Alert archive / New York / Flash Flood Warnings in 2012
Flash Flood Warning 23, NWS New York, NY
NWS New York, NY issued this flash flood warning at Aug 15, 2012, 1:23 PM EDT for Kings County, Nassau County, Queens County, New York. It was in force for 80 min. 3 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
- Aug 15, 2012, 1:23 PM EDT (17:23 UTC)
- Expired
- Aug 15, 2012, 2:43 PM EDT
- In force
- 80 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kings County, NY, Nassau County, NY, Queens County, NY
The radar
The Brookhaven radar (KOKX), 84 km from the middle of the area, began a volume at 17:26 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 |
|---|---|---|---|
| Aug 15, 2:05 PM EDT | FLASH FLOOD | Richmond Hill, NY | 86TH AVE AND 110TH ST IMPASSABLE DUE TO 2 FT OF STANDING WATER |
| Aug 15, 2:30 PM EDT | FLASH FLOOD | Kew Gardens, NY | ALL LANES BLOCKED AND SEVERAL DISABLED VEHICLES DUE TO FLOODING ON EASTBOUND GRAND CENTRAL PKWY AT KEW GARDENS INTERCHANGE |
| Aug 15, 2:30 PM EDT | FLASH FLOOD | Morris Park, NY | ALL LANES BLOCKED DUE TO FLOODING ON NORTHBOUND VAN WYCK BETWEEN JFK FEDERAL CIRCLE AND GRAND CENTRAL PKWY |
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, 5.4 hours before the alert went out and 84 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
- 1897 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
565
WGUS51 KOKX 151723
FFWOKX
NYC047-059-081-151915-
/O.NEW.KOKX.FF.W.0023.120815T1723Z-120815T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
123 PM EDT WED AUG 15 2012
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
QUEENS COUNTY IN SOUTHEAST NEW YORK...
WESTERN NASSAU COUNTY IN SOUTHEAST NEW YORK...
KINGS (BROOKLYN) COUNTY IN SOUTHEAST NEW YORK...
* UNTIL 315 PM EDT...
* AT 121 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM AN AREA OF THUNDERSTORMS OVER THE WARNED AREA.
THESE STORMS HAVE A HISTORY OF PRODUCING RAINFALL RATES OF UP TO 2
INCHES PER HOUR. EXCESSIVE RUNOFF WILL CAUSE FLOODING OF
HIGHWAYS...STREETS AND UNDERPASSES...AS WELL AS OTHER DRAINAGE AREAS
AND LOW LYING SPOTS.
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.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 4065 7402 4068 7403 4070 7401 4071 7397
4077 7393 4079 7389 4079 7387 4080 7385
4080 7377 4084 7376 4087 7370 4083 7365
4079 7364 4074 7368 4066 7385
$$2 follow-up statements
756
WGUS71 KOKX 151812
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
212 PM EDT WED AUG 15 2012
NYC047-081-151821-
/O.CAN.KOKX.FF.W.0023.000000T0000Z-120815T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KINGS (BROOKLYN) NY-QUEENS NY-
212 PM EDT WED AUG 15 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR QUEENS AND KINGS
(BROOKLYN) COUNTIES...
THE HEAVY THUNDERSTORMS THAT PRODUCE UP TO TWO INCHES OF RAINFALL IN
ONE HOUR HAVE MOVED OUTSIDE OF THE WARNING AREA...THEREFORE THE
WARNING HAS BEEN CANCELLED. PLEASE CONTINUE TO EXERCISE
CAUTION WHEN DRIVING SINCE PONDING ON ROADWAYS MAY STILL EXIST.
LAT...LON 4074 7370 4075 7370 4079 7376 4080 7377
4084 7376 4087 7370 4083 7365 4079 7364
4074 7368 4072 7373
$$
NYC059-151915-
/O.CON.KOKX.FF.W.0023.000000T0000Z-120815T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NASSAU NY-
212 PM EDT WED AUG 15 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR WEST
CENTRAL NASSAU COUNTY...
AT 209 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 4074 7370 4075 7370 4079 7376 4080 7377
4084 7376 4087 7370 4083 7365 4079 7364
4074 7368 4072 7373
$$291
WGUS71 KOKX 151843
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
243 PM EDT WED AUG 15 2012
NYC059-151854-
/O.CAN.KOKX.FF.W.0023.000000T0000Z-120815T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NASSAU NY-
243 PM EDT WED AUG 15 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WEST CENTRAL NASSAU
COUNTY...
THE HEAVY THUNDERSTORMS THAT PRODUCE UP TO TWO INCHES OF RAINFALL IN
ONE HOUR HAVE MOVED OUTSIDE OF THE WARNING AREA...THEREFORE THE
WARNING HAS BEEN CANCELLED. PLEASE CONTINUE TO EXERCISE
CAUTION WHEN DRIVING SINCE PONDING ON ROADWAYS MAY STILL EXIST.
LAT...LON 4074 7370 4075 7370 4079 7376 4080 7377
4084 7376 4087 7370 4083 7365 4079 7364
4074 7368 4072 7373
$$The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 12:38 AM EDT | Special Weather Statement | OKX | Nassau | 67 min |
| Aug 15, 1:28 AM EDT | Areal Flood Advisory | OKX | Nassau, Suffolk | 92 min |
| Aug 15, 1:32 AM EDT | Special Weather Statement | OKX | Suffolk | 58 min |
| Aug 15, 2:21 AM EDT | Special Weather Statement | OKX | Suffolk | 54 min |
| Aug 15, 2:36 AM EDT | Special Marine Warning | OKX | 54 min | |
| Aug 15, 3:25 AM EDT | Special Marine Warning | OKX | 65 min | |
| Aug 15, 3:28 AM EDT | Special Weather Statement | OKX | Orange | 62 min |
| Aug 15, 4:27 AM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 48 min |
| Aug 15, 5:17 AM EDT | Areal Flood Advisory | OKX | Putnam, Westchester | 88 min |
| Aug 15, 6:09 AM EDT | Special Marine Warning | OKX | 66 min | |
| Aug 15, 7:50 AM EDT | Special Weather Statement | OKX | Suffolk | 70 min |
| Aug 15, 11:01 AM EDT | Special Weather Statement | OKX | Nassau | 29 min |
| Aug 15, 11:16 AM EDT | Flash Flood Warning | OKX | Nassau | 89 min |
| Aug 15, 11:25 AM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 50 min |
| Aug 15, 11:59 AM EDT | Special Weather Statement | OKX | Suffolk | 61 min |
| Aug 15, 12:07 PM EDT | Special Marine Warning | OKX | 83 min | |
| Aug 15, 12:09 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 51 min |
| Aug 15, 12:12 PM EDT | Flash Flood Warning | OKX | Suffolk | 78 min |
| Aug 15, 12:21 PM EDT | Areal Flood Advisory | OKX | Suffolk | 54 min |
| Aug 15, 12:21 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 54 min |
| Aug 15, 12:50 PM EDT | Special Weather Statement | OKX | New York, Queens | 55 min |
| Aug 15, 1:09 PM EDT | Areal Flood Advisory | OKX | Kings, Queens | 81 min |
| Aug 15, 1:24 PM EDT | Severe Thunderstorm Warning | OKX | Kings, New York, Queens | 51 min |
| Aug 15, 1:33 PM EDT | Special Marine Warning | OKX | 87 min | |
| Aug 15, 1:50 PM EDT | Areal Flood Advisory | OKX | Suffolk | 85 min |
| Aug 15, 2:06 PM EDT | Special Weather Statement | OKX | Nassau | 54 min |
| Aug 15, 3:34 PM EDT | Flash Flood Warning | OKX | Kings, Queens | 116 min |
| Aug 15, 3:41 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Nassau, New York, Queens | 43 min |
| Aug 15, 3:57 PM EDT | Special Marine Warning | OKX | 69 min | |
| Aug 15, 4:21 PM EDT | Special Weather Statement | OKX | Bronx, New York, Putnam, Rockland, Westchester | 54 min |
| Aug 15, 4:38 PM EDT | Areal Flood Advisory | OKX | Orange, Rockland, Westchester | 112 min |
| Aug 15, 4:45 PM EDT | Areal Flood Advisory | OKX | Putnam | 90 min |
| Aug 15, 4:48 PM EDT | Severe Thunderstorm Warning | OKX | Rockland, Westchester | 57 min |
| Aug 15, 5:11 PM EDT | Special Marine Warning | OKX | 2 hr | |
| Aug 15, 5:37 PM EDT | Special Weather Statement | OKX | Richmond | 53 min |
| Aug 15, 5:45 PM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 50 min |
| Aug 15, 7:13 PM EDT | Special Weather Statement | OKX | Orange | 62 min |
Nearby
Flash Flood Warnings in New York, 2012Every flash flood warning in 2012
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.