Alert archive / Puerto Rico / Flash Flood Warnings in 2014

Flash Flood Warning 8, NWS JSJ

August 2, 2014

NWS JSJ issued this flash flood warning at Aug 2, 2014, 3:08 PM CDT. It was in force for 4 hr. 5 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: Aug 2, 2014, 3:08 PM CDT (20:08 UTC)
Expired: Aug 2, 2014, 7:00 PM CDT
In force: 4 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 68 km from the middle of the area, began a volume at 20:10 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
Aug 2, 3:35 PM CDT	FLOOD	Utuado, PR	URBAN FLODDING IN URB. CABRERA.
Aug 2, 3:35 PM CDT	FLOOD	Utuado, PR	URB FLOODING AT URBANIZATION CABRERA.
Aug 2, 3:35 PM CDT	FLASH FLOOD	Utuado, PR	RIO GRANDE DE ARECIBO WAS REPORTED OUT OF ITS BANKS AT GUANICO SECTOR BETWEEN ROADS PR-10 AND PR-123. ROAD WAS CLOSED.
Aug 2, 3:35 PM CDT	HEAVY RAIN 0	Utuado, PR	ROAD PR-111 KM 4.8 AT BARRIO CAGUANA ONE LINE COLAPSED.
Aug 2, 3:35 PM CDT	HEAVY RAIN 0	Utuado, PR	SEVERAL MUDSLIDES WERE REPORTED IN UTUADO.

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.

823 
WGCA52 TJSJ 022008
FFWSJU
PRC001-013-073-141-022300-
/O.NEW.TJSJ.FF.W.0008.140802T2008Z-140802T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
408 PM AST SAT AUG 2 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     JAYUYA
     UTUADO
     ADJUNTAS
     ARECIBO

* UNTIL 700 PM AST

* AT 404 PM AST...RAINBANDS OF TROPICAL STORM BERTHA ARE PRODUCING 
PERSISTENT HEAVY RAINFALL AND DANGEROUS LIGHTNING OVER THE WARNED 
AREA. SHARP RISES IN TANAMA AND CAONILLAS RIVERS ARE EXPECTED OVER 
THE NEXT HOUR OR SO. ADDITIONAL RAINFALL OF 1 TO 2 INCHES ARE 
POSSIBLE THROUGH 7 PM AST.

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 1832 6661 1832 6658 1818 6654 1817 6666
      1812 6674 1815 6680 1832 6682 1832 6677
      1836 6671 1848 6673 1849 6670

$$

ER

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

2 follow-up statements

510 
WGCA52 TJSJ 022259
FFWSJU
PRC001-013-073-141-030000-
/O.EXT.TJSJ.FF.W.0008.000000T0000Z-140803T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
659 PM AST SAT AUG 2 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     JAYUYA
     UTUADO
     ADJUNTAS
     ARECIBO

* UNTIL 800 PM AST

* AT 650 PM AST...RAINBANDS ASSOCIATED WITH TROPICAL STORM BERTHA 
ARE STILL PRODUCING MODERATE RAINFALL OVER THE WARNED AREA AND AT 
LEAST FOR THE NEXT HOUR OR SO RAINFALL IS EXPECTED. 
ALTHOUGH...RIVERS AROUND UTUADO ARE NOW BELOW FLOOD STAGE THE TANAMA 
RIVER AT ARECIBO IS STILL ABOVE FLOOD STAGE. THEREFORE THE FLASH 
FLOOD WARNING HAS BEEN EXTENDED UNTIL 8 PM AST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES. ADDITIONALLY...ROADS AND LANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AND POOR DRAINAGE AREAS ARE
SUBJECT TO FLOODING. MOTORISTS ARE URGED TO AVOID ROADS WHERE
EXCESSIVE PONDING IS OBSERVED.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS 
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 1832 6661 1832 6658 1818 6654 1817 6666
      1812 6674 1815 6680 1832 6682 1832 6677
      1836 6671 1848 6673 1849 6670

$$

DS

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

304 
WGCA72 TJSJ 022359
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
759 PM AST SAT AUG 2 2014

PRC001-013-073-141-030007-
/O.EXP.TJSJ.FF.W.0008.000000T0000Z-140803T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JAYUYA PR-UTUADO PR-ADJUNTAS PR-ARECIBO PR-
759 PM AST SAT AUG 2 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 800 PM AST FOR ARECIBO...
ADJUNTAS...UTUADO AND JAYUYA MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAS DIMINISHED. HOWEVER...THE RIO TANAMA IS STILL ABOVE FLOOD STAGE. 
A FLOOD WARNING WILL BE ISSUED FOR RIO TANAMA.

LAT...LON 1832 6661 1832 6658 1818 6654 1817 6666
      1812 6674 1815 6680 1832 6682 1832 6677
      1836 6671 1848 6673 1849 6670

$$

JJA

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 2, 8:45 AM CDT	Flash Flood Warning	JSJ	3 hr
Aug 2, 9:51 AM CDT	Special Marine Warning	JSJ	24 min
Aug 2, 10:19 AM CDT	Special Marine Warning	JSJ	56 min
Aug 2, 12:30 PM CDT	Flash Flood Warning	JSJ	3 hr
Aug 2, 2:00 PM CDT	Flash Flood Warning	JSJ	2 hr

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; local storm reports from the same archive; radar from the NEXRAD Level II archive.