Alert archive / Puerto Rico / Flash Flood Warnings in 2015

Flash Flood Warning 8, NWS JSJ

October 24, 2015

NWS JSJ issued this flash flood warning at Oct 24, 2015, 4:12 PM CDT. It was in force for 3 hr. 3 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, 4:12 PM CDT (21:12 UTC)
Expired
Oct 24, 2015, 7:15 PM CDT
In force
3 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 21 km from the middle of the area, began a volume at 21:14 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
Oct 24, 5:14 PM CDTFLASH FLOODAibonito, PRFLOODED HOUSES WITH CAR STRANDED IN WATER WERE REPORTED IN URBANZATION SAN JOSE.
Oct 24, 6:00 PM CDTFLASH FLOODAibonito, PRURB BELLA VISTA IN AIBONITO,HOUSES WERE REPORTED FLOODED WITH CAR STRANDED.
Oct 24, 6:45 PM CDTFLASH FLOODComerio, PRUSGS RIVER GAUGES INDICATED RIO LA PLATA AT COMERIO WENT OUT OF ITS BANKS. RIVER CRESTED AT 14.97 FEET. FLOOD STAGE IS 11 FEET. IN ADDITION PUBLIC REPORTED THE RIVER OUT OF ITS BANKS NEAR RURAL AREAS IN COMERIO.

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.

840 
WGCA52 TJSJ 242112
FFWSJU
PRC009-019-045-250015-
/O.NEW.TJSJ.FF.W.0008.151024T2112Z-151025T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COMERIO MUNICIPALITY IN PUERTO RICO...
  BARRANQUITAS MUNICIPALITY IN PUERTO RICO...
  AIBONITO MUNICIPALITY IN PUERTO RICO...

* UNTIL 815 PM AST
    
* AT 511 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. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COMERIO...AIBONITO...BARRANQUITAS AND PASTOS. 

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 1817 6621 1818 6623 1818 6624 1817 6622
      1815 6622 1809 6623 1808 6625 1813 6632
      1815 6631 1817 6634 1820 6635 1825 6632
      1824 6631 1824 6627 1827 6619

$$

CASTRO
1 follow-up statement
950 
WGCA72 TJSJ 250016
FFSSJU

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

PRC009-019-045-250022-
/O.EXP.TJSJ.FF.W.0008.000000T0000Z-151025T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COMERIO PR-BARRANQUITAS PR-AIBONITO PR-
816 PM AST SAT OCT 24 2015

...THE FLASH FLOOD WARNING FOR COMERIO...BARRANQUITAS AND AIBONITO
MUNICIPALITIES WILL EXPIRE AT 815 PM AST...

THE HEAVY RAIN HAS ENDED ACROSS THESE MUNICIPALITIES. HOWEVER...THE 
USGS RIVER GAGE AT RIO DE LA PLATA IN COMERIO IS ABOVE FLOOD STAGE 
AND FLOODING IS STILL OCURRING ACROSS SOME AREAS IN THE WARNED AREA. 
THEREFORE...THE FLASH FLOOD WARNING WILL BE REPLACED WITH A RIVER 
FLOOD WARNING.

LAT...LON 1817 6621 1818 6623 1818 6624 1817 6622
      1815 6622 1809 6623 1808 6625 1813 6632
      1815 6631 1817 6634 1820 6635 1825 6632
      1824 6631 1824 6627 1827 6619

$$

DS/FC

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
Oct 24, 11:36 AM CDTSpecial Marine WarningJSJ54 min
Oct 24, 11:58 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 24, 1:21 PM CDTSpecial Weather StatementJSJ54 min
Oct 24, 1:52 PM CDTAreal Flood AdvisoryJSJ3 hr
Oct 24, 2:27 PM CDTAreal Flood AdvisoryJSJ2 hr
Oct 24, 2:29 PM CDTSpecial Weather StatementJSJ61 min
Oct 24, 2:36 PM CDTFlash Flood WarningJSJ6 hr
Oct 24, 2:43 PM CDTAreal Flood AdvisoryJSJ2 hr
Oct 24, 3:35 PM CDTSpecial Weather StatementJSJ55 min
Oct 24, 3:50 PM CDTAreal Flood AdvisoryJSJ115 min
Oct 24, 3:59 PM CDTSpecial Weather StatementJSJ61 min
Oct 24, 4:24 PM CDTAreal Flood AdvisoryJSJ2 hr
Oct 24, 4:39 PM CDTAreal Flood AdvisoryJSJ2 hr
Oct 24, 5:50 PM CDTAreal Flood AdvisoryJSJ115 min

Nearby

Flash Flood Warnings in Puerto Rico, 2015Every 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.