Alert archive / New York / Flash Flood Warnings in 2013

Flash Flood Warning 13, NWS New York, NY

June 7, 2013Suffolk County, New York

NWS New York, NY issued this flash flood warning at Jun 7, 2013, 6:53 PM EDT for Suffolk County, New York. It was in force for 3 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 7, 2013, 6:53 PM EDT (22:53 UTC)
Expired
Jun 7, 2013, 9:45 PM EDT
In force
3 hr
Issued by
NWS New York, NY
Area
Storm-based polygon
Flood severity
None

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 68 km from the middle of the area, began a volume at 22:55 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
Jun 7, 7:33 PM EDTFLASH FLOODWater Mill, NYBOTH DIRECTIONS OF DEERFIELD ROAD BETWEEN HEAD OF POND-SCUTTLE HOLE ROAD AND EDGE OF WOODS ROAD 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, 10.9 hours before the alert went out and 68 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 2013-06-07Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2013-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 square meters per square second.19395878Sfc1 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
511 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
310 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.

444 
WGUS51 KOKX 072253
FFWOKX
NYC103-080145-
/O.NEW.KOKX.FF.W.0013.130607T2253Z-130608T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
653 PM EDT FRI JUN 7 2013

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SUFFOLK COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 945 PM EDT...

* AT 651 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
AN AREA OF VERY HEAVY RAINFALL WITH RAINFALL RATES BETWEEN 2 AND 4 
INCHES PER HOUR MOVING ONTO THE SOUTH FORK OF LONG ISLAND. THIS 
HEAVY RAIN WILL CAUSE FLOODING OF ROADS...ESPECIALLY IN LOW LYING 
AND POOR DRAINAGE AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 4104 7188 4075 7279 4099 7266 4120 7217
      4119 7215 4111 7233 4102 7212 4120 7213
      4121 7212 4115 7212 4127 7206 4128 7205
      4118 7210 4130 7192 4129 7192 4113 7212
      4100 7210 4107 7185

$$
1 follow-up statement
482 
WGUS71 KOKX 080138
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
938 PM EDT FRI JUN 7 2013

NYC103-080145-
/O.EXP.KOKX.FF.W.0013.000000T0000Z-130608T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUFFOLK NY-
938 PM EDT FRI JUN 7 2013

...THE FLASH FLOOD WARNING WILL EXPIRE AT 945 PM EDT FOR SUFFOLK
COUNTY...

THE HEAVIEST RAIN HAS MOVED TO THE NORTH AND FLASH FLOODING IS NO 
LONGER IMMINENT...THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED 
TO EXPIRE. HOWEVER...SCATTERED SHOWERS PRODUCING MODERATE TO HEAVY 
RAIN AT TIMES WILL CONTINUE FOR THE NEXT FEW HOURS.

LAT...LON 4104 7188 4075 7279 4099 7266 4120 7217
      4119 7215 4111 7233 4102 7212 4120 7213
      4121 7212 4115 7212 4127 7206 4128 7205
      4118 7210 4130 7192 4129 7192 4113 7212
      4100 7210 4107 7185

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:20 AM EDTCoastal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Queens, Richmond and 2 more18 hr
Jun 7, 4:20 AM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk17 hr
Jun 7, 9:25 AM EDTAreal Flood AdvisoryOKXOrange50 min
Jun 7, 3:42 PM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Queens, Richmond3 hr
Jun 7, 4:11 PM EDTFlash Flood WarningOKXBronx, Kings, Nassau, New York, Queens, Suffolk5 hr
Jun 7, 4:36 PM EDTHigh Surf AdvisoryOKXKings, Nassau, Queens, Suffolk28 hr
Jun 7, 5:00 PM EDTAreal Flood AdvisoryOKXSuffolk4 hr
Jun 7, 5:20 PM EDTAreal Flood WarningOKXPutnam, Westchester3 hr
Jun 7, 5:42 PM EDTSpecial Marine WarningOKX33 min
Jun 7, 6:28 PM EDTSpecial Marine WarningOKX32 min
Jun 7, 6:39 PM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Queens, Richmond3 hr
Jun 7, 7:39 PM EDTSpecial Marine WarningOKX36 min
Jun 7, 7:54 PM EDTSpecial Marine WarningOKX111 min

Nearby

Flash Flood Warnings in New York, 2013Every 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.