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Río Grande Municipio, Puerto Rico severe weather history spans 53 recorded events between 2009 and 2025. The dominant hazard is flash flood, accounting for 58.5% of all recorded events. It ranks #3,033 nationally and #22 in Puerto Rico.
53
Recorded events
0
Direct deaths
0
Direct injuries
$38K
Property damage
The record
What the Río Grande Municipio, Puerto Rico severe weather history record shows
Across the archive, Río Grande Municipio, Puerto Rico severe weather history averages 3.3 recorded events a year. The busiest stretch on record is the 2020s, with 27 events logged in that decade alone.
The costliest is flash flood, with $31K in reported property damage. In total, 6 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Río Grande Municipio
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Flash Flood | 31 | 0 | $31K | 0 | 2010–2025 |
| Flood | 15 | 0 | $2K | 0 | 2012–2024 |
| Debris Flow | 4 | 0 | $0 | 0 | 2020–2021 |
| Hail | 1 | 0 | $0 | 0.75 | 2012–2012 |
| Thunderstorm Wind | 1 | 0 | $5K | 35 | 2024–2024 |
| Heavy Rain | 1 | 0 | $0 | 0 | 2009–2009 |
Decade by decade
Río Grande Municipio, Puerto Rico severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Emergency managers reported that PR-191, right by El Yunque Treehouse in Mameyes 2, was completely impassable. Emergency managers were waiting for flood waters to subside so they could reach people trapped, but secure, in that area. The USGS river sensor 10 minutes prior measured 8.90 ft of water levels.
Emergency managers reported that flash flood waters from Quebrada Tabonuco, a |tributary of the Rio Mameyes, blocked PR-191 near kilometer 1.2, leaving the communities of Sector La Vega and Barcelona in Barrio Mameyes, Rio Grande, stranded.
Route 191 flooded due to Mameyes river out of its banks. Parts of Barrio Palmer and Barrio La Vega were affected by the river flooding. Also, portions of route 186 were flooded due to Espiritu Santo river out of its banks.
Context
Risk, population and federal disasters
Insufficient Data
FEMA NRI risk rating
46,051
Population (ACS)
$132K
Median home value
26
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Nov 27, 2024 | Tropical Storm | TROPICAL STORM ERNESTO | DR |
| Aug 13, 2024 | Severe Storm | TROPICAL STORM ERNESTO | EM |
| Sep 21, 2022 | Hurricane | HURRICANE FIONA | DR |
| Sep 18, 2022 | Hurricane | TROPICAL STORM FIONA | EM |
| Aug 22, 2020 | Hurricane | TROPICAL STORM LAURA | EM |
| Jul 29, 2020 | Hurricane | POTENTIAL TROPICAL CYCLONE NINE | EM |
Within the county
Most affected places
- Rio Grande 226
Quick answers
Frequently asked
How many severe weather events have been recorded in Río Grande Municipio, Puerto Rico?
53 events are on record between 2009 and 2025, causing 0 direct deaths and $38K in property damage.
What is the most common severe weather hazard in Río Grande Municipio?
Flash Flood, with 31 recorded events — 58.5% of everything in the archive for this county.
How many federal disaster declarations cover Río Grande Municipio?
26 federal disaster declarations from FEMA include Río Grande Municipio, each tied to a specific incident period.
How risky is Río Grande Municipio compared with the rest of the country?
FEMA's National Risk Index rates Río Grande Municipio as insufficient data risk, placing it in the 0 percentile of its state for expected annual loss.
Where does the Río Grande Municipio, Puerto Rico severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Rincón Municipio 10
- Sabana Grande Municipio 20
- Quebradillas Municipio 8
- Salinas Municipio 50
- Ponce Municipio 141
- San Germán Municipio 33
Cite this page
“Río Grande Municipio, Puerto Rico.” Severe Weather History. severeweatherhistory.com/county/puerto-rico/rio-grande-municipio/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.