Alert archive / New Jersey / River Flood Warnings in 2020
River Flood Warning 66, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 25, 2020, 12:17 PM EST for Middlesex County, Somerset County, New Jersey. It took effect at Dec 25, 2020, 1:00 PM EST. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 25, 2020, 12:17 PM EST (17:17 UTC)
- In effect from
- Dec 25, 2020, 1:00 PM EST
- Expired
- Dec 25, 2020, 9:27 PM EST
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Middlesex County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 17:20 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 Raritan River at Manville (MNVN4). The gauge peaked at 14.68 ft at Dec 25, 2020, 5:00 PM EST.
- Action stage
- 12 ft
- Minor stage
- 14 ft
- Moderate stage
- 17 ft
- Major stage
- 20 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01400500, 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.
831 WGUS41 KPHI 251717 FLWPHI BULLETIN - EAS ACTIVATION REQUESTED Flood Warning National Weather Service Mount Holly NJ 1217 PM 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... Raritan River At Manville affecting Somerset and Middlesex Counties. For the Raritan River...including Manville...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. NJC023-035-260000- /O.NEW.KPHI.FL.W.0066.201225T1800Z-201226T0000Z/ /MNVN4.1.ER.201225T1800Z.201225T1800Z.201225T1800Z.NO/ 1217 PM EST Fri Dec 25 2020 The National Weather Service in Mount Holly has issued a * Flood Warning for the Raritan River At Manville. * Until this evening. * At 11:15 AM EST Friday the stage was 13.2 feet. * Flood stage is 14.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise to a crest of 14.0 feet this afternoon. * Impact at 11.0 feet...At this level, inundation begins in Dukes Park in Manville. Impact at 12.0 feet...Cautionary/Action stage is reached. Roads and trails flood within Dukes Park. Impact at 13.0 feet...Southside Avenue in Somerville floods. Impact at 15.0 feet...Dukes Parkway begins to flood in Hillsborough. * Flood History...This crest compares to a previous crest of 14.3 feet on 01/28/1996. && Stream Fld Observed Fcsts (1 pm) Crest Location Stg Stg Day/Time Sat Sun Stg Time Date Raritan River Manville 14.0 13.2 Fri 11 a 7.6 5.8 14.0 1pm 12/25 && LAT...LON 4058 7464 4057 7456 4052 7456 4054 7470 $$ Kruzdlo
2 follow-up statements
019 WGUS81 KPHI 252335 FLSPHI Flood Statement National Weather Service Mount Holly NJ 635 PM EST Fri Dec 25 2020 ...The Flood Warning is extended for the following river in New Jersey... Raritan River At Manville affecting Somerset and Middlesex Counties. For the Raritan River...including Stanton, Raritan, Manville, Bound Brook...Minor flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/phi. NJC023-035-260900- /O.EXT.KPHI.FL.W.0066.000000T0000Z-201226T0900Z/ /MNVN4.1.ER.201225T1824Z.201225T2200Z.201226T0300Z.NO/ 635 PM EST Fri Dec 25 2020 ...The Flood Warning is now in effect until late tonight... The Flood Warning continues for the Raritan River At Manville. * Until late tonight. * At 6:15 PM EST Friday the stage was 14.6 feet. * Flood stage is 14.0 feet. * Minor flooding is occurring and minor flooding is forecast. * Recent Activity...The maximum river stage in the 24 hours ending at 6:15 PM EST Friday was 14.7 feet. * Forecast...The river is expected to fall below flood stage overnight. * Impact at 11.0 feet...At this level, inundation occurs in Dukes Park in Manville. Impact at 12.0 feet...Cautionary/Action stage. Roads and trails flood within Dukes Park. Impact at 13.0 feet... Southside Avenue in Somerville floods. * Flood History...This crest compares to a previous crest of 14.8 feet on 03/31/2010. && Stream Fld Observed Fcsts (7 pm) Crest Location Stg Stg Day/Time Sat Sun Stg Time Date Raritan River Manville 14.0 14.6 Fri 6 pm 7.0 5.6 Crested && LAT...LON 4058 7464 4057 7456 4052 7456 4054 7470 $$ Iovino
477 WGUS81 KPHI 260227 FLSPHI Flood Statement National Weather Service Mount Holly NJ 927 PM EST Fri Dec 25 2020 ...The Flood Warning is cancelled for the following river in New Jersey... Raritan River At Manville affecting Somerset and Middlesex Counties. NJC023-035-260330- /O.CAN.KPHI.FL.W.0066.000000T0000Z-201226T0227Z/ /MNVN4.1.ER.201225T1824Z.201225T2200Z.201226T0300Z.NO/ 927 PM EST Fri Dec 25 2020 ...The Flood Warning for the Raritan River At Manville has been cancelled... The Flood Warning is cancelled for the Raritan River At Manville. * At 9:15 PM EST Friday the stage was 13.7 feet. * Flood stage is 14.0 feet. * Recent Activity...The maximum river stage in the 24 hours ending at 9:15 PM EST Friday was 14.7 feet. * Forecast...The river is expected to continue falling. && Stream Fld Observed Fcsts (7 pm) Crest Location Stg Stg Day/Time Sat Sun Stg Time Date Raritan River Manville 14.0 13.7 Fri 9 pm 7.0 5.6 Crested && LAT...LON 4058 7464 4057 7456 4052 7456 4054 7470 $$ Iovino
The 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, 7:25 AM EST | River Flood Warning | PHI | Morris, Passaic | 37 hr |
| Dec 25, 11:27 AM EST | Areal Flood Warning | PHI | Sussex, Warren | 16 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.