Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service San Juan PR
432 AM AST Tue May 21 2024
AMZ711>745-PRZ001>013-220845-
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-
432 AM AST Tue May 21 2024
This Hazardous Weather Outlook is for portions of Puerto Rico.
.DAY ONE...Today and Tonight
.Lightning...Isolated thunderstorms possible mainly across
northwestern Puerto Rico during the afternoon hours. Be aware of
thunderstorms in your area and be prepared to take shelter.
.Excessive Rainfall...Flooding of urban areas, roads, small
streams, and washes. Isolated flash floods possible.
.Excessive Heat...Heat index 112-114 degrees across coastal areas
of southwestern to northwestern to San Juan metro area. Hot
conditions are expected for the rest of the coastal zones as well.
Heat exhaustion or heat stroke likely with prolonged exposure.
.Rip Currents...Life-threatening rip currents are possible in the
surf zone particularly southwestern PR.
.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.
$$
Hazardous Weather Outlook
National Weather Service San Juan PR
432 AM AST Tue May 21 2024
AMZ716-726-VIZ001-002-220845-
St. Thomas St. John adjacent Islands-St Croix-
Nearshore Atlantic and adjacent Caribbean Coastal Waters-
432 AM AST Tue May 21 2024
This Hazardous Weather Outlook is for portions of USVI.
.DAY ONE...Today and Tonight
.Lightning...Isolated possible across the local islands during
the afternoon. Be aware of thunderstorms in your area and be
prepared to take shelter.
.Excessive Heat...Heat index 112-114 degrees across St. Croix. Hot
conditions also expected for the northern USVI. Heat exhaustion
or heat stroke likely with prolonged exposure.
.Rip Currents...Life-threatening rip currents are possible in the
surf zone particularly eastern St. Croix during the afternoon
hours.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
A deep layered trough moving across the Caribbean Basin will
cause conditions to deteriorate with heavy showers and
thunderstorms across most of the area through into the weekend.
Flooding remains the greatest threat throughout this time. On
Wednesday night through Thursday winds will strengthen, bringing
hazardous marine conditions for the southwestern regional waters
and a moderate risk of rip currents for most beaches.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
