Alert archive / New Jersey / Flash Flood Warnings in 2014

Flash Flood Warning 35, NWS Philadelphia/Mount Holly

July 14, 2014Burlington County, Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 14, 2014, 8:43 PM EDT for Burlington County, Monmouth County, Ocean County, New Jersey. It was in force for 4 hr. 3 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: Jul 14, 2014, 8:43 PM EDT (00:43 UTC)
Expired: Jul 15, 2014, 12:45 AM EDT
In force: 4 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Burlington County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 17 km from the middle of the area, began a volume at 00:44 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
Jul 14, 8:45 PM EDT	FLASH FLOOD	Hazlet, NJ	ROAD CLOSURES DUE TO FLOODING... INCLUDING HWY 36 AND FLORENCE AVE.
Jul 14, 11:01 PM EDT	HEAVY RAIN 3.95	Wall Twp, NJ
Jul 14, 11:02 PM EDT	HEAVY RAIN 3.42	Holmdel, 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, 0.7 hours before the alert went out and 153 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: 921 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 446 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

533 
WGUS51 KPHI 150043
FFWPHI
NJC005-025-029-150445-
/O.NEW.KPHI.FF.W.0035.140715T0043Z-140715T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
843 PM EDT MON JUL 14 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  THIS INCLUDES THE CITIES OF...LONG BRANCH...ASBURY PARK...SANDY
  HOOK...
  BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  OCEAN COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITY OF TOMS RIVER...

* UNTIL 1245 AM EDT

* AT 839 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE    
  VERY HEAVY RAIN MOVING INTO THE AREA FROM THE SOUTHEAST. RAINFALL  
  RATES OVER TWO INCHES ARE POSSIBLE WHERE THE HEAVIEST              
  PRECIPITATION FALLS. URBAN AND SMALL STREAM FLOODING CAN BE        
  EXPECTED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 3989 7408 3977 7408 3956 7422 3950 7429
      3950 7435 3954 7435 3955 7444 3954 7443
      3982 7489 4046 7417 4042 7401 4048 7401
      4047 7399 4045 7396 4032 7396

$$

JJM

1 follow-up statement

786 
WGUS71 KPHI 150445
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1245 AM EDT TUE JUL 15 2014

NJC005-025-029-150455-
/O.EXP.KPHI.FF.W.0035.000000T0000Z-140715T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-MONMOUTH NJ-OCEAN NJ-
1245 AM EDT TUE JUL 15 2014

...THE FLASH FLOOD WARNING HAS EXPIRED FOR OCEAN...MONMOUTH AND
BURLINGTON COUNTIES...

NO ADDITIONAL HEAVY RAIN IS EXPECTED OVER THE NEXT COUPLE OF HOURS.
PLEASE BE WARY FOR LEFTOVER PONDING IN POOR DRAINAGE LOCATIONS.

LAT...LON 3989 7408 3977 7408 3956 7422 3950 7429
      3950 7435 3954 7435 3955 7444 3954 7443
      3982 7489 4046 7417 4042 7401 4048 7401
      4047 7399 4045 7396 4032 7396

$$

TFG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 8:19 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 1 more	4 hr
Jul 14, 8:19 PM EDT	Tornado Warning	PHI	Burlington	26 min
Jul 14, 8:36 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	54 min
Jul 14, 9:06 PM EDT	Special Marine Warning	PHI		84 min
Jul 14, 10:26 PM EDT	Special Marine Warning	PHI		49 min
Jul 15, 2:50 AM EDT	Areal Flood Warning	PHI	Ocean	5 hr
Jul 15, 3:53 AM EDT	Small Craft Advisory	PHI		24 hr
Jul 15, 1:09 PM EDT	Special Weather Statement	PHI	Somerset	66 min
Jul 15, 1:21 PM EDT	Special Weather Statement	PHI	Middlesex, Monmouth	54 min
Jul 15, 1:22 PM EDT	Areal Flood Advisory	PHI	Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 2 more	3 hr
Jul 15, 1:36 PM EDT	Special Weather Statement	PHI	Monmouth	54 min
Jul 15, 1:50 PM EDT	Flash Flood Warning	PHI	Middlesex, Monmouth, Ocean	4 hr
Jul 15, 1:52 PM EDT	Special Weather Statement	PHI	Burlington, Camden	68 min
Jul 15, 2:17 PM EDT	Special Weather Statement	PHI	Mercer	43 min
Jul 15, 2:22 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Salem	4 hr
Jul 15, 2:29 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	51 min
Jul 15, 2:30 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Monmouth	41 min
Jul 15, 2:43 PM EDT	Special Weather Statement	PHI	Monmouth	32 min
Jul 15, 2:44 PM EDT	Special Marine Warning	PHI		31 min
Jul 15, 2:46 PM EDT	Areal Flood Advisory	PHI	Monmouth, Ocean	3 hr
Jul 15, 3:14 PM EDT	Flash Flood Warning	PHI	Monmouth, Ocean	7 hr
Jul 15, 3:23 PM EDT	Special Weather Statement	PHI	Monmouth	67 min
Jul 15, 3:42 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Salem	63 min
Jul 15, 3:44 PM EDT	Special Marine Warning	PHI		91 min
Jul 15, 4:19 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	56 min
Jul 15, 4:26 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Hunterdon, Mercer, Middlesex, Somerset	64 min
Jul 15, 4:27 PM EDT	Flash Flood Warning	PHI	Camden, Cumberland, Gloucester, Salem	4 hr
Jul 15, 4:37 PM EDT	Special Weather Statement	PHI	Camden, Gloucester, Salem	53 min
Jul 15, 4:53 PM EDT	Special Marine Warning	PHI		67 min
Jul 15, 5:05 PM EDT	Special Weather Statement	PHI	Burlington	55 min
Jul 15, 5:11 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset	64 min
Jul 15, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Monmouth, Ocean	61 min
Jul 15, 5:43 PM EDT	Special Weather Statement	PHI	Ocean	62 min
Jul 15, 5:45 PM EDT	Special Weather Statement	PHI	Atlantic	60 min
Jul 15, 5:50 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Middlesex, Morris, Somerset	4 hr
Jul 15, 5:57 PM EDT	Special Marine Warning	PHI		63 min
Jul 15, 6:00 PM EDT	Special Marine Warning	PHI		60 min
Jul 15, 6:03 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	4 hr
Jul 15, 6:05 PM EDT	Special Marine Warning	PHI		115 min
Jul 15, 6:11 PM EDT	Flash Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Morris, Ocean and 1 more	4 hr
Jul 15, 6:11 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	50 min
Jul 15, 6:12 PM EDT	Special Weather Statement	PHI	Morris	63 min
Jul 15, 6:17 PM EDT	Special Weather Statement	PHI	Cape May	58 min
Jul 15, 6:44 PM EDT	Flash Flood Warning	PHI	Atlantic, Burlington, Ocean	4 hr
Jul 15, 7:20 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Mercer, Monmouth, Ocean	4 hr

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.