New York, 2003

Tropical Storm and Strong Wind in New York, September 18 to 19, 2003

September 18 to 19, 2003 · NWS OKX · 5 events in 5 counties and zones

As Hurricane Isabel moved northwest toward the southern Mid Atlantic States, a strong high pressure system built over Northern New England. As the pressure gradient increased, strong northeast winds developed across the region Thursday, September 18th.

Where it happened

Every event with a place to put it; 3 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

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The toll

Deaths
1
Injuries
2
Property damage
None recorded
Crop damage
None recorded
Events
5

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.

As Hurricane Isabel moved northwest toward the southern Mid Atlantic States, a strong high pressure system built over Northern New England. As the pressure gradient increased, strong northeast winds developed across the region Thursday, September 18th. Hurricane Isabel made landfall near Drum Inlet, North Carolina at 1 pm on the eighteenth. As Isabel accelerated toward the north northwest, tropical storm force winds rapidly expanded north. Tropical storm force winds of 39 miles per hour (mph) occurred across parts of Nassau County, Queens, Brooklyn, and Staten Island from Thursday evening through Thursday night. Across Rockland, Westchester, and Suffolk Counties, east winds were sustained between 25 and 35 mph with peak gusts between 35 and 45 mph. When strong winds were accompanied by bands of heavy showers, many trees, tree limbs, and power lines were downed across the region. The greatest damage occurred from Nassau County west across Staten Island. These strong winds resulted in 1 death and 2 injuries:A 42 year old male police officer drowned while body surfing in high surf off Long Beach in Nassau County around 6 pm on the 18th.A large tree limb fell through the driver's car door and speared a man while driving through Great Neck Estates at the Intersection of Bayview Ave. and Glenview Drive in Nassau County. This resulted in a critical injury.A 47 year old male was struck in the head by a fallen tree branch at the intersection of Andrews Ave. and University Ave. in the Bronx around 9 pm on the 18th. This resulted in a serious head injury.The New York City Department of Parks and Recreation provided this information:In Queens, 259 trees were downed and 350 tree limbs were downed.In Brooklyn, 197 trees were downed and 268 tree limbs were downed.In Staten Island, 97 trees were downed and 74 tree limbs were downed.In the Bronx, 54 trees were downed and 64 tree limbs were downed.In Manhattan, 33 trees were downed and 45 tree limbs were downed.Here are selected wind velocity measurements across the region:In Queens, the Automated Surface Observing Systems at:LaGuardia Airport measured a sustained 2 minute wind velocity of 40 mph from 120 degrees at 2:36 am EDT on the 19th with a peak gust to 51 mph from 120 degrees at 1:20 am EDT on the 19th.JFK Airport measured a sustained 2 minute wind velocity of 40 mph from 100 degrees at 4:02 am EDT on the 19th with a peak gust to 49 mph from 80 degrees at 12:05 am on the 19th.At the Ambrose Light C-MAN Station, the highest wind velocity measured at a height of 29 meters was a sustained 39 knot speed at 7 pm on the 18th with a peak gust to 44 knots.In Nassau County, sustained wind speeds were measured at 10 pm EDT by an Automated Weather Station at 38 mph with a peak gust to 50 mph at Long Beach High School. The Long Island Power Authority reported 41,599 power outages across Nassau County.In Brooklyn, a peak wind gust to 47 mph was measured by an Automated Weather Station at the New Utrecht High School. Three sides of a brick facade blew out along an exterior wall at Cinema World Studios in Green Point.In Manhattan, a peak wind gust to 46 mph was measured by an Automated Weather Station at the Manhattan Center for Science and Math.

The radar

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

Open the radar archive at this moment

Event by event

4 tropical storm, 1 strong wind. Local standard time, as filed.

Strong Wind, Bronx

When
September 18, 12:00 PM EST to September 19, 5:00 AM EST
Where
Bronx forecast zone
Measured
40 kt (46 mph) estimated gust
Injuries
1 direct, 0 indirect
Reported by
BROADCAST MEDIA
Coordinates
40.827, -73.924 (the zone’s center; the record gives no point)

Tropical Storm, Richmond (Staten Is.)

When
September 18, 5:00 PM EST to September 19, 3:00 AM EST
Where
Richmond (Staten Is.) forecast zone
Reported by
PARK/FOREST SERVICE
Coordinates
40.583, -74.150 (the zone’s center; the record gives no point)

Tropical Storm, Kings (Brooklyn)

When
September 18, 5:00 PM EST to September 19, 3:00 AM EST
Where
Kings (Brooklyn) forecast zone
Reported by
PARK/FOREST SERVICE
Coordinates
40.634, -73.950 (the zone’s center; the record gives no point)

Tropical Storm, Queens

When
September 18, 5:00 PM EST to September 19, 3:00 AM EST
Where
Queens forecast zone
Reported by
PARK/FOREST SERVICE

Tropical Storm, Nassau

When
September 18, 5:00 PM EST to 11:00 PM EST
Where
Nassau forecast zone
Deaths
1 direct, 0 indirect
Injuries
1 direct, 0 indirect
Reported by
BROADCAST MEDIA

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Tropical Storm, Nassau2003-09-1842MaleIn WaterDirect

What these are

Strong Wind
Non-thunderstorm winds below high wind criteria that nonetheless caused damage or casualties.
Tropical Storm
A tropical cyclone with sustained winds of 34 to 63 knots (39 to 73 mph).

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

The same day elsewhere

More

Every storm in New York in 2003Every state in 2003This day in weather historyWarnings in New York, September 2003The 2003 hurricane season

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: 5336229, 5336226, 5336227, 5336228, 5336316.