Puerto Rico, 2024

Debris Flows and Flooding in Puerto Rico, April 29, 2024

April 29, 2024 · NWS SJU · 5 events in 4 counties and zones

By early afternoon, the development of more intense convective activity was recorded over southwest PR. Doppler radar estimated between 2 and 4 inches of rain (locally higher) over the municipalities of the SW of PR, where a Flood Advisory was in effect.

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
$34,000
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 SJU wrote it up.

By early afternoon, the development of more intense convective activity was recorded over southwest PR. Doppler radar estimated between 2 and 4 inches of rain (locally higher) over the municipalities of the SW of PR, where a Flood Advisory was in effect. Additionally, due to isolated to scattered showers the night before, a landslide was recorded in Canovanas.

The radar

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

Open the radar archive at this moment

Event by event

3 debris flow, 2 flood. Local standard time, as filed.

Flood, Lajas

When
April 29, 3:50 PM AST to 5:00 PM AST
Where
Lajas County, 3.34 mi NNW of Lajas to 3.2 mi NNW of Lajas
Cause
Heavy Rain
Property damage
$400
Reported by
Broadcast Media
Coordinates
18.047, -67.043

Social media pictures from a TV weather reporter page indicated that Road PR-117 was |flooded, and two creeks were out of their banks. No people trapped.

Debris Flow, Canovanas

When
April 29, 3:56 PM AST to 4:00 PM AST
Where
Canovanas County, 1.53 mi SSW of Canovanas to 1.42 mi SSW of Canovanas
Cause
Heavy Rain
Property damage
$1,000
Reported by
911 Call Center
Coordinates
18.310, -65.890

A landslide was reported at road PR-186, toward Barrio Cubuy. This landslide was likely due to heavy rainfall reported the night before.

Debris Flow, San German

When
April 29, 4:16 PM AST to 4:20 PM AST
Where
San German County, 2.54 mi WNW of San German to 2.65 mi WNW of San German
Cause
Heavy Rain
Property damage
$1,000
Reported by
911 Call Center
Coordinates
18.113, -67.066

A landslide was reported at Marmol St. in a residential area near the border between San German and Hormigueros.

Flood, Lajas

When
April 29, 5:00 PM AST to 6:10 PM AST
Where
Lajas County, 4.42 mi ENE of Lajas to 4.5 mi ENE of Lajas
Cause
Heavy Rain
Property damage
$30,000
Reported by
Broadcast Media
Coordinates
18.035, -66.974

A TV Meteorologist reported via social media that flooding was affecting the first level of a house, as Quebrada El Rayo was out of it banks. The house was near the creek, close to the bridge that crosses PR-117.

Debris Flow, Sabana Grande

When
April 29, 7:12 PM AST to 7:20 PM AST
Where
Sabana Grande County, 2.43 mi WSW of Sabana Grande to 2.41 mi WSW of Sabana Grande
Cause
Heavy Rain
Property damage
$1,000
Reported by
911 Call Center
Coordinates
18.063, -66.962

A landslide was reported close to an area by PR-2 in Sabana Grande. It was affecting the nearby road.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
Debris Flow
A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.

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

The same day elsewhere

More

Every storm in Puerto Rico in 2024Every state in 2024This day in weather historyWarnings in Puerto Rico, April 2024

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: 1176362, 1176372, 1176370, 1176365, 1176373.