Headline:
Red Flag Warning issued June 19 at 2:15AM AST until June 19 at 4:00PM AST by NWS San Juan PR
Event:
Red Flag Warning
Urgency:
Expected
Effective:
June 18, 2026 - 11:15pm
Expires:
June 19, 2026 - 7:15am
Description:
...RED FLAG WARNING IN EFFECT FOR PORTIONS OF SOUTHERN AND WESTERN
PUERTO RICO, VIEQUES AND ST CROIX...
.A RED FLAG WARNING has been issued for today across portions of
southern and western Puerto Rico, Vieques and St Croix, where the
greatest fire danger is expected from late morning through the
afternoon. Expect breezy east to east-southeast winds and windy
gusts, as well as dangerous low RH values, creating 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 from 10 AM this morning to 4 PM AST
this afternoon.
* AFFECTED AREA...Portions of southern and western PR, Vieques and
St Croix.
* 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.
Instruction:
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.
Area Description:
Southeast Coastal Plains; Southern Hills; West Coast; Vieques; Southwest Coastal Plains and Mona Island; Saint Croix
Forcast Office:
NWS San Juan PR
Sender: