Alert archive / New Jersey / Flash Flood Warnings in 2018

Flash Flood Warning 4, NWS New York, NY

July 3, 2018Essex County, Hudson County, Union County, New Jersey

NWS New York, NY issued this flash flood warning at Jul 3, 2018, 1:17 PM EDT for Essex County, Hudson County, Union County, New Jersey. It was in force for 89 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 3, 2018, 1:17 PM EDT (17:17 UTC)
Expired: Jul 3, 2018, 2:46 PM EDT
In force: 89 min
Issued by: NWS New York, NY
Area: Storm-based polygon
Flood severity: None

Counties Essex County, NJ, Hudson County, NJ, Union County, NJ

The radar

The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 17:20 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 5.3 hours before the alert went out and 111 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.

696 
WGUS51 KOKX 031717
FFWOKX
NJC013-017-039-032015-
/O.NEW.KOKX.FF.W.0004.180703T1717Z-180703T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Upton NY has issued a

* Flash Flood Warning for...
  Hudson County in northeastern New Jersey...
  Northeastern Union County in northeastern New Jersey...
  Southeastern Essex County in northeastern New Jersey...

* Until 415 PM EDT.

* At 117 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 1.5 inches of rain have fallen. 
  Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Newark, Elizabeth, Orange, Harrison, Kearny, Union, East Orange,
  Irvington, Maplewood, Hillside, South Orange, Roselle Park,
  Kenilworth and East Newark.

LAT...LON 4066 7432 4077 7429 4079 7414 4078 7414
      4078 7413 4077 7413 4077 7412 4078 7411
      4078 7410 4067 7414

$$

MD

1 follow-up statement

755 
WGUS71 KOKX 031846
FFSOKX

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

NJC013-017-039-031856-
/O.CAN.KOKX.FF.W.0004.000000T0000Z-180703T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hudson NJ-Union NJ-Essex NJ-
246 PM EDT TUE JUL 3 2018

...THE FLASH FLOOD WARNING FOR HUDSON...NORTHEASTERN UNION AND
SOUTHEASTERN ESSEX COUNTIES IS CANCELLED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 4066 7432 4077 7429 4079 7414 4078 7414
      4078 7413 4077 7413 4077 7412 4078 7411
      4078 7410 4067 7414

$$

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, 1:21 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, 3:24 PM EDT	Flash Flood Warning	OKX	Bergen, Essex, Passaic	2 hr
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.