Alert archive / Connecticut / Tornado Warnings in 2013

Tornado Warning 2, NWS New York, NY

July 1, 2013Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this tornado warning at Jul 1, 2013, 11:08 AM EDT for Greater Bridgeport Planning Region, Connecticut. It was in force for 22 min. 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
Jul 1, 2013, 11:08 AM EDT (15:08 UTC)
Expired
Jul 1, 2013, 11:30 AM EDT
In force
22 min
Issued by
NWS New York, NY
Area
Storm-based polygon

County Greater Bridgeport Planning Region, CT

The radar

The Brookhaven radar (KOKX), 64 km from the middle of the area, began a volume at 15:08 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

TimeReportWhereRemark
Jul 1, 11:20 AM EDTTSTM WND DMGWilton, CTTREES AND POWER LINES DOWN ON DRUM HILL ROAD. ROAD CLOSED.
Jul 1, 11:25 AM EDTTSTM WND DMGRedding, CTTREE AND WIRES DOWN NEAR 41 SHERMAN TURNPIKE
Jul 1, 11:40 AM EDTTSTM WND DMGRedding, CTTREE AND WIRES DOWN NEAR 41 SHERMAN TURNPIKE

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, 3.1 hours before the alert went out and 64 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2013-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2013-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
687 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
438 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

616 
WFUS51 KOKX 011508
TOROKX
CTC001-011530-
/O.NEW.KOKX.TO.W.0002.130701T1508Z-130701T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1108 AM EDT MON JUL 1 2013

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* TORNADO WARNING FOR...
  FAIRFIELD COUNTY IN SOUTHERN CONNECTICUT...

* UNTIL 1130 AM EDT...

* AT 1104 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NEW   
  CANAAN...MOVING NORTHEAST AT 25 MPH JUST NORTH OF THE MERRITT
  PARKWAY.

* THE TORNADO WILL BE NEAR...
  
  WILTON BY 1125 AM...
  GEORGETOWN BY 1130 AM...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4131 7338 4117 7326 4109 7359 4113 7364
      4116 7360 4121 7349 4122 7348 4123 7350
TIME...MOT...LOC 1506Z 237DEG 20KT 4114 7356

$$

TONGUE
2 follow-up statements
332 
WWUS51 KOKX 011524
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
1124 AM EDT MON JUL 1 2013

CTC001-011530-
/O.CON.KOKX.TO.W.0002.000000T0000Z-130701T1530Z/
FAIRFIELD CT-
1124 AM EDT MON JUL 1 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT FOR
FAIRFIELD COUNTY...

AT 1116 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADARS CONTINUE TO 
INDICATE A STRONG ROTATING THUNDERSTORM OVER WILTON...MOVING 
NORTHEAST AT 25 MPH. THIS STORM HAS A HISTORY OF POSSIBLE TORNADOES 
EARLIER THIS MORNING OVER NEW JERSEY. 

THIS STORM HAS THE POTENTIAL TO PRODUCE A TORNADO AS IT MOVES 
THROUGH WILTON TOWARDS WESTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4119 7330 4116 7348 4119 7351 4121 7348
      4122 7349 4122 7348 4122 7349 4123 7350
      4131 7338
TIME...MOT...LOC 1520Z 237DEG 22KT 4119 7346

$$

JST
607 
WWUS51 KOKX 011529
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
1129 AM EDT MON JUL 1 2013

CTC001-011537-
/O.EXP.KOKX.TO.W.0002.000000T0000Z-130701T1530Z/
FAIRFIELD CT-
1129 AM EDT MON JUL 1 2013

...THE TORNADO WARNING FOR SOUTHERN FAIRFIELD COUNTY WILL EXPIRE AT 
1130 AM EDT...

THE CIRCULATION ASSOCIATED WITH THE THUNDERSTORM OVER WILTON AND 
WESTON HAS WEAKENED...THUS THE TORNADO WARNING WILL EXPIRE AT 1130 
AM.

LAT...LON 4119 7330 4116 7348 4119 7351 4121 7348
      4122 7349 4122 7348 4122 7349 4123 7350
      4131 7338
TIME...MOT...LOC 1527Z 233DEG 17KT 4121 7343

$$

JST

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 4:34 AM EDTFlash Flood WatchOKXGreater Bridgeport Planning Region41 hr
Jul 1, 10:31 AM EDTFlash Flood WarningOKXGreater Bridgeport Planning Region119 min
Jul 1, 11:18 AM EDTFlash Flood WarningOKXGreater Bridgeport Planning Region117 min
Jul 1, 12:34 PM EDTAreal Flood AdvisoryOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region116 min

Nearby

Tornado Warnings in Connecticut, 2013Every tornado warning in 2013Tornadoes in 2013

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.