Alert archive / Connecticut / Flash Flood Warnings in 2011
Flash Flood Warning 6, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jun 23, 2011, 12:23 PM EDT for Greater Bridgeport Planning Region, Connecticut; Westchester County, New York. It was in force for 4 hr. 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
- Jun 23, 2011, 12:23 PM EDT (16:23 UTC)
- Expired
- Jun 23, 2011, 4:30 PM EDT
- In force
- 4 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greater Bridgeport Planning Region, CT, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 68 km from the middle of the area, began a volume at 16:23 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 23, 1:25 PM EDT | FLASH FLOOD | Yonkers, NY | BRONX RIVER PARKWAY AT PALMER ROAD CLOSED DUE TO FLOODING |
| Jun 23, 1:27 PM EDT | FLASH FLOOD | Yonkers, NY | EASTBOUND CROSS COUNTY PARKWAY CLOSED AT THE INTERSECTION OF THE SAW MILL PARKWAY |
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, 4.4 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.
- Mixed-layer CAPE
- 414 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
697
WGUS51 KOKX 231623
FFWOKX
CTC001-NYC119-231915-
/O.NEW.KOKX.FF.W.0006.110623T1623Z-110623T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1223 PM EDT THU JUN 23 2011
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
FAIRFIELD COUNTY IN SOUTHERN CONNECTICUT...
* UNTIL 315 PM EDT...
* AT 1219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED LOCALLY HEAVY RAINFALL ONGOING OVER THE WARNED
AREA...WITH A SECOND BATCH OF LOCALLY HEAVY RAINFALL ON THE WAY
THAT WILL PRODUCE FLASH FLOODING OVER THE WARNED AREA.
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.
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 4138 7316 4111 7325 4112 7328 4110 7335
4106 7341 4104 7347 4104 7349 4100 7357
4101 7360 4098 7365 4092 7389 4093 7391
4114 7390 4124 7396 4127 7397 4129 7395
4130 7397 4141 7319
$$
MALOIT2 follow-up statements
344
WGUS51 KOKX 231900
FFWOKX
CTC001-NYC119-232115-
/O.EXT.KOKX.FF.W.0006.000000T0000Z-110623T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
300 PM EDT THU JUN 23 2011
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
FAIRFIELD COUNTY IN SOUTHERN CONNECTICUT...
* UNTIL 515 PM EDT...
* AT 257 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 6
MILES WEST OF RIDGEFIELD TO 6 MILES NORTH OF PORT CHESTER TO
SCARSDALE...OR ALONG A LINE EXTENDING FROM 6 MILES SOUTH OF
BREWSTER TO 6 MILES NORTH OF PORT CHESTER TO WHITE
PLAINS...MOVING EAST AT 25 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 4138 7316 4111 7325 4112 7328 4110 7335
4106 7341 4104 7347 4104 7349 4100 7357
4101 7360 4098 7365 4092 7389 4093 7391
4114 7390 4124 7396 4127 7397 4129 7395
4130 7397 4141 7319
$$
MALOIT386
WGUS71 KOKX 232030
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
430 PM EDT THU JUN 23 2011
CTC001-NYC119-232039-
/O.CAN.KOKX.FF.W.0006.000000T0000Z-110623T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAIRFIELD CT-WESTCHESTER NY-
430 PM EDT THU JUN 23 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTCHESTER AND
FAIRFIELD COUNTIES...
HEAVY RAIN HAS MOVED TO THE EAST...AND NO ADDITIONAL HEAVY RAIN IS
EXPECTED.
LAT...LON 4138 7316 4111 7325 4112 7328 4110 7335
4106 7341 4104 7347 4104 7349 4100 7357
4101 7360 4098 7365 4092 7389 4093 7391
4114 7390 4124 7396 4127 7397 4129 7395
4130 7397 4141 7319
$$
GOODMANThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 11:59 AM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region | 46 min |
| Jun 23, 12:16 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region | 59 min |
| Jun 23, 12:56 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 64 min |
| Jun 23, 2:05 PM EDT | Flash Flood Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 2 hr |
| Jun 23, 2:29 PM EDT | Flash Flood Warning | OKX | Southeastern Connecticut Planning Region | 3 hr |
| Jun 23, 12:59 AM EDT | Marine Dense Fog Advisory | OKX | 9 hr | |
| Jun 23, 8:55 AM EDT | Areal Flood Advisory | OKX | Orange | 50 min |
| Jun 23, 9:45 AM EDT | Areal Flood Advisory | OKX | Orange | 2 hr |
| Jun 23, 10:13 AM EDT | Special Weather Statement | OKX | Rockland | 62 min |
| Jun 23, 10:51 AM EDT | Flash Flood Warning | OKX | Orange, Rockland | 6 hr |
| Jun 23, 11:10 AM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland, Westchester | 50 min |
| Jun 23, 1:24 PM EDT | Areal Flood Advisory | OKX | Nassau, Suffolk | 66 min |
| Jun 23, 1:58 PM EDT | Special Weather Statement | OKX | Suffolk | 62 min |
| Jun 23, 2:03 PM EDT | Flash Flood Warning | OKX | Suffolk | 117 min |
| Jun 23, 3:38 PM EDT | Flash Flood Warning | OKX | Suffolk | 118 min |
| Jun 23, 4:47 PM EDT | Areal Flood Warning | OKX | Orange, Rockland | 18 hr |
Nearby
Flash Flood Warnings in Connecticut, 2011Flash Flood Warnings in New York, 2011Every flash flood warning in 2011
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.