Puerto Rico Minor Flood Advisory | Effective 09/07/2026 15:09

Headline: 
Flood Advisory issued September 7 at 6:09PM AST until September 7 at 9:00PM AST by NWS San Juan PR
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 7, 2026 - 3:09pm
Expires: 
September 7, 2026 - 6:00pm
Description: 
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Humacao County in Puerto Rico... Juncos County in Puerto Rico... Las Piedras County in Puerto Rico... Naguabo County in Puerto Rico... San Lorenzo County in Puerto Rico... * WHEN...Until 900 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 609 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 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.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Humacao, PR; Juncos, PR; Las Piedras, PR; Naguabo, PR; San Lorenzo, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov