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Flood Watch

National Weather Service San Juan PR

943 PM AST Thu May 2 2024



...There is an increasing risk for Flash Flooding Friday and

early this weekend due to favorable atmospheric conditions

resulting in periods of heavy rainfall as well as saturated soils

and rivers above normal levels...



PRZ001>013-VIZ001-002-031000-

/O.CON.TJSJ.FA.A.0002.240503T1000Z-240505T2200Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

San Juan and Vicinity-Northeast-Southeast-Eastern Interior-

North Central-Central Interior-Ponce and Vicinity-Northwest-

Western Interior-Mayaguez and Vicinity-Southwest-Culebra-Vieques-

St.Thomas...St. John...and Adjacent Islands-St Croix-

Including the cities of Bayamon, Carolina, Catano, Guaynabo, 

San Juan, Toa Alta, Toa Baja, Trujillo Alto, Ceiba, Canovanas, 

Fajardo, Humacao, Loiza, Luquillo, Naguabo, Rio Grande, Arroyo, 

Guayama, Maunabo, Patillas, Salinas, Yabucoa, Aguas Buenas, 

Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, 

San Lorenzo, Arecibo, Barceloneta, Dorado, Florida, Manati, 

Vega Alta, Vega Baja, Aibonito, Barranquitas, Ciales, Coamo, 

Corozal, Jayuya, Morovis, Naranjito, Orocovis, Villalba, 

Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, Santa Isabel, 

Aguadilla, Camuy, Hatillo, Isabela, Quebradillas, Adjuntas, 

Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, Utuado,

Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, San German, 

Cabo Rojo, Guanica, Lajas, Culebra, Vieques, Anna's Retreat, 

Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, 

Cruz Bay, Christiansted, Frederiksted, Frederiksted Southeast, 

and Grove Place

943 PM AST Thu May 2 2024



...FLOOD WATCH REMAINS IN EFFECT FROM 6 AM AST FRIDAY THROUGH

SUNDAY AFTERNOON...



The Flood Watch continues for



* Portions of Puerto Rico and Virgin Islands, including the 

  following areas, in Puerto Rico, Central Interior, Culebra, 

  Eastern Interior, Mayaguez and Vicinity, North Central, 

  Northeast, Northwest, Ponce and Vicinity, San Juan and 

  Vicinity, Southeast, Southwest, Vieques, and Western Interior. 

  In Virgin Islands, St Croix and St.Thomas...St. John...and 

  Adjacent Islands. 



* From 6 AM AST Friday through Sunday afternoon



* WHEN...From Friday morning through Sunday afternoon.



* IMPACTS...Excessive runoff may result in flooding of rivers, 

  creeks, streams, and other low-lying and flood-prone 

  locations. Creeks and streams may rise out of their banks. 

  Flooding may occur in poor drainage and urban areas. 



   Based on the latest guidance, the most likely time period for

   the heaviest rainfall activity is Friday afternoon into    

   Saturday. The areas most likely to receive the highest    

   rainfall accumulations are portions of the southeast and east    

   sections of Puerto Rico, as well as Vieques, Culebra and the    

   US Virgin Islands.



   Rainfall accumulations are expected to range from 2 to 4    

   inches, especially for the eastern half of Puerto Rico and    

   the Virgin Islands with isolated higher amounts possible    

   between 6 and 8 inches. Elsewhere, 1 to 3 inches are    

   expected.



   Due to already saturated soils, any prolonged period of heavy

   rainfall will result in urban and small stream flooding. Some

   rivers will likely overflow their banks. Therefore, Isolated 

   life threatening flash flooding and mudslides are possible as 

   well.



 - Http://www.weather.gov/safety/flood



PRECAUTIONARY/PREPAREDNESS ACTIONS...



You should monitor later forecasts and be alert for possible

Flood Warnings. Those living in areas prone to flooding should be

prepared to take action should flooding develop.



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