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13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.

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2017 [TJSJ] SAN_JUAN Flash Flood (FF) Warning (W) Number 109

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

560 
WGCA52 TJSJ 211200
FFWSJU
PRC001-013-017-019-039-043-047-054-065-073-075-081-091-101-107-111-
113-133-141-143-145-149-211600-
/O.NEW.TJSJ.FF.W.0109.170921T1200Z-170921T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
800 AM AST THU SEP 21 2017

...FLASH FLOOD EMERGENCY FOR CENTRAL PUERTO RICO...

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Southeastern Lares Municipality in Puerto Rico...
  Florida Municipality in Puerto Rico...
  Northwestern Coamo Municipality in Puerto Rico...
  Ponce Municipality in Puerto Rico...
  Morovis Municipality in Puerto Rico...
  Western Vega Alta Municipality in Puerto Rico...
  Arecibo Municipality in Puerto Rico...
  Orocovis Municipality in Puerto Rico...
  Adjuntas Municipality in Puerto Rico...
  Villalba Municipality in Puerto Rico...
  Western Vega Baja Municipality in Puerto Rico...
  Barceloneta Municipality in Puerto Rico...
  Northwestern Barranquitas Municipality in Puerto Rico...
  Jayuya Municipality in Puerto Rico...
  Ciales Municipality in Puerto Rico...
  Northeastern Hatillo Municipality in Puerto Rico...
  Southwestern Corozal Municipality in Puerto Rico...
  Utuado Municipality in Puerto Rico...
  Juana Diaz Municipality in Puerto Rico...
  Northwestern Santa Isabel Municipality in Puerto Rico...
  Manati Municipality in Puerto Rico...
  Eastern Penuelas Municipality in Puerto Rico...

* Until noon AST

* At 758 AM AST, satellite estimates indicated heavy rain across the
  warned area. Flash flooding is already occurring.

  This is a FLASH FLOOD EMERGENCY for Central Puerto Rico. This is a 
  PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW! 

* Some locations that will experience flooding include...
  Ponce, Arecibo, Jayuya, Adjuntas, Villalba, Ciales, Morovis,
  Florida, Manati, Utuado, Barceloneta, Orocovis, Juana Diaz,
  Pajonal, Coto Laurel, La Alianza, Barahona, Franquez, Guayabal and
  Potala Pastillo.

Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.

Additional rainfall amounts of 2 to 6 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route to higher ground.

&&

LAT...LON 1851 6643 1838 6645 1836 6637 1833 6637
      1824 6633 1817 6638 1817 6643 1802 6642
      1796 6647 1795 6660 1797 6671 1799 6669
      1809 6668 1813 6670 1819 6684 1832 6681
      1832 6677 1849 6678 1849 6671

$$

RAG
659 
WGCA72 TJSJ 211453
FFSSJU

Flash Flood Statement
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
1053 AM AST THU SEP 21 2017

PRC001-013-017-019-039-043-047-054-065-073-075-081-091-101-107-111-
113-133-141-143-145-149-211600-
/O.CON.TJSJ.FF.W.0109.000000T0000Z-170921T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lares PR-Florida PR-Coamo PR-Ponce PR-Morovis PR-Vega Alta PR-
Arecibo PR-Orocovis PR-Adjuntas PR-Villalba PR-Vega Baja PR-
Barceloneta PR-Barranquitas PR-Jayuya PR-Ciales PR-Hatillo PR-
Corozal PR-Utuado PR-Juana Diaz PR-Santa Isabel PR-Manati PR-
Penuelas PR-
1053 AM AST THU SEP 21 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON AST FOR
SOUTHEASTERN LARES...FLORIDA...NORTHWESTERN COAMO...PONCE...
MOROVIS...WESTERN VEGA ALTA...ARECIBO...OROCOVIS...ADJUNTAS...
VILLALBA...WESTERN VEGA BAJA...BARCELONETA...NORTHWESTERN
BARRANQUITAS...JAYUYA...CIALES...NORTHEASTERN HATILLO...SOUTHWESTERN
COROZAL...UTUADO...JUANA DIAZ...NORTHWESTERN SANTA ISABEL...MANATI
AND EASTERN PENUELAS MUNICIPALITIES...

At 1053 AM AST, satellite estimates indicated heavy rain over the
warned area. Flash flooding is already occurring.

Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.

Some locations that will experience flooding include...
Ponce, Arecibo, Jayuya, Adjuntas, Villalba, Ciales, Morovis, Florida,
Manati, Utuado, Barceloneta, Orocovis, Juana Diaz, Pajonal, Coto
Laurel, La Alianza, Barahona, Franquez, Guayabal and Potala Pastillo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 1851 6643 1838 6645 1836 6637 1833 6637
      1824 6633 1817 6638 1817 6643 1802 6642
      1796 6647 1795 6660 1797 6671 1799 6669
      1809 6668 1813 6670 1819 6684 1832 6681
      1832 6677 1849 6678 1849 6671

$$

RAG
346 
WGCA52 TJSJ 211550
FFWSJU
PRC001-013-017-019-039-043-047-054-065-073-075-081-091-101-107-111-
113-133-141-143-145-149-211900-
/O.EXT.TJSJ.FF.W.0109.000000T0000Z-170921T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
1150 AM AST THU SEP 21 2017

The National Weather Service in San Juan has extended the

* Flash Flood Warning for...
  Southeastern Lares Municipality in Puerto Rico...
  Florida Municipality in Puerto Rico...
  Northwestern Coamo Municipality in Puerto Rico...
  Ponce Municipality in Puerto Rico...
  Morovis Municipality in Puerto Rico...
  Western Vega Alta Municipality in Puerto Rico...
  Arecibo Municipality in Puerto Rico...
  Orocovis Municipality in Puerto Rico...
  Adjuntas Municipality in Puerto Rico...
  Villalba Municipality in Puerto Rico...
  Western Vega Baja Municipality in Puerto Rico...
  Barceloneta Municipality in Puerto Rico...
  Northwestern Barranquitas Municipality in Puerto Rico...
  Jayuya Municipality in Puerto Rico...
  Ciales Municipality in Puerto Rico...
  Northeastern Hatillo Municipality in Puerto Rico...
  Southwestern Corozal Municipality in Puerto Rico...
  Utuado Municipality in Puerto Rico...
  Juana Diaz Municipality in Puerto Rico...
  Northwestern Santa Isabel Municipality in Puerto Rico...
  Manati Municipality in Puerto Rico...
  Eastern Penuelas Municipality in Puerto Rico...

* Until 300 PM AST

* At 1149 AM AST, satellite estimates indicated additional heavy 
  rain is about to spread across the warned area. Flash flooding is 
  already occurring.

* Some locations that will experience flooding include...
  Ponce, Arecibo, Jayuya, Adjuntas, Villalba, Ciales, Morovis,
  Florida, Manati, Utuado, Barceloneta, Orocovis, Juana Diaz,
  Pajonal, Coto Laurel, La Alianza, Barahona, Franquez, Guayabal and
  Potala Pastillo.

Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 1851 6643 1838 6645 1836 6637 1833 6637
      1824 6633 1817 6638 1817 6643 1802 6642
      1796 6647 1795 6660 1797 6671 1799 6669
      1809 6668 1813 6670 1819 6684 1832 6681
      1832 6677 1849 6678 1849 6671

$$

RAG
Permalink to 201709211200-TJSJ-WGCA52-FFWSJU
560 
WGCA52 TJSJ 211200
FFWSJU
PRC001-013-017-019-039-043-047-054-065-073-075-081-091-101-107-111-
113-133-141-143-145-149-211600-
/O.NEW.TJSJ.FF.W.0109.170921T1200Z-170921T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
800 AM AST THU SEP 21 2017

...FLASH FLOOD EMERGENCY FOR CENTRAL PUERTO RICO...

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Southeastern Lares Municipality in Puerto Rico...
  Florida Municipality in Puerto Rico...
  Northwestern Coamo Municipality in Puerto Rico...
  Ponce Municipality in Puerto Rico...
  Morovis Municipality in Puerto Rico...
  Western Vega Alta Municipality in Puerto Rico...
  Arecibo Municipality in Puerto Rico...
  Orocovis Municipality in Puerto Rico...
  Adjuntas Municipality in Puerto Rico...
  Villalba Municipality in Puerto Rico...
  Western Vega Baja Municipality in Puerto Rico...
  Barceloneta Municipality in Puerto Rico...
  Northwestern Barranquitas Municipality in Puerto Rico...
  Jayuya Municipality in Puerto Rico...
  Ciales Municipality in Puerto Rico...
  Northeastern Hatillo Municipality in Puerto Rico...
  Southwestern Corozal Municipality in Puerto Rico...
  Utuado Municipality in Puerto Rico...
  Juana Diaz Municipality in Puerto Rico...
  Northwestern Santa Isabel Municipality in Puerto Rico...
  Manati Municipality in Puerto Rico...
  Eastern Penuelas Municipality in Puerto Rico...

* Until noon AST

* At 758 AM AST, satellite estimates indicated heavy rain across the
  warned area. Flash flooding is already occurring.

  This is a FLASH FLOOD EMERGENCY for Central Puerto Rico. This is a 
  PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW! 

* Some locations that will experience flooding include...
  Ponce, Arecibo, Jayuya, Adjuntas, Villalba, Ciales, Morovis,
  Florida, Manati, Utuado, Barceloneta, Orocovis, Juana Diaz,
  Pajonal, Coto Laurel, La Alianza, Barahona, Franquez, Guayabal and
  Potala Pastillo.

Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.

Additional rainfall amounts of 2 to 6 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route to higher ground.

&&

LAT...LON 1851 6643 1838 6645 1836 6637 1833 6637
      1824 6633 1817 6638 1817 6643 1802 6642
      1796 6647 1795 6660 1797 6671 1799 6669
      1809 6668 1813 6670 1819 6684 1832 6681
      1832 6677 1849 6678 1849 6671

$$

RAG
Permalink to 201709211453-TJSJ-WGCA72-FFSSJU
659 
WGCA72 TJSJ 211453
FFSSJU

Flash Flood Statement
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
1053 AM AST THU SEP 21 2017

PRC001-013-017-019-039-043-047-054-065-073-075-081-091-101-107-111-
113-133-141-143-145-149-211600-
/O.CON.TJSJ.FF.W.0109.000000T0000Z-170921T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lares PR-Florida PR-Coamo PR-Ponce PR-Morovis PR-Vega Alta PR-
Arecibo PR-Orocovis PR-Adjuntas PR-Villalba PR-Vega Baja PR-
Barceloneta PR-Barranquitas PR-Jayuya PR-Ciales PR-Hatillo PR-
Corozal PR-Utuado PR-Juana Diaz PR-Santa Isabel PR-Manati PR-
Penuelas PR-
1053 AM AST THU SEP 21 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON AST FOR
SOUTHEASTERN LARES...FLORIDA...NORTHWESTERN COAMO...PONCE...
MOROVIS...WESTERN VEGA ALTA...ARECIBO...OROCOVIS...ADJUNTAS...
VILLALBA...WESTERN VEGA BAJA...BARCELONETA...NORTHWESTERN
BARRANQUITAS...JAYUYA...CIALES...NORTHEASTERN HATILLO...SOUTHWESTERN
COROZAL...UTUADO...JUANA DIAZ...NORTHWESTERN SANTA ISABEL...MANATI
AND EASTERN PENUELAS MUNICIPALITIES...

At 1053 AM AST, satellite estimates indicated heavy rain over the
warned area. Flash flooding is already occurring.

Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.

Some locations that will experience flooding include...
Ponce, Arecibo, Jayuya, Adjuntas, Villalba, Ciales, Morovis, Florida,
Manati, Utuado, Barceloneta, Orocovis, Juana Diaz, Pajonal, Coto
Laurel, La Alianza, Barahona, Franquez, Guayabal and Potala Pastillo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 1851 6643 1838 6645 1836 6637 1833 6637
      1824 6633 1817 6638 1817 6643 1802 6642
      1796 6647 1795 6660 1797 6671 1799 6669
      1809 6668 1813 6670 1819 6684 1832 6681
      1832 6677 1849 6678 1849 6671

$$

RAG
Permalink to 201709211550-TJSJ-WGCA52-FFWSJU
346 
WGCA52 TJSJ 211550
FFWSJU
PRC001-013-017-019-039-043-047-054-065-073-075-081-091-101-107-111-
113-133-141-143-145-149-211900-
/O.EXT.TJSJ.FF.W.0109.000000T0000Z-170921T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
1150 AM AST THU SEP 21 2017

The National Weather Service in San Juan has extended the

* Flash Flood Warning for...
  Southeastern Lares Municipality in Puerto Rico...
  Florida Municipality in Puerto Rico...
  Northwestern Coamo Municipality in Puerto Rico...
  Ponce Municipality in Puerto Rico...
  Morovis Municipality in Puerto Rico...
  Western Vega Alta Municipality in Puerto Rico...
  Arecibo Municipality in Puerto Rico...
  Orocovis Municipality in Puerto Rico...
  Adjuntas Municipality in Puerto Rico...
  Villalba Municipality in Puerto Rico...
  Western Vega Baja Municipality in Puerto Rico...
  Barceloneta Municipality in Puerto Rico...
  Northwestern Barranquitas Municipality in Puerto Rico...
  Jayuya Municipality in Puerto Rico...
  Ciales Municipality in Puerto Rico...
  Northeastern Hatillo Municipality in Puerto Rico...
  Southwestern Corozal Municipality in Puerto Rico...
  Utuado Municipality in Puerto Rico...
  Juana Diaz Municipality in Puerto Rico...
  Northwestern Santa Isabel Municipality in Puerto Rico...
  Manati Municipality in Puerto Rico...
  Eastern Penuelas Municipality in Puerto Rico...

* Until 300 PM AST

* At 1149 AM AST, satellite estimates indicated additional heavy 
  rain is about to spread across the warned area. Flash flooding is 
  already occurring.

* Some locations that will experience flooding include...
  Ponce, Arecibo, Jayuya, Adjuntas, Villalba, Ciales, Morovis,
  Florida, Manati, Utuado, Barceloneta, Orocovis, Juana Diaz,
  Pajonal, Coto Laurel, La Alianza, Barahona, Franquez, Guayabal and
  Potala Pastillo.

Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 1851 6643 1838 6645 1836 6637 1833 6637
      1824 6633 1817 6638 1817 6643 1802 6642
      1796 6647 1795 6660 1797 6671 1799 6669
      1809 6668 1813 6670 1819 6684 1832 6681
      1832 6677 1849 6678 1849 6671

$$

RAG

All Storm Reports within Event Political Coverage

Storm Reports within Product Polygon

This table lists other events issued by the selected office for the selected year. Click on the row to select that event.