Alert archive / Puerto Rico / Flash Flood Warnings in 2016

Flash Flood Warning 6, NWS JSJ

April 27, 2016

NWS JSJ issued this flash flood warning at Apr 27, 2016, 3:26 PM CDT. It was in force for 4 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: Apr 27, 2016, 3:26 PM CDT (20:26 UTC)
Expired: Apr 27, 2016, 7:30 PM CDT
In force: 4 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 44 km from the middle of the area, began a volume at 20:26 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
Apr 27, 4:00 PM CDT	FLASH FLOOD	Luquillo, PR	EMERGENCY MANAGERS REPORTED THAT TWO PERSONS WERE SWEPT AWAY BY FLOOD WATERS OF MAMEYES RIVER IN SECTOR PUENTE ROTO IN LUQUILLO.

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

The text

As transmitted.

678 
WGCA52 TJSJ 272026
FFWSJU
PRC089-119-272230-
/O.NEW.TJSJ.FF.W.0006.160427T2026Z-160427T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
426 PM AST WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LUQUILLO MUNICIPALITY IN PUERTO RICO...
  RIO GRANDE MUNICIPALITY IN PUERTO RICO...

* UNTIL 630 PM AST
    
* AT 424 PM AST...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA...ESPECIALLY IN SECTOR PUENTE
  ROTO AND ALONG THE MAMEYES RIVER. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LUQUILLO...HATO CANDAL...PLAYA FORTUNA AND PALMER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 1840 6577 1839 6575 1838 6575 1838 6574
      1839 6572 1838 6571 1830 6573 1830 6575
      1828 6577 1830 6580 1841 6579 1841 6577

$$

DS

2 follow-up statements

823 
WGCA52 TJSJ 272225
FFWSJU
PRC089-119-280030-
/O.EXT.TJSJ.FF.W.0006.000000T0000Z-160428T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
625 PM AST WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  LUQUILLO MUNICIPALITY IN PUERTO RICO...
  RIO GRANDE MUNICIPALITY IN PUERTO RICO...

* UNTIL 830 PM AST

* AT 624 PM AST...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING
  ACROSS THE WARNED AREA...ESPECIALLY ALONG THE MAMEYES RIVER. FLASH
  FLOODING IS ALREADY OCCURRING. EXCESSIVE RAINFALL OVER THE WARNED
  AREA WILL CAUSE MUD SLIDES NEAR STEEP TERRAIN.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LUQUILLO...HATO CANDAL...PLAYA FORTUNA AND PALMER. 

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.

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

&&

LAT...LON 1840 6577 1839 6575 1838 6575 1838 6574
      1839 6572 1838 6571 1830 6573 1830 6575
      1828 6577 1830 6580 1841 6579 1841 6577

$$

DS

029 
WGCA72 TJSJ 280021
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
821 PM AST WED APR 27 2016

PRC089-119-280030-
/O.EXP.TJSJ.FF.W.0006.000000T0000Z-160428T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LUQUILLO PR-RIO GRANDE PR-
821 PM AST WED APR 27 2016

...THE FLASH FLOOD WARNING FOR LUQUILLO AND RIO GRANDE MUNICIPALITIES
WILL EXPIRE AT 830 PM 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.

LAT...LON 1840 6577 1839 6575 1838 6575 1838 6574
      1839 6572 1838 6571 1830 6573 1830 6575
      1828 6577 1830 6580 1841 6579 1841 6577

$$

DS

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
Apr 27, 2:35 AM CDT	Rip Current Statement	JSJ	38 hr
Apr 27, 1:51 PM CDT	Areal Flood Advisory	JSJ	3 hr
Apr 27, 2:37 PM CDT	Areal Flood Advisory	JSJ	7 hr
Apr 27, 3:55 PM CDT	Areal Flood Advisory	JSJ	2 hr
Apr 27, 4:09 PM CDT	Areal Flood Advisory	JSJ	2 hr
Apr 27, 4:53 PM CDT	Areal Flood Advisory	JSJ	3 hr
Apr 27, 5:19 PM CDT	Flash Flood Warning	JSJ	2 hr
Apr 27, 6:16 PM CDT	Areal Flood Advisory	JSJ	3 hr
Apr 27, 6:16 PM CDT	Areal Flood Advisory	JSJ	3 hr

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.