Alert archive / New York / Flash Flood Warnings in 2016
Flash Flood Warning 12, NWS New York, NY
NWS New York, NY issued this flash flood warning at Sep 1, 2016, 3:43 PM EDT for Suffolk County, New York. 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
- Sep 1, 2016, 3:43 PM EDT (19:43 UTC)
- Expired
- Sep 1, 2016, 5:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Suffolk County, NY
The radar
The Brookhaven radar (KOKX), 42 km from the middle of the area, began a volume at 19:46 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 1, 4:25 PM EDT | FLASH FLOOD | Babylon, NY | NUMEROUS ROADS CLOSED DUE TO FLOODING IN BABYLON INCLUDING 109...JOHN STREET...MONTAUK HIGHWAY...AND THE INTERSECTION OF PARK AVENUE AND DEER PARK AVENUE. |
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, 7.7 hours before the alert went out and 41 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.
- Mixed-layer CAPE
- 363 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
988
WGUS51 KOKX 011943
FFWOKX
NYC103-012145-
/O.NEW.KOKX.FF.W.0012.160901T1943Z-160901T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
343 PM EDT THU SEP 1 2016
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN SUFFOLK COUNTY IN SOUTHEASTERN NEW YORK...
* UNTIL 545 PM EDT
* AT 343 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ISLIP...LINDENHURST...BABYLON...AMITYVILLE...BAY SHORE...
CAPTREE STATE PARK...GILGO STATE PARK...BRIGHTWATERS...WYANDANCH...
BAYWOOD...WEST ISLIP...COPIAGUE...EAST FARMINGDALE...
EAST ISLIP AND NORTH BAY SHORE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
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.
&&
LAT...LON 4074 7344 4078 7321 4069 7317 4070 7323
4068 7327 4067 7332 4065 7337 4065 7331
4067 7327 4067 7324 4066 7322 4067 7321
4067 7318 4066 7317 4062 7332 4063 7332
4062 7335 4061 7340
$$
NV2 follow-up statements
154
WGUS71 KOKX 012049
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
449 PM EDT THU SEP 1 2016
NYC103-012145-
/O.CON.KOKX.FF.W.0012.000000T0000Z-160901T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUFFOLK NY-
449 PM EDT THU SEP 1 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR
WESTERN SUFFOLK COUNTY...
AT 442 PM EDT...THE PUBLIC REPORTED FLASH FLOODING OCCURRING IN
BABYLON...WITH MULTIPLE CLOSED ROADS. 2 TO 2 1/2 INCHES OF RAIN HAVE
ALREADY FALLEN IN THIS AREA...WITH ANOTHER INCH POSSIBLE OVER THE
NEXT HOUR.
THE HEAVIEST RAINFALL RATES OF 1 TO 2 INCHES PER HOUR ARE CURRENTLY
FOCUSED OVER THE ISLIP AREA. FLOODING IS IMMINENT IN THIS AREA.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ISLIP...LINDENHURST...BABYLON...AMITYVILLE...BAY SHORE...
CAPTREE STATE PARK...GILGO STATE PARK...BRIGHTWATERS...WYANDANCH...
BAYWOOD...WEST ISLIP...COPIAGUE...EAST FARMINGDALE...
EAST ISLIP AND NORTH BAY SHORE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4074 7344 4078 7321 4069 7317 4070 7323
4068 7327 4067 7332 4065 7337 4065 7331
4067 7327 4067 7324 4066 7322 4067 7321
4067 7318 4066 7317 4062 7332 4063 7332
4062 7335 4061 7340
$$
NV643
WGUS71 KOKX 012141
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
541 PM EDT THU SEP 1 2016
NYC103-012149-
/O.EXP.KOKX.FF.W.0012.000000T0000Z-160901T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUFFOLK NY-
541 PM EDT THU SEP 1 2016
...THE FLASH FLOOD WARNING FOR WESTERN SUFFOLK COUNTY WILL EXPIRE AT
545 PM EDT...
ADDITIONAL FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE
CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 4074 7344 4078 7321 4069 7317 4070 7323
4068 7327 4067 7332 4065 7337 4065 7331
4067 7327 4067 7324 4066 7322 4067 7321
4067 7318 4066 7317 4062 7332 4063 7332
4062 7335 4061 7340
$$
NVThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 3:28 PM EDT | Areal Flood Advisory | OKX | Suffolk | 2 hr |
| Sep 1, 3:46 PM EDT | Areal Flood Advisory | OKX | Nassau, Queens | 119 min |
| Sep 1, 4:52 PM EDT | Areal Flood Advisory | OKX | Suffolk | 113 min |
Nearby
Flash Flood Warnings in New York, 2016Every flash flood warning in 2016
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.