Alert archive / New York / Flash Flood Warnings in 2015

Flash Flood Warning 7, NWS New York, NY

July 1, 20155 counties in New Jersey; 6 counties in New York

NWS New York, NY issued this flash flood warning at Jul 1, 2015, 4:19 AM EDT for 5 counties in New Jersey; 6 counties in New York. It was in force for 116 min. 2 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 1, 2015, 4:19 AM EDT (08:19 UTC)
Expired
Jul 1, 2015, 6:15 AM EDT
In force
116 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Flood severity
None

Counties Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ, Bronx County, NY, Kings County, NY, New York County, NY, Queens County, NY, Richmond County, NY, Westchester County, NY

The radar

The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 08:23 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

TimeReportWhereRemark
Jul 1, 5:00 AM EDTFLASH FLOODEast Rutherford, NJHACKENSACK STREET AT EAST UNION CLOSED
Jul 1, 5:00 AM EDTFLASH FLOODEast Rutherford, NJPORTION OF ROUTE 17 NORTHBOUND FROM EAST UNION TO HIGHLAND CROSS CLOSED

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, 8.3 hours before the alert went out and 109 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2015-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2015-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1407 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
162 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.

211 
WGUS51 KOKX 010819
FFWOKX
NJC003-013-017-031-039-NYC005-047-061-081-085-119-011015-
/O.NEW.KOKX.FF.W.0007.150701T0819Z-150701T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
419 AM EDT WED JUL 1 2015

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PASSAIC COUNTY IN NORTHEASTERN NEW JERSEY...
  CENTRAL UNION COUNTY IN NORTHEASTERN NEW JERSEY...
  HUDSON COUNTY IN NORTHEASTERN NEW JERSEY...
  BERGEN COUNTY IN NORTHEASTERN NEW JERSEY...
  EASTERN UNION COUNTY IN NORTHEASTERN NEW JERSEY...
  ESSEX COUNTY IN NORTHEASTERN NEW JERSEY...
  QUEENS COUNTY IN SOUTHEASTERN NEW YORK...
  KINGS COUNTY IN SOUTHEASTERN NEW YORK...
  SOUTHERN WESTCHESTER COUNTY IN SOUTHEASTERN NEW YORK...
  NEW YORK COUNTY IN SOUTHEASTERN NEW YORK...
  BRONX COUNTY IN SOUTHEASTERN NEW YORK...
  RICHMOND COUNTY IN SOUTHEASTERN NEW YORK...

* UNTIL 615 AM EDT
    
* AT 418 AM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU 
CAN DO SO SAFELY.

&&

LAT...LON 4059 7421 4060 7429 4073 7438 4090 7434
      4091 7427 4101 7437 4120 7437 4093 7372
      4074 7385 4061 7404 4062 7404 4071 7401
      4071 7404 4067 7410 4059 7406 4050 7424

$$
1 follow-up statement
180 
WGUS71 KOKX 010926
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
526 AM EDT WED JUL 1 2015

NJC003-013-017-031-039-NYC005-047-061-081-085-119-010934-
/O.CAN.KOKX.FF.W.0007.000000T0000Z-150701T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PASSAIC NJ-UNION NJ-HUDSON NJ-BERGEN NJ-EASTERN UNION NJ-ESSEX NJ-
QUEENS NY-KINGS NY-WESTCHESTER NY-NEW YORK NY-BRONX NY-RICHMOND NY-
526 AM EDT WED JUL 1 2015

...THE FLASH FLOOD WARNING FOR PASSAIC...CENTRAL UNION...HUDSON...
BERGEN...EASTERN UNION...ESSEX...QUEENS...KINGS...SOUTHERN
WESTCHESTER...NEW YORK...BRONX AND RICHMOND COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND ALTHOUGH WATER MAY STILL REMAIN ON 
ROADWAYS...ADDITIONAL FLASH FLOODING IS NO LONGER IMMINENT.

LAT...LON 4059 7421 4060 7429 4073 7438 4090 7434
      4091 7427 4101 7437 4120 7437 4093 7372
      4074 7385 4061 7404 4062 7404 4071 7401
      4071 7404 4067 7410 4059 7406 4050 7424

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 3:17 AM EDTFlash Flood WatchOKXBergen, Essex, Hudson, Passaic, Union3 hr
Jul 1, 3:26 AM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic, Union3 hr
Jul 1, 4:01 AM EDTSpecial Weather StatementOKXBergen, Essex, Hudson, Passaic, Union44 min
Jul 1, 4:13 AM EDTSevere Thunderstorm WarningOKXEssex, Hudson, Union47 min
Jul 1, 4:34 AM EDTSevere Thunderstorm WarningOKXBergen, Hudson41 min
Jun 30, 8:44 PM EDTSpecial Weather StatementOKXOrange46 min
Jun 30, 9:41 PM EDTAreal Flood AdvisoryOKXOrange4 hr
Jun 30, 10:51 PM EDTSpecial Weather StatementOKXOrange39 min
Jul 1, 3:20 AM EDTSmall Craft Advisory for Hazardous SeasOKX31 hr
Jul 1, 3:32 AM EDTSpecial Weather StatementOKXOrange58 min
Jul 1, 3:38 AM EDTAreal Flood AdvisoryOKXOrange112 min
Jul 1, 4:04 AM EDTSpecial Marine WarningOKX86 min
Jul 1, 4:06 AM EDTSpecial Marine WarningOKX84 min
Jul 1, 4:48 AM EDTAreal Flood AdvisoryOKXPutnam, Rockland, Westchester3 hr
Jul 1, 4:57 AM EDTSpecial Weather StatementOKXNassau48 min
Jul 1, 5:09 AM EDTSpecial Weather StatementOKXPutnam51 min
Jul 1, 5:16 AM EDTSpecial Marine WarningOKX89 min
Jul 1, 5:23 AM EDTSpecial Marine WarningOKX2 hr
Jul 1, 5:34 AM EDTSevere Thunderstorm WarningOKXSuffolk56 min
Jul 1, 5:40 AM EDTAreal Flood AdvisoryOKXSuffolk3 hr
Jul 1, 6:20 AM EDTSevere Thunderstorm WarningOKXSuffolk55 min
Jul 1, 6:49 AM EDTSpecial Marine WarningOKX26 min
Jul 1, 7:14 AM EDTSpecial Marine WarningOKX61 min
Jul 1, 7:59 AM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk13 hr

Nearby

Flash Flood Warnings in New York, 2015Flash Flood Warnings in New Jersey, 2015Every flash flood warning in 2015

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.