Alert archive / Connecticut / Flash Flood Warnings in 2019
Flash Flood Warning 13, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jul 22, 2019, 5:56 PM EDT for 4 counties in Connecticut. It was in force for 3 hr. 1 report 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
- Jul 22, 2019, 5:56 PM EDT (21:56 UTC)
- Expired
- Jul 22, 2019, 9:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT
The radar
The Brookhaven radar (KOKX), 53 km from the middle of the area, began a volume at 21:58 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 |
|---|---|---|---|
| Jul 22, 6:30 PM EDT | FLASH FLOOD | New Haven, CT | TERMINAL FLOODED AT NEW HAVEN AIRPORT WHEN HEAVY RAIN OVERWHELMED THE STORM DRAIN SYSTEM. THE AIRPORT IS CLOSED UNTIL 5:45 PM TUESDAY. |
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, 9.9 hours before the alert went out and 53 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1598 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
409
WGUS51 KOKX 222156
FFWOKX
CTC001-007-009-011-230100-
/O.NEW.KOKX.FF.W.0013.190722T2156Z-190723T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
556 PM EDT Mon Jul 22 2019
The National Weather Service in Upton NY has issued a
* Flash Flood Warning for...
Southwestern New London County in southern Connecticut...
Central Fairfield County in southern Connecticut...
New Haven County in southern Connecticut...
Middlesex County in southern Connecticut...
* Until 900 PM EDT.
* At 556 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is expected to
begin shortly.
* Some locations that will experience flooding include...
Bridgeport, New Haven, Meriden, Milford, Middletown, Wallingford,
Shelton, Guilford, Colchester, Clinton, East Hampton, Old Saybrook,
Durham, Salem and Chester.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4158 7247 4160 7234 4130 7210 4130 7216
4124 7238 4126 7241 4124 7254 4126 7259
4123 7270 4125 7278 4123 7289 4125 7292
4119 7300 4120 7305 4117 7309 4114 7309
4115 7319 4138 7314 4164 7263 4165 7250
$$2 follow-up statements
249
WGUS71 KOKX 222348
FFSOKX
Flash Flood Statement
National Weather Service New York NY
748 PM EDT Mon Jul 22 2019
CTC001-007-009-011-230100-
/O.CON.KOKX.FF.W.0013.000000T0000Z-190723T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New London CT-Fairfield CT-New Haven CT-Middlesex CT-
748 PM EDT Mon Jul 22 2019
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
SOUTHWESTERN NEW LONDON...CENTRAL FAIRFIELD...NEW HAVEN AND MIDDLESEX
COUNTIES...
At 745 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Much of the area has received between 1
and 2 inches of rainfall thus far. While the rain intensity is
decreasing, the flash flooding continues to be a threat with another
1/2 to 1 inch of rainfall expected.
Some locations that will experience flooding include...
Bridgeport, New Haven, Meriden, Milford, Middletown, Wallingford,
Shelton, Guilford, Colchester, Clinton, East Hampton, Old Saybrook,
Durham, Salem and Chester.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4158 7247 4160 7234 4130 7210 4130 7216
4124 7238 4126 7241 4124 7254 4126 7259
4123 7270 4125 7278 4123 7289 4125 7292
4119 7300 4120 7305 4117 7309 4114 7309
4115 7319 4138 7314 4164 7263 4165 7250
$$054
WGUS71 KOKX 230055
FFSOKX
Flash Flood Statement
National Weather Service New York NY
855 PM EDT Mon Jul 22 2019
CTC001-007-009-011-230103-
/O.EXP.KOKX.FF.W.0013.000000T0000Z-190723T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New London CT-Fairfield CT-New Haven CT-Middlesex CT-
855 PM EDT Mon Jul 22 2019
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN NEW LONDON...CENTRAL
FAIRFIELD...NEW HAVEN AND MIDDLESEX COUNTIES WILL EXPIRE AT 900 PM
EDT...
Although rainfall continues across the area, additional flash
flooding is not expected to pose a threat. Please continue to heed
any remaining road closures as the water may be slow to recede in
some areas.
LAT...LON 4158 7247 4160 7234 4130 7210 4130 7216
4124 7238 4126 7241 4124 7254 4126 7259
4123 7270 4125 7278 4123 7289 4125 7292
4119 7300 4120 7305 4117 7309 4114 7309
4115 7319 4138 7314 4164 7263 4165 7250
$$The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 3:47 PM EDT | Special Weather Statement | OKX | 43 min | |
| Jul 22, 3:56 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 49 min |
| Jul 22, 4:43 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 62 min |
| Jul 22, 4:58 PM EDT | Flash Flood Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 3 hr |
| Jul 22, 5:55 PM EDT | Special Weather Statement | OKX | 65 min | |
| Jul 22, 7:35 PM EDT | Special Weather Statement | OKX | 40 min | |
| Jul 22, 7:42 PM EDT | Areal Flood Advisory | OKX | Southeastern Connecticut Planning Region | 3 hr |
Nearby
Flash Flood Warnings in Connecticut, 2019Every flash flood warning in 2019
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.