Alert archive / Puerto Rico / Flash Flood Watches in 2021

Flash Flood Watch 1, NWS JSJ

August 9, 2021

NWS JSJ issued this flash flood watch at Aug 9, 2021, 8:38 AM CDT. It took effect at Aug 10, 2021, 10:00 AM CDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Aug 9, 2021, 8:38 AM CDT (13:38 UTC)
In effect from
Aug 10, 2021, 10:00 AM CDT
Expired
Aug 11, 2021, 7:15 AM CDT
In force
21 hr
Issued by
NWS JSJ
Flood severity
None

The text

As transmitted.

898 
WGCA62 TJSJ 091338
FFASJU

Flood Watch
National Weather Service San Juan PR
938 AM AST Mon Aug 9 2021

.THERE IS AN INCREASING RISK FOR FLOODING LATE TUESDAY MORNING THRU 
LATE WEDNESDAY.

PRZ001>013-VIZ001-002-092145-
/O.NEW.TJSJ.FF.A.0001.210810T1500Z-210812T0000Z/
/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 Morovis, Santa Isabel, Toa Alta, Las
Piedras, Cabo Rojo, Lajas, Trujillo Alto, Yabucoa, Arecibo,
Mayaguez, Maunabo, Anna's Retreat, San Sebastian, Aibonito,
Guayama, Corozal, Charlotte Amalie, Naguabo, Maricao, Charlotte
Amalie West, San Juan, Jayuya, Gurabo, Hormigueros, Carolina,
Aguada, Rincon, Adjuntas, Vega Alta, Vieques, Christiansted,
Lares, Loiza, Florida, Manati, Aguadilla, Cidra, Canovanas,
Sabana Grande, Orocovis, Luquillo, Isabela, Arroyo, Ponce, Moca,
Juncos, Vega Baja, Camuy, Aguas Buenas, Guanica, Culebra,
Bayamon, Guayanilla, Cruz Bay, San German, Catano, Ceiba, Ciales,
Juana Diaz, Quebradillas, Frederiksted Southeast, Yauco, Rio
Grande, Utuado, Las Marias, San Lorenzo, Humacao, Villalba,
Baranquitas, Caguas, Charlotte Amalie East, Penuelas, Coamo,
Hatillo, Naranjito, Guaynabo, Comerio, Frederiksted, Dorado,
Grove Place, Toa Baja, Barceloneta, Anasco, Cayey, Fajardo,
Patillas, and Salinas
938 AM AST Mon Aug 9 2021

...FLASH FLOOD WATCH IN EFFECT FROM LATE TUESDAY MORNING THROUGH 
WEDNESDAY EVENING...

The National Weather Service in San Juan has issued a

* Flash Flood Watch for Portions of Puerto Rico, including the 
  following , 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. Portions of Virgin Islands, including the 
  following , St Croix and St.Thomas...St. John...and Adjacent 
  Islands.

* From Tuesday morning through Wednesday evening.

* A low pressure system located 150 miles east of Barbados will move 
  west-northwestward towards the U.S. Virgin Islands and Puerto 
  Rico. The most likely time period for the heaviest rainfall 
  activity associated with this approaching area of low pressure is 
  late Tuesday morning into Wednesday while the areas most likely to 
  receive the highest rainfall accumulations are portions of the 
  southern and eastern third of Puerto Rico.

* Expect rainfall accumulations between 2 and 3 with isolated higher 
  amounts across portions of southern and eastern Puerto Rico. 
  Elsewhere across Puerto Rico and the US Virgin Islands, the 
  potential exists for rainfall totals between 1 and 2 with isolated 
  higher amounts. As a result, there is an increasing potential for 
  urban and small stream flooding and flash flooding, which could 
  lead to mudslides as well as rapid river rises Tuesday afternoon 
  thru Wednesday evening particularly across portions of south and 
  east Puerto Rico.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

CAM/OM
8 follow-up statements
243 
WGCA62 TJSJ 092255
FFASJU

FLASH FLOOD WATCH
National Weather Service San Juan PR
655 PM AST Mon Aug 9 2021

.THERE IS AN INCREASING RISK FOR FLOODING LATE TUESDAY MORNING
THRU LATE WEDNESDAY.

PRZ001>013-VIZ001-002-101600-
/O.CON.TJSJ.FF.A.0001.210810T1500Z-210812T0000Z/
/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, Baranquitas, 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
655 PM AST Mon Aug 9 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH WEDNESDAY EVENING...

The Flash Flood Watch continues for

* Puerto Rico and the US Virgin Islands. 

* From Tuesday morning through Wednesday evening

* A disturbance located 205 miles southeast of Guadalupe will move
  west- northwestward towards the U.S. Virgin Islands and Puerto
  Rico. The most likely time period for the heaviest rainfall
  activity associated with this feature is late Tuesday morning 
  into Wednesday while the areas most likely to receive the 
  highest rainfall accumulations are portions of the southern and 
  eastern third of Puerto Rico. 

* Expect rainfall accumulations between 2 and 3 with isolated 
  higher amounts across portions of southern and eastern Puerto 
  Rico. Elsewhere across Puerto Rico and the US Virgin Islands, 
  the potential exists for rainfall totals between 1 and 2 with 
  isolated higher amounts. As a result, there is an increasing 
  potential for urban and small stream flooding and flash 
  flooding, which could lead to mudslides as well as rapid river 
  rises Tuesday afternoon thru Wednesday evening particularly 
  across portions of south and east Puerto Rico. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
288 
WGCA62 TJSJ 100330
FFASJU

FLASH FLOOD WATCH
National Weather Service San Juan PR
1130 PM AST Mon Aug 9 2021

.THERE IS AN INCREASING RISK FOR FLOODING LATE TUESDAY MORNING
THRU LATE WEDNESDAY.

PRZ001>013-VIZ001-002-101600-
/O.CON.TJSJ.FF.A.0001.210810T1500Z-210812T0000Z/
/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, Baranquitas, 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
1130 PM AST Mon Aug 9 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH WEDNESDAY EVENING...

The Flash Flood Watch continues for

* Puerto Rico and US Virgin Islands. 

* From Tuesday morning through Wednesday evening

* A disturbance over the Lesser Antilles will continue to move
  west- northwest towards the local islands. The most likely time
  period for the heaviest rainfall activity associated with this
  approaching feature is late Tuesday morning into Wednesday 
  while the areas most likely to receive the highest rainfall 
  accumulations are portions of the southern and eastern third of 
  Puerto Rico. 

* Expect rainfall accumulations between 2 and 3 with isolated 
  higher amounts across portions of southern and eastern Puerto 
  Rico. Elsewhere across Puerto Rico and the US Virgin Islands, 
  the potential exists for rainfall totals between 1 and 2 with 
  isolated higher amounts. As a result, there is an increasing 
  potential for urban and small stream flooding and flash 
  flooding, which could lead to mudslides as well as rapid river 
  rises Tuesday afternoon thru Wednesday evening particularly 
  across portions of south and east Puerto Rico. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
157 
WGCA62 TJSJ 100922
FFASJU

Flood Watch
National Weather Service San Juan PR
522 AM AST Tue Aug 10 2021

.THERE IS AN INCREASING RISK FOR FLOODING FROM LATE THIS MORNING
THROUGH LATE WEDNESDAY.

PRZ001>013-VIZ001-002-101730-
/O.CON.TJSJ.FF.A.0001.210810T1500Z-210812T0000Z/
/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 Morovis, Santa Isabel, Toa Alta, Las
Piedras, Cabo Rojo, Lajas, Trujillo Alto, Yabucoa, Arecibo,
Mayaguez, Maunabo, Anna's Retreat, San Sebastian, Aibonito,
Guayama, Corozal, Charlotte Amalie, Naguabo, Maricao, Charlotte
Amalie West, San Juan, Jayuya, Gurabo, Hormigueros, Carolina,
Aguada, Rincon, Adjuntas, Vega Alta, Vieques, Christiansted,
Lares, Loiza, Florida, Manati, Aguadilla, Cidra, Canovanas,
Sabana Grande, Orocovis, Luquillo, Isabela, Arroyo, Ponce, Moca,
Juncos, Vega Baja, Camuy, Aguas Buenas, Guanica, Culebra,
Bayamon, Guayanilla, Cruz Bay, San German, Catano, Ceiba, Ciales,
Juana Diaz, Quebradillas, Frederiksted Southeast, Yauco, Rio
Grande, Utuado, Las Marias, San Lorenzo, Humacao, Villalba,
Baranquitas, Caguas, Charlotte Amalie East, Penuelas, Coamo,
Hatillo, Naranjito, Guaynabo, Comerio, Frederiksted, Dorado,
Grove Place, Toa Baja, Barceloneta, Anasco, Cayey, Fajardo,
Patillas, and Salinas
522 AM AST Tue Aug 10 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 11 AM AST THIS MORNING 
THROUGH WEDNESDAY EVENING...

The Flash Flood Watch continues for

* Portions of Puerto Rico, including the following , 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. 
  Portions of Virgin Islands, including the following , St Croix and 
  St.Thomas...St. John...and Adjacent Islands.

* From 11 AM AST this morning through Wednesday evening.

* Potential Tropical Cyclone Six over the northeastern Caribbean 
  Seas will continue to move west-northwest towards the local 
  islands. The most likely time period for the heaviest rainfall 
  activity associated with this approaching feature is from late 
  this morning into Wednesday while the areas most likely to receive 
  the highest rainfall accumulation's are portions of the southern 
  and eastern third of Puerto Rico.

* Expect rainfall accumulations between 2 and 3 with isolated 
  higher amounts across portions of southern and eastern Puerto 
  Rico. Elsewhere across Puerto Rico and the US Virgin Islands, 
  the potential exists for rainfall totals between 1 and 2 with 
  isolated higher amounts. As a result, there is an increasing 
  potential for urban and small stream flooding and flash 
  flooding, which could lead to mudslides as well as rapid river 
  rises from this afternoon through Wednesday evening particularly 
  across portions of south and east Puerto Rico. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

DSR
005 
WGCA62 TJSJ 101559
FFASJU

Flood Watch
National Weather Service San Juan PR
1159 AM AST Tue Aug 10 2021

.The Potential Tropical Cyclone Six will increase the risk for 
flooding through Wednesday evening.

PRZ001>013-VIZ001-002-110000-
/O.CON.TJSJ.FF.A.0001.000000T0000Z-210812T0000Z/
/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 Morovis, Santa Isabel, Toa Alta, Las
Piedras, Cabo Rojo, Lajas, Trujillo Alto, Yabucoa, Arecibo,
Mayaguez, Maunabo, Anna's Retreat, San Sebastian, Aibonito,
Guayama, Corozal, Charlotte Amalie, Naguabo, Maricao, Charlotte
Amalie West, San Juan, Jayuya, Gurabo, Hormigueros, Carolina,
Aguada, Rincon, Adjuntas, Vega Alta, Vieques, Christiansted,
Lares, Loiza, Florida, Manati, Aguadilla, Cidra, Canovanas,
Sabana Grande, Orocovis, Luquillo, Isabela, Arroyo, Ponce, Moca,
Juncos, Vega Baja, Camuy, Aguas Buenas, Guanica, Culebra,
Bayamon, Guayanilla, Cruz Bay, San German, Catano, Ceiba, Ciales,
Juana Diaz, Quebradillas, Frederiksted Southeast, Yauco, Rio
Grande, Utuado, Las Marias, San Lorenzo, Humacao, Villalba,
Baranquitas, Caguas, Charlotte Amalie East, Penuelas, Coamo,
Hatillo, Naranjito, Guaynabo, Comerio, Frederiksted, Dorado,
Grove Place, Toa Baja, Barceloneta, Anasco, Cayey, Fajardo,
Patillas, and Salinas
1159 AM AST Tue Aug 10 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

The Flash Flood Watch continues for

* Portions of Puerto Rico, including the following , 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. 
  Portions of Virgin Islands, including the following , St Croix and 
  St.Thomas...St. John...and Adjacent Islands.

* Through Wednesday evening.

* Potential Tropical Cyclone Six continues moving west-northwest 
  towards the local islands. The most likely time period for the 
  heaviest rainfall activity associated with this approaching 
  feature is from this afternoon into Wednesday while the areas most 
  likely to receive the highest rainfall accumulation's are portions 
  of the southern and eastern third of Puerto Rico.

* Expect rainfall accumulations between 2 and 4 with isolated higher 
  amounts across portions of southern and eastern Puerto Rico. 
  Elsewhere across Puerto Rico and the US Virgin Islands, the 
  potential exists for rainfall totals between 1 and 2 with isolated 
  higher amounts. As a result, there is an increasing potential for 
  urban and small stream flooding and flash flooding, which could 
  lead to mudslides as well as rapid river rises from this afternoon 
  through Wednesday evening particularly across portions of south 
  and east Puerto Rico.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

CAM
016 
WGCA62 TJSJ 102139
FFASJU

Flood Watch
National Weather Service San Juan PR
539 PM AST Tue Aug 10 2021

PRZ001>013-VIZ001-002-110600-
/O.CON.TJSJ.FF.A.0001.000000T0000Z-210812T0000Z/
/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 Morovis, Santa Isabel, Toa Alta, Las
Piedras, Cabo Rojo, Lajas, Trujillo Alto, Yabucoa, Arecibo,
Mayaguez, Maunabo, Anna's Retreat, San Sebastian, Aibonito,
Guayama, Corozal, Charlotte Amalie, Naguabo, Maricao, Charlotte
Amalie West, San Juan, Jayuya, Gurabo, Hormigueros, Carolina,
Aguada, Rincon, Adjuntas, Vega Alta, Vieques, Christiansted,
Lares, Loiza, Florida, Manati, Aguadilla, Cidra, Canovanas,
Sabana Grande, Orocovis, Luquillo, Isabela, Arroyo, Ponce, Moca,
Juncos, Vega Baja, Camuy, Aguas Buenas, Guanica, Culebra,
Bayamon, Guayanilla, Cruz Bay, San German, Catano, Ceiba, Ciales,
Juana Diaz, Quebradillas, Frederiksted Southeast, Yauco, Rio
Grande, Utuado, Las Marias, San Lorenzo, Humacao, Villalba,
Baranquitas, Caguas, Charlotte Amalie East, Penuelas, Coamo,
Hatillo, Naranjito, Guaynabo, Comerio, Frederiksted, Dorado,
Grove Place, Toa Baja, Barceloneta, Anasco, Cayey, Fajardo,
Patillas, and Salinas
539 PM AST Tue Aug 10 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

The Flash Flood Watch continues for

* Portions of Puerto Rico, including the following , 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. 
  Portions of Virgin Islands, including the following , St Croix and 
  St.Thomas...St. John...and Adjacent Islands.

* Through Wednesday evening.

* Potential Tropical Cyclone Six continues moving west-northwest 
  towards the local islands. The most likely time period for the 
  heaviest rainfall activity associated with this approaching 
  feature is from this afternoon into Wednesday while the areas most 
  likely to receive the highest rainfall accumulation's are portions 
  of the southern and eastern third of Puerto Rico.

* Expect rainfall accumulations between 2 and 4 with isolated higher 
  amounts across portions of southern and eastern Puerto Rico. 
  Elsewhere across Puerto Rico and the US Virgin Islands, the 
  potential exists for rainfall totals between 1 and 2 with isolated 
  higher amounts. As a result, there is an increasing potential for 
  urban and small stream flooding and flash flooding, which could 
  lead to mudslides as well as rapid river rises from this afternoon 
  through Wednesday evening particularly across portions of south 
  and east Puerto Rico.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

ICP
898 
WGCA62 TJSJ 110351
FFASJU

Flood Watch
National Weather Service San Juan PR
1151 PM AST Tue Aug 10 2021

PRZ001>013-VIZ001-002-111600-
/O.CON.TJSJ.FF.A.0001.000000T0000Z-210812T0000Z/
/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 Morovis, Santa Isabel, Toa Alta, Las
Piedras, Cabo Rojo, Lajas, Trujillo Alto, Yabucoa, Arecibo,
Mayaguez, Maunabo, Anna's Retreat, San Sebastian, Aibonito,
Guayama, Corozal, Charlotte Amalie, Naguabo, Maricao, Charlotte
Amalie West, San Juan, Jayuya, Gurabo, Hormigueros, Carolina,
Aguada, Rincon, Adjuntas, Vega Alta, Vieques, Christiansted,
Lares, Loiza, Florida, Manati, Aguadilla, Cidra, Canovanas,
Sabana Grande, Orocovis, Luquillo, Isabela, Arroyo, Ponce, Moca,
Juncos, Vega Baja, Camuy, Aguas Buenas, Guanica, Culebra,
Bayamon, Guayanilla, Cruz Bay, San German, Catano, Ceiba, Ciales,
Juana Diaz, Quebradillas, Frederiksted Southeast, Yauco, Rio
Grande, Utuado, Las Marias, San Lorenzo, Humacao, Villalba,
Baranquitas, Caguas, Charlotte Amalie East, Penuelas, Coamo,
Hatillo, Naranjito, Guaynabo, Comerio, Frederiksted, Dorado,
Grove Place, Toa Baja, Barceloneta, Anasco, Cayey, Fajardo,
Patillas, and Salinas
1151 PM AST Tue Aug 10 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

The Flash Flood Watch continues for

* Portions of Puerto Rico, including the following , 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. 
  Portions of Virgin Islands, including the following , St Croix and 
  St.Thomas...St. John...and Adjacent Islands.

* Through Wednesday evening.

* Unsettled weather conditions will continue to persist as Tropical 
  Storm Fred continues to move south of Puerto Rico. Continue to 
  expect 2 to 4 inches total with isolated higher amounts across 
  portions of southern and eastern Puerto Rico. Elsewhere across 
  Puerto Rico and the US Virgin Islands, the potential exists for 
  rainfall totals between 1 and 2 with isolated higher amounts.

* Therefore, the potential for urban and small stream flooding and 
  flash flooding, which could lead to mudslides as well as rapid 
  river continues through Wednesday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
807 
WGCA62 TJSJ 110934
FFASJU

FLASH FLOOD WATCH
National Weather Service San Juan PR
534 AM AST Wed Aug 11 2021

PRZ001>013-VIZ001-002-112200-
/O.CON.TJSJ.FF.A.0001.000000T0000Z-210812T0000Z/
/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, Baranquitas, 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
534 AM AST Wed Aug 11 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch continues for

* Puerto Rico and the U.S. Virgin Islands.

* Through this evening

* Unsettled weather conditions will continue to persist as
  Tropical Storm Fred continues to move west and away of the
  region. Continue to expect 2 to 4 inches total with isolated 
  higher amounts across portions of southern and eastern Puerto 
  Rico. Elsewhere across Puerto Rico and the US Virgin Islands, 
  the potential exists for rainfall totals between 1 and 2 with 
  isolated higher amounts. 

* Therefore, the potential for urban and small stream flooding and
  flash flooding, which could lead to mudslides as well as rapid
  river continues through this evening. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
345 
WGCA62 TJSJ 111215
FFASJU

Flood Watch
National Weather Service San Juan PR
815 AM AST Wed Aug 11 2021

PRZ001>013-VIZ001-002-111315-
/O.CAN.TJSJ.FF.A.0001.000000T0000Z-210812T0000Z/
/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 Morovis, Santa Isabel, Toa Alta, Las
Piedras, Cabo Rojo, Lajas, Trujillo Alto, Yabucoa, Arecibo,
Mayaguez, Maunabo, Anna's Retreat, San Sebastian, Aibonito,
Guayama, Corozal, Charlotte Amalie, Naguabo, Maricao, Charlotte
Amalie West, San Juan, Jayuya, Gurabo, Hormigueros, Carolina,
Aguada, Rincon, Adjuntas, Vega Alta, Vieques, Christiansted,
Lares, Loiza, Florida, Manati, Aguadilla, Cidra, Canovanas,
Sabana Grande, Orocovis, Luquillo, Isabela, Arroyo, Ponce, Moca,
Juncos, Vega Baja, Camuy, Aguas Buenas, Guanica, Culebra,
Bayamon, Guayanilla, Cruz Bay, San German, Catano, Ceiba, Ciales,
Juana Diaz, Quebradillas, Frederiksted Southeast, Yauco, Rio
Grande, Utuado, Las Marias, San Lorenzo, Humacao, Villalba,
Baranquitas, Caguas, Charlotte Amalie East, Penuelas, Coamo,
Hatillo, Naranjito, Guaynabo, Comerio, Frederiksted, Dorado,
Grove Place, Toa Baja, Barceloneta, Anasco, Cayey, Fajardo,
Patillas, and Salinas
815 AM AST Wed Aug 11 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for Puerto Rico and the U.S. Virgin Islands 
has been cancelled.

The Flood Watch is cancelled. However, localized flash flooding 
cannot be ruled out, especially across east-southeast Puerto Rico.

$$

ERG

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 2:33 AM CDTSmall Craft AdvisoryJSJ15 hr
Aug 9, 2:10 PM CDTAreal Flood AdvisoryJSJ109 min
Aug 9, 5:19 PM CDTTropical Storm WatchJSJ5 hr
Aug 9, 6:03 PM CDTRip Current StatementJSJ47 hr

Nearby

Flash Flood Watches in Puerto Rico, 2021Flash Flood Watches in U.S. Virgin Islands, 2021Every flash flood watch in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.