Alert archive / Puerto Rico / Flash Flood Warnings in 2016

Flash Flood Warning 28, NWS JSJ

November 13, 2016

NWS JSJ issued this flash flood warning at Nov 13, 2016, 1:39 PM CST. It was in force for 5 hr. 9 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
Nov 13, 2016, 1:39 PM CST (19:39 UTC)
Expired
Nov 13, 2016, 6:45 PM CST
In force
5 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 97 km from the middle of the area, began a volume at 19:40 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
Nov 13, 2:07 PM CSTFLASH FLOODSan Sebastian, PRQUEBRADA GANZO WAS REPORTED OUT OF ITS BANKS.
Nov 13, 2:07 PM CSTFLASH FLOODSan Sebastian, PRROAD PR-119 AT BARRIO CALABAZAS WAS REPROTED FLOODED DUE TO RIO CULEBRINAS OUT OF ITS BANKS.
Nov 13, 2:07 PM CSTFLASH FLOODSan Sebastian, PRROAD PR-125 WITH INTERESECTION WITH ROAD PR-446 WAS REPORTED FLOODED DUE TO RIO GUATEMALA OUT OF ITS BANKS.
Nov 13, 2:23 PM CSTFLASH FLOODSan Sebastian, PRRESIDENTS AT VILLA SOFIA SECTOR WERE EVACUATED DUE TO FLOOD WATERS.
Nov 13, 2:23 PM CSTHEAVY RAIN 4.19San Sebastian, PRA KP4 TRAINED SPOTTER REPORTED 4.19 INCHES IN SAN SEBASTIAN.
Nov 13, 2:23 PM CSTHEAVY RAIN 4.59San Sebastian, PRKP4 SPOTTER MEASURED 4.59 INCHES IN SAN SEBASTIAN. IN ADDITION, HE REPORTED SEVERAL MUDSLIDES, INCLUDING AT BARRIO SALTO,WITH POWER LINES DOWN.
Nov 13, 2:30 PM CSTFLASH FLOODSan Sebastian, PRRIO CULEBRINAS WENT OF ITS BANKS AT BARRIO EL CULEBRINAS. RESIDENTS IN THIS AREA WERE EVACUATED.
Nov 13, 2:30 PM CSTHEAVY RAIN 0San Sebastian, PRA MUDSLIDE WAS REPORTED AT PR-445, KM 1.2. THE ROAD WAS CLOSED WHICH GIVES ACCESS TO BARRIOS SALTO UNO AND SALTO DOS.
Nov 13, 2:48 PM CSTFLASH FLOODSan Sebastian, PRROAD PR-497 WAS REPORTED FLOODED AND CLOSED DUE TO RIO SONADOR 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.

252 
WGCA52 TJSJ 131939
FFWSJU
PRC131-132145-
/O.NEW.TJSJ.FF.W.0028.161113T1939Z-161113T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
339 PM AST SUN NOV 13 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SAN SEBASTIAN MUNICIPALITY IN PUERTO RICO...

* UNTIL 545 PM AST

* AT 338 PM AST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
  HEAVY RAIN FALLING ACROSS THE WARNED AREA. UP TO THREE INCHES OF
  RAIN HAVE ALREADY FALLEN IN THE LAST HOUR. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY. 

* EXCESSIVE RAINFALL OVER THE WARNED AREA  WILL CAUSE MUDSLIDES NEAR
  STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF  ROCK...MUD...
  VEGETATION AND OTHER LOOSE MATERIALS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1836 6690 1837 6689 1831 6691 1825 6691
      1825 6693 1827 6696 1826 6697 1828 6698
      1828 6704 1829 6703 1831 6705 1833 6704
      1835 6705 1839 6703 1838 6695 1839 6693

$$

ER
1 follow-up statement
539 
WGCA52 TJSJ 132102
FFWSJU
PRC131-140045-
/O.EXT.TJSJ.FF.W.0028.000000T0000Z-161114T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
502 PM AST SUN NOV 13 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SAN SEBASTIAN MUNICIPALITY IN PUERTO RICO...

* UNTIL 845 PM AST

* AT 455 PM AST...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING IN
  NUMEROUS AREAS IN SAN SEBASTIAN. IN ADDITION...THE EXCESSIVE
  RUNOFF HAS TRIGGERED SEVERAL MUDSLIDES. THEREFORE...THE FLASH
  FLOOD WARNING HAS BEEN EXTENDED UNTIL 845 PM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 1836 6690 1837 6689 1831 6691 1825 6691
      1825 6693 1827 6696 1826 6697 1828 6698
      1828 6704 1829 6703 1831 6705 1833 6704
      1835 6705 1839 6703 1838 6695 1839 6693

$$

ER

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 12, 7:08 PM CSTAreal Flood AdvisoryJSJ3 hr
Nov 13, 11:23 AM CSTAreal Flood AdvisoryJSJ112 min
Nov 13, 12:22 PM CSTAreal Flood AdvisoryJSJ3 hr
Nov 13, 12:40 PM CSTAreal Flood AdvisoryJSJ3 hr
Nov 13, 1:44 PM CSTSpecial Marine WarningJSJ61 min
Nov 13, 1:45 PM CSTAreal Flood AdvisoryJSJ3 hr
Nov 13, 2:20 PM CSTFlash Flood WarningJSJ10 hr
Nov 13, 2:38 PM CSTAreal Flood AdvisoryJSJ2 hr
Nov 13, 3:15 PM CSTAreal Flood AdvisoryJSJ2 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2016Every flash flood warning in 2016

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.