Alert archive / Puerto Rico / Flash Flood Warnings in 2017

Flash Flood Warning 173, NWS JSJ

October 31, 2017

NWS JSJ issued this flash flood warning at Oct 31, 2017, 11:52 AM CDT. It was in force for 72 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 31, 2017, 11:52 AM CDT (16:52 UTC)
Expired: Nov 3, 2017, 11:45 AM CDT
In force: 72 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: Unknown

The text

As transmitted.

957 
WGCA52 TJSJ 311652
FFWSJU
PRC071-115-011645-
/O.NEW.TJSJ.FF.W.0173.171031T1652Z-171101T1645Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
1252 PM AST TUE OCT 31 2017

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  A Dam Failure in...
  Isabela Municipality in Puerto Rico...
  Quebradillas Municipality in Puerto Rico...

* Until 1245 PM AST Wednesday

* At 1251 PM AST, The Guajataca Dam remains in a compromised state. 
  Residences and buildings down stream of this dam remain under a 
  flooding threat should the dam fail. This situation is expected to 
  continue for the next several days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Community that have been ordered to evacuate over the past days 
along the Rio Guajataca and continue to be advised to not return. 
They are advised to comply with those order and not become 
complacent lured by a false sense of security. Should a complete 
failure occur this message would be followed by a Flash Flood 
Emergency. 

LAT...LON 1849 6694 1845 6695 1843 6693 1841 6693
      1840 6692 1839 6692 1839 6694 1841 6696
      1842 6695 1844 6697 1846 6698 1849 6697

$$

TW

2 follow-up statements

106 
WGCA52 TJSJ 011448
FFWSJU
PRC071-115-021645-
/O.EXT.TJSJ.FF.W.0173.000000T0000Z-171102T1645Z/
/00000.3.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
1048 AM AST WED NOV 1 2017


The National Weather Service in San Juan has extended the

* Flash Flood Warning for...
  A Dam Failure in...
  Isabela Municipality in Puerto Rico...
  Quebradillas Municipality in Puerto Rico...

* Until 1245 PM AST Thursday

* At 1044 AM AST, The Guajataca Dam remains in a compromised state. 
  Residences and buildings down stream of this dam remain under a 
  flooding threat should the dam fail. This situation is expected to 
  continue for the next several days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Community that have been ordered to evacuate over the past days 
along the Rio Guajataca and continue to be advised to not return. 
They are advised to comply with those order and not become 
complacent lured by a false sense of security. Should a complete 
failure occur this message would be followed by a Flash Flood 
Emergency. 

LAT...LON 1849 6694 1845 6695 1843 6693 1841 6693
      1840 6692 1839 6692 1839 6694 1841 6696
      1842 6695 1844 6697 1846 6698 1849 6697

$$

TW

463 
WGCA52 TJSJ 021504
FFWSJU
PRC071-115-031645-
/O.EXT.TJSJ.FF.W.0173.000000T0000Z-171103T1645Z/
/00000.3.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
1104 AM AST THU NOV 2 2017


The National Weather Service in San Juan has extended the

* Flash Flood Warning for...
  A Dam Failure in...
  Isabela Municipality in Puerto Rico...
  Quebradillas Municipality in Puerto Rico...

* Until 1245 PM AST Friday

* At 1102 AM AST, The Guajataca Dam remains in a compromised state. 
  Residences and buildings down stream of this dam remain under a 
  flooding threat should the dam fail. This situation is expected to 
  continue for the next several days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Community that have been ordered to evacuate over the past days 
along the Rio Guajataca and continue to be advised to not return. 
They are advised to comply with those order and not become 
complacent lured by a false sense of security. Should a complete 
failure occur this message would be followed by a Flash Flood 
Emergency. 

LAT...LON 1849 6694 1845 6695 1843 6693 1841 6693
      1840 6692 1839 6692 1839 6694 1841 6696
      1842 6695 1844 6697 1846 6698 1849 6697

$$

TW

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Oct 31, 1:28 PM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 31, 1:52 PM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 31, 2:41 PM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 31, 3:28 PM CDT	Areal Flood Advisory	JSJ	2 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2017 Every flash flood warning in 2017

Sources

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