Puerto Rico, 2025Debris Flow and Flood in Puerto Rico, September 12, 2025
September 12, 2025 · NWS SJU · 3 events in 2 counties and zones
Persistent shower activity was observed as a tropical wave moves across the local area. This moisture, along with a weak steering flow, resulted in the development of strong thunderstorms across the interior of Puerto Rico.
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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $8,000
- Crop damage
- None recorded
- Events
- 3
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.
Persistent shower activity was observed as a tropical wave moves across the local area. This moisture, along with a weak steering flow, resulted in the development of strong thunderstorms across the interior of Puerto Rico.
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 Sep 12, 2:04 PM AST, 1 hour 56 minutes earlier.
Area forecast discussion, Sep 12, 2:04 PM AST, 1 hour 56 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Sep 12, 3:26 AM AST, 12 hours 34 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>In the hours before
Special weather statement, Sep 12, 1:58 PM AST, 2 hours 2 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Sep 12, 2:40 PM AST, 1 hour 20 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Event by event
1 debris flow, 1 lightning, 1 flood. Local standard time, as filed.
Debris Flow, Utuado
- When
- September 12, 4:00 PM AST to 7:00 PM AST
- Where
- Utuado County, 2.42 mi WNW of Utuado to 2.4 mi WNW of Utuado
- Cause
- Heavy Rain
- Property damage
- $400
- Reported by
- Emergency Manager
- Coordinates
- 18.279, -66.736
Emergency managers report a landslide affecting both lanes of Road 111 at km 55.2, near Papin Grocery Store and Bar in Utuado.
Lightning, Orocovis
- When
- September 12, 4:20 PM AST
- Where
- Orocovis County, 3.18 mi SSE of Orocovis
- Property damage
- $8,000
- Reported by
- Public
- Coordinates
- 18.175, -66.410
A member of the public posted an image on social media of a fallen power pole struck by lightning during thunderstorm activity in Bo. Saltos, Sector La Charca in Orocovis.
Flood, Utuado
- When
- September 12, 4:40 PM AST to 6:30 PM AST
- Where
- Utuado County, 0.08 mi SSW of Utuado to 0.09 mi SW of Utuado
- Cause
- Heavy Rain
- Property damage
- $400
- Reported by
- Emergency Manager
- Coordinates
- 18.269, -66.701
Emergency managers report runoff and flooding on Road 111, in front of LarCoop near Residencial Jardines de Utuado and the Emergency Management office. Roads remain passable, with about 3 inches of rainfall were recorded at the time of the report.
- Debris Flow
- A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.
- Lightning
- A lightning strike that killed, injured or caused damage.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornado and Flash Flooding in Arizona, September 12 to 13, 20251 death · $16,000 · 2.75 in hail · 13 events
- Rip Current in Texas, September 12, 20251 death · 1 event
- Tornado and Hail in North Dakota, September 12, 20251.5 in hail · 9 events
- Marine Thunderstorm Winds and Waterspout in Gulf of Mexico, September 12 to 13, 20258 events
- Damaging Winds in South Dakota, September 12 to 13, 202558 kt wind · 7 events
- Hail in North Dakota, September 12, 20251.75 in hail · 6 events
- Hail in Minnesota, September 12, 20251.5 in hail · 5 events
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, September 12, 20253 events
- Hail and Damaging Wind in Minnesota, September 12, 20251 in hail · 2 events
- Hail in Montana, September 12, 20251.5 in hail · 2 events
- Hail in South Dakota, September 12, 20251.75 in hail · 2 events
- Damaging Wind in Montana, September 12, 202550 kt wind · 1 event
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 2026-09-30. Each event’s entry at NCEI: 1294703, 1294702, 1294701.