Watches, Warnings & Advisories



2 products issued by NWS for:

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service San Juan PR
432 AM AST Tue May 21 2024

AMZ716-726-VIZ001-002-220845-
St. Thomas St. John adjacent Islands-St Croix-
Nearshore Atlantic and adjacent Caribbean Coastal Waters-
432 AM AST Tue May 21 2024

This Hazardous Weather Outlook is for portions of USVI.

.DAY ONE...Today and Tonight

.Lightning...Isolated possible across the local islands during
the afternoon. Be aware of thunderstorms in your area and be
prepared to take shelter.

.Excessive Heat...Heat index 112-114 degrees across St. Croix. Hot
conditions also expected for the northern USVI. Heat exhaustion
or heat stroke likely with prolonged exposure.

.Rip Currents...Life-threatening rip currents are possible in the
surf zone particularly eastern St. Croix during the afternoon
hours.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A deep layered trough moving across the Caribbean Basin will
cause conditions to deteriorate with heavy showers and
thunderstorms across most of the area through into the weekend.
Flooding remains the greatest threat throughout this time. On
Wednesday night through Thursday winds will strengthen, bringing
hazardous marine conditions for the southwestern regional waters
and a moderate risk of rip currents for most beaches.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service San Juan PR
308 AM AST Tue May 21 2024

PRZ002-003-012-013-VIZ001-211700-
/O.NEW.TJSJ.HT.Y.0009.240521T1400Z-240521T2200Z/
Northeast-Southeast-Culebra-Vieques-St.Thomas...St. John...and
Adjacent Islands-
Including the cities of Culebra, Canovanas, Arroyo, Patillas,
Charlotte Amalie, Naguabo, Humacao, Ceiba, Anna`s Retreat,
Yabucoa, Cruz Bay, Loiza, Salinas, Vieques, Charlotte Amalie
West, Luquillo, Guayama, Charlotte Amalie East, Fajardo, Maunabo,
and Rio Grande
308 AM AST Tue May 21 2024

...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM AST THIS
EVENING...

* WHAT...Heat index values up to 111 expected.

* WHERE...In Puerto Rico, Vieques and Culebra, the east and
  southeast, from Loiza to Salinas. In Virgin Islands, St. Thomas
  and St. John.

* WHEN...From 10 AM this morning to 6 PM AST this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

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.

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.

&&

$$

ERG