Alert archive / Puerto Rico / Flash Flood Warnings in 2014

Flash Flood Warning 13, NWS JSJ

August 23, 2014

NWS JSJ issued this flash flood warning at Aug 23, 2014, 11:11 AM CDT. It was in force for 6 hr. 2 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: Aug 23, 2014, 11:11 AM CDT (16:11 UTC)
Expired: Aug 23, 2014, 5:30 PM CDT
In force: 6 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 5 km from the middle of the area, began a volume at 16:11 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
Aug 23, 11:55 AM CDT	FLASH FLOOD	Caguas, PR	A RIVER WAS REPORTED OUT OF ITS BANKS AT BORINQUEN SECTOR.
Aug 23, 1:49 PM CDT	FLASH FLOOD	Caguas, PR	RIO CAGUITAS WAS REPORTED OUT OF ITS BANKS.

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.

180 
WGCA52 TJSJ 231611
FFWSJU
PRC007-025-035-041-057-109-129-231915-
/O.NEW.TJSJ.FF.W.0013.140823T1611Z-140823T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1211 PM AST SAT AUG 23 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAGUAS
     CAYEY
     CIDRA
     GUAYAMA
     PATILLAS
     SAN LORENZO
     AGUAS BUENAS

* UNTIL 315 PM AST

* AT 1205 PM AST...WEATHER DOPPLER RADAR INDICATED TORRENTIAL 
RAINFALL AFFECTING THE WARNED AREA. THIS RAINFALL WILL RESULT IN 
FLASH FLOODING OVER THESE MUNICIPALITIES.

USGS RAIN GAGE RAINFALL TOTALS INDICATE THAT MORE THAN 2.0 INCHES 
PER HOURS HAVE ALREADY FALLEN OVER CAGUAS...WITH ADDITIONAL RAINFALL 
EXPECTED. EXCESSIVE RUNOFF WILL CAUSE FLOODING OF CREEKS..RIVERS AND 
STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO 
TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 1829 6604 1824 6600 1822 6601 1821 6599
      1818 6596 1809 6599 1807 6601 1801 6602
      1801 6604 1804 6605 1804 6608 1801 6609
      1801 6617 1828 6612 1829 6609

$$

CASTRO

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

2 follow-up statements

720 
WGCA52 TJSJ 231856
FFWSJU
PRC007-025-035-041-057-109-129-232215-
/O.EXT.TJSJ.FF.W.0013.000000T0000Z-140823T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
256 PM AST SAT AUG 23 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAGUAS
     CAYEY
     CIDRA
     GUAYAMA
     PATILLAS
     SAN LORENZO
     AGUAS BUENAS

* UNTIL 615 PM AST

* AT 250 PM AST...WEATHER DOPPLER RADAR INDICATED THAT TORRENTIAL 
RAINFALL CONTINUES TO AFFECT THE WARNED AREA. THIS RAINFALL WILL 
RESULT IN FLASH FLOODING OVER THESE MUNICIPALITIES. FOR THOSE 
REASONS THE FLASH FLOOD WARNING HAS EXTENDED.  

USGS RAIN GAGE RAINFALL TOTALS INDICATE THAT MORE THAN 2.0 INCHES 
PER HOURS HAVE ALREADY FALLEN OVER THE WARNED AREA...WITH 
ADDITIONAL RAINFALL EXPECTED. EXCESSIVE RUNOFF WILL CAUSE FLOODING 
OF CREEKS..RIVERS AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE 
HEAVY RAINS COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.

LAT...LON 1829 6604 1824 6600 1822 6601 1821 6599
      1818 6596 1809 6599 1807 6601 1801 6602
      1801 6604 1804 6605 1804 6608 1801 6609
      1801 6617 1828 6612 1829 6609

$$

FIGUEROA

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

743 
WGCA72 TJSJ 232210
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
610 PM AST SAT AUG 23 2014

PRC007-025-035-041-057-109-129-232230-
/O.EXP.TJSJ.FF.W.0013.000000T0000Z-140823T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAGUAS PR-CAYEY PR-CIDRA PR-GUAYAMA PR-PATILLAS PR-SAN LORENZO PR-
AGUAS BUENAS PR-
610 PM AST SAT AUG 23 2014

...THE FLASH FLOOD WARNING WILL ALLOWED TO EXPIRE AT 615 PM AST FOR 
AGUAS BUENAS...SAN LORENZO...PATILLAS...GUAYAMA...CIDRA...CAYEY AND 
CAGUAS MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD MOVED AWAY. NO SIGNIFICANT ADDITIONAL HEAVY RAINFALL IS EXPECTED 
ACROSS THESE AREAS AT THIS TIME. FOR THIS REASON...THE FLASH FLOOD 
WARNING WILL ALLOWED TO EXPIRE AT 615 PM AST. HOWEVER...A FLOOD 
ADVISORY REMAINS IN EFFECT FOR THESE MUNICIPALITIES UNTIL 715 PM AST 
DUE TO EXCESSIVE RUNOFF AND MINOR FLOODING IN URBAN AREAS AND SMALL 
STREAMS.

RESIDENTS AND MOTORISTS ACROSS THESE AREAS SHOULD BE ALERT TO 
PONDING OF WATER ON ROADWAYS AND ALLOW TIME FOR STREAMS...CREEKS AND 
RIVERS TO RETURN TO NORMAL LEVELS.


LAT...LON 1829 6604 1824 6600 1822 6601 1821 6599
      1818 6596 1809 6599 1807 6601 1801 6602
      1801 6604 1804 6605 1804 6608 1801 6609
      1801 6617 1828 6612 1829 6609

$$

ER/RAM

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
Aug 23, 2:21 AM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 23, 9:19 AM CDT	Areal Flood Advisory	JSJ	6 hr
Aug 23, 10:07 AM CDT	Areal Flood Advisory	JSJ	5 hr
Aug 23, 10:38 AM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 23, 11:37 AM CDT	Areal Flood Advisory	JSJ	9 hr
Aug 23, 12:14 PM CDT	Areal Flood Advisory	JSJ	6 hr
Aug 23, 12:56 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 23, 2:05 PM CDT	Flash Flood Warning	JSJ	6 hr
Aug 23, 2:18 PM CDT	Special Marine Warning	JSJ	102 min
Aug 23, 2:36 PM CDT	Areal Flood Advisory	JSJ	10 hr
Aug 23, 2:51 PM CDT	Areal Flood Advisory	JSJ	4 hr
Aug 23, 2:58 PM CDT	Flash Flood Warning	JSJ	3 hr
Aug 23, 3:17 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 23, 3:20 PM CDT	Areal Flood Advisory	JSJ	5 hr
Aug 23, 3:24 PM CDT	Flash Flood Warning	JSJ	3 hr
Aug 23, 6:08 PM CDT	Areal Flood Advisory	JSJ	112 min
Aug 23, 6:14 PM CDT	Flash Flood Warning	JSJ	2 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2014 Every flash flood warning in 2014

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.