Alert archive / Puerto Rico / Flash Flood Warnings in 2016

Flash Flood Warning 11, NWS JSJ

April 29, 2016

NWS JSJ issued this flash flood warning at Apr 29, 2016, 10:46 AM 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: Apr 29, 2016, 10:46 AM CDT (15:46 UTC)
Expired: Apr 29, 2016, 1:45 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 49 km from the middle of the area, began a volume at 15:46 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
Apr 29, 11:00 AM CDT	FLOOD	Fajardo, PR	PUBLIC REPORTED FLOODED ROADS NEAR BEBE CALZADA THROUGH SOCIAL MEDIA.

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

The text

As transmitted.

979 
WGCA52 TJSJ 291546
FFWSJU
PRC053-291845-
/O.NEW.TJSJ.FF.W.0011.160429T1546Z-160429T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1146 AM AST FRI APR 29 2016

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FAJARDO MUNICIPALITY IN PUERTO RICO...

* UNTIL 245 PM AST
    
* AT 1144 AM AST...DOPPLER RADAR INDICATED PERSISTENT VERY HEAVY
  RAIN OVER FAJARDO DURING THE LAST HOUR OR SO. RAIN GAGES INDICATED
  UP TO 2.5 INCHES OF RAIN SINCE 1100 AM. FLASH FLOODING IS EXPECTED
  TO BEGIN SHORTLY...ESPECIALLY IN URBAN AREAS ALONG THE COAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

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

&&

LAT...LON 1837 6563 1835 6564 1830 6563 1828 6564
      1829 6567 1828 6568 1829 6569 1828 6574
      1829 6574 1829 6573 1832 6570 1832 6568
      1836 6567 1838 6565 1837 6564 1839 6559

$$

ER

1 follow-up statement

302 
WGCA72 TJSJ 291837
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
237 PM AST FRI APR 29 2016

PRC053-291846-
/O.EXP.TJSJ.FF.W.0011.000000T0000Z-160429T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAJARDO PR-
237 PM AST FRI APR 29 2016

...THE FLASH FLOOD WARNING FOR FAJARDO MUNICIPALITY WILL EXPIRE AT
245 PM AST...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES. HOWEVER...ADDITIONAL SHOWERS CAN DEVELOP LATER THIS
AFTERNOON.

LAT...LON 1837 6563 1835 6564 1830 6563 1828 6564
      1829 6567 1828 6568 1829 6569 1828 6574
      1829 6574 1829 6573 1832 6570 1832 6568
      1836 6567 1838 6565 1837 6564 1839 6559

$$

DS

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
Apr 29, 1:47 AM CDT	Areal Flood Advisory	JSJ	3 hr
Apr 29, 9:21 AM CDT	Areal Flood Advisory	JSJ	5 hr
Apr 29, 10:06 AM CDT	Areal Flood Advisory	JSJ	4 hr
Apr 29, 11:29 AM CDT	Areal Flood Advisory	JSJ	3 hr
Apr 29, 12:00 PM CDT	Flash Flood Warning	JSJ	3 hr
Apr 29, 12:32 PM CDT	Special Marine Warning	JSJ	43 min
Apr 29, 1:17 PM CDT	Areal Flood Advisory	JSJ	118 min
Apr 29, 1:28 PM CDT	Special Marine Warning	JSJ	32 min

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.