Alert archive / Puerto Rico / Flash Flood Warnings in 2017

Flash Flood Warning 176, NWS JSJ

November 11, 2017

NWS JSJ issued this flash flood warning at Nov 11, 2017, 12:16 PM CST. 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: Nov 11, 2017, 12:16 PM CST (18:16 UTC)
Expired: Nov 14, 2017, 12:15 PM CST
In force: 72 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: Major

The text

As transmitted.

957 
WGCA52 TJSJ 111816
FFWSJU
PRC071-115-121815-
/O.NEW.TJSJ.FF.W.0176.171111T1816Z-171112T1815Z/
/00000.3.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
216 PM AST SAT NOV 11 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 215 PM AST Sunday

* At 212 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. 

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

$$

23

2 follow-up statements

207 
WGCA52 TJSJ 121804
FFWSJU
PRC071-115-131815-
/O.EXT.TJSJ.FF.W.0176.000000T0000Z-171113T1815Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
204 PM AST SUN NOV 12 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 215 PM AST Monday

* At 202 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. 

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

$$

23

583 
WGCA52 TJSJ 131803
FFWSJU
PRC071-115-141815-
/O.EXT.TJSJ.FF.W.0176.000000T0000Z-171114T1815Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
203 PM AST MON NOV 13 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 215 PM AST Tuesday

* At 158 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. 

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

$$

23

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 11, 1:17 PM CST	Areal Flood Advisory	JSJ		58 min

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.