New York, 2004

Heavy Rain in New York, July 13, 2004

July 13, 2004 · NWS OKX · 3 events in 2 counties and zones

A warm front was quasi-stationary just to the south of Long Island During July 12th and 13th. Copious amounts of moisture was associated with this front and produced very heavy rains with embedded thunderstorms across Long Island.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

A warm front was quasi-stationary just to the south of Long Island During July 12th and 13th. Copious amounts of moisture was associated with this front and produced very heavy rains with embedded thunderstorms across Long Island. Storm total amounts of 3 to 6 inches were common. The heaviest rain fell across the Twin Forks of Long Island.

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 Jul 13, 10:12 AM EST, 5 hours 25 minutes earlier.

Area forecast discussion, Jul 13, 10:12 AM EST, 5 hours 25 minutes before
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Hazardous weather outlook, Jul 13, 4:05 AM EST, 11 hours 32 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

3 heavy rain. Local standard time, as filed.

Heavy Rain, Nassau

When
July 13, 3:37 PM EST
Where
Nassau County, Lynbrook
Reported by
OFFICIAL NWS OBS.
Coordinates
40.732, -73.585 (the zone’s center; the record gives no point)

2.31" storm total.

Heavy Rain, Suffolk

When
July 13, 4:00 PM EST
Where
Suffolk County, Sag Harbor
Reported by
OFFICIAL NWS OBS.
Coordinates
40.941, -72.685 (the zone’s center; the record gives no point)

5.5" storm total.

Heavy Rain, Nassau

When
July 13, 4:45 PM EST
Where
Nassau County, Bethpage
Reported by
OFFICIAL NWS OBS.
Coordinates
40.732, -73.585 (the zone’s center; the record gives no point)

2.00" storm total.

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

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

The same day elsewhere

More

Every storm in New York in 2004Every state in 2004This day in weather historyWarnings in New York, July 2004

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: 5413522, 5413523, 5413524.