New York, 1998

Tornadoes and Hail in New York, June 30, 1998

June 30, 1998 · NWS OKX · 24 events in 9 counties and zones

The first tornado (F1) touched down along Lake Shore Road, south of Portion Road in Lake Ronkonkoma. It downed several large trees and power lines.

Where it happened

Every event with a place to put it; 1 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
7
Property damage
None recorded
Crop damage
None recorded
Events
24

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.

On June 30th, two "waves" of severe weather occurred: the first during the morning and the second during the evening.The first wave included an isolated severe thunderstorm that spawned two weak tornadoes, large hail, and damaging winds as it moved across Central Suffolk County.The first tornado (F1) touched down along Lake Shore Road, south of Portion Road in Lake Ronkonkoma. It downed several large trees and power lines. Trees were blown into houses and caused structural damage. This tornado then lifted and funnel clouds were observed before another touchdown (F0) occurred on the campus of Suffolk Community College in Selden. Numerous trees were uprooted and fell on cars and wires on the campus. More tree damage occurred along Middle Country Road and Mooney Pond Road in Selden.The first wave also included a line of thunderstorms that moved east across Orange County. Thunderstorms produced high winds that downed trees in Goshen and Chester. A funnel cloud was also observed between Goshen and Chester.The second wave included lines of severe thunderstorms that produced high winds, large hail, and frequent lightning. This resulted in widespread damage across the region.In Orange County, high winds downed many trees and power lines. Significant damage to trees and houses occurred in Monroe and Newburgh. High winds also blew a trailer upside down on Bark Lane, off Big Island Road in Florida. Four people were injured and required medical treatment at Arden Hill Hospital. Lightning struck a house in Pine Bush, which ignited a fire and caused structural damage.In Rockland County, high winds downed power lines in New City and trees in Hillcrest and Stony Point. A tree fell into a hospital in Stony Point.In Westchester County, high winds downed trees in Peekskill and Yorktown.In Bronx County, hail damaged windows.In Queens County, high winds downed tree limbs that struck and injured 3 girls. One girl was seriously injured and required surgery.In Nassau County, 0.88-inch diameter hail fell in Jericho and 0.75-inch diameter hail fell in Oyster Bay. High winds downed trees and power lines. In Syosset, high winds blew off a roof from a house.In Suffolk County, an F1 tornado was confirmed in Mt. Sinai. The damage path extended from 114 Hickory Street to the corner of Marcy Drive and Westcliff Drive, then down Marcy Drive and across Chestnut Street. Several large trees were uprooted and damage to house shingles and roofs occurred along the path. Elsewhere in Suffolk County, high winds downed trees and power lines.

The radar

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

Open the radar archive at this moment

Event by event

14 thunderstorm wind, 6 hail, 3 tornado, 1 lightning. Local standard time, as filed.

Thunderstorm Wind, Suffolk

When
June 30, 7:00 AM EST to 7:05 AM EST
Where
Suffolk County, Wyandanch to Deer Park
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.750, -73.370

Hail, Suffolk

When
June 30, 7:10 AM EST
Where
Suffolk County, Hauppauge
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.820, -73.200

Tornado, Suffolk

When
June 30, 7:15 AM EST
Where
Suffolk County, Lake Ronkonkoma
Measured
62
Rating
F1
Path length
0.3 mi
Path width
300 yd
Reported by
NWS STORM SURVEY
Coordinates
40.830, -73.120

Tornado, Suffolk

When
June 30, 7:20 AM EST
Where
Suffolk County, Selden
Measured
58
Rating
F0
Path length
0.1 mi
Path width
100 yd
Reported by
NWS STORM SURVEY
Coordinates
40.850, -73.030

Thunderstorm Wind, Suffolk

When
June 30, 7:30 AM EST
Where
Suffolk County, Coram
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.870, -73.000

Hail, Suffolk

When
June 30, 7:30 AM EST
Where
Suffolk County, Mt Sinai
Measured
1 in hail
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
40.950, -73.020

Thunderstorm Wind, Orange

When
June 30, 11:05 AM EST
Where
Orange County, Goshen to Chester
Measured
55 kt (63 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.400, -74.330

Hail, Orange

When
June 30, 5:36 PM EST
Where
Orange County, Washingtonville
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
41.430, -74.170

Thunderstorm Wind, Orange

When
June 30, 5:58 PM EST to 6:04 PM EST
Where
Orange County, Walden to Florida
Measured
60 kt (69 mph)
Injuries
4 direct, 0 indirect
Reported by
TRAINED SPOTTER
Coordinates
41.550, -74.180

Lightning, Orange

When
June 30, 6:05 PM EST
Where
Orange County, Pine Bush
Reported by
NEWSPAPER
Coordinates
41.402, -74.306 (the zone’s center; the record gives no point)

Hail, Orange

When
June 30, 6:09 PM EST
Where
Orange County, Montgomery
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
41.520, -74.230

Thunderstorm Wind, Orange

When
June 30, 6:10 PM EST to 6:25 PM EST
Where
Orange County, Monroe to Florida
Measured
60 kt (69 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.320, -74.200

Thunderstorm Wind, Putnam

When
June 30, 6:30 PM EST
Where
Putnam County, Countywide
Measured
55 kt (63 mph)
Reported by
NEWSPAPER
Coordinates
41.430, -73.750

Thunderstorm Wind, Rockland

When
June 30, 6:31 PM EST
Where
Rockland County, New City
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.150, -73.980

Thunderstorm Wind, Westchester

When
June 30, 6:31 PM EST
Where
Westchester County, Peekskill
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.280, -73.930

Thunderstorm Wind, Rockland

When
June 30, 6:40 PM EST
Where
Rockland County, Hillcrest to Stony Pt
Measured
55 kt (63 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.130, -74.030

Thunderstorm Wind, Westchester

When
June 30, 7:01 PM EST
Where
Westchester County, Yorktown
Measured
60 kt (69 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.300, -73.820

Thunderstorm Wind, Richmond

When
June 30, 7:02 PM EST
Where
Richmond County, Great Kills
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.550, -74.170

Hail, Bronx

When
June 30, 7:15 PM EST
Where
Bronx County, Bronx
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.830, -73.900

Thunderstorm Wind, Queens

When
June 30, 7:20 PM EST
Where
Queens County, Richmond Hill
Measured
55 kt (63 mph)
Injuries
3 direct, 0 indirect
Reported by
TRAINED SPOTTER
Coordinates
40.700, -73.820

Thunderstorm Wind, Nassau

When
June 30, 7:28 PM EST to 7:43 PM EST
Where
Nassau County, Syosset to Oyster Bay
Measured
60 kt (69 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.830, -73.500

Hail, Nassau

When
June 30, 7:30 PM EST
Where
Nassau County, Jericho to Oyster Bay
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.780, -73.530

Thunderstorm Wind, Suffolk

When
June 30, 7:36 PM EST
Where
Suffolk County, North Babylon
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.730, -73.320

Tornado, Suffolk

When
June 30, 7:40 PM EST
Where
Suffolk County, Mt Sinai
Measured
70
Rating
F1
Path length
0.3 mi
Path width
75 yd
Reported by
NWS STORM SURVEY
Coordinates
40.950, -73.020

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Lightning
A lightning strike that killed, injured or caused damage.

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

The same day elsewhere

More

Every storm in New York in 1998Every state in 1998This day in weather historyThe tornado archive for New York, 1998Warnings in New York, June 1998

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 2026-09-24. Each event’s entry at NCEI: 5658763, 5658834, 5658835, 5658836, 5658837, 5658838, 5658839, 5658852, 5658472, 5658473, 5658474, 5658475, 5658847, 5658840, 5658842, 5658841, 5658843, 5658846, 5658844, 5658845, 5658848, 5658849, 5658850, 5658851.