Alert archive / Connecticut / Winter Storm Warnings in 2012

Winter Storm Warning 1, NWS New York, NY

January 21, 2012Suffolk County, New York; 4 counties in Connecticut

NWS New York, NY issued this winter storm warning at Jan 21, 2012, 10:58 AM EST for Suffolk County, New York; 4 counties in Connecticut. It was in force for 5 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
Jan 21, 2012, 10:58 AM EST (15:58 UTC)
Expired
Jan 21, 2012, 3:29 PM EST
In force
5 hr
Issued by
NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 53 km from the middle of the area, began a volume at 15:58 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 4.0 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2012-01-21Temperature 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 2012-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 452 square meters per square second.1939587897117Sfc1 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
573 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
452 m²/s²
0-3 km storm-relative helicity
771 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.

295 
WWUS41 KOKX 211558
WSWOKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
1058 AM EST SAT JAN 21 2012

CTZ006>008-010>012-212300-
/O.UPG.KOKX.WW.Y.0003.000000T0000Z-120121T2300Z/
/O.NEW.KOKX.WS.W.0001.120121T1558Z-120121T2300Z/
NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON-
SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-
1058 AM EST SAT JAN 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...

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 THE WINTER WEATHER ADVISORY IS NO LONGER
IN EFFECT. 

* LOCATIONS...SOUTHERN CONNECTICUT.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...5 TO 7 INCHES.

* WINDS...NORTHEAST 10 TO 15 MPH.

* TEMPERATURES...LOWER TO MID 20S.

* VISIBILITIES...ONE HALF MILES AT TIMES.

* TIMING...SNOW WILL CONTINUE INTO THE AFTERNOON...THEN TAPER OFF
  AS THE AFTERNOON PROGRESSES. SNOWFALL RATES UP TO ONE INCH PER
  HOUR POSSIBLE INTO THE EARLY AFTERNOON.

* IMPACTS...TRAVEL DIFFICULTIES DUE TO SLIPPERY...SNOW COVERED
  ROADS AND LIMITED VISIBILITIES.

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.

&&

$$

CTZ005-009-212100-
/O.UPG.KOKX.WW.Y.0003.000000T0000Z-120121T2100Z/
/O.NEW.KOKX.WS.W.0001.120121T1558Z-120121T2100Z/
NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD-
1058 AM EST SAT JAN 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* LOCATIONS...FAIRFIELD.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...5 TO 7 INCHES.

* WINDS...NORTHEAST 10 TO 15 MPH.

* TEMPERATURES...LOWER TO MID 20S.

* VISIBILITIES...ONE HALF MILES AT TIMES.

* TIMING...SNOW WILL CONTINUE INTO THE AFTERNOON...THEN TAPER OFF
  AS THE AFTERNOON PROGRESSES. SNOWFALL RATES UP TO ONE INCH PER
  HOUR POSSIBLE INTO THE EARLY AFTERNOON.

* IMPACTS...SNOW WILL CONTINUE INTO THE AFTERNOON...THEN TAPER OFF
  AS THE AFTERNOON PROGRESSES. SNOWFALL RATES UP TO ONE INCH PER
  HOUR POSSIBLE INTO THE EARLY AFTERNOON.

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.

&&

$$

NYZ079>081-212300-
/O.UPG.KOKX.WW.Y.0003.000000T0000Z-120121T2300Z/
/O.NEW.KOKX.WS.W.0001.120121T1558Z-120121T2300Z/
NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-
1058 AM EST SAT JAN 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...

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

* LOCATIONS...SUFFOLK.

* HAZARD TYPES...SNOW...MIXED WITH SLEET WITH LIGHT FREEZING RAIN LATE.

* ACCUMULATIONS...4 TO 7 INCHES...WITH A LIGHT COATING OF ICE.

* WINDS...NORTHEAST 10 TO 15 MPH.

* TEMPERATURES...AROUND 30.

* VISIBILITIES...ONE HALF MILE AT TIMES.

* TIMING...SNOW WILL CONTINUE INTO THE AFTERNOON...THEN TAPER OFF
  LATER THIS AFTERNOON. SNOWFALL RATES UP TO ONE INCH PER HOUR
  POSSIBLE INTO THE EARLY AFTERNOON.

* IMPACTS...TRAVEL DIFFICULTIES DUE TO SLIPPERY...SNOW COVERED 
  ROADS...AND LIMITED VISIBILITIES.

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.

&&

$$

NYZ078-212100-
/O.UPG.KOKX.WW.Y.0003.000000T0000Z-120121T2100Z/
/O.NEW.KOKX.WS.W.0001.120121T1558Z-120121T2100Z/
NORTHWESTERN SUFFOLK-
1058 AM EST SAT JAN 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL
4 PM EST THIS AFTERNOON. THE WINTER WEATHER ADVISORY IS NO LONGER
IN EFFECT. 

* LOCATIONS...NORTHWEST SUFFOLK.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...5 TO 7 INCHES.

* WINDS...NORTHEAST 10 TO 15 MPH.

* TEMPERATURES...AROUND 30.

* VISIBILITIES...ONE HALF MILE AT TIMES.

* TIMING...SNOW WILL CONTINUE INTO THE AFTERNOON...THEN TAPER OFF
  LATER THIS AFTERNOON. SNOWFALL RATES UP TO ONE INCH PER HOUR
  POSSIBLE INTO THE EARLY AFTERNOON.

* IMPACTS...TRAVEL DIFFICULTIES DUE TO SLIPPERY...SNOW COVERED
  ROADS...AND LIMITED VISIBILITIES.

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.

&&

$$

NJZ002-004-103>105-NYZ067>071-212100-
/O.CON.KOKX.WW.Y.0003.000000T0000Z-120121T2100Z/
WESTERN PASSAIC-EASTERN PASSAIC-WESTERN BERGEN-EASTERN BERGEN-
WESTERN ESSEX-ORANGE-PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-
SOUTHERN WESTCHESTER-
1058 AM EST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

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

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...4 TO 6 INCHES OF SNOW.

* WINDS...NORTHEAST AROUND 10 MPH.

* TEMPERATURES...IN THE LOWER 20S.

* VISIBILITIES...ONE HALF MILE AT TIMES.

* TIMING...SNOW WILL CONTINUE INTO THE AFTERNOON...THEN TAPER 
  OFF AS THE AFTERNOON PROGRESSES. SNOWFALL RATES UP TO ONE INCH 
  PER HOUR POSSIBLE INTO THE EARLY AFTERNOON. 

* IMPACTS...TRAVEL DIFFICULTIES DUE TO SLIPPERY...SNOW COVERED 
  ROADS AND LIMITED VISIBILITIES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

NJZ006-106>108-NYZ072>075-176>179-212100-
/O.CON.KOKX.WW.Y.0003.000000T0000Z-120121T2100Z/
HUDSON-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHERN QUEENS-NORTHERN NASSAU-SOUTHERN QUEENS-
SOUTHERN NASSAU-
1058 AM EST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* LOCATIONS...NEW YORK CITY...ADJACENT SECTIONS OF URBAN NORTHEAST
  NEW JERSEY. 

* HAZARD TYPES...MAINLY SNOW. PRECIPITATION MAY MIX WITH SLEET 
  BRIEFLY MIDDAY INTO THE EARLY AFTERNOON BEFORE ENDING. 

* ACCUMULATIONS...3 TO 6 INCHES OF SNOW...TOPPED A BY LIGHT 
  COATING OF SLEET MAINLY IN THE LOWER BOROUGHS OF NEW YORK CITY 
  AND ALONG THE SOUTH SHORE OF WESTERN LONG ISLAND. SOME SPOTS 
  ALONG THE NORTH SHORE OF WESTERN LONG ISLAND COULD RECEIVE UP 
  TO 6 INCHES OF ACCUMULATION. 

* WINDS...NORTHEAST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...AROUND 30.

* VISIBILITIES...ONE HALF MILE AT TIMES.

* TIMING...SNOW WILL CONTINUE INTO THE AFTERNOON...THEN TAPER 
  OFF AS THE AFTERNOON PROGRESSES. SNOWFALL RATES UP TO ONE INCH 
  PER HOUR POSSIBLE INTO THE EARLY AFTERNOON. 

* IMPACTS...TRAVEL DIFFICULTIES DUE TO SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
1 follow-up statement
910 
WWUS41 KOKX 212029
WSWOKX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
329 PM EST SAT JAN 21 2012


CTZ006>008-010>012-NYZ079>081-212130-
/O.CAN.KOKX.WS.W.0001.000000T0000Z-120121T2300Z/
NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON-
SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-
NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-
329 PM EST SAT JAN 21 2012

...WINTER STORM WARNING IS CANCELLED...

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

ACCUMULATING SNOW AND SLEET IS COMING TO AN END. LINGERING LIGHT
SNOW...SLEET OR FREEZING DRIZZLE IS POSSIBLE...BUT THE BULK OF
THE WINTRY PRECIPITATION HAS ENDED.

$$

CTZ005-009-NYZ078-212130-
/O.CAN.KOKX.WS.W.0001.000000T0000Z-120121T2100Z/
NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD-NORTHWESTERN SUFFOLK-
329 PM EST SAT JAN 21 2012

...WINTER STORM WARNING IS CANCELLED...

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

ACCUMULATING SNOW AND SLEET IS COMING TO AN END. LINGERING LIGHT
SNOW...SLEET OR FREEZING DRIZZLE IS POSSIBLE...BUT THE BULK OF
THE WINTRY PRECIPITATION HAS ENDED.

$$

NJZ002-004-006-103>108-NYZ067>075-176>179-212130-
/O.CAN.KOKX.WW.Y.0003.000000T0000Z-120121T2100Z/
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)-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
329 PM EST SAT JAN 21 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

ACCUMULATING SNOW AND SLEET IS COMING TO AN END. LINGERING LIGHT
SNOW...SLEET OR FREEZING DRIZZLE IS POSSIBLE...BUT THE BULK OF
THE WINTRY PRECIPITATION HAS ENDED.

$$

Nearby

Winter Storm Warnings in Connecticut, 2012Winter Storm Warnings in New York, 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.