Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
410 FLCA42 TJSJ 160901 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 501 AM AST Thu May 16 2024 AMZ711>745-PRZ001>013-170915- 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- 501 AM AST Thu May 16 2024 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated possible across central interior and northwestern 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 northwestern 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...Friday through Wednesday 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. 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 is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$ AMZ716-726-VIZ001-002-170915- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 501 AM AST Thu May 16 2024 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Excessive Heat...Heat index 102-107 degrees across the coastal and urban areas. Heat exhaustion possible with prolonged exposure. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday .Excessive Heat...Heat index between 100-107 degrees across north and east coastal and urban areas. Heat exhaustion possible with prolonged exposure. By Tuesday an increase in rain will increase the flood threat across the islands. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$