One product issued by NWS for: San Juan PR
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service San Juan PR 453 AM AST Mon May 19 2025 AMZ711>745-PRZ001>013-200900- 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- 453 AM AST Mon May 19 2025 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Flooding in urban areas, roads, small streams, and washes, particularly across north central and northwestern Puerto Rico. There is a low chance of isolated flash floods. Elsewhere, plan for water ponding on roads and in poorly drained areas. .Excessive Heat...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. These conditions are most likely across northern, western and southern coasts of Puerto Rico. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Primary concerns through the period will focus on localized excessive rainfall and lightning. Above-normal temperatures will persist, with an elevated heat risk mainly Tuesday and Wednesday across urban and coastal areas, then limited heat risk will likely prevail the rest of the week. As trade winds strengthen, expect a return of moderate rip current risk by next 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. $$