Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
657 FLCA42 TJSJ 170910 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 510 AM AST Fri May 17 2024 AMZ711>745-PRZ001>013-180915- 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- 510 AM AST Fri May 17 2024 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Excessive Rainfall...Ponding of water in roads and poorly drained areas across northwestern sections of Puerto Rico. Urban and small streams flooding is possible. .Excessive Heat...Heat index 108-111 degrees across north-central sections of Puerto Rico. The rest of the coastal areas, the risk will remain limited with heat indices in the 102-107 Fahrenheit degrees. Heat exhaustion likely with prolonged exposure. Heat stroke possible. .DAYS TWO THROUGH SEVEN...Saturday through Thursday The heat threat will remain for at least Sunday. An increase in the flooding and the lightning threat is forecast from Monday into Thursday. Therefore, ponding of waters and urban flooding is expected for that period. .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. $$ AMZ716-726-VIZ001-002-180915- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 510 AM AST Fri May 17 2024 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Excessive Heat...Heat index 102-107 degrees across the coastal areas. Heat indices should round in the 102-107 Fahrenheit degrees. . Heat exhaustion possible with prolonged exposure. .DAYS TWO THROUGH SEVEN...Saturday through Thursday The heat threat will remain for at least Sunday. An increase in the flooding and the lightning threat is forecast from Monday into Thursday. Therefore, ponding of waters and urban flooding is expected for that period. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$