Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service San Juan PR
427 AM AST Mon May 20 2024
AMZ711>745-PRZ001>013-210830-
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-
427 AM AST Mon May 20 2024
This Hazardous Weather Outlook is for portions of Puerto Rico.
.DAY ONE...Today and Tonight
.Lightning...Isolated to scattered thunderstorms possible across
western sections during the afternoon. 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 the interior to western sections during the
afternoon. Urban and small streams flooding is possible.
.Excessive Heat...Heat index 108-111 degrees across all coastal
areas of mainland PR and the smaller islands. Heat exhaustion
likely with prolonged exposure. Heat stroke possible.
.Rip Currents...Life-threatening rip currents are possible in the
surf zone particularly southwestern beaches during the afternoon.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Hot temperatures will continue through at least Tuesday as winds
continue from the south with clearer skies. On Wednesday onward a
deep layered trough moving across the Caribbean Basin will cause
conditions to deteriorate with heavy showers and thunderstorms
across most of the area. 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.
$$
Hazardous Weather Outlook
National Weather Service San Juan PR
427 AM AST Mon May 20 2024
AMZ716-726-VIZ001-002-210830-
St. Thomas St. John adjacent Islands-St Croix-
Nearshore Atlantic and adjacent Caribbean Coastal Waters-
427 AM AST Mon May 20 2024
This Hazardous Weather Outlook is for portions of USVI.
.DAY ONE...Today and Tonight
.Excessive Heat...Heat index 108-111 degrees across coastal areas.
Heat exhaustion likely with prolonged exposure. Heat stroke
possible.
.Rip Currents...Life-threatening rip currents are possible in the
surf zone particularly eastern beaches of St. Croix.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Hot temperatures will continue through at least Tuesday as winds
continue from the south with clearer skies. On Wednesday onward a
deep layered trough moving across the Caribbean Basin will cause
conditions to deteriorate with heavy showers and thunderstorms
across most of the area. Flooding remains the greatest threat
throughout this time. On Wednesday night through Thursday winds
will strengthen, bringing hazardous marine conditions for the
southwestern regional waters and a moderate risk of rip currents
for most beaches.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
