Winter Storm Warnings
March 27 2026
FFWSJU
The National Weather Service in San Juan has issued a
* Flash Flood Warning for...
Utuado in Puerto Rico...
* Until 830 PM AST.
* At 629 PM AST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 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.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
FFWSJU
The National Weather Service in San Juan has issued a
* Flash Flood Warning for...
Northern Arecibo County in Puerto Rico...
Northern Camuy County in Puerto Rico...
Northern Hatillo County in Puerto Rico...
* Until 815 PM AST.
* At 611 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.
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...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...Along Rio Culebrinas in Aguada, Aguadilla, Moca and San
Sebastian.
* WHEN...Until 500 AM AST Saturday.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring.
* ADDITIONAL DETAILS...
- At 553 PM AST, USGS gage reports indicated that Rio
Culebrinas is almost at minor flood stage in Aguada.
Additionally, the upstream gage continues to increase. This
could result in river flood later in the evening hours.
Flooding is ongoing or expected to begin shortly in the
warned area.
- Low water crossings in Sector Cocos, Barrio Marias in Moca.
Road PR-110, km 10.1 interior. Around Barrio Espinar in
Aguada.