Alert archive / New York / Flash Flood Warnings in 2014

Flash Flood Warning 13, NWS New York, NY

July 3, 20145 counties in New Jersey; 7 counties in New York

NWS New York, NY issued this flash flood warning at Jul 3, 2014, 7:36 PM EDT for 5 counties in New Jersey; 7 counties in New York. It was in force for 114 min. 8 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 3, 2014, 7:36 PM EDT (23:36 UTC)
Expired
Jul 3, 2014, 9:30 PM EDT
In force
114 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, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 93 km from the middle of the area, began a volume at 23:40 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 3, 7:50 PM EDTFLASH FLOODRidgewood, NJMAPLE AVENUE CLOSED DUE TO FLOODING BETWEEN SPRING AND RIDGEWOOD AVENUES
Jul 3, 8:15 PM EDTFLASH FLOODNutley, NJWASHINGTON AVE CLOSED DUE TO FLOODING
Jul 3, 8:30 PM EDTFLASH FLOODParamus, NJROUTE 17 CLOSED NORTH OF CARLOUGH DRIVE DUE TO FLOODING
Jul 3, 8:40 PM EDTFLASH FLOODMorris Heights, NYCROSS BRONX EXPRESSWAY N/B AT JEROME AVE. HAS ALL LANES BLOCKED DUE TO FLOODING. EXIT RAMP TO JEROME AVE. ALSO BLOCKED DUE TO FLOODING.
Jul 3, 8:43 PM EDTFLASH FLOODEast Newark, NJPASSAIC AND JOHNSON AVES CLOSED DUE TO FLASH FLOODING
Jul 3, 8:48 PM EDTFLASH FLOODHarrison, NJFLASH FLOODING REPORTED ON RODGERS BLVD AND SOMERSET ST
Jul 3, 8:48 PM EDTFLASH FLOODHarrison, NJ
Jul 3, 9:13 PM EDTFLASH FLOOD1 Ne Beech Hill, NYN/S BRONX RIVER PARKWAY BETWEEN SPRAIN BROOK PARKWAY YONKERS AND EXIT 21 - MAIN ST. WHITE PLAINS 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, 11.6 hours before the alert went out and 93 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 12:00Z on 2014-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 708 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2014-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.193958Sfc1 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
708 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

218 
WGUS51 KOKX 032336
FFWOKX
NJC003-013-017-031-039-NYC005-047-059-061-081-085-119-040130-
/O.NEW.KOKX.FF.W.0013.140703T2336Z-140704T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
736 PM EDT THU JUL 3 2014

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KINGS (BROOKLYN) COUNTY IN SOUTHEAST NEW YORK...
  QUEENS COUNTY IN SOUTHEAST NEW YORK...
  NORTHWESTERN NASSAU COUNTY IN SOUTHEAST NEW YORK...
  PASSAIC COUNTY IN NORTHEAST NEW JERSEY...
  UNION COUNTY IN NORTHEAST NEW JERSEY...
  NEW YORK (MANHATTAN) COUNTY IN SOUTHEAST NEW YORK...
  BRONX COUNTY IN SOUTHEAST NEW YORK...
  WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
  SOUTHEASTERN BERGEN COUNTY IN NORTHEAST NEW JERSEY...
  ESSEX COUNTY IN NORTHEAST NEW JERSEY...
  RICHMOND (STATEN ISLAND) COUNTY IN SOUTHEAST NEW YORK...
  HUDSON COUNTY IN NORTHEAST NEW JERSEY...

* UNTIL 930 PM EDT...

* AT 732 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR SUMMIT...MOVING NORTHEAST  
  AT 40 MPH. MORE HEAVY SHOWERS AND THUNDERSTORMS ARE MOVING IN FROM 
  THE SOUTH AND WEST. RAIN RATES UP TO 2 INCHES PER HOUR CAN BE      
  EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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 4091 7434 4103 7397 4100 7390 4105 7389
      4112 7370 4097 7365 4087 7373 4085 7366
      4090 7364 4080 7361 4063 7405 4070 7403
      4063 7406 4057 7421 4060 7422 4059 7446

$$

JM
2 follow-up statements
966 
WGUS71 KOKX 040041
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
841 PM EDT THU JUL 3 2014

NJC003-013-017-031-039-NYC005-047-059-061-081-085-119-040130-
/O.CON.KOKX.FF.W.0013.000000T0000Z-140704T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-RICHMOND (STATEN ISLAND) NY-ESSEX NJ-BERGEN NJ-
WESTCHESTER NY-BRONX NY-NEW YORK (MANHATTAN) NY-UNION NJ-PASSAIC NJ-
NASSAU NY-QUEENS NY-KINGS (BROOKLYN) NY-
841 PM EDT THU JUL 3 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR KINGS
(BROOKLYN)...QUEENS...NORTHWESTERN NASSAU...PASSAIC...UNION...NEW
YORK (MANHATTAN)...BRONX...WESTCHESTER...SOUTHEASTERN BERGEN...
ESSEX...RICHMOND (STATEN ISLAND) AND HUDSON COUNTIES...

AT 835 PM EDT...SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY 
RAINFALL CONTINUE TO PRODUCE FLASH FLOODING ACROSS THE WARNED AREA. 
SEVERAL SMALL RIVERS AND STREAMS ARE APPROACHING OR HAVE EXCEEDED 
BANKFULL.

THERE HAVE BEEN NUMEROUS REPORTS REPORTS OF RESCUES ACROSS BERGEN 
COUNTY.

ADDITIONAL HEAVY RAINFALL IS LIKELY DURING THE NEXT HOUR.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE 
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS 
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY
AND SOUTHEAST NEW YORK.

&&

LAT...LON 4091 7434 4103 7397 4100 7390 4105 7389
      4112 7370 4097 7365 4087 7373 4085 7366
      4090 7364 4080 7361 4063 7405 4070 7403
      4063 7406 4057 7421 4060 7422 4059 7446

$$

DSW
625 
WGUS71 KOKX 040128
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
928 PM EDT THU JUL 3 2014

NJC003-013-017-031-039-NYC005-047-059-061-081-085-119-040137-
/O.EXP.KOKX.FF.W.0013.000000T0000Z-140704T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUDSON NJ-RICHMOND (STATEN ISLAND) NY-ESSEX NJ-BERGEN NJ-
WESTCHESTER NY-BRONX NY-NEW YORK (MANHATTAN) NY-UNION NJ-PASSAIC NJ-
NASSAU NY-QUEENS NY-KINGS (BROOKLYN) NY-
928 PM EDT THU JUL 3 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 930 PM EDT FOR KINGS
(BROOKLYN)...QUEENS...NORTHWESTERN NASSAU...PASSAIC...UNION...NEW
YORK (MANHATTAN)...BRONX...WESTCHESTER...SOUTHEASTERN BERGEN...
ESSEX...RICHMOND (STATEN ISLAND) AND HUDSON COUNTIES...

THE HEAVIEST RAINFALL HAS MOVED OFF TO THE EAST. WATERS LEVELS WILL 
BE RECEDING.

LAT...LON 4091 7434 4103 7397 4100 7390 4105 7389
      4112 7370 4097 7365 4087 7373 4085 7366
      4090 7364 4080 7361 4063 7405 4070 7403
      4063 7406 4057 7421 4060 7422 4059 7446

$$

DSW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 5:16 PM EDTSevere Thunderstorm WarningOKXBergen, Passaic29 min
Jul 3, 5:33 PM EDTAreal Flood AdvisoryOKXBergen, Passaic117 min
Jul 3, 5:39 PM EDTFlash Flood WarningOKXBergen, Passaic96 min
Jul 3, 5:46 PM EDTSevere Thunderstorm WarningOKXBergen, Passaic29 min
Jul 3, 6:15 PM EDTSevere Thunderstorm WarningOKXBergen, Passaic45 min
Jul 3, 6:52 PM EDTSpecial Weather StatementOKXBergen, Essex, Hudson, Union53 min
Jul 3, 6:58 PM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic, Union2 hr
Jul 3, 7:18 PM EDTSevere Thunderstorm WarningOKXBergen, Hudson27 min
Jul 3, 7:21 PM EDTSevere Thunderstorm WarningOKXBergen, Passaic39 min
Jul 3, 7:22 PM EDTFlash Flood WarningOKXBergen, Passaic2 hr
Jul 3, 7:30 PM EDTSevere Thunderstorm WarningOKXBergen, Essex, Hudson, Passaic, Union30 min
Jul 3, 7:55 PM EDTSevere Thunderstorm WarningOKXBergen, Passaic65 min
Jul 3, 7:57 PM EDTSevere Thunderstorm WarningOKXBergen, Essex, Hudson, Passaic, Union63 min
Jul 2, 8:25 PM EDTSpecial Weather StatementOKXNassau50 min
Jul 3, 3:43 AM EDTHeat AdvisoryOKXBronx, Kings, New York, Queens, Richmond13 hr
Jul 3, 6:22 AM EDTSmall Craft Advisory for Hazardous SeasOKX11 hr
Jul 3, 3:25 PM EDTSpecial Weather StatementOKXOrange50 min
Jul 3, 4:18 PM EDTHigh Surf AdvisoryOKXKings, Nassau, Queens, Suffolk38 hr
Jul 3, 4:58 PM EDTSmall Craft AdvisoryOKX45 hr
Jul 3, 4:59 PM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk42 hr
Jul 3, 5:25 PM EDTSpecial Weather StatementOKXOrange35 min
Jul 3, 5:44 PM EDTSevere Thunderstorm WarningOKXOrange46 min
Jul 3, 5:59 PM EDTSevere Thunderstorm WarningOKXOrange31 min
Jul 3, 6:13 PM EDTAreal Flood AdvisoryOKXOrange92 min
Jul 3, 6:30 PM EDTSevere Thunderstorm WarningOKXOrange45 min
Jul 3, 6:46 PM EDTFlash Flood WarningOKXOrange119 min
Jul 3, 7:01 PM EDTSevere Thunderstorm WarningOKXPutnam, Westchester44 min
Jul 3, 7:07 PM EDTSpecial Marine WarningOKX38 min
Jul 3, 7:45 PM EDTSevere Thunderstorm WarningOKXPutnam, Westchester45 min

Nearby

Flash Flood Warnings in New York, 2014Flash Flood Warnings in New Jersey, 2014Every 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.