Headline:
Flash Flood Warning issued April 28 at 3:52PM AST until April 28 at 7:00PM AST by NWS San Juan PR
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
April 28, 2026 - 12:52pm
Expires:
April 28, 2026 - 4:00pm
Description:
FFWSJU
The National Weather Service in San Juan has issued a
* Flood Advisory has been upgraded into a Flash Flood Warning for
Comerio...
* Until 700 PM AST.
* At 352 PM AST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 1 inch in 1 hour.
Additional rainfall amounts up to 1 inch are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
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:
Comerio, PR
Forcast Office:
NWS San Juan PR
Sender: