Alert archive / Puerto Rico / Flash Flood Warnings in 2014

Flash Flood Warning 19, NWS JSJ

August 23, 2014

NWS JSJ issued this flash flood warning at Aug 23, 2014, 9:32 PM CDT. It was in force for 3 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
Aug 23, 2014, 9:32 PM CDT (02:32 UTC)
Expired
Aug 24, 2014, 12:30 AM CDT
In force
3 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 55 km from the middle of the area, began a volume at 02:35 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

TimeReportWhereRemark
Aug 23, 9:55 PM CDTFLASH FLOODPonce, PRHIGHWAYS PR-1 AND PR-2 FLOODED IN PONCE. RIO INABON ALSO 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.

913 
WGCA52 TJSJ 240232
FFWSJU
PRC075-113-240530-
/O.NEW.TJSJ.FF.W.0019.140824T0232Z-140824T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1032 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
     JUANA DIAZ
     PONCE

* UNTIL 130 AM AST

* AT 1029 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
PERSISTENT HEAVY RAINFALL AFFECTING THE WARNED AREA OVER THE LAST 
FEW HOURS. RAINFALL ACCUMULATIONS FROM PREVIOUS RAINFALL HAVE 
PRODUCED BETWEEN 2 AND 3 INCHES OF RAIN IN PORTIONS OF PONCE AND 
JUANA DIAZ AND CONTINUED TO RAIN. HEAVY RAIN IS NOW OCCURRING OVER 
PORTIONS OF THE WARNED AREA AND COULD BRING ADDITIONAL 2-3 INCHES IN 
THE NEXT HOUR OR SO. 

SIGNIFICANT RISES HAVE BEEN OBSERVED IN RIO CERRILLOS...RIO INABON 
AND RIO JACAGUAS...THEREFORE RESIDENTS IN FLOOD PRONE AREAS SHOULD 
MOVE TO HIGHER GROUND IMMEDIATELY AND NEVER TRY TO CROSS A FLOODED 
ROADWAY. 

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 1797 6670 1809 6668 1813 6669 1815 6667
      1816 6660 1815 6653 1810 6653 1808 6652
      1809 6650 1799 6645 1796 6658

$$

ER/RAM

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
914 
WGCA72 TJSJ 240534
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
134 AM AST SUN AUG 24 2014

PRC075-113-240542-
/O.EXP.TJSJ.FF.W.0019.000000T0000Z-140824T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JUANA DIAZ PR-PONCE PR-
134 AM AST SUN AUG 24 2014

...THE FLASH FLOOD WARNING HAS EXPIRED FOR PONCE AND JUANA DIAZ
MUNICIPALITIES...

HEAVY RAINS HAVE ENDED IN PONCE AND JUANA DIAZ. HOWEVER...HIGHWAYS 1
AND 2 AND PLAYA PONCE ARE STILL FLOODED WITH HIGH STANDING WATER. A 
FLOOD ADVISORY STILL REMAINS IN EFFECT.

LAT...LON 1797 6670 1809 6668 1813 6669 1815 6667
      1816 6660 1815 6653 1810 6653 1808 6652
      1809 6650 1799 6645 1796 6658

$$

ROSA

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.

IssuedProductOfficeCountiesLasted
Aug 23, 8:00 PM CDTAreal Flood AdvisoryJSJ3 hr
Aug 23, 8:33 PM CDTFlash Flood WarningJSJ8 hr
Aug 23, 9:43 PM CDTAreal Flood AdvisoryJSJ107 min
Aug 23, 10:35 PM CDTFlash Flood WarningJSJ7 hr
Aug 23, 11:08 PM CDTFlash Flood WarningJSJ6 hr
Aug 23, 11:32 PM CDTAreal Flood AdvisoryJSJ58 min
Aug 24, 12:34 AM CDTAreal Flood AdvisoryJSJ116 min
Aug 24, 1:51 AM CDTAreal Flood AdvisoryJSJ3 hr
Aug 24, 3:33 AM CDTFlash Flood WarningJSJ10 hr
Aug 24, 5:09 AM CDTAreal Flood WarningJSJ8 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2014Every 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.