Alert archive / Connecticut / Flash Flood Warnings in 2016
Flash Flood Warning 7, NWS New York, NY
NWS New York, NY issued this flash flood warning at Aug 11, 2016, 7:21 PM EDT for Lower Connecticut River Valley Planning Region, Connecticut. It was in force for 114 min. 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
- Aug 11, 2016, 7:21 PM EDT (23:21 UTC)
- Expired
- Aug 11, 2016, 9:15 PM EDT
- In force
- 114 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The Brookhaven radar (KOKX), 83 km from the middle of the area, began a volume at 23:22 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 11, 8:20 PM EDT | FLASH FLOOD | 1 Nnw Lakeridge Heights, CT | RANDOLPH ROAD FLOODED. |
| Aug 11, 8:20 PM EDT | FLASH FLOOD | 1 Se South Farms, CT | ROUTE 9 FLOODED BETWEEN EXITS 11 AND 12. |
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, 11.4 hours before the alert went out and 83 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
- 1804 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
901
WGUS51 KOKX 112321
FFWOKX
CTC007-120115-
/O.NEW.KOKX.FF.W.0007.160811T2321Z-160812T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
721 PM EDT THU AUG 11 2016
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN MIDDLESEX COUNTY IN SOUTHERN CONNECTICUT...
* UNTIL 915 PM EDT
* AT 720 PM EDT...DOPPLER RADAR INDICATED BACK BUILDING
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
TWO INCHES OF RAIN HAVE ALREADY FALLEN...WITH RAINFALL RATES OF 2
INCHES PER HOURS BEING DETECTED. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MIDDLETOWN...EAST HAMPTON...HARTFORD...BERLIN...ROCKY HILL...
CROMWELL...PORTLAND...EAST HADDAM...HADDAM...MARLBOROUGH...
MIDDLEFIELD...LAKE POCOTOPAUG--EAST HAMPTON AND MOODUS.
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...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
&&
LAT...LON 4155 7245 4149 7246 4154 7275 4159 7275
4159 7273 4160 7273 4161 7272 4163 7271
4164 7263 4163 7262 4165 7250
$$
NV2 follow-up statements
095
WGUS71 KOKX 120003
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
803 PM EDT THU AUG 11 2016
CTC007-120115-
/O.CON.KOKX.FF.W.0007.000000T0000Z-160812T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX CT-
803 PM EDT THU AUG 11 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR
NORTHERN MIDDLESEX COUNTY...
AT 801 PM EDT...DOPPLER RADAR CONTINUES TO INDICATE THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. 4 TO 5 INCHES OF RAIN
HAVE BEEN ESTIMATED BY RADAR. FLASH FLOODING IS EXPECTED.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MIDDLETOWN...EAST HAMPTON...HARTFORD...BERLIN...ROCKY HILL...
CROMWELL...PORTLAND...EAST HADDAM...HADDAM...MARLBOROUGH...
MIDDLEFIELD...LAKE POCOTOPAUG--EAST HAMPTON AND MOODUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
&&
LAT...LON 4155 7245 4149 7246 4154 7275 4159 7275
4159 7273 4160 7273 4161 7272 4163 7271
4164 7263 4163 7262 4165 7250
$$
NV060
WGUS71 KOKX 120116
FFSOKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
916 PM EDT THU AUG 11 2016
CTC007-120122-
/O.EXP.KOKX.FF.W.0007.000000T0000Z-160812T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX CT-
916 PM EDT THU AUG 11 2016
...THE FLASH FLOOD WARNING FOR NORTHERN MIDDLESEX COUNTY WILL EXPIRE
AT 915 PM EDT...
THE HEAVY RAIN IS COMNIG TO AN END. UP TO 4 TO 6 INCHES OF RAIN HAVE
BEEN ESTIMATED ON RADAR IN THIS AREA...WITH UP TO 4 INCHES OBSERVED
OVER THE LAST 2 TO 3 HOURS. ADDITIONAL FLASH FLOODING IS NO LONGER
EXPECTED TO POSE A THREAT...BUT CONTINUE TO HEED ANY REMAINING ROAD
CLOSURES.
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST
FLOOD DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
LAT...LON 4155 7245 4149 7246 4154 7275 4159 7275
4159 7273 4160 7273 4161 7272 4163 7271
4164 7263 4163 7262 4165 7250
$$
NVThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 9:24 AM EDT | Special Weather Statement | OKX | 51 min | |
| Aug 11, 2:27 PM EDT | Excessive Heat Watch | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 24 hr |
| Aug 11, 3:26 PM EDT | Special Weather Statement | OKX | 49 min | |
| Aug 11, 4:41 PM EDT | Severe Thunderstorm Warning | OKX | Southeastern Connecticut Planning Region | 49 min |
| Aug 11, 6:46 PM EDT | Special Weather Statement | OKX | 44 min | |
| Aug 11, 6:53 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 52 min |
| Aug 11, 6:56 PM EDT | Areal Flood Advisory | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 2 hr |
| Aug 11, 7:45 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 45 min |
| Aug 11, 7:56 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region | 2 hr |
Nearby
Flash Flood Warnings in Connecticut, 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.