NWS San Juan PRFW.W 0004July 11, 2026
Red Flag Warning: Southeast Coastal Plains, Southern Hills, West Coast and 1 more, PR
The National Weather Service office in San Juan issued a red flag warning for Southeast Coastal Plains, Southern Hills, West Coast and 1 more in Puerto Rico, which was in force until 5:00 p.m. local time on July 11. It was the 4th red flag warning the NWS office in San Juan issued in 2026. Puerto Rico had 1 red flag warning in July 2026, against 1 in an average July of 2008-2025 (Puerto Rico's red flag warnings by year).
ExpiredWarning
In force for 5.5 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
- Southeast Coastal Plains, Southern Hills, West Coast and 1 more
- State
- Puerto Rico
- Level
- Warning
- Issued
- 11:31 a.m. EDT, July 11, 2026
- Expires
- 5:00 p.m. EDT, July 11, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- TJSJ FW.W 0004
- Official source
- National Weather Service: the notice at its source
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
...RED FLAG WARNING IN EFFECT FOR PORTIONS OF SOUTHERN AND WESTERN PUERTO RICO... .A RED FLAG WARNING has been issued for today across portions of southern and western Puerto Rico, where the greatest fire danger is expected from late morning through the afternoon. Expect breezy east to east-southeast winds and strong gusts, as well as low relative humidities, creating a high risk of fire weather conditions. These conditions combined with critically dry fuels will promote the rapid spreading of any fire that develops. The National Weather Service in San Juan has issued a Red Flag Warning, which is in effect until 5 PM AST this afternoon. * AFFECTED AREA...The coastal plains and hills of southern and western Puerto Rico. * WIND...East to east-southeast at 15 to 23 mph, with stronger gusts around 30 mph. * HUMIDITY...Relative humidity values from the mid 40 to low 50s. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
What the agency told people to do
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
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.