Alert archive / Connecticut / Winter Storm Warnings in 2012

Winter Storm Warning 4, NWS New York, NY

December 29, 2012Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this winter storm warning at Dec 29, 2012, 11:32 AM EST for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 29, 2012, 11:32 AM EST (16:32 UTC)
Expired
Dec 30, 2012, 1:05 AM EST
In force
14 hr
Issued by
NWS New York, NY

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

The radar

The Brookhaven radar (KOKX), 74 km from the middle of the area, began a volume at 16:31 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, 4.5 hours before the alert went out and 74 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 2012-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

833 
WWUS41 KOKX 291632
WSWOKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
1132 AM EST SAT DEC 29 2012

...WINTRY WEATHER EXPECTED THROUGH TONIGHT...

CTZ007-008-011-012-300000-
/O.UPG.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
/O.NEW.KOKX.WS.W.0004.121229T1632Z-121230T1100Z/
NORTHERN MIDDLESEX-NORTHERN NEW LONDON-SOUTHERN MIDDLESEX-
SOUTHERN NEW LONDON-
1132 AM EST SAT DEC 29 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 6 AM EST SUNDAY. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* LOCATIONS...MIDDLESEX AND NEW LONDON COUNTIES IN SOUTHERN
  CONNECTICUT.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES.

* TEMPERATURES...IN THE UPPER 20S TO AROUND 30.

* VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES.

* TIMING...THE SNOW WILL DEVELOP THIS AFTERNOON AND CONTINUE
  THROUGH THIS EVENING...TAPERING OFF OVERNIGHT.

* IMPACTS...MODERATE SNOW WILL MAKE FOR DANGEROUS TRAVEL DURING
  THE AFTERNOON AND INTO THE NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CTZ005-006-009-010-NJZ002-004-006-103>108-NYZ067>071-300000-
/O.CON.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-SOUTHERN FAIRFIELD-
SOUTHERN NEW HAVEN-WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-
WESTERN BERGEN-EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-
WESTERN UNION-EASTERN UNION-ORANGE-PUTNAM-ROCKLAND-
NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
1132 AM EST SAT DEC 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
SUNDAY...

* LOCATIONS...THE LOWER HUDSON VALLEY OF NEW YORK...SOUTHWEST CONNECTICUT
  AND NORTHEAST NEW JERSEY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES. A FEW 
  SPOTS MAY EXCEED 6 INCHES...ESPECIALLY OVER INTERIOR 
  CONNECTICUT AND THE HUDSON RIVER VALLEY.

* TEMPERATURES...IN THE UPPER 20S TO AROUND 30.

* VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES.

* TIMING...THE SNOW WILL DEVELOP THIS AFTERNOON AND CONTINUE
  THROUGH THIS EVENING...TAPERING OFF OVERNIGHT.

* IMPACTS...MODERATE SNOW WILL MAKE FOR DANGEROUS TRAVEL DURING 
  THE AFTERNOON AND INTO THE NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

NYZ072>075-176-178-300000-
/O.CON.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHERN QUEENS-SOUTHERN QUEENS-
1132 AM EST SAT DEC 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
SUNDAY...

* LOCATIONS...NEW YORK CITY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES.

* TEMPERATURES...IN THE LOWER TO MID 30S.

* VISIBILITIES...ONE HALF TO ONE MILE AT TIMES.

* TIMING...THE SNOW WILL DEVELOP THIS AFTERNOON AND CONTINUE INTO
  THIS EVENING BEFORE TAPERING OFF OVERNIGHT. THE SNOW MAY MIX
  WITH OR EVEN CHANGE OVER TO PLAIN RAIN DURING THE AFTERNOON...
  ESPECIALLY IN SOUTHERN BROOKLYN AND QUEENS AND EASTERN STATEN
  ISLAND...RESULTING IN LOWER SNOW ACCUMULATION TOTALS.

* IMPACTS...MODERATE SNOW WILL MAKE FOR DANGEROUS TRAVEL DURING 
  THE AFTERNOON AND INTO THE NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

PW
3 follow-up statements
586 
WWUS41 KOKX 292037
WSWOKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
337 PM EST SAT DEC 29 2012

...WINTRY WEATHER EXPECTED THROUGH TONIGHT...

CTZ006-010-300500-
/O.UPG.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
/O.EXA.KOKX.WS.W.0004.000000T0000Z-121230T1100Z/
NORTHERN NEW HAVEN-SOUTHERN NEW HAVEN-
337 PM EST SAT DEC 29 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM EST
SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* LOCATIONS...NEW HAVEN COUNTY IN SOUTHERN CONNECTICUT. 

* HAZARD TYPES...HEAVY SNOW AND BLOWING SNOW. 

* ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES.. 

* TEMPERATURES...FALLING INTO THE MID 20S. 

* VISIBILITIES...ONE HALF MILE OR LESS AT TIMES INTO THIS EVENING. 

* TIMING...SNOW WILL CONTINUE INTO THIS EVENING...AND THEN TAPER
  OFF OVERNIGHT. 

* IMPACTS...DANGEROUS TRAVEL CONDITIONS INTO TONIGHT. 

* WINDS...NORTH 5 TO 15 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CTZ007-008-011-012-300500-
/O.CON.KOKX.WS.W.0004.000000T0000Z-121230T1100Z/
NORTHERN MIDDLESEX-NORTHERN NEW LONDON-SOUTHERN MIDDLESEX-
SOUTHERN NEW LONDON-
337 PM EST SAT DEC 29 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY...

* LOCATIONS...MIDDLESEX AND NEW LONDON COUNTIES IN SOUTHERN 
  CONNECTICUT.

* HAZARD TYPES...HEAVY SNOW AND BLOWING SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 6 TO 10 INCHES. 

* TEMPERATURES...FALLING TO 25 TO 30. 

* VISIBILITIES...ONE HALF MILE OR LESS AT TIMES INTO TONIGHT. 

* TIMING...SNOW WILL CONTINUE INTO THIS EVENING...AND THEN TAPER
  OFF OVERNIGHT. 

* IMPACTS...DANGEROUS TRAVEL CONDITIONS INTO TONIGHT.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

NYZ078>081-177-179-300500-
/O.EXA.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-
SOUTHEASTERN SUFFOLK-NORTHERN NASSAU-SOUTHERN NASSAU-
337 PM EST SAT DEC 29 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER WEATHER
ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6
AM EST SUNDAY.

* LOCATIONS...LONG ISLAND. 

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. 

* TEMPERATURES...FALLING INTO THE UPPER 20S. 

* VISIBILITIES...DROPPING TO ONE HALF MILE THIS EVENING. 

* TIMING...RAIN WILL CHANGE TO SNOW EARLY THIS EVENING. SNOW WILL
  CONTINUE THROUGH MIDNIGHT...AND THEN TAPER OFF LATE. 

* IMPACTS...HAZARDOUS TRAVEL TONIGHT. 

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

CTZ005-009-NJZ002-004-006-103>108-NYZ067>071-300500-
/O.CON.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD-WESTERN PASSAIC-
EASTERN PASSAIC-HUDSON-WESTERN BERGEN-EASTERN BERGEN-
WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
337 PM EST SAT DEC 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
SUNDAY...

* LOCATIONS...THE LOWER HUDSON VALLEY OF NEW YORK...FAIRFIELD
  COUNTY IN SOUTHWEST CONNECTICUT...AND NORTHEAST NEW JERSEY. 

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES. 

* TEMPERATURES...FALLING TO 20 TO 25.

* TIMING...LIGHT TO OCCASIONALLY MODERATE SNOW WILL CONTINUE INTO 
  THIS EVENING.

* IMPACTS...HAZARDOUS TRAVEL INTO TONIGHT. 

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

NYZ072>075-176-178-300500-
/O.CON.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHERN QUEENS-SOUTHERN QUEENS-
337 PM EST SAT DEC 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
SUNDAY...

* LOCATIONS...NEW YORK CITY.

* HAZARD TYPES...SNOW AND BLOWING SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. 

* TEMPERATURES...FALLING INTO THE MID 20S. 

* TIMING...SNOW WILL CONTINUE INTO THIS EVENING. 

* IMPACTS...HAZARDOUS TRAVEL INTO TONIGHT.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
567 
WWUS41 KOKX 300053
WSWOKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
753 PM EST SAT DEC 29 2012

...WINTRY WEATHER EXPECTED THROUGH TONIGHT...

CTZ005-009-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-
300200-
/O.CAN.KOKX.WW.Y.0011.000000T0000Z-121230T1100Z/
NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD-WESTERN PASSAIC-
EASTERN PASSAIC-HUDSON-WESTERN BERGEN-EASTERN BERGEN-
WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
753 PM EST SAT DEC 29 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN UPTON HAS CANCELLED THE WINTER
WEATHER ADVISORY.

ALTHOUGH LINGERING SNOW SHOWERS WILL CONTINUE...WIDESPREAD ACCUMULATING
SNOW IS NOT EXPECTED THUS THE WINTER WEATHER ADVISORY HAS BEEN
CANCELLED.

$$

CTZ006>008-010>012-300900-
/O.CON.KOKX.WS.W.0004.000000T0000Z-121230T1100Z/
NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON-
SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-
753 PM EST SAT DEC 29 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY...

* LOCATIONS...MIDDLESEX AND NEW LONDON COUNTIES IN SOUTHERN 
  CONNECTICUT.

* HAZARD TYPES...HEAVY SNOW AND BLOWING SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 8 TO 12 INCHES.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...VISIBILITIES OF 1/2 MILE OR LESS IS EXPECTED IN
  THE HEAVIEST SNOW BANDS.

* TIMING...SNOW WILL TAPER OFF AFTER 10 PM.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS INTO TONIGHT.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$
232 
WWUS41 KOKX 300605
WSWOKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
105 AM EST SUN DEC 30 2012

...THE WINTRY WEATHER THREAT HAS DIMINISHED...

CTZ006>008-010>012-300715-
/O.CAN.KOKX.WS.W.0004.000000T0000Z-121230T1100Z/
NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON-
SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-
105 AM EST SUN DEC 30 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN UPTON HAS CANCELLED THE WINTER
STORM WARNING.

WIDESPREAD ACCUMULATING SNOW HAS DIMINISHED OVER SOUTHEASTERN
CONNECTICUT...WITH ONLY LIGHT LINGERING SNOW SHOWERS EXPECTED
THROUGH THE EARLY MORNING. WITH ACCUMULATIONS OF A TENTH OF AN
INCH OR LESS EXPECTED WITH THESE SHOWERS...THE WARNING HAS BEEN
CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 3:37 PM ESTWind AdvisoryOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region26 hr

Nearby

Winter Storm Warnings in Connecticut, 2012Every winter storm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.