826
WWCA72 TJSJ 301318
NPWSJU

URGENT - WEATHER MESSAGE
National Weather Service San Juan PR
918 AM AST Sat Aug 30 2025

PRZ012-013-VIZ001-002-302100-
/O.UPG.TJSJ.HT.Y.0050.250830T1400Z-250830T2100Z/
/O.EXA.TJSJ.XH.W.0008.250830T1400Z-250830T2100Z/
Culebra-Vieques-St.Thomas...St. John...and Adjacent Islands-St
Croix-
Including the cities of Christiansted, Grove Place, Vieques,
Culebra, Cruz Bay, Frederiksted, Charlotte Amalie West,
Frederiksted Southeast, Charlotte Amalie East, Anna`s Retreat,
and Charlotte Amalie
918 AM AST Sat Aug 30 2025

...EXTREME HEAT WARNING IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

* WHAT...This level of heat affects anyone without effective cooling
  and/or adequate hydration. Impacts likely in some health systems,
  heat-sensitive industries and infrastructure.

* WHERE...In Puerto Rico, Culebra and Vieques Counties. In Virgin
  Islands, St Croix and St. Thomas, St. John, and Adjacent Islands
  Counties.

* WHEN...Until 5 PM AST this afternoon.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

Stay cool, stay hydrated, stay informed.

&&

$$

PRZ001>003-005-007-008-010-011-302100-
/O.CON.TJSJ.XH.W.0008.250830T1400Z-250830T2100Z/
San Juan and Vicinity-Northeast-Southeast-North Central-Ponce and
Vicinity-Northwest-Mayaguez and Vicinity-Southwest-
Including the cities of Aguada, Catano, Carolina, Humacao, Lajas,
Moca, Trujillo Alto, Bayamon, Vega Alta, Guaynabo, Naguabo,
Hormigueros, San German, Florida, Camuy, Mayaguez, Anasco,
Maunabo, Toa Alta, Salinas, Rincon, Canovanas, Penuelas,
Guayanilla, Yauco, Ceiba, Dorado, Guanica, Toa Baja, Aguadilla,
Cabo Rojo, Patillas, Hatillo, Arroyo, Ponce, Fajardo, Arecibo,
Yabucoa, Guayama, Isabela, Quebradillas, San Juan, Santa Isabel,
Juana Diaz, Loiza, Luquillo, Rio Grande, Vega Baja, Barceloneta,
and Manati
918 AM AST Sat Aug 30 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 5 PM AST THIS
AFTERNOON...

* WHAT...This level of heat affects anyone without effective cooling
  and/or adequate hydration. Impacts likely in some health systems,
  heat-sensitive industries and infrastructure.

* WHERE...Mayaguez and Vicinity, North Central, Northeast,
  Northwest, Ponce and Vicinity, San Juan and Vicinity, Southeast,
  and Southwest Counties.

* WHEN...Until 5 PM AST this afternoon.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

Stay cool, stay hydrated, stay informed.


&&

$$

CAM