Alert archive / Connecticut / Flash Flood Warnings in 2016
Flash Flood Warning 15, NWS New York, NY
NWS New York, NY issued this flash flood warning at Oct 21, 2016, 6:45 PM EDT for Southeastern Connecticut Planning Region, Connecticut. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 21, 2016, 6:45 PM EDT (22:45 UTC)
- Expired
- Oct 21, 2016, 7:45 PM EDT
- In force
- 60 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The Boston radar (KBOX), 90 km from the middle of the area, began a volume at 22:47 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.8 hours before the alert went out and 100 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
- 217 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted.
611 WGUS51 KOKX 212245 FFWOKX CTC011-212345- /O.NEW.KOKX.FF.W.0015.161021T2245Z-161021T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW YORK NY 645 PM EDT FRI OCT 21 2016 THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL NEW LONDON COUNTY IN SOUTHERN CONNECTICUT... * UNTIL 745 PM EDT * AT 644 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO CONTINUE WITH MAXIMUM HOURLY RATES APPROACHING 2 INCHES. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... NORWICH...NEW LONDON...GROTON...WATERFORD...LEDYARD...PRESTON... LISBON...SPRAGUE...BOZRAH...LEDYARD CENTER...GALES FERRY... MONTVILLE AND FRANKLIN. LAT...LON 4164 7200 4137 7202 4137 7215 4166 7215 $$ GC
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 5:15 AM EDT | Coastal Flood Statement | OKX | Greater Bridgeport Planning Region | 12 hr |
| Oct 21, 11:46 AM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region | 59 min |
| Oct 21, 12:40 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region | 2 hr |
| Oct 21, 5:01 PM EDT | Areal Flood Advisory | OKX | Southeastern Connecticut Planning Region | 59 min |
| Oct 21, 5:42 PM EDT | Flash Flood Warning | OKX | Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region | 63 min |
| Oct 21, 6:27 PM EDT | Areal Flood Advisory | OKX | Southeastern Connecticut Planning Region | 63 min |
| Oct 21, 7:29 PM EDT | Areal Flood Advisory | OKX | Southeastern Connecticut Planning Region | 61 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.