Puerto Rico Minor Flood Advisory | Effective 09/12/2026 12:29

Headline: 
Flood Advisory issued September 12 at 3:29PM AST until September 12 at 5:30PM AST by NWS San Juan PR
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 12, 2026 - 12:29pm
Expires: 
September 12, 2026 - 2:30pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Hormigueros County in Puerto Rico... Maricao County in Puerto Rico... Mayaguez County in Puerto Rico... San German County in Puerto Rico... * WHEN...Until 530 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 329 PM AST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Hormigueros, PR; Maricao, PR; Mayaguez, PR; San German, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov