Alert archive / New Jersey / Flash Flood Warnings in 2014

Flash Flood Warning 53, NWS Philadelphia/Mount Holly

August 13, 2014Atlantic County, Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 13, 2014, 1:03 AM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 4 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 13, 2014, 1:03 AM EDT (05:03 UTC)
Expired: Aug 13, 2014, 5:00 AM EDT
In force: 4 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 22 km from the middle of the area, began a volume at 05:06 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.

What was reported inside it

Time	Report	Where	Remark
Aug 13, 1:15 AM EDT	HEAVY RAIN 5.27	1 Ssw Pinewald, NJ
Aug 13, 1:30 AM EDT	FLASH FLOOD	1 Wsw Deer Lake Park, NJ	SEVERAL VEHICLES STRANDED IN HIGH WATER ON RT 72 IN STAFFORD
Aug 13, 2:00 AM EDT	HEAVY RAIN 7.25	2 Nne Stafford Twp, NJ	7.25 INCHES OF RAIN IN 4 HOURS.
Aug 13, 2:30 AM EDT	HEAVY RAIN 2.78	Seaside Heights, NJ

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 5.1 hours before the alert went out and 158 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 63 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 891 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

026 
WGUS51 KPHI 130503
FFWPHI
NJC001-005-029-130900-
/O.NEW.KPHI.FF.W.0053.140813T0503Z-140813T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
103 AM EDT WED AUG 13 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  OCEAN COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITY OF TOMS RIVER...

* UNTIL 500 AM EDT

* AT 1256 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
VERY HEAVY RAINFALL OF 2 TO 4 INCHES OVER THE WARNED AREA. THIS 
EXCESSIVE RAINFALL IS CAPABLE OF PRODUCING FLASH FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHARTON
  STATE FOREST...SEASIDE HEIGHTS...PLEASANT PLAINS...MANTOLOKING...
  LEISURE VILLAGE...CHATSWORTH...BRICK TOWNSHIP...BEACHWOOD...
  BARNEGAT...BARNEGAT LIGHT...WARREN GROVE...PENN STATE FOREST...OLD
  HALFWAY...BROOKVILLE AND BAMBER LAKE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4001 7405 3977 7409 3960 7418 3952 7426
      3960 7483 4008 7416 4007 7403 4006 7402

$$

JRK

2 follow-up statements

968 
WGUS71 KPHI 130702
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
302 AM EDT WED AUG 13 2014

NJC001-005-029-130900-
/O.CON.KPHI.FF.W.0053.000000T0000Z-140813T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-ATLANTIC NJ-OCEAN NJ-
302 AM EDT WED AUG 13 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM EDT FOR
OCEAN...NORTHERN ATLANTIC AND SOUTHEASTERN BURLINGTON COUNTIES...

AT 255 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OVER THE WARNED AREA. ALTHOUGH THE HEAVY RAINFALL HAS 
ENDED...EXCESSIVE RUNOFF WILL CONTINUE TO PRODUCE RAPID RISES OF 
NEARBY CREEKS AND STREAMS.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SEASIDE
HEIGHTS...PLEASANT PLAINS...MANTOLOKING...LEISURE VILLAGE...BRICK
TOWNSHIP...BEACHWOOD...TOMS RIVER...OLD HALFWAY AND BAMBER LAKE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4001 7405 3977 7409 3960 7418 3952 7426
      3960 7483 4008 7416 4007 7403 4006 7402

$$

JRK

318 
WGUS71 KPHI 130853
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
453 AM EDT WED AUG 13 2014

NJC001-005-029-130902-
/O.EXP.KPHI.FF.W.0053.000000T0000Z-140813T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-ATLANTIC NJ-OCEAN NJ-
453 AM EDT WED AUG 13 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 500 AM EDT FOR OCEAN...
NORTHERN ATLANTIC AND SOUTHEASTERN BURLINGTON COUNTIES...

THE HEAVY RAIN HAS SINCE ENDED AND LINGERING RUNOFF WILL EASE. AS A 
RESULT, THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. USE 
CAUTION HOWEVER EARLY THIS MORNING AS SOME LOCALIZED RESIDUAL 
FLOODING MAY LINGER FOR A WHILE LONGER.

LAT...LON 4001 7405 3977 7409 3960 7418 3952 7426
      3960 7483 4008 7416 4007 7403 4006 7402

$$

GORSE

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 8:11 PM EDT	Flash Flood Warning	PHI	Cumberland	6 hr
Aug 12, 10:03 PM EDT	Areal Flood Advisory	PHI	Atlantic, Cape May	4 hr
Aug 12, 10:33 PM EDT	Flash Flood Warning	PHI	Atlantic, Cumberland	4 hr
Aug 12, 11:07 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland	53 min
Aug 12, 11:25 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean	5 hr
Aug 12, 11:31 PM EDT	Special Marine Warning	PHI		59 min
Aug 13, 12:27 AM EDT	Special Marine Warning	PHI		93 min
Aug 13, 12:36 AM EDT	Special Weather Statement	PHI	Atlantic, Ocean	54 min
Aug 13, 1:08 AM EDT	Special Weather Statement	PHI	Atlantic	37 min
Aug 13, 1:25 AM EDT	Special Marine Warning	PHI		95 min
Aug 13, 1:39 AM EDT	Areal Flood Advisory	PHI	Monmouth	4 hr
Aug 13, 1:53 AM EDT	Special Marine Warning	PHI		82 min
Aug 13, 2:26 AM EDT	Areal Flood Warning	PHI	Atlantic, Cumberland	6 hr
Aug 13, 12:28 PM EDT	Rip Current Statement	PHI	Atlantic, Cape May, Monmouth, Ocean	8 hr
Aug 13, 4:07 PM EDT	Special Weather Statement	PHI	Sussex	53 min

Nearby

Flash Flood Warnings in New Jersey, 2014 Every flash flood warning in 2014

Sources

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.