Areal Flood Warning 29, NWS Philadelphia/Mount Holly

Issued

Aug 23, 2021, 8:36 AM EDT (12:36 UTC)

Expired

Aug 23, 2021, 5:46 PM EDT

In force

9 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

County Somerset County, NJ

The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 12:38 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

425 
WGUS41 KPHI 231236
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
836 AM EDT Mon Aug 23 2021

NJC035-232200-
/O.NEW.KPHI.FA.W.0029.210823T1236Z-210823T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Somerset NJ-
836 AM EDT Mon Aug 23 2021

The National Weather Service in Mount Holly has issued a

* Flood Warning for...
  West Central Somerset County in northern New Jersey...

* Until 600 PM EDT Monday.

* At 836 AM EDT, gauge reports indicated flooding occurring on the 
  North Branch Raritan River at North Branch and South Branch. 
  Flooding will likely continue for the next several hours. Do not 
  drive across flooded roadways!

* For North Branch Raritan River at North Branch:
  At 8:15am the stage was 12.88 feet.
  Flood Stage is 12.3 feet.
  ...
  For North Branch Raritan River at Raritan:
  At 8:15am the stage was 8.63 feet.
  Flood Stage is 10 feet.
  ...
  For North Branch Raritan River at South Branch:
  At 8:00am the stage was 8.2 feet.
  Flood Stage is 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4058 7471 4061 7470 4061 7465 4053 7467
      4048 7475 4053 7474 4057 7472

$$

CMS

809 
WGUS81 KPHI 231543
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1143 AM EDT Mon Aug 23 2021

NJC035-232200-
/O.CON.KPHI.FA.W.0029.000000T0000Z-210823T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Somerset NJ-
1143 AM EDT Mon Aug 23 2021

...FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING FOR 
WEST CENTRAL SOMERSET COUNTY...

At 1143 AM EDT, gauge reports indicated water was running high on 
the North Branch Raritan River.

For North Branch Raritan River at North Branch:
At 11:15am the stage was 14.83 feet.
Flood Stage is 12.3 feet.

For North Branch Raritan River at Raritan:
At 11:30am the stage was 11.17 feet.
Flood Stage is 10 feet.

For North Branch Raritan River at South Branch:
At 11:00am the stage was 9.45 feet.
Flood Stage is 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

&&

LAT...LON 4058 7471 4061 7470 4061 7465 4053 7467
      4048 7475 4053 7474 4057 7472

$$

Kruzdlo

281 
WGUS81 KPHI 232146 RRA
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
546 PM EDT Mon Aug 23 2021

NJC035-232156-
/O.CAN.KPHI.FA.W.0029.000000T0000Z-210823T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Somerset NJ-
546 PM EDT Mon Aug 23 2021

...FLOOD WARNING IS CANCELLED FOR WEST CENTRAL SOMERSET COUNTY...

Flood waters have receded on the North Branch Raritan River at North 
Branch. This flood warning is replaced by the Flood Warning for the 
North Branch Raritan River at Raritan with additional details about 
on going flooding at South Branch included. Please continue to heed 
remaining road closures.

LAT...LON 4058 7471 4061 7470 4061 7465 4053 7467
      4048 7475 4053 7474 4057 7472

$$

Deal

Areal Flood Warnings in New Jersey, 2021Every areal flood warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.