Low pressure that formed along the northern Gulf coast by the morning of Thursday, February 7, 2013 moved northeast to near Cape Hatteras by the morning of Friday, February 8, 2013 . The low then rapidly intensified while moving northeast to a position east of Cape Cod by the morning of Saturday, February 9, 2013, producing very heavy snowfall and blizzard conditions across central and eastern Long Island on February 8th and 9th, and winter storm conditions across the rest of southeast New York.

Winter Storm in ORANGE, NEW YORK
From 08-FEB-13 07:30:00 to 09-FEB-13 04:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 10 inches in Otisville, to 15.5 inches in Cornwall-on-Hudson.

Winter Storm in PUTNAM, NEW YORK
From 08-FEB-13 07:50:00 to 09-FEB-13 04:20:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 10 to 12 inches county-wide.

Winter Storm in ROCKLAND, NEW YORK
From 08-FEB-13 07:20:00 to 09-FEB-13 05:40:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 9 inches in Nyack, to 13 inches in New Hempstead, New City, and Suffern.

Winter Storm in NORTHERN NASSAU, NEW YORK
From 08-FEB-13 11:15:00 to 09-FEB-13 05:20:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 15 inches in Glen Cove, to 18 inches in East Norwich and Plainview. Winds gusted up to 44 mph near Glen Cove.

Winter Storm in SOUTHERN NASSAU, NEW YORK
From 08-FEB-13 15:15:00 to 09-FEB-13 05:20:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 8 inches in New Hyde Park, to 18 inches in Massapequa Park and Plainview.

Blizzard in NORTHWEST SUFFOLK, NEW YORK
From 08-FEB-13 15:00:00 to 09-FEB-13 07:35:00 (EST-5)
Property damage: 17.00M
Crop damage: 0.00K
Reported by: Trained Spotter

Nearby ASOS observations indicate that blizzard conditions were met for at least 3 consecutive hours. Snow began at 11:45 am on February 8. Spotters reported an average snowfall of 6 inches by 5:50 pm. Total snowfall ranged from 17.5 inches in Melville to 33.5 inches in Medford.
Precipitation changed from rain to very heavy snow from north to south in the late morning and afternoon. The snow accumulated at rates up to 6 inches per hour at the height of the blizzard, accompanied by lightning, thunder, and even small hail. The very heavy snow also stranded numerous motor vehicles and caused some partial roof, house and shed collapses.
Winds gusted up to 47 mph at Eatons Neck. Non-thunderstorm winds also downed a tree in Lake Ronkonkoma NY at 02/09/2013 0233 LST.

Blizzard in SOUTHWEST SUFFOLK, NEW YORK
From 08-FEB-13 15:35:00 to 09-FEB-13 07:35:00 (EST-5)
Property damage: 6.00M
Crop damage: 0.00K
Reported by: Trained Spotter

ASOS observations at MacArthur Airport (KISP) indicate that blizzard conditions were met for at least 3 consecutive hours. Snow began at 3:45 pm on February 8. Spotters reported an average snowfall of 6 inches by 8:15 pm. Total snowfall ranged from 10.3 inches in Shirley to 33.5 inches in Medford.
Precipitation changed from rain to very heavy snow from north to south in the afternoon. The snow accumulated at rates up to 6 inches per hour at the height of the blizzard, accompanied by lightning, thunder, and even small hail. The very heavy snow also stranded numerous motor vehicles.
Winds gusted up to 48 mph at MacArthur Airport.

Blizzard in NORTHEAST SUFFOLK, NEW YORK
From 08-FEB-13 22:50:00 to 09-FEB-13 10:05:00 (EST-5)
Property damage: 6.00M
Crop damage: 0.00K
Reported by: Trained Spotter

Nearby ASOS observations indicate that blizzard conditions were met for at least 3 consecutive hours. Snow began at 12:45 pm on February 8. Spotters reported an average snowfall of 6 inches by 6:10 pm. Total snowfall ranged from 12.9 inches at Mattituck to 30.9 inches at Brookhaven National Laboratory in Upton NY. The snowfall at BNL/Upton set an all-time event total snowfall for that location.
Precipitation changed from rain to very heavy snow from north to south in the afternoon. The snow accumulated at rates up to 6 inches per hour at the height of the blizzard, accompanied by lightning, thunder, and even small hail. The very heavy snow also stranded numerous motor vehicles.
Winds gusted up to 75 mph near Plum Island. Non-thunderstorm winds downed a tree in Calverton at 02/08/2013 2121 LST, and large tree limbs in Upton at 02/08/2013 2200 LST.

Blizzard in SOUTHEAST SUFFOLK, NEW YORK
From 08-FEB-13 22:50:00 to 09-FEB-13 10:05:00 (EST-5)
Property damage: 3.00M
Crop damage: 0.00K
Reported by: Trained Spotter

ASOS observations at Westhamphon Beach (KFOK) indicate that blizzard conditions were met for at least 3 consecutive hours. Snow began at 1:45 pm on February 8. Spotters reported an average snowfall of 6 inches by 10:00 pm. Total snowfall ranged from 10.3 inches in Shirley near the south shore of Long Island to 27.5 inches in Mastic, reflecting a very sharp increase in totals from the south shore to only a few miles inland.
Precipitation changed from rain to very heavy snow from north to south in the afternoon. The snow accumulated at rates up to 6 inches per hour at the height of the blizzard, accompanied by lightning, thunder, and even small hail.
Winds gusted up to 57 mph near Montauk Point.

Winter Storm in NORTHERN WESTCHESTER, NEW YORK
From 08-FEB-13 07:20:00 to 09-FEB-13 05:40:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from around 12 inches in Sleepy Hollow, Ossining and Millwood, to 20 inches in Armonk.

Winter Storm in SOUTHERN WESTCHESTER, NEW YORK
From 08-FEB-13 07:20:00 to 09-FEB-13 05:40:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 17.2 inches in Mount Vernon, to 23.3 inches in Port Chester.

Winter Storm in BRONX, NEW YORK
From 08-FEB-13 14:00:00 to 09-FEB-13 05:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 12.3 inches in Bedford Park, to 15 inches in Fieldston.

Winter Storm in NEW YORK (MANHATTAN), NEW YORK
From 08-FEB-13 14:00:00 to 09-FEB-13 04:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters and observers reported snowfall ranging from 7.5 inches in Greenwich Village, to 11.4 inches in Central Park. Winds gusted up to 36 mph at Central Park.

Winter Storm in NORTHERN QUEENS, NEW YORK
From 08-FEB-13 14:00:00 to 09-FEB-13 05:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters and observers reported snowfall ranging from 11 inches in Flushing and Bayside, to 12.8 inches in Douglaston. Winds gusted up to 40 mph at LaGuardia Airport.

Winter Storm in SOUTHERN QUEENS, NEW YORK
From 08-FEB-13 17:00:00 to 09-FEB-13 04:10:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters and observers reported snowfall ranging from 6.4 inches at JFK Airport, to 15 inches in Middle Village. Winds gusted up to 39 mph at JFK Airport.

Winter Storm in RICHMOND (STATEN IS.), NEW YORK
From 08-FEB-13 07:10:00 to 09-FEB-13 03:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 5 inches in Bay Terrace, to 12 inches in Great Kills and Sunnyside.

Winter Storm in KINGS (BROOKLYN), NEW YORK
From 08-FEB-13 17:00:00 to 09-FEB-13 04:10:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported snowfall ranging from 7 inches in Marine Park, to 9 inches in Sheepshead Bay.