Puerto Rico, 2006

Debris Flow and Damaging Wind in Puerto Rico, July 29, 2006

July 29, 2006 · NWS SJU · 6 events in 3 counties and zones

A band of showers and thunderstorms, the leading edge of a tropical wave, moved over Puerto Rico producing strong wind gusts and heavy rain.

The toll

Deaths
0
Injuries
1
Property damage
None recorded
Crop damage
None recorded
Events
6

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 band of showers and thunderstorms, the leading edge of a tropical wave, moved over Puerto Rico producing strong wind gusts and heavy rain.

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 San Juan, PR wrote its last area forecast discussion before the first event at Jul 28, 11:45 PM AST, 1 hour 14 minutes earlier.

Area forecast discussion, Jul 28, 11:45 PM AST, 1 hour 14 minutes before
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Hazardous weather outlook, Jul 28, 6:30 AM AST, 18 hours 29 minutes before
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Event by event

4 heavy rain, 1 thunderstorm wind, 1 debris flow. Local standard time, as filed.

Thunderstorm Wind, San Juan and Vicinity

When
July 29, 12:59 AM AST
Where
San Juan and Vicinity County, San Juan
Measured
40 kt (46 mph) estimated gust
Injuries
1 direct, 0 indirect
Reported by
EMERGENCY MANAGER

A tree fell on top of car injuring one person.

Heavy Rain, San Juan and Vicinity

When
July 29, 1:03 AM AST to 3:00 AM AST
Where
San Juan and Vicinity County, Carolina
Reported by
EMERGENCY MANAGER

Urban and street flooding reported at Segovia street in Vistamar.

Heavy Rain, San Juan and Vicinity

When
July 29, 2:22 AM AST to 3:00 AM AST
Where
San Juan and Vicinity County, San Juan
Reported by
EMERGENCY MANAGER

Urban flooding was reported at Villa Castin, San Jose Residential Project.

Heavy Rain, Northeast

When
July 29, 2:34 AM AST to 4:00 AM AST
Where
Northeast County, Canovanas
Reported by
EMERGENCY MANAGER

Urban flooding was reported at Parcela 184, Barrio San Isidro.

Heavy Rain, Northeast

When
July 29, 3:19 AM AST to 5:00 AM AST
Where
Northeast County, Naguabo
Reported by
EMERGENCY MANAGER

One person was reported trapped by flood waters along road 970 at Barrio Maizales

Debris Flow, Southeast

When
July 29, 3:19 AM AST
Where
Southeast forecast zone
Reported by
EMERGENCY MANAGER

A landslide was reported along Highway 3 from Yabucoa to Naguabo.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
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 2006Every state in 2006This day in weather historyWarnings in Puerto Rico, July 2006

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: 5523241, 5523242, 5523243, 5523244, 5523245, 5523246.