Alert archive / Connecticut / Flash Flood Warnings in 2012

Flash Flood Warning 5, NWS New York, NY

June 25, 2012Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this flash flood warning at Jun 25, 2012, 9:12 AM EDT for Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region, 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: Jun 25, 2012, 9:12 AM EDT (13:12 UTC)
Expired: Jun 25, 2012, 12:15 PM EDT
In force: 3 hr
Issued by: NWS New York, NY
Area: Storm-based polygon
Flood severity: None

Counties Lower Connecticut River Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT

The radar

The Brookhaven radar (KOKX), 78 km from the middle of the area, began a volume at 13:12 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 25, 9:45 AM EDT	FLASH FLOOD	1 Ese Massapeag, CT	ROUTE 12 AT STODDARDS WHARF RD CLOSED 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, 1.2 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1055 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 785 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

772 
WGUS51 KOKX 251312
FFWOKX
CTC007-011-251615-
/O.NEW.KOKX.FF.W.0005.120625T1312Z-120625T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
912 AM EDT MON JUN 25 2012

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MIDDLESEX COUNTY IN SOUTHERN CONNECTICUT...
  WESTERN NEW LONDON COUNTY IN SOUTHERN CONNECTICUT...

* UNTIL 1215 PM EDT...

* AT 908 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 ARE POSSIBLE IN PARTS OF THE 
WARNED AREA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN UPTON
NY.

&&

LAT...LON 4146 7197 4128 7256 4131 7259 4132 7258
      4133 7261 4138 7261 4161 7205 4153 7201
      4153 7200

$$

GOODMAN

2 follow-up statements

631 
WGUS71 KOKX 251509
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
1109 AM EDT MON JUN 25 2012

CTC007-011-251615-
/O.CON.KOKX.FF.W.0005.000000T0000Z-120625T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW LONDON CT-MIDDLESEX CT-
1109 AM EDT MON JUN 25 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT FOR
MIDDLESEX AND WESTERN NEW LONDON COUNTIES...

AT 1100 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF SHOWERS IMPACTING THE AREA. WHILE ADDITIONAL HEAVY RAINFALL 
IS NOT ANTICIPATED....REPORTS FROM DOPPLER RADAR AND OBSERVATIONS 
INDICATE SEVERAL INCHES OF RAIN FELL IN A SHORT AMOUNT OF TIME. 

ANY AREAS OF HIGH WATER WILL GRADUALLY SUBSIDE OVER THE NEXT COUPLE 
OF HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. 
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE 
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS 
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY 
AUTOMOBILE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN UPTON 
NY.

&&

LAT...LON 4146 7197 4128 7256 4131 7259 4132 7258
      4133 7261 4138 7261 4161 7205 4153 7201
      4153 7200

$$

DSW

621 
WGUS71 KOKX 251613
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
1213 PM EDT MON JUN 25 2012

CTC007-011-251623-
/O.EXP.KOKX.FF.W.0005.000000T0000Z-120625T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW LONDON CT-MIDDLESEX CT-
1213 PM EDT MON JUN 25 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1215 PM EDT FOR MIDDLESEX
AND WESTERN NEW LONDON COUNTIES...

LAT...LON 4146 7197 4128 7256 4131 7259 4132 7258
      4133 7261 4138 7261 4161 7205 4153 7201
      4153 7200

$$

DSW

The office that day

Everything else NWS New York, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 6:52 AM EDT	Special Weather Statement	OKX		53 min
Jun 25, 7:38 AM EDT	Special Weather Statement	OKX		67 min
Jun 25, 8:39 AM EDT	Special Weather Statement	OKX		66 min
Jun 25, 8:45 AM EDT	Areal Flood Advisory	OKX	Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	2 hr
Jun 25, 2:06 PM EDT	Special Weather Statement	OKX		54 min
Jun 25, 2:36 PM EDT	Special Weather Statement	OKX		54 min
Jun 25, 2:40 PM EDT	Special Weather Statement	OKX		50 min
Jun 25, 3:29 PM EDT	Special Weather Statement	OKX		46 min
Jun 25, 4:18 PM EDT	Special Weather Statement	OKX		42 min
Jun 25, 5:37 PM EDT	Special Weather Statement	OKX		53 min

Nearby

Flash Flood Warnings in Connecticut, 2012 Every 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.