Alert archive / Puerto Rico / Flash Flood Warnings in 2014

Flash Flood Warning 17, NWS JSJ

August 23, 2014

NWS JSJ issued this flash flood warning at Aug 23, 2014, 6:14 PM CDT. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 23, 2014, 6:14 PM CDT (23:14 UTC)
Expired: Aug 23, 2014, 8:30 PM CDT
In force: 2 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 52 km from the middle of the area, began a volume at 23:15 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.

The text

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

589 
WGCA52 TJSJ 232314
FFWSJU
PRC017-039-091-101-107-145-240130-
/O.NEW.TJSJ.FF.W.0017.140823T2314Z-140824T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     BARCELONETA
     CIALES
     MANATI
     MOROVIS
     OROCOVIS
     VEGA BAJA

* UNTIL 930 PM AST

* AT 703 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
PERSISTENT HEAVY RAINFALL ALONG THE RIO GRANDE DE MANATI BASIN AND 
CONTINUED TO RAIN. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE MOVING 
ACROSS PORTIONS OF THE WARNED AREA. SHARP RISES ON THE RIO GRANDE DE 
MANATI...ITS TRIBUTARIES CAN BE EXPECTED WITHIN THE FEW NEXT HOURS 
AS SIGNIFICANT RUNOFF FROM THE HEAVY RAINFALL WILL RAPIDLY REACH THE 
RIVER BASIN. 

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 1849 6652 1847 6646 1820 6636 1818 6640
      1818 6653 1834 6655 1835 6653 1839 6653
      1841 6655 1849 6656

$$

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, 11:11 AM CDT	Flash Flood Warning	JSJ	6 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

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; radar from the NEXRAD Level II archive.