Alert archive / New Jersey / Flash Flood Warnings in 2013

Flash Flood Warning 15, NWS Philadelphia/Mount Holly

June 18, 2013Morris County, Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 18, 2013, 4:44 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 4 hr. 1 report 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: Jun 18, 2013, 4:44 PM EDT (20:44 UTC)
Expired: Jun 18, 2013, 8:45 PM EDT
In force: 4 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 110 km from the middle of the area, began a volume at 20:44 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
Jun 18, 5:53 PM EDT	FLASH FLOOD	Parsippany, NJ	ROUTE 36 BLOCKED DUE TO FLOODING.

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 12:00Z, 8.7 hours before the alert went out and 149 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: 137 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 1107 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 112 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.

900 
WGUS51 KPHI 182044
FFWPHI
NJC027-037-041-190045-
/O.NEW.KPHI.FF.W.0015.130618T2044Z-130619T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
444 PM EDT TUE JUN 18 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WARREN COUNTY...
  MORRIS COUNTY...
  SOUTHERN SUSSEX COUNTY...

* UNTIL 845 PM EDT...

* AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  PERSISTENT HEAVY RAIN OVER SOUTHERN SUSSEX...NORTHERN WARREN AND    
  NORTHERN MORRIS COUNTIES. MORE RAIN IS EXPECTED OVER THE AREA LATE 
  THIS AFTERNOON INTO EARLY THIS EVENING...WHICH WILL CAUSE ROADWAY  
  FLOODING AND POOR DRAINAGE FLOODING. SMALL STREAMS WILL ALSO       
  EXPERIENCE RAPID RISES WHERE THE HEAVIEST RAIN HAPPENS TO FALL.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DON'T DROWN!

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. TURN 
AROUND...DON'T DROWN! NEVER TRY TO CROSS A FLOWING STREAM...EVEN A 
SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

&&

LAT...LON 4117 7440 4109 7450 4104 7450 4105 7445
      4102 7443 4100 7430 4091 7427 4090 7433
      4084 7432 4071 7439 4065 7452 4076 7455
      4072 7474 4078 7490 4060 7519 4075 7520
      4086 7505 4098 7514 4109 7496 4120 7488

$$

FORECASTER: JJM

1 follow-up statement

789 
WGUS71 KPHI 190016
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
816 PM EDT TUE JUN 18 2013

NJC027-037-041-190026-
/O.CAN.KPHI.FF.W.0015.000000T0000Z-130619T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-MORRIS NJ-SUSSEX NJ-
816 PM EDT TUE JUN 18 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN SUSSEX...
MORRIS AND WARREN COUNTIES...

THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS
NO LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.

WATER IS RECEDING...BUT JUST SOME MINOR FLOODING PROBLEMS MAY
CONTINUE FOR AN HOUR OR TWO.

LAT...LON 4117 7440 4109 7450 4104 7450 4105 7445
      4102 7443 4100 7430 4091 7427 4090 7433
      4084 7432 4071 7439 4065 7452 4076 7455
      4072 7474 4078 7490 4060 7519 4075 7520
      4086 7505 4098 7514 4109 7496 4120 7488

$$

NIERENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:16 PM EDT	Special Weather Statement	PHI	Cape May, Cumberland, Salem	119 min
Jun 17, 8:28 PM EDT	Areal Flood Advisory	PHI	Cumberland, Salem	107 min
Jun 17, 9:20 PM EDT	Areal Flood Advisory	PHI	Cumberland	3 hr
Jun 17, 9:51 PM EDT	Special Weather Statement	PHI	Cape May, Cumberland, Salem	114 min
Jun 18, 12:14 PM EDT	Areal Flood Advisory	PHI	Mercer	3 hr
Jun 18, 12:25 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Monmouth, Ocean	50 min
Jun 18, 1:10 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	65 min
Jun 18, 1:28 PM EDT	Special Weather Statement	PHI	Burlington, Camden	62 min
Jun 18, 1:32 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem	3 hr
Jun 18, 1:39 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden	81 min
Jun 18, 1:53 PM EDT	Special Weather Statement	PHI	Salem	82 min
Jun 18, 2:10 PM EDT	Flash Flood Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Monmouth and 2 more	3 hr
Jun 18, 3:05 PM EDT	Special Marine Warning	PHI		55 min
Jun 18, 3:19 PM EDT	Special Weather Statement	PHI	Atlantic	71 min
Jun 18, 3:42 PM EDT	Special Marine Warning	PHI		93 min
Jun 18, 3:44 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Cape May, Cumberland, Ocean	3 hr
Jun 18, 3:55 PM EDT	Special Marine Warning	PHI		65 min
Jun 18, 4:45 PM EDT	Special Weather Statement	PHI	Morris	75 min
Jun 18, 4:52 PM EDT	Special Weather Statement	PHI	Morris, Warren	53 min
Jun 18, 5:56 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Somerset	4 hr

Nearby

Flash Flood Warnings in New Jersey, 2013 Every flash flood warning in 2013

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.