weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service San Juan PR
438 AM AST Wed May 15 2024

AMZ711>745-PRZ001>013-160845-
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-
438 AM AST Wed May 15 2024

This Hazardous Weather Outlook is for portions of Puerto Rico.

.DAY ONE...Today and Tonight

.Lightning...Isolated possible across central interior and west sections
of Puerto Rico 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 central interior and west sections of Puerto Rico
during the afternoon. Urban and small streams flooding is
possible.

.Excessive Heat...Heat index 102-107 degrees mainly along the west
and northwest coastal and urban areas of Puerto Rico and Culebra.
Heat exhaustion possible with prolonged exposure.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
The excessive rainfall and lightning hazards risk are possible
each afternoon but in isolated areas, mainly over the central and
west sections of Puerto Rico due to afternoon showers and isolated
thunderstorm development. With additional moisture advection and
a southeasterly wind flow across the region, heat indices may
surpass 102 degrees Fahrenheit, with localized areas experiencing
108-110 degrees by Friday and into the weekend.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service San Juan PR
438 AM AST Wed May 15 2024

AMZ716-726-VIZ001-002-160845-
St. Thomas St. John adjacent Islands-St Croix-
Nearshore Atlantic and adjacent Caribbean Coastal Waters-
438 AM AST Wed May 15 2024

This Hazardous Weather Outlook is for portions of USVI.

.DAY ONE...Today and Tonight

.Excessive Heat...Heat index 102-107 degrees across the coastal
and urban areas. Heat exhaustion possible with prolonged exposure.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

.Excessive Heat...Heat index between 100-107 degrees across north
and east coastal and urban areas. Heat exhaustion possible with
prolonged exposure.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE