National Weather Service United States Department of Commerce

Overview

An upper level trough behind a departing offshore low pressure brought a period of light snow early on Sunday, January 4. Amounts were generally under an inch, but a few spots in interior Southwest Connecticut, and northern Westchester received around an inch of snow.

 

Observed Snowfall Analysis

 

Snow Reports Public Information Statement

(The link above is courtesy of the Iowa State University State Mesonet (IEM) National Weather Service Text Product Archive)

 

Snowfall Reports By State

Connecticut
  
  Location                    Amount    Time/Date      Provider

...Fairfield County...
4 NNW New Fairfield          1.6 in    0827 AM 01/04   Trained Spotter      
Easton                       1.0 in    0751 AM 01/04   Public               
Fairfield                    1.0 in    0758 AM 01/04   Public               
Bethel                       1.0 in    0815 AM 01/04   COCORAHS             
Brookfield                   1.0 in    0700 AM 01/04   COCORAHS             
Sandy Hook                   1.0 in    0900 AM 01/04   COCORAHS             
1 E Sherman                  1.0 in    0700 AM 01/04   Cocorahs             
Bethel                       0.9 in    0834 AM 01/04   COCORAHS             
Shelton                      0.8 in    0830 AM 01/04   COCORAHS             
3 WSW Shelton                0.8 in    0841 AM 01/04   Cocorahs             
New Canaan                   0.7 in    0700 AM 01/04   COCORAHS             
New Canaan                   0.6 in    0800 AM 01/04   COCORAHS             
Norwalk                      0.5 in    0700 AM 01/04   COCORAHS             
Darien                       0.2 in    0700 AM 01/04   COCORAHS             
Stamford 1.0 S               0.2 in    0800 AM 01/04   COCORAHS             

...Middlesex County...
Higganum                     0.5 in    0800 AM 01/04   COCORAHS             
Old Saybrook 2.9 NNE         0.3 in    0825 AM 01/04   COCORAHS             
2 S Killingworth             0.3 in    0930 AM 01/04   Broadcast Media      

...New Haven County...
Waterbury                    1.5 in    0900 AM 01/04   COCORAHS             
Seymour                      1.3 in    0800 AM 01/04   Broadcast Media      
Wolcott                      1.0 in    0847 AM 01/04   Public               
2 NW Hamden                  0.8 in    0846 AM 01/04   Trained Spotter      
Yalesville                   0.8 in    0835 AM 01/04   COCORAHS             
1 NW Ansonia                 0.7 in    0752 AM 01/04   Public                     
Hamden                       0.7 in    0730 AM 01/04   COCORAHS     

...New London County...
New London                   0.1 in    0855 AM 01/04   COCORAHS                                   
      
New Jersey

  Location                    Amount    Time/Date      Provider

...Bergen County...
Montvale 1.8 ESE             0.4 in    0800 AM 01/04   COCORAHS             

...Essex County...
Newark Airport                T in     0800 AM 01/04   Official NWS Obs     

...New York...

...Nassau County...
2 S Farmingdale              0.2 in    0838 AM 01/04   Public               
1 WSW Plainview              0.2 in    0914 AM 01/04   Public               
1 ENE East Meadow            0.2 in    0858 AM 01/04   Emergency Mngr
   
New York

  Location                    Amount    Time/Date      Provider

...Nassau County...
2 S Farmingdale              0.2 in    0838 AM 01/04   Public               
1 WSW Plainview              0.2 in    0914 AM 01/04   Public               
1 ENE East Meadow            0.2 in    0858 AM 01/04   Emergency Mngr       

...New York (Manhattan) County...
Central Park                  T in     0800 AM 01/04   Official NWS Obs     

...Orange County...
4 SSE Chester                0.9 in    0700 AM 01/04   COCORAHS             
2 SSW Pine Bush              0.5 in    0909 AM 01/04   Trained Spotter      
Port Jervis                  0.4 in    0630 AM 01/04   COCORAHS             
Warwick                      0.3 in    0700 AM 01/04   COCORAHS             
Greenwood Lake               0.1 in    0800 AM 01/04   COCORAHS             

...Putnam County...
Cold Spring                  0.7 in    0700 AM 01/04   COCORAHS             
Nelsonville 0.3 S            0.5 in    0700 AM 01/04   COCORAHS             

...Queens County...
Kennedy Airport               T in     0800 AM 01/04   Official NWS Obs     
NYC/La Guardia                T in     0800 AM 01/04   Official NWS Obs     

...Rockland County...
New Hempstead 0.6 SE         0.2 in    0840 AM 01/04   COCORAHS             
Stony Point                  0.1 in    0700 AM 01/04   COCORAHS             

...Suffolk County...
Mount Sinai                  0.5 in    0930 AM 01/04   Public               
Upton (NWS Office)           0.4 in    0936 AM 01/04   Official NWS Obs                 
1 SE East Quogue             0.4 in    0920 AM 01/04   NWS Employee         
Port Jefferson Station       0.4 in    0830 AM 01/04   COCORAHS             
Mattituck                    0.3 in    1001 AM 01/04   Trained Spotter      
Islip Airport                0.3 in    0940 AM 01/04   Official NWS Obs     
Nesconset                    0.3 in    0915 AM 01/04   COCORAHS             
Baiting Hollow               0.2 in    0700 AM 01/04   COOP                 
Orient Point                 0.2 in    0800 AM 01/04   COOP                 

...Westchester County...
Somers                       1.0 in    0753 AM 01/04   Public               
South Salem                  1.0 in    0715 AM 01/04   COCORAHS             
South Salem                  1.0 in    0747 AM 01/04   COCORAHS             
Armonk                       0.5 in    0800 AM 01/04   COCORAHS              
   

 

Click here for an interactive version of this loop. Radar loop courtesy of the Iowa Environmental Mesonet and is from 1:00 AM EST Sunday, January 4 through 10:00 AM EST Sunday, January 4.

 

Surface Analysis

 

 

500 mb Analysis