Alert archive / New Jersey / Flash Flood Warnings in 2018

Flash Flood Warning 7, NWS New York, NY

July 3, 2018Bergen County, Essex County, Passaic County, New Jersey

NWS New York, NY issued this flash flood warning at Jul 3, 2018, 3:24 PM EDT for Bergen County, Essex County, Passaic County, New Jersey. It was in force for 2 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: Jul 3, 2018, 3:24 PM EDT (19:24 UTC)
Expired: Jul 3, 2018, 5:33 PM EDT
In force: 2 hr
Issued by: NWS New York, NY
Area: Storm-based polygon
Flood severity: None

Counties Bergen County, NJ, Essex County, NJ, Passaic County, NJ

What was reported inside it

Time	Report	Where	Remark
Jul 3, 4:13 PM EDT	FLASH FLOOD	1 Se Fairfield, NJ	GLORIA LANE CLOSED 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, 7.4 hours before the alert went out and 119 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: 864 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 920 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

599 
WGUS51 KOKX 031924
FFWOKX
NJC003-013-031-032230-
/O.NEW.KOKX.FF.W.0007.180703T1924Z-180703T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
324 PM EDT TUE JUL 3 2018

The National Weather Service in Upton NY has issued a

* Flash Flood Warning for...
  Eastern Passaic County in northeastern New Jersey...
  South central Bergen County in northeastern New Jersey...
  Essex County in northeastern New Jersey...

* Until 630 PM EDT.

* At 324 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Paterson, Passaic, Wayne, Bloomfield, Hackensack, Orange,
  Lyndhurst, Millburn, Rutherford, Caldwell, Fairfield, Teterboro,
  Clifton, East Orange and West Orange.

LAT...LON 4074 7437 4076 7436 4076 7437 4079 7437
      4082 7433 4086 7432 4087 7434 4090 7434
      4091 7432 4090 7427 4091 7427 4093 7429
      4097 7428 4098 7430 4088 7400 4079 7408
      4078 7413 4079 7415 4077 7415 4073 7436

$$

1 follow-up statement

968 
WGUS71 KOKX 032133
FFSOKX

Flash Flood Statement
National Weather Service New York NY
533 PM EDT TUE JUL 3 2018

NJC003-013-031-032142-
/O.CAN.KOKX.FF.W.0007.000000T0000Z-180703T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Passaic NJ-Bergen NJ-Essex NJ-
533 PM EDT TUE JUL 3 2018

...THE FLASH FLOOD WARNING FOR EASTERN PASSAIC...SOUTH CENTRAL BERGEN
AND ESSEX COUNTIES IS CANCELLED...

The heavy rain has ended and flood waters will continue to recede. 
Please continue to heed any remaining road closures.

LAT...LON 4074 7437 4076 7436 4076 7437 4079 7437
      4082 7433 4086 7432 4087 7434 4090 7434
      4091 7432 4090 7427 4091 7427 4093 7429
      4097 7428 4098 7430 4088 7400 4079 7408
      4078 7413 4079 7415 4077 7415 4073 7436

$$

The office that day

Everything else NWS New York, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 12:42 PM EDT	Special Weather Statement	OKX	Essex, Hudson, Union	33 min
Jul 3, 1:15 PM EDT	Special Weather Statement	OKX	Essex, Hudson, Union	45 min
Jul 3, 1:17 PM EDT	Flash Flood Warning	OKX	Essex, Hudson, Union	89 min
Jul 3, 1:21 PM EDT	Severe Thunderstorm Warning	OKX	Essex, Hudson, Union	39 min
Jul 3, 1:39 PM EDT	Special Weather Statement	OKX	Union	51 min
Jul 3, 1:45 PM EDT	Severe Thunderstorm Warning	OKX	Union	45 min
Jul 3, 1:48 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Passaic	42 min
Jul 3, 1:53 PM EDT	Flash Flood Warning	OKX	Union	79 min
Jul 3, 1:57 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Passaic	35 min
Jul 3, 2:07 PM EDT	Areal Flood Advisory	OKX	Bergen	3 hr
Jul 3, 2:18 PM EDT	Severe Thunderstorm Warning	OKX	Bergen	42 min
Jul 3, 2:25 PM EDT	Areal Flood Advisory	OKX	Bergen, Passaic	3 hr
Jul 3, 3:14 PM EDT	Flash Flood Warning	OKX	Bergen, Passaic	104 min
Jul 3, 3:22 PM EDT	Special Weather Statement	OKX	Bergen	38 min
Jul 3, 3:57 PM EDT	Special Weather Statement	OKX	Essex, Union	48 min
Jul 3, 4:34 PM EDT	Special Weather Statement	OKX	Union	41 min
Jul 3, 4:36 PM EDT	Areal Flood Advisory	OKX	Essex, Hudson, Union	2 hr

Nearby

Flash Flood Warnings in New Jersey, 2018 Every flash flood warning in 2018

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.