Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
930 FLCA42 TJSJ 110848 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 448 AM AST Sat May 11 2024 AMZ711>745-PRZ001>013-121000- 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- 448 AM AST Sat May 11 2024 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms are possible, mainly across central to northern Puerto Rico in the afternoon and eastern Puerto Rico, Vieques, and Culebra tonight. Be aware of thunderstorms in your area and be prepared to take shelter. .Excessive Rainfall...Flooding of urban areas, roads, and small streams. Since soils remain saturated, life-threatening flash flooding and mudslides, possibly entering structures and cutting off neighborhoods. Some rivers may exceed flood stage, affecting nearby roads and structures. .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 Puerto Rico and other urban areas. Heat exhaustion possible with prolonged exposure. .DAYS TWO THROUGH SEVEN...Sunday through Friday The excessive rainfall and lightning hazards risk will persist each day, particularly from the typical afternoon showers and isolated thunderstorm development. With high moisture levels, heat indices could surpass 102 degrees Fahrenheit each day, with the potential for 108-110 degrees in localized areas on Sunday. A moderate rip current risk is likely on Tuesday and Friday. .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. $$ AMZ716-726-VIZ001-002-121000- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 448 AM AST Sat May 11 2024 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms are possible tonight. Be aware of thunderstorms in your area and be prepared to take shelter. .Excessive Rainfall...Ponding of water in roads and poorly drained areas. Urban and small stream flooding is possible. .Excessive Heat...Heat index 102-107 degrees. Heat exhaustion possible with prolonged exposure. .DAYS TWO THROUGH SEVEN...Sunday through Friday With high moisture levels, heat indices could surpass 102 degrees Fahrenheit each day. A moderate rip current risk is likely from Tuesday onward, mainly for Saint Croix. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$