Headline:
Flood Advisory issued August 31 at 11:37PM AST until September 1 at 2:30AM AST by NWS San Juan PR
Event:
Flood Advisory
Urgency:
Expected
Effective:
August 31, 2026 - 8:37pm
Expires:
August 31, 2026 - 11:30pm
Description:
* WHAT...Urban area and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Arroyo, Guayama, Maunabo, Patillas...
* WHEN...Until 230 AM AST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Dangerous flows over low-water crossings.
* ADDITIONAL DETAILS...
- At 1136 PM AST, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream flooding.
Between 2 and 3 inches of rain have fallen.
- Additional rainfall amounts of 1 to 2 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.
Area Description:
Arroyo, PR; Guayama, PR; Maunabo, PR; Patillas, PR
Forcast Office:
NWS San Juan PR
Sender:
w-nws.webmaster@noaa.gov