Alert archive / Puerto Rico / Flash Flood Warnings in 2016

Flash Flood Warning 21, NWS JSJ

October 10, 2016

NWS JSJ issued this flash flood warning at Oct 10, 2016, 5:07 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: Oct 10, 2016, 5:07 PM CDT (22:07 UTC)
Expired: Oct 10, 2016, 8:00 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 26 km from the middle of the area, began a volume at 22:06 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
Oct 10, 5:19 PM CDT	FLASH FLOOD	Trujillo Alto, PR	PR-175 WAS REPORTED FLOODED AND IMPASSABLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The text

As transmitted.

635 
WGCA52 TJSJ 102207
FFWSJU
PRC139-110100-
/O.NEW.TJSJ.FF.W.0021.161010T2207Z-161011T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
607 PM AST MON OCT 10 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TRUJILLO ALTO MUNICIPALITY IN PUERTO RICO...

* UNTIL 900 PM AST
    
* AT 605 PM AST...SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINFALL
  IS AFFECTING THE MUNICIPALITY OF TRUJILLO ALTO. TWO INCHES OF
  RAINFALL HAS BEEN REPORTED SO FAR. LATEST RADAR IMAGES INDICATED
  AN AREA OF TORRENTIAL RAINFALL WILL MOVE ACROSS TRUJILLO ALTO IN
  THE NEXT HOUR OR SO...WORSENING THE FLOODING CONDITIONS.
  THEREFORE...FLASH FLOODING IS IMMINENT OR IS ALREADY OCCURRING. 

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 1835 6598 1834 6597 1831 6599 1831 6603
      1838 6603

$$

CASTRO

1 follow-up statement

914 
WGCA72 TJSJ 110054
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
854 PM AST MON OCT 10 2016

PRC139-110103-
/O.EXP.TJSJ.FF.W.0021.000000T0000Z-161011T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRUJILLO ALTO PR-
854 PM AST MON OCT 10 2016

...THE FLASH FLOOD WARNING FOR TRUJILLO ALTO MUNICIPALITY WILL EXPIRE
AT 900 PM AST...

EAVY RAIN OVER THE AREA HAS ENDED...FLOOD WATERS HAVE RECEDED...AND
ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE
CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 1835 6598 1834 6597 1831 6599 1831 6603
      1838 6603

$$

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.

Issued	Product	Office	Lasted
Oct 10, 2:40 PM CDT	Special Marine Warning	JSJ	50 min
Oct 10, 3:32 PM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 10, 3:39 PM CDT	Small Craft Advisory	JSJ	4 days
Oct 10, 4:28 PM CDT	Areal Flood Advisory	JSJ	3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2016 Every 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.