Puerto Rico, 2008

Debris Flows in Puerto Rico, November 23, 2008

November 23, 2008 · NWS SJU · 2 events in 2 counties and zones

Abundant low level moisture associated with the remnants of a frontal boundary combined with daytime heating and orographic effects to produced scattered to numerous showers and thunderstorms across the eastern interior and western interior sections of Puerto Rico.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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.

Abundant low level moisture associated with the remnants of a frontal boundary combined with daytime heating and orographic effects to produced scattered to numerous showers and thunderstorms across the eastern interior and western interior sections of Puerto Rico.

Event by event

2 debris flow. Local standard time, as filed.

Debris Flow, Central Interior

When
November 23, 4:55 AM AST
Where
Central Interior forecast zone
Reported by
Emergency Manager

Emergency Management official reported Mudslides covering road 155 in the municipality of Naranjito.

Debris Flow, Western Interior

When
November 23, 4:55 AM AST
Where
Western Interior forecast zone
Reported by
Emergency Manager

Emergency Management oficials reported mudslides covernig road 128 and road 124 in the municipality of Lares,with roads closed.

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 2008Every state in 2008This day in weather historyWarnings in Puerto Rico, November 2008

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: 142716, 142717.