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🔵 Minor

Flood Advisory

Bayamon, PR; Carolina, PR; Catano, PR; Guaynabo, PR; San Juan, PR; Toa Baja, PR

Flood Advisory issued October 31 at 2:50PM AST until October 31 at 4:45PM AST by NWS San Juan PR

Alert Description

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Bayamon, Carolina, Catano, Guaynabo, San Juan and Toa Baja. * WHEN...Until 445 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 250 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Up to 2 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. - http://www.weather.gov/safety/flood

Safety Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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.

Time Information

Effective
Oct 31, 2025, 6:50 PM
Expires
Oct 31, 2025, 8:45 PM
Issued
Oct 31, 2025, 6:50 PM

Alert Details

Severity
Minor
Urgency
Expected
Certainty
Likely
Category
Met

Issued By

NWS San Juan PR
National Weather Service

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