Alert archive / Connecticut / Flash Flood Warnings in 2012
Flash Flood Warning 17, NWS New York, NY
NWS New York, NY issued this flash flood warning at Aug 1, 2012, 2:42 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 2 hr. 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 1, 2012, 2:42 PM EDT (18:42 UTC)
- Expired
- Aug 1, 2012, 4:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The Brookhaven radar (KOKX), 78 km from the middle of the area, began a volume at 18:45 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 1, 2:55 PM EDT | FLASH FLOOD | Naugatuck, CT | AT LEAST SIX INCHES OF FLOWING WATER ON SOUTH MAIN STREET...UNDERPASS TO SALEM BRIDGE AT ROUTE 63 CLOSED DUE TO FLOODING. TIME BASED ON RADAR. |
| Aug 1, 3:00 PM EDT | FLASH FLOOD | Naugatuck, CT | AT LEAST SIX INCHES OF FLOWING WATER ON SOUTH MAIN STREET...UNDERPASS TO SALEM BRIDGE ON ROUTE 63 AT ROUTE 8 CLOSED DUE TO FLOODING. CORRECTED BASED ON FOLLOW UP REPORT. |
| Aug 1, 3:30 PM EDT | FLASH FLOOD | Naugatuck, CT | NUMEROUS ROAD CLOSURES AND IMPASSABLE ROADS 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, 6.7 hours before the alert went out and 78 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
- 140 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 893 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
621
WGUS51 KOKX 011842
FFWOKX
CTC009-012045-
/O.NEW.KOKX.FF.W.0017.120801T1842Z-120801T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
242 PM EDT WED AUG 1 2012
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN NEW HAVEN COUNTY IN SOUTHERN CONNECTICUT...
* UNTIL 445 PM EDT...
* AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AT 240 PM...RADAR ESTIMATES 2 TO 3 INCHES OF RAIN HAD ALREADY FALLEN
OVER THE AREA. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE
POSSIBLE IN THE WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
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 4156 7294 4157 7288 4155 7286 4157 7284
4156 7282 4158 7280 4158 7276 4147 7284
4144 7315 4157 7312 4159 7307 4161 7306
4163 7302 4163 7293
$$
JC2 follow-up statements
577
WGUS71 KOKX 011951
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
351 PM EDT WED AUG 1 2012
CTC009-012045-
/O.CON.KOKX.FF.W.0017.000000T0000Z-120801T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW HAVEN CT-
351 PM EDT WED AUG 1 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR NORTH
CENTRAL NEW HAVEN COUNTY...
AT 345 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA. SIGNIFICANT FLASH FLOODING HAS BEEN REPORTED IN NAUGATUCK WITH
THIS HEAVY RAINFALL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RADAR ESTIMATES 3 TO 4 INCHES OF RAIN HAD ALREADY FALLEN OVER THE
AREA. ADDITIONAL RAINFALL AMOUNTS OF ANOTHER INCH IS POSSIBLE IN THE
WARNED AREA...PRIMARILY NORTH AND EAST OF NAUGATUCK.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 4156 7294 4157 7288 4155 7286 4157 7284
4156 7282 4158 7280 4158 7276 4147 7284
4144 7315 4157 7312 4159 7307 4161 7306
4163 7302 4163 7293
$$
JC388
WGUS71 KOKX 012043
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
443 PM EDT WED AUG 1 2012
CTC009-012052-
/O.EXP.KOKX.FF.W.0017.000000T0000Z-120801T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW HAVEN CT-
443 PM EDT WED AUG 1 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 445 PM EDT FOR NORTH
CENTRAL NEW HAVEN COUNTY...
THE HEAVY RAIN AND FLASH FLOODING THREATS HAVE ENDED FOR THE TIME
BEING.
LAT...LON 4156 7294 4157 7288 4155 7286 4157 7284
4156 7282 4158 7280 4158 7276 4147 7284
4144 7315 4157 7312 4159 7307 4161 7306
4163 7302 4163 7293
$$
JCThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 1:45 PM EDT | Areal Flood Advisory | OKX | Naugatuck Valley Planning Region | 2 hr |
| Aug 1, 5:47 PM EDT | Areal Flood Advisory | OKX | Naugatuck Valley Planning Region | 118 min |
Nearby
Flash Flood Warnings in Connecticut, 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.