Puerto Rico Minor Flood Advisory | Effective 09/21/2026 10:52

Headline: 
Flood Advisory issued September 21 at 1:52PM AST until September 21 at 3:45PM AST by NWS San Juan PR
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 21, 2026 - 10:52am
Expires: 
September 21, 2026 - 12:45pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Morovis County in Puerto Rico... Vega Alta County in Puerto Rico... Vega Baja County in Puerto Rico... * WHEN...Until 345 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 152 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: 
Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Morovis, PR; Vega Alta, PR; Vega Baja, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov