Alert archive / Puerto Rico / Flash Flood Warnings in 2015

Flash Flood Warning 7, NWS JSJ

October 24, 2015

NWS JSJ issued this flash flood warning at Oct 24, 2015, 2:36 PM CDT. It was in force for 6 hr. 8 reports 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: Oct 24, 2015, 2:36 PM CDT (19:36 UTC)
Expired: Oct 24, 2015, 8:30 PM CDT
In force: 6 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 9 km from the middle of the area, began a volume at 19:39 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
Oct 24, 3:25 PM CDT	FLASH FLOOD	Caguas, PR	BAIROA AVENUE NEAR BAIROA SHOPPING CENTER WAS REPORTED FLOODED AN IMPASSABLE.
Oct 24, 3:25 PM CDT	FLASH FLOOD	Caguas, PR	HIGHWAT PR-52 BETWEEN CAGUAS AND CAYEY MUNICIPALITIES AT THE EXIT TO AGUAS BUENAS WAS REPORTED FLOODED.
Oct 24, 3:25 PM CDT	FLASH FLOOD	Caguas, PR	PR-156 AT URB.PARQUE DEL MONTE WAS REPORTED FLOODED.
Oct 24, 3:25 PM CDT	FLASH FLOOD	Caguas, PR	PR-795 AT BARRIO LA MESA WAS REPORTED FLOODED.
Oct 24, 3:25 PM CDT	FLASH FLOOD	Caguas, PR	URBANIZATION VILLA BLANCA,GARRIDO AND OPALO ROADS WERE REPORTED FLOODED.
Oct 24, 3:25 PM CDT	FLASH FLOOD	Caguas, PR	VALLE TOLIMA URB. MIRIAM VAZQUEZ ROAD WAS REPORTED FLOODED.
Oct 24, 3:25 PM CDT	FLASH FLOOD	Caguas, PR	ALL LANES OF PR-1 FROM CAGUAS TO AGUAS BUENAS WERE REPORTED FLOODED.
Oct 24, 3:25 PM CDT	FLASH FLOOD	San Lorenzo, PR	URBANIZATION MAZO STREET 49 WAS REPORTED FLOODED.

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

The text

As transmitted, in the capitals the NWS used until 2016.

774 
WGCA52 TJSJ 241936
FFWSJU
PRC007-025-035-041-063-077-129-242230-
/O.NEW.TJSJ.FF.W.0007.151024T1936Z-151024T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
336 PM AST SAT OCT 24 2015

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SAN LORENZO MUNICIPALITY IN PUERTO RICO...
  CAGUAS MUNICIPALITY IN PUERTO RICO...
  AGUAS BUENAS MUNICIPALITY IN PUERTO RICO...
  JUNCOS MUNICIPALITY IN PUERTO RICO...
  GURABO MUNICIPALITY IN PUERTO RICO...
  CIDRA MUNICIPALITY IN PUERTO RICO...
  CAYEY MUNICIPALITY IN PUERTO RICO...

* UNTIL 630 PM AST
    
* AT 333 PM AST...DOPPLER RADAR INDICATED PERSISTENT HEAVY RAINFALL 
  AND FREQUENT LIGHTNING ACROSS THE WARNED AREA IN THE LAST HOUR. UP 
  TO TWO INCHES OF RAIN HAVE ALREADY FALLEN IN MOST OF THE AREA AND 
  CONTINUED TO RAIN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. 
  MUDSLIDE IN AREAS OF STEEP TERRAIN IS LIKELY WITH THIS TORRENTIAL 
  RAINFALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

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

&&

LAT...LON 1825 6588 1825 6585 1814 6593 1814 6592
      1809 6594 1811 6609 1809 6612 1810 6613
      1808 6613 1808 6621 1820 6619 1822 6617
      1827 6618 1828 6611 1831 6603 1831 6597

$$

ER/FC/DS

3 follow-up statements

402 
WGCA72 TJSJ 242036
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
436 PM AST SAT OCT 24 2015

PRC007-025-035-041-063-077-129-242230-
/O.CON.TJSJ.FF.W.0007.000000T0000Z-151024T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN LORENZO PR-CAGUAS PR-AGUAS BUENAS PR-JUNCOS PR-GURABO PR-
CIDRA PR-CAYEY PR-
436 PM AST SAT OCT 24 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM AST FOR SAN
LORENZO...CAGUAS...AGUAS BUENAS...JUNCOS...GURABO...CIDRA AND CAYEY
MUNICIPALITIES...

AT 432 PM AST...TORRENTIAL RAINFALL CONTINUES OVER THESE 
MUNICIPALITES. SEVERAL REPORTS OF FLOODING HAVE BEEN REPORTED BY 
EMERGENCY MANAGERS AND WEATHER SPOTTERS. IN ADDITION...USGS RIVER 
SENSORS INDICATED RIO CAGUITAS IN CAGUAS WAS OVER FLOOD STAGE. FLASH 
FLOODING IS IMMINENT OR OCCURING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. STAY 
AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME UNSTABLE 
AND UNSAFE.

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 1825 6588 1825 6585 1814 6593 1814 6592
      1809 6594 1811 6609 1809 6612 1810 6613
      1808 6613 1808 6621 1820 6619 1822 6617
      1827 6618 1828 6611 1831 6603 1831 6597

$$

CASTRO

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

094 
WGCA52 TJSJ 242230
FFWSJU
PRC007-025-035-041-063-077-129-250130-
/O.EXT.TJSJ.FF.W.0007.000000T0000Z-151025T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
630 PM AST SAT OCT 24 2015

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SAN LORENZO MUNICIPALITY IN PUERTO RICO...
  CAGUAS MUNICIPALITY IN PUERTO RICO...
  AGUAS BUENAS MUNICIPALITY IN PUERTO RICO...
  JUNCOS MUNICIPALITY IN PUERTO RICO...
  GURABO MUNICIPALITY IN PUERTO RICO...
  CIDRA MUNICIPALITY IN PUERTO RICO...
  CAYEY MUNICIPALITY IN PUERTO RICO...

* UNTIL 930 PM AST

* AT 623 PM AST...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING 
  ACROSS THE WARNED AREA. NEAR FOUR INCHES OF RAIN HAVE ALREADY 
  FALLEN ACROSS PARTS OF CAGUAS AND SAN LORENZO. FLASH FLOODING IS 
  ALREADY OCCURRING. ALTHOUGH MAINLY LIGHT RAINFALL PERSIST OVER THE 
  WARNED AREA...RUNOFF FROM THE PREVIOUS HEAVY RAINFALL WILL 
  CONTINUE TO AGGRAVATE FLOODING ACROSS THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 1825 6588 1825 6585 1814 6593 1814 6592
      1809 6594 1811 6609 1809 6612 1810 6613
      1808 6613 1808 6621 1820 6619 1822 6617
      1827 6618 1828 6611 1831 6603 1831 6597

$$

DS/FC

768 
WGCA72 TJSJ 250128
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
928 PM AST SAT OCT 24 2015

PRC007-025-035-041-063-077-129-250133-
/O.EXP.TJSJ.FF.W.0007.000000T0000Z-151025T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN LORENZO PR-CAGUAS PR-AGUAS BUENAS PR-JUNCOS PR-GURABO PR-
CIDRA PR-CAYEY PR-
928 PM AST SAT OCT 24 2015

...THE FLASH FLOOD WARNING FOR SAN LORENZO...CAGUAS...AGUAS BUENAS...
JUNCOS...GURABO...CIDRA AND CAYEY MUNICIPALITIES WILL EXPIRE AT 930
PM AST...

FLOOD WATERS ARE RECEDING ACROSS CAGUAS RIVERS...AND ARE NO LONGER 
EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. HOWEVER...PLEASE 
CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 1825 6588 1825 6585 1814 6593 1814 6592
      1809 6594 1811 6609 1809 6612 1810 6613
      1808 6613 1808 6621 1820 6619 1822 6617
      1827 6618 1828 6611 1831 6603 1831 6597

$$

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
Oct 24, 11:36 AM CDT	Special Marine Warning	JSJ	54 min
Oct 24, 11:58 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 24, 1:21 PM CDT	Special Weather Statement	JSJ	54 min
Oct 24, 1:52 PM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 24, 2:27 PM CDT	Areal Flood Advisory	JSJ	2 hr
Oct 24, 2:29 PM CDT	Special Weather Statement	JSJ	61 min
Oct 24, 2:43 PM CDT	Areal Flood Advisory	JSJ	2 hr
Oct 24, 3:35 PM CDT	Special Weather Statement	JSJ	55 min
Oct 24, 3:50 PM CDT	Areal Flood Advisory	JSJ	115 min
Oct 24, 3:59 PM CDT	Special Weather Statement	JSJ	61 min
Oct 24, 4:12 PM CDT	Flash Flood Warning	JSJ	3 hr
Oct 24, 4:24 PM CDT	Areal Flood Advisory	JSJ	2 hr
Oct 24, 4:39 PM CDT	Areal Flood Advisory	JSJ	2 hr
Oct 24, 5:50 PM CDT	Areal Flood Advisory	JSJ	115 min

Nearby

Flash Flood Warnings in Puerto Rico, 2015 Every flash flood warning in 2015

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.