Alert archive / Puerto Rico / Flash Flood Warnings in 2016

Flash Flood Warning 35, NWS JSJ

November 18, 2016

NWS JSJ issued this flash flood warning at Nov 18, 2016, 1:59 AM CST. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Nov 18, 2016, 1:59 AM CST (07:59 UTC)
Expired: Nov 18, 2016, 8:00 AM CST
In force: 6 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 24 km from the middle of the area, began a volume at 08:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Nov 18, 4:51 AM CST	FLOOD	Yabucoa, PR	HIGHWAY 906 CLOSED DUE TO FLOODING ON THE GUAYANES RIVER

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The text

As transmitted.

337 
WGCA52 TJSJ 180759
FFWSJU
PRC095-151-181100-
/O.NEW.TJSJ.FF.W.0035.161118T0759Z-161118T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
359 AM AST FRI NOV 18 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  YABUCOA MUNICIPALITY IN PUERTO RICO...
  MAUNABO MUNICIPALITY IN PUERTO RICO...

* UNTIL 700 AM AST
    
* AT 355 AM AST...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA AND ADDITIONAL SHOWERS AND
  THUNDERSTORMS WILL MOVE SHORTLY OVER MAUNABO AND YABUCOA. FLASH
  FLOODING IS EXPECTED TO BEGIN SHORTLY. LOCAL LAW ENFORCEMENT
  REPORTED THAT ROADS 3 AND 901 ARE CURRENTLY FLOODED. FLOOD WATERS
  ARE MOVING DOWN FROM RIO GUAYANES AND ITS TRIBUTARIES AND ACROSS
  CENTRAL ROIG IN YABUCOA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 1804 6596 1811 6589 1806 6581 1806 6583
      1802 6583 1801 6584 1801 6585 1800 6586
      1801 6587 1799 6589 1799 6590

$$

DS

2 follow-up statements

062 
WGCA52 TJSJ 181048
FFWSJU
PRC095-151-181400-
/O.EXT.TJSJ.FF.W.0035.000000T0000Z-161118T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
648 AM AST FRI NOV 18 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  YABUCOA MUNICIPALITY IN PUERTO RICO...
  MAUNABO MUNICIPALITY IN PUERTO RICO...

* UNTIL 1000 AM AST
    
* AT 643 AM AST...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
  CONTINUE AFFECTING THE WARNED AREA. IN ADDITION, FLOOD WATERS ARE
  MOVING DOWN FROM RIO GUAYANES AND ITS TRIBUTARIES AND ACROSS
  CENTRAL ROIG IN YABUCOA. THEREFORE, THE FLASH FLOOD WARNING HAS
  BEEN EXTENDED UNTIL 10 AM AST. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 1804 6596 1811 6589 1806 6581 1806 6583
      1802 6583 1801 6584 1801 6585 1800 6586
      1801 6587 1799 6589 1799 6590

$$
FC

508 
WGCA72 TJSJ 181354
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
954 AM AST FRI NOV 18 2016

PRC095-151-181402-
/O.EXP.TJSJ.FF.W.0035.000000T0000Z-161118T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YABUCOA PR-MAUNABO PR-
954 AM AST FRI NOV 18 2016

...THE FLASH FLOOD WARNING FOR YABUCOA AND MAUNABO MUNICIPALITIES
WILL EXPIRE AT 1000 AM AST...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES. HOWEVER, LIGHT TO MODERATE RAIN STILL OCURRING ACROSS
THESE MUNICIPALITIES. NEW AREAS OF SHOWERS AND THUNDERSTORMS COULD
AFFECT THESE AREAS LATER TODAY. PEOPLE ALONG RIO GUAYANES SHOULD
CONTINUE TO EXERCISE CAUTION. 

LAT...LON 1804 6596 1811 6589 1806 6581 1806 6583
      1802 6583 1801 6584 1801 6585 1800 6586
      1801 6587 1799 6589 1799 6590

$$

FC

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Nov 17, 7:51 PM CST	Areal Flood Advisory	JSJ	114 min
Nov 17, 8:35 PM CST	Areal Flood Advisory	JSJ	3 hr
Nov 17, 9:45 PM CST	Areal Flood Advisory	JSJ	8 hr
Nov 17, 11:35 PM CST	Areal Flood Advisory	JSJ	9 hr
Nov 18, 5:59 AM CST	Areal Flood Advisory	JSJ	2 hr
Nov 18, 6:15 AM CST	Flash Flood Watch	JSJ	3 days
Nov 18, 1:28 PM CST	Special Weather Statement	JSJ	92 min
Nov 18, 1:41 PM CST	Special Marine Warning	JSJ	79 min
Nov 18, 4:34 PM CST	Special Marine Warning	JSJ	86 min

Nearby

Flash Flood Warnings in Puerto Rico, 2016 Every flash flood warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; radar from the NEXRAD Level II archive.