Puerto Rico, 2009

Heavy Rain in Puerto Rico, January 4, 2009

January 4, 2009 · NWS SJU · 1 event in 1 county or zone

A cloud streamer off the Culebra Island became enhanced by local effects across the Luquillo rain forest and along the northern slopes to the San Juan metropolitan area, resulting in isolated to scattered showers, with estimated radar rainfall amounts that ranged from one inch to three inches.

Where it happened

Every event with a place to put it. 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
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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 SJU wrote it up.

A cloud streamer off the Culebra Island became enhanced by local effects across the Luquillo rain forest and along the northern slopes to the San Juan metropolitan area, resulting in isolated to scattered showers, with estimated radar rainfall amounts that ranged from one inch to three inches.

The radar

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

Open the radar archive at this moment

Event by event

1 heavy rain. Local standard time, as filed.

Heavy Rain, Guaynabo

When
January 4, 2:04 PM AST
Where
Guaynabo County, 6.31 mi NW of Guaynabo
Reported by
Emergency Manager
Coordinates
18.387, -66.105

Road flooding was reported along the Martinez Nadal Avenue, San Patricio exit. One vehicle was reported stranded by the urban flood.

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 Puerto Rico in 2009Every state in 2009This day in weather historyWarnings in Puerto Rico, January 2009

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: 152445.