Warning | PHI | Warren | 7 hr |
| Apr 8, 2:49 PM EDT | River Flood Warning | PHI | Hunterdon, Warren | 20 hr |
| Apr 8, 2:50 PM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 20 hr |
Nearby
River Flood Warnings in New Jersey, 2022Every river flood warning in 2022
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.