Flash Flood Warning 18, NWS Philadelphia/Mount Holly

Issued

Jun 26, 2023, 9:34 PM EDT (01:34 UTC)

Expired

Jun 27, 2023, 12:00 AM EDT

In force

2 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

County Sussex County, NJ

The Philadelphia radar (KDIX), 129 km from the middle of the area, began a volume at 01:36 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.

555 
WGUS51 KPHI 270134
FFWPHI
NJC037-270400-
/O.NEW.KPHI.FF.W.0018.230627T0134Z-230627T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
934 PM EDT Mon Jun 26 2023

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Sussex County in northwestern New Jersey...

* Until midnight EDT.

* At 934 PM EDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1.5 and 3 inches of rain have fallen. The expected rainfall rate 
  is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.5 to 
  1 inch are possible in the warned area. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets, and underpasses as well as other
           drainage and low lying areas.

* Some locations that may experience flash flooding include...
  Newton, Hopatcong, Franklin, Hamburg, Ogdensburg, Sussex, 
  Branchville, Andover, Pellettown, Lake Mohawk, Vernon Valley, and 
  Highland Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4097 7464 4099 7485 4102 7489 4103 7490
      4104 7491 4132 7461 4130 7458 4120 7437
      4105 7455

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR

$$

Staarmann

816 
WGUS71 KPHI 270403
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
1203 AM EDT Tue Jun 27 2023

NJC037-270413-
/O.EXP.KPHI.FF.W.0018.000000T0000Z-230627T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-
1203 AM EDT Tue Jun 27 2023

...FLASH FLOOD WARNING HAS EXPIRED FOR SUSSEX COUNTY...

The Flash FLood Warning has been replaced by an Areal Flood Warning, 
which is in effect until 700 AM EDT. Additional rainfall amounts of 
0.5 to 1.5 inches are possible. Areas of flooding of low lying and 
urban areas is possible overnight.

A Flood Watch remains in effect until 300 AM EDT for portions of New 
Jersey...and Pennsylvania.

LAT...LON 4097 7464 4099 7485 4102 7489 4103 7490
      4104 7491 4132 7461 4130 7458 4120 7437
      4105 7455

$$

Staarmann

Flash Flood Warnings in New Jersey, 2023Every flash flood warning in 2023

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.