FLCA42 TJSJ 120802
HWOSJU

Hazardous Weather Outlook
National Weather Service San Juan PR
402 AM AST Sun May 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-
402 AM AST Sun May 12 2024

This Hazardous Weather Outlook is for portions of Puerto Rico.

.DAY ONE...Today and Tonight

.Lightning...Isolated thunderstorms are possible, mainly across 
northern sections in the afternoon. Be aware of thunderstorms in 
your area and be prepared to take shelter.

.Excessive Rainfall...Flooding of urban areas, roads, and small
streams, mainly across north-central to northwestern sections. 
Isolated flash floods possible.

.Excessive Heat...Heat index of 102-107 degrees across most 
coastal areas, including Vieques and Culebra. Localized heat index
exceeding 108 degrees are possible, mainly across northern
sections and urban areas. Heat exhaustion possible with prolonged
exposure.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The excessive rainfall and lightning hazards risk will persist 
through at least midweek, particularly from the typical afternoon
showers and isolated thunderstorm development. With high moisture
levels, heat indices could surpass 102 degrees Fahrenheit each 
day, with localized areas possibly experiencing 108-110 degrees.
A moderate rip current risk is likely on Tuesday. Lingering
Saharan dust will persist throughout the period. 

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

AMZ716-726-VIZ001-002-131000-
St. Thomas St. John adjacent Islands-St Croix-
Nearshore Atlantic and adjacent Caribbean Coastal Waters-
402 AM AST Sun May 12 2024

This Hazardous Weather Outlook is for portions of USVI.

.DAY ONE...Today and Tonight

.Excessive Heat...Heat index of 102-107 degrees across most 
islands. Localized heat index exceeding 108 degrees are possible,
mainly across urban areas. Heat exhaustion possible with 
prolonged exposure.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The excessive rainfall and lightning hazards risk will persist 
through at least midweek, particularly from the typical afternoon
showers and isolated thunderstorm development. With high moisture
levels, heat indices could surpass 102 degrees Fahrenheit each 
day, with localized areas possibly experiencing 108-110 degrees.
A moderate rip current risk is likely on Saturday. Lingering
Saharan dust will persist throughout the period. 

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$