Alert archive / New Jersey / River Flood Warnings in 2021
River Flood Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Jul 18, 2021, 3:48 AM EDT for Mercer County, New Jersey. It took effect at Jul 18, 2021, 4:14 AM EDT. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2021, 3:48 AM EDT (07:48 UTC)
- In effect from
- Jul 18, 2021, 4:14 AM EDT
- Expired
- Jul 18, 2021, 6:50 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County Mercer County, NJ
The radar
The Philadelphia radar (KDIX), 42 km from the middle of the area, began a volume at 07:49 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 Assunpink Creek at Trenton (TACN4). The gauge peaked at 8.52 ft at Jul 18, 2021, 5:00 AM EDT.
- Action stage
- 7 ft
- Minor stage
- 8.5 ft
- Moderate stage
- 9.5 ft
- Major stage
- 11 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01464000, 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.
354
WGUS41 KPHI 180748
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
348 AM EDT Sun Jul 18 2021
...The National Weather Service in Mount Holly NJ has issued a Flood
Warning for the following rivers in New Jersey...
Assunpink Creek At Trenton affecting Mercer County.
For the Assunpink Creek...including Trenton...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.
NJC021-181700-
/O.NEW.KPHI.FL.W.0006.210718T0814Z-210718T1700Z/
/TACN4.1.ER.210718T0814Z.210718T0900Z.210718T1100Z.UU/
348 AM EDT Sun Jul 18 2021
The National Weather Service in Mount Holly has issued a
* Flood Warning for
the Assunpink Creek At Trenton.
* Until this afternoon.
* At 3:15 AM EDT Sunday the stage was 8.4 feet.
* Flood stage is 8.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage to a
crest of 8.6 feet early this morning. It will then fall below
flood stage this morning.
* Impact...At 6.5 feet, Assunpink Park floods. George Page Park
floods. Minor street flooding in Trenton.
* Impact...At 9.0 feet, Mulberry Street begins to flood.
* Flood History...This crest compares to a previous crest of 8.5
feet on 04/30/2014.
&&
Fld Observed Forecasts (2 am EDT)
Location Stg Stg Day/Time Mon Tue Wed
Assunpink Creek
Trenton 8.5 8.4 Sun 3 am EDT 4.1 3.5 3.3
&&
LAT...LON 4023 7479 4027 7472 4025 7469 4022 7468
4018 7475 4021 7476
$$
Staarmann1 follow-up statement
885
WGUS81 KPHI 181050
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
650 AM EDT Sun Jul 18 2021
...The Flood Warning is cancelled for the following rivers in New
Jersey...
Assunpink Creek At Trenton affecting Mercer County.
NJC021-181200-
/O.CAN.KPHI.FL.W.0006.000000T0000Z-210718T1050Z/
/TACN4.1.ER.210718T0800Z.210718T0830Z.210718T1100Z.UU/
650 AM EDT Sun Jul 18 2021
...The Flood Warning for the Assunpink Creek At Trenton has been
cancelled...
The Flood Warning is cancelled for
the Assunpink Creek At Trenton.
* At 6:15 AM EDT Sunday the stage was 8.0 feet.
* Flood stage is 8.5 feet.
* Forecast...The river is expected to rise to a crest of 8.5 feet
this morning.
&&
Fld Observed Forecasts (8 am EDT)
Location Stg Stg Day/Time Mon Tue Wed
Assunpink Creek
Trenton 8.5 8.0 Sun 6 am EDT 3.9 3.4 Crested
&&
LAT...LON 4023 7479 4027 7472 4025 7469 4022 7468
4018 7475 4021 7476
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:00 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Mercer, Monmouth | 45 min |
| Jul 17, 8:09 PM EDT | Flash Flood Warning | PHI | Mercer, Somerset | 4 hr |
| Jul 17, 8:35 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 40 min |
| Jul 17, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset | 54 min |
| Jul 17, 8:46 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 17, 8:53 PM EDT | Areal Flood Advisory | PHI | Mercer, Middlesex, Monmouth | 3 hr |
| Jul 17, 9:25 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Salem | 2 hr |
| Jul 17, 9:27 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 48 min |
| Jul 17, 9:30 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 29 min |
| Jul 17, 9:36 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 2 hr |
| Jul 17, 9:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 17, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 42 min |
| Jul 17, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 54 min |
| Jul 17, 10:22 PM EDT | Tornado Warning | PHI | Burlington, Monmouth, Ocean | 23 min |
| Jul 17, 10:27 PM EDT | Special Weather Statement | PHI | Burlington, Camden | 33 min |
| Jul 17, 10:38 PM EDT | Tornado Warning | PHI | Burlington, Monmouth, Ocean | 16 min |
| Jul 17, 10:43 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 79 min |
| Jul 17, 10:47 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 17, 10:51 PM EDT | Special Marine Warning | PHI | 114 min | |
| Jul 17, 11:07 PM EDT | Special Weather Statement | PHI | Middlesex | 38 min |
| Jul 17, 11:08 PM EDT | Areal Flood Warning | PHI | Hunterdon | 12 hr |
| Jul 17, 11:11 PM EDT | Special Weather Statement | PHI | Monmouth, Ocean | 34 min |
| Jul 17, 11:20 PM EDT | Special Marine Warning | PHI | 115 min | |
| Jul 17, 11:26 PM EDT | Areal Flood Warning | PHI | Somerset | 10 hr |
| Jul 18, 2:41 AM EDT | Areal Flood Warning | PHI | Mercer | 4 hr |
| Jul 18, 9:08 AM EDT | Areal Flood Warning | PHI | Somerset | 2 hr |
| Jul 18, 11:03 AM EDT | River Flood Warning | PHI | Middlesex, Somerset | 88 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.