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Live/Severe Alerts/Record/Flash Flood Warning

Warning

Flash Flood Warning

Carolina, PR; Guaynabo, PR; San Juan, PR; and 1 more

Ended Oct 19, 4:15 PM AST

Flash flooding radar indicated
CAROLINAGUAYNABOSAN JUANTRUJILLO ALTOSan JuanCarolinaGuaynaboTrujillo Alto10 MI
CAROLINAGUAYNABOSAN JUANTRUJILLO ALTOSan JuanTrujillo Alto10 MI
Map of the Flash Flood Warning over Carolina County, Guaynabo County, San Juan County and 1 more, with the area it draws around the storm. Drawn on the national sheet; the scale is at its foot.
In force from
Oct 19, 1:28 PM AST
Until
Oct 19, 4:15 PM AST
Issued
Oct 19, 1:28 PM AST
Office
San Juan, PR
Number
35 of its kind from this office this year
Severity
Severe
Where
PR

The National Weather Service in San Juan has issued a

* Flash Flood Warning for... Northern Carolina in Puerto Rico... Northern Guaynabo in Puerto Rico... San Juan in Puerto Rico... Trujillo Alto in Puerto Rico...

* Until 415 PM AST.

* At 128 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Hazard
Flash flooding caused by thunderstorms.
Source
Radar indicated.
Impact
Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

What to do

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.

Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

Places under it San Juan, Carolina, Guaynabo, Trujillo Alto

Read the platesFlash flood FB-EVT-100How to read a warning FB-STN-001

On the radarRain rate over itRadar

Every warning of October 19, 2026Every severe alert in forcePuerto Rico weather