Watches, Warnings & Advisories



2 products issued by NWS for: San Juan PR

Excessive Heat Watch

URGENT - WEATHER MESSAGE
National Weather Service San Juan PR
410 PM AST Wed Jun 12 2024

PRZ001-005-008-010-130415-
/O.CON.TJSJ.EH.W.0010.000000T0000Z-240612T2200Z/
/O.CON.TJSJ.EH.A.0006.240613T1300Z-240613T2200Z/
San Juan and Vicinity-North Central-Northwest-Mayaguez and
Vicinity-
Including the cities of Toa Baja, Dorado, Moca, Guaynabo,
Carolina, Anasco, San German, Toa Alta, Barceloneta, Florida,
Aguadilla, San Juan, Bayamon, Quebradillas, Vega Baja, Trujillo
Alto, Aguada, Catano, Vega Alta, Arecibo, Isabela, Rincon,
Mayaguez, Manati, Hatillo, Hormigueros, and Camuy
410 PM AST Wed Jun 12 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM AST THIS
EVENING...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY AFTERNOON...

* WHAT...For the Excessive Heat Warning, dangerously hot conditions
  with heat index values up to 109. For the Excessive Heat Watch,
  dangerously hot conditions with heat index values up to 109
  possible.

* WHERE...Mayaguez and Vicinity, North Central, Northwest, and San
  Juan and Vicinity Counties.

* WHEN...For the Excessive Heat Warning, until 6 PM AST this
  evening. For the Excessive Heat Watch, from Thursday morning
  through Thursday 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.

Monitor the latest forecasts and warnings for updates.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service San Juan PR
410 AM AST Wed Jun 12 2024

AMZ711>745-PRZ001>013-131000-
San Juan and Vicinity-Northeast-Southeast-Eastern Interior-
North Central-Central Interior-Ponce and Vicinity-Northwest-
Western Interior-Mayaguez and Vicinity-Southwest-Culebra-Vieques-
The nearshore and off shore Atlantic and Caribbean Coastal Waters-
410 AM AST Wed Jun 12 2024

This Hazardous Weather Outlook is for portions of Puerto Rico.

.DAY ONE...Today and Tonight

.Lightning...Isolated thunderstorms are possible across western
Puerto Rico this afternoon and eastern Puerto Rico, including
Vieques and Culebra, tonight. Be aware of thunderstorms in your
area and be prepared to take shelter.

.Excessive Rainfall...Ponding of water in roads and poorly
drained areas across western Puerto Rico this afternoon. Urban
and small streams flooding is possible. Minor impacts are
expected across eastern Puerto Rico tonight.

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

.Wind...Breezy conditions across coastal areas. Unsecured items
could blow around.

.Rip Currents...Life-threatening rip currents are possible in the
surf zone, particularly in beaches of the north-central,
northwest, southeast, and southwest sections of Puerto Rico.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Since dangerously hot conditions will likely continue, an
Excessive Heat Watch is in place for Thursday. Afternoon
convective development may lead to limited excessive rainfall
impacts, mainly across far western and eastern sections of Puerto
Rico on Thursday. Localized breezy conditions are also likely on
Thursday, especially across southern and northern coastal areas. A
moderate risk of rip current will continue for northern Puerto
Rico through Thursday and for southern Puerto Rico through the
weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$