Alert archive / New Jersey / River Flood Warnings in 2020
River Flood Warning 72, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Dec 26, 2020, 6:56 AM EST for Hunterdon County, Mercer County, New Jersey; Bucks County, Pennsylvania. It took effect at Dec 26, 2020, 11:48 AM EST. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 26, 2020, 6:56 AM EST (11:56 UTC)
- In effect from
- Dec 26, 2020, 11:48 AM EST
- Expired
- Dec 26, 2020, 3:29 PM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Hunterdon County, NJ, Mercer County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 94 km from the middle of the area, began a volume at 11:56 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 Delaware River at Riegelsville (RGLN4). The gauge peaked at 21.55 ft at Dec 26, 2020, 11:00 AM EST.
- Action stage
- 15 ft
- Minor stage
- 22 ft
- Moderate stage
- 26 ft
- Major stage
- 30 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01457500, 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.
029 WGUS41 KPHI 261156 FLWPHI BULLETIN - EAS ACTIVATION REQUESTED Flood Warning National Weather Service Mount Holly NJ 656 AM EST Sat Dec 26 2020 ...The National Weather Service in Mount Holly NJ has issued a Flood Warning for the following rivers in New Jersey...Pennsylvania... Delaware River At Riegelsville affecting Mercer, Hunterdon, and Bucks Counties. For the Delaware River...including Riegelsville...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. NJC019-021-PAC017-270000- /O.NEW.KPHI.FL.W.0072.201226T1648Z-201227T0700Z/ /RGLN4.1.ER.201226T1648Z.201226T1800Z.201227T0051Z.NO/ 656 AM EST Sat Dec 26 2020 The National Weather Service in Mount Holly has issued a * Flood Warning for the Delaware River At Riegelsville. * From this morning to late tonight. * At 6:30 AM EST Saturday the stage was 21.1 feet. * Flood stage is 22.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise above flood stage late this morning to a crest of 22.3 feet this afternoon. It will then fall below flood stage this evening. * Impact at 14.5 feet...The entrance to Bull Island State Park is closed. Unsafe to cross over to Treasure Island Scout Camp. Impact at 15.0 feet...Treasure Island Scout Camp floods. Impact at 18.0 feet...River Road floods in Pohatcong Township, north of the bridge. Impact at 22.0 feet...Pohatcong Creek floods Creek Road due to high and backwater from the Delaware River. The Musconetcong River also floods Mount Joy Road due to high and backwater from the Delaware River. * Flood History...This crest compares to a previous crest of 22.4 feet on 03/08/2011. && Stream Fld Observed Fcsts (7 am) Crest Location Stg Stg Day/Time Sun Mon Stg Time Date Delaware River Riegelsville 22.0 21.1 Sat 6 am 17.6 11.9 22.3 1pm 12/26 && LAT...LON 4060 7523 4061 7517 4053 7504 4052 7513 $$ CMS
2 follow-up statements
225 WGUS81 KPHI 261530 FLSPHI Flood Statement National Weather Service Mount Holly NJ 1030 AM EST Sat Dec 26 2020 ...The Flood Warning continues for the following rivers in New Jersey...Pennsylvania... Delaware River At Riegelsville affecting Mercer, Hunterdon, and Bucks Counties. For the Delaware River...including Tocks Island, Belvidere, Easton-Phillipsburg, Riegelsville, Frenchtown, Stockton, New Hope-Lambertville, Washington's Crossing, 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. NJC019-021-PAC017-270300- /O.EXT.KPHI.FL.W.0072.201226T1723Z-201227T0300Z/ /RGLN4.1.ER.201226T1723Z.201226T1800Z.201226T2100Z.NO/ 1030 AM EST Sat Dec 26 2020 ...The Flood Warning is now in effect until late this evening... The Flood Warning continues for the Delaware River At Riegelsville. * Until this evening. * At 9:30 AM EST Saturday the stage was 21.5 feet. * Flood stage is 22.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise above flood stage this afternoon to a crest of 22.1 feet this afternoon. It will then fall below flood stage late this afternoon. * Impact at 14.5 feet...The entrance to Bull Island State Park is closed. Unsafe to cross over to Treasure Island Scout Camp. Impact at 15.0 feet...Treasure Island Scout Camp floods. Impact at 18.0 feet...River Road floods in Pohatcong Township, north of the bridge. Impact at 22.0 feet...Pohatcong Creek floods Creek Road due to high and backwater from the Delaware River. The Musconetcong River also floods Mount Joy Road due to high and backwater from the Delaware River. * Flood History...This crest compares to a previous crest of 22.4 feet on 03/08/2011. && Stream Fld Observed Fcsts (1 pm) Crest Location Stg Stg Day/Time Sun Mon Stg Time Date Delaware River Riegelsville 22.0 21.5 Sat 9 am 15.2 11.9 22.1 1pm 12/26 && LAT...LON 4060 7523 4061 7517 4053 7504 4052 7513 $$ Kruzdlo
302 WGUS81 KPHI 262029 FLSPHI Flood Statement National Weather Service Mount Holly NJ 329 PM EST Sat Dec 26 2020 ...The Flood Warning is cancelled for the following rivers in New Jersey...Pennsylvania... Delaware River At Riegelsville affecting Mercer, Hunterdon, and Bucks Counties. NJC019-021-PAC017-262130- /O.CAN.KPHI.FL.W.0072.000000T0000Z-201226T2029Z/ /RGLN4.1.ER.201226T1723Z.201226T1800Z.201226T2100Z.NO/ 329 PM EST Sat Dec 26 2020 ...The Flood Warning for the Delaware River At Riegelsville has been cancelled... The Flood Warning is cancelled for the Delaware River At Riegelsville. * At 2:30 PM EST Saturday the stage was 21.2 feet. * Flood stage is 22.0 feet. * Forecast...The river is expected to fall to 10.1 feet early Tuesday afternoon. && Stream Fld Observed Fcsts (1 pm) Crest Location Stg Stg Day/Time Sun Mon Stg Time Date Delaware River Riegelsville 22.0 21.2 Sat 2 pm 15.1 11.8 Crested && LAT...LON 4060 7523 4061 7517 4053 7504 4052 7513 $$ Kruzdlo
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 5:12 AM EST | River Flood Warning | PHI | Hunterdon, Warren | 10 hr |
Nearby
River Flood Warnings in New Jersey, 2020River Flood Warnings in Pennsylvania, 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.