NWS San Juan PRFF.W 0033October 4, 2026
Flash Flood Warning: Canovanas, Carolina and Loiza, PR
The National Weather Service office in San Juan issued a flash flood warning for Canovanas, Carolina and Loiza in Puerto Rico, which was in force until 3:45 p.m. local time on October 4. It was the 33rd flash flood warning the NWS office in San Juan issued in 2026. Puerto Rico had 3 flash flood warnings in October 2026, against 10 in an average October of 2008-2025 (Puerto Rico's flash flood warnings by year).
ExpiredWarning
In force for 1.6 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, San Juan PR
- Area
- Canovanas, Carolina and Loiza
- State
- Puerto Rico
- Level
- Warning
- Issued
- 2:11 p.m. EDT, October 4, 2026
- Expires
- 3:45 p.m. EDT, October 4, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- TJSJ FF.W 0033
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Puerto Rico since 2008Every warning type in Puerto Rico
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Canovanas...Carolina and Loiza... * Until 345 PM AST. * At 211 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 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 the agency told people 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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Flash Flood Warnings in Puerto Rico since 200868 a year
- Every warning type in Puerto Rico
- Flash Flood Warning: what it means, and the states that get the most3,924 a year
- NWS notices, October 20261,997 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels