Puerto Rico, 2024

Debris Flow in Puerto Rico, December 28, 2024

December 28, 2024 · NWS SJU · 1 event in 1 county or zone

The remnants of an old frontal boundary approached and then crossed the islands on the 28th and 29th as a strong surface high pressure ridge that moved eastward. This pushed bands of low level moisture and brought periods of showers to the northern half of Puerto Rico.

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
$1,000
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.

The remnants of an old frontal boundary approached and then crossed the islands on the 28th and 29th as a strong surface high pressure ridge that moved eastward. This pushed bands of low level moisture and brought periods of showers to the northern half of Puerto Rico. During the morning of the 28th, a landslide was reported near the Dona Juana Waterfall in Orocovis. During the 24 hours before the event, nearby stations in Matrullas Lake and Guineo Lake, reported 1.16 and 0.93 in, respectively. Since Christmas Eve, those stations had 1.57 and 1.07 in, respectively.

The radar

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

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Event by event

1 debris flow. Local standard time, as filed.

Debris Flow, Orocovis

When
December 28, 6:24 AM AST
Where
Orocovis County, 6.65 mi WSW of Orocovis to 6.64 mi WSW of Orocovis
Cause
Heavy Rain
Property damage
$1,000
Reported by
Emergency Manager
Coordinates
18.180, -66.512

A landslide was reported at PR-149 in Orocovis, near KM 40.5, the closed business La Bodega de Las Brujas, and the Dona Juana Waterfall.

What these are

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, December 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: 1221987.