Heavy Snow and Winter Weather in New York, April 2, 2018

Name: Heavy Snow and Winter Weather in New York, April 2, 2018
Start: 2018-04-02T03:00
End: 2018-04-02T12:00
Location: New York

April 2, 2018 · NWS OKX · 17 events in 16 counties and zones

Waves of low pressure moved along a stalled frontal boundary across the Middle Atlantic. Moderate to heavy snow fell during the morning commute across southeast New York.

Where it happened

Every event with a place to put it; 17 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 17

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS OKX wrote it up.

Waves of low pressure moved along a stalled frontal boundary across the Middle Atlantic. Moderate to heavy snow fell during the morning commute across southeast New York. Snowfall rates reached 1 inch per hour at times. Daily record snowfall amounts were set at Central Park (5.0 inches), LaGuardia (5.5 inches), Kennedy (3.7 inches), and Islip (4.6 inches) for April 2nd.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New York, NY wrote its last area forecast discussion before the first event at Apr 2, 12:43 AM EST, 2 hours 17 minutes earlier.

Area forecast discussion, Apr 2, 12:43 AM EST, 2 hours 17 minutes before

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Hazardous weather outlook, Apr 1, 4:14 PM EST, 10 hours 46 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

15 winter weather, 2 heavy snow. Local standard time, as filed.

Winter Weather, Orange

When: April 2, 3:00 AM EST to 11:00 AM EST
Where: Orange forecast zone
Reported by: Trained Spotter
Coordinates: 41.402, -74.306 (the zone’s center; the record gives no point)

Trained spotters reported 4 to 6 inches of snowfall.

Winter Weather, Putnam

When: April 2, 3:00 AM EST to 12:00 PM EST
Where: Putnam forecast zone
Reported by: Trained Spotter
Coordinates: 41.427, -73.749 (the zone’s center; the record gives no point)

Trained spotters, broadcast media, and the public reported 5 to 6 inches of snowfall.

Winter Weather, Rockland

When: April 2, 3:00 AM EST to 11:00 AM EST
Where: Rockland forecast zone
Reported by: Trained Spotter
Coordinates: 41.152, -74.024 (the zone’s center; the record gives no point)

Trained spotters reported 4 to 6 inches of snowfall.

Heavy Snow, Northern Westchester

When: April 2, 4:00 AM EST to 11:00 AM EST
Where: Northern Westchester forecast zone
Reported by: Trained Spotter
Coordinates: 41.152, -73.753 (the zone’s center; the record gives no point)

Trained spotters and the public reported 6 to 8 inches of snowfall.

Heavy Snow, Southern Westchester

When: April 2, 4:00 AM EST to 11:00 AM EST
Where: Southern Westchester forecast zone
Reported by: Trained Spotter
Coordinates: 41.152, -73.753 (the zone’s center; the record gives no point)

Trained spotters and the public reported 6 to 8 inches of snowfall.

Winter Weather, Bronx

When: April 2, 5:00 AM EST to 12:00 PM EST
Where: Bronx forecast zone
Reported by: CoCoRaHS
Coordinates: 40.827, -73.924 (the zone’s center; the record gives no point)

CoCoRaHS, COOP Observer, and the public reported 4 to 6 inches of snowfall.

Winter Weather, Bronx

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Bronx forecast zone
Reported by: Trained Spotter
Coordinates: 40.827, -73.924 (the zone’s center; the record gives no point)

Trained spotters and the public reported 4 to 5 inches of snowfall.

Winter Weather, New York (Manhattan)

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: New York (Manhattan) forecast zone
Reported by: Official NWS Observations
Coordinates: 40.774, -73.970 (the zone’s center; the record gives no point)

The official NWS Observation at Central Park was 5.5 inches of snowfall. Amounts across Manhattan ranged from 3 to 6 inches of snow as reported by trained spotters, CoCoRaHS, and Law Enforcement.

Winter Weather, Northwest Suffolk

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Northwest Suffolk forecast zone
Reported by: Trained Spotter
Coordinates: 40.941, -72.685 (the zone’s center; the record gives no point)

Trained spotters, CoCoRaHS, and the public reported 3 to 7 inches of snowfall with the highest amounts over 6 inches in isolated locations such as Smithtown.

Winter Weather, Southwest Suffolk

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Southwest Suffolk forecast zone
Reported by: Official NWS Observations
Coordinates: 40.941, -72.685 (the zone’s center; the record gives no point)

The official NWS observation at Islip Airport was 4.6 inches of snow. Amounts ranged from 4 to 6 inches across Southwest Suffolk with isolated higher amounts. An NWS Employee reported 6.6 inches of snow in Sayville.

Winter Weather, Northern Nassau

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Northern Nassau forecast zone
Reported by: Fire Department/Rescue
Coordinates: 40.732, -73.585 (the zone’s center; the record gives no point)

Fire Department/Rescue, Law Enforcement, trained spotters, and the public reported 5 to 6 inches of snowfall. Isolated higher amounts to 7 inches occurred Oyster Bay to Centre Island portion of northern Nassau County.

Winter Weather, Southern Nassau

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Southern Nassau forecast zone
Reported by: Trained Spotter
Coordinates: 40.732, -73.585 (the zone’s center; the record gives no point)

Trained spotters, CoCoRaHS, social media, and the public reported 4 to 6 inches of snowfall.

Winter Weather, Northern Queens

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Northern Queens forecast zone
Reported by: Official NWS Observations
Coordinates: 40.658, -73.839 (the zone’s center; the record gives no point)

The Official NWS Observation at LaGuardia Airport was 5.5 inches of snowfall. Amounts across northern Queens ranged from 4 to 6 inches with isolated higher amounts to 6.5 inches in the Whitestone and Bayside area.

Winter Weather, Southern Queens

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Southern Queens forecast zone
Reported by: Official NWS Observations
Coordinates: 40.658, -73.839 (the zone’s center; the record gives no point)

The Official NWS observation at John F. Kennedy International Airport was 3.7 inches of snowfall. Amounts across southern Queens ranged from 3 to 6 inches of snowfall.

Winter Weather, Richmond (Staten Is.)

When: April 2, 5:00 AM EST to 11:00 AM EST
Where: Richmond (Staten Is.) forecast zone
Reported by: CoCoRaHS
Coordinates: 40.583, -74.150 (the zone’s center; the record gives no point)

CoCoRaHS reported 2 to 5 inches of snowfall.

Winter Weather, Northeast Suffolk

When: April 2, 5:30 AM EST to 11:30 AM EST
Where: Northeast Suffolk forecast zone
Reported by: Trained Spotter
Coordinates: 40.941, -72.685 (the zone’s center; the record gives no point)

Trained spotters and the public reported 4 to 6 inches of snowfall.

Winter Weather, Southeast Suffolk

When: April 2, 5:30 AM EST to 11:30 AM EST
Where: Southeast Suffolk forecast zone
Reported by: NWS Employee
Coordinates: 40.941, -72.685 (the zone’s center; the record gives no point)

Trained spotters and the public reported 4 to 6 inches of snowfall. Isolated higher amounts occurred such as 6.2 inches in Riverhead as reported by an NWS Employee.

What these are

Winter Weather: Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
Heavy Snow: Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in New York in 2018 Every state in 2018 This day in weather history Warnings in New York, April 2018

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 750929, 750930, 750932, 750916, 750917, 750918, 750919, 750920, 750923, 750924, 750925, 750926, 750927, 750928, 750931, 750921, 750922.