Puerto Rico Minor Flood Advisory | Effective 09/20/2026 11:50

Headline: 
Flood Advisory issued September 20 at 2:50PM AST until September 20 at 4:30PM AST by NWS San Juan PR
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 20, 2026 - 11:50am
Expires: 
September 20, 2026 - 1:30pm
Description: 
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Camuy County in Puerto Rico... Isabela County in Puerto Rico... Lares County in Puerto Rico... Quebradillas County in Puerto Rico... San Sebastian County in Puerto Rico... * WHEN...Until 430 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 249 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.
Area Description: 
Camuy, PR; Isabela, PR; Lares, PR; Quebradillas, PR; San Sebastian, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov