Headline:
Flood Advisory issued September 1 at 1:12AM AST until September 1 at 4:15AM AST by NWS San Juan PR
Event:
Flood Advisory
Urgency:
Expected
Effective:
August 31, 2026 - 10:12pm
Expires:
September 1, 2026 - 1:15am
Description:
* WHAT...Urban area and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Canovanas, Humacao, Juncos, Las Piedras, Southeastern
Loiza, Naguabo,Rio Grande...
* WHEN...Until 415 AM AST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises in small streams and normally dry arroyos. Some low-water
crossings may become impassable.
* ADDITIONAL DETAILS...
- At 111 AM AST, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream flooding.
Between 1 and 2.5 inches of rain have fallen.
- Additional rainfall amounts of 1 to 3 inches are expected over
the area. This additional rain will result in minor flooding.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Area Description:
Canovanas, PR; Humacao, PR; Juncos, PR; Las Piedras, PR; Loiza, PR; Naguabo, PR; Rio Grande, PR
Forcast Office:
NWS San Juan PR
Sender:
w-nws.webmaster@noaa.gov