Flood Warning Puerto Rico | Effective 04/06/2026 05:34

Headline: 
Flood Warning issued April 6 at 8:34AM AST until April 6 at 10:30AM AST by NWS San Juan PR
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 6, 2026 - 5:34am
Expires: 
April 6, 2026 - 7:30am
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Along Rio Blanco in Naguabo. * WHEN...Until 1030 AM AST. * IMPACTS...Streams continue to rise due to excess runoff from earlier rainfall. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 831 AM AST, the USGS gauge latest report indicated that Rio Blanco dropped to action flooding stage. Nevertheless, emergency managers confirmed that the river was out of its banks, with PR-31 near PR-53 exit 22 impassable. Between 2 and 2.5 inches of rain have fallen.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Naguabo, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov