Alert archive / Puerto Rico / Flash Flood Warnings in 2007

Flash Flood Warning 60, NWS JSJ

December 11, 2007

NWS JSJ issued this flash flood warning at Dec 11, 2007, 1:06 PM CST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Dec 11, 2007, 1:06 PM CST (19:06 UTC)
Expired: Dec 12, 2007, 7:00 AM CST
In force: 18 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 54 km from the middle of the area, began a volume at 19:07 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.

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGCA52 TJSJ 111909
FFWSJU
PRC017-039-054-091-101-107-120100-
/O.NEW.TJSJ.FF.W.0060.071211T1906Z-071212T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
306 PM AST TUE DEC 11 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE FLASH 
FLOOD WARNING FOR THE RIO GRANDE DE MANATI TO INCLUDE THE FOLLOWING 
AREAS...

  IN PUERTO RICO
     CIALES
     FLORIDA
     OROCOVIS
     MOROVIS
     BARCELONETA
     MANATI

* UNTIL 900 PM AST

*  AT 300 PM AST...FLOODING CONTINUES TO BE REPORTED ALONG THE RIO 
GRADE DE MANATI. THIS RIVER IS EXPERIENCING MODERATE TO MAJOR 
FLOODING AND HEAVY RAIN CONTINUES TO FALL OVER ITS BASIN. FLOODING 
OF THIS NATURE THREATENS ROAD #667 IN SECTOR CACHETE AND ROAD #666. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MANATI...LA
  LUISA...IMBERY AND BARCELONETA

THIS IS AN EXTREMELY DANGEROUS SITUATION...IF YOU ARE ANYWHERE NEAR 
THIS RIVER...MOVE TO HIGHER GROUND IMMEDIATELY.

LAT...LON 1848 6658 1850 6649 1822 6640 1818 6654
TIME...MOT...LOC 1906Z 180DEG 0KT 1837 6663

$$

ABTAHI

3 follow-up statements

000 
WGCA52 TJSJ 120056
FFWSJU
PRC017-039-054-091-101-107-120700-
/O.EXT.TJSJ.FF.W.0060.000000T0000Z-071212T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
848 PM AST TUE DEC 11 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CIALES
     FLORIDA
     OROCOVIS
     MOROVIS
     BARCELONETA
     MANATI

* UNTIL 300 AM AST WEDNESDAY

* AT 843 PM AST...A U.S.G.S. RIVER GAGE REVEAL THAT THE RIO GRANDE
  DE MANATI REMAINS ABOVE FLOOD STAGE AT THE PRESENT TIME.  EVEN 
  THOUGH THE RIVER HAS PEAKED...ADDITIONAL RUNOFF AND SCATTERED... 
  LOCALLY HEAVY RAIN SHOWERS CONTINUE TO BE A THREAT TO THE AREA. 
  THEREFORE...THE NATIONAL WEATHER SERVICE HAS EXTENDED THE WARNING
  THROUGH 3 AM AST WEDNESDAY MORNING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MANATI...LA
  LUISA...IMBERY AND BARCELONETA

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 1848 6658 1850 6649 1822 6640 1818 6654
TIME...MOT...LOC 0048Z 180DEG 0KT 1837 6663

$$

JPC

000 
WGCA52 TJSJ 120625
FFWSJU
PRC001-013-141-121315-
/O.EXT.TJSJ.FF.W.0055.000000T0000Z-071212T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
220 AM AST WED DEC 12 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     ADJUNTAS
     UTUADO
     ARECIBO

* UNTIL 915 AM AST

* AT 215 AM AST...SEVERAL U.S.G.S. RIVER GAGES SENSOR ALONG THE RIO 
GRANDE DE ARECIBO WERE INDICATING THAT THE RIVER WAS STILL SEVERAL 
FEET ABOVE FLOOD STAGE...AND VERY SLOWLY BEGINNING TO RECEDE. WHILE 
THIS RIVER SLOWLY RECEDES OVER THE NEXT SEVERAL HOURS...DANGEROUS   
FLOODING ALONG THE RIO GRANDE DE ARECIBO AND ITS TRIBUTARIES IS   
EXPECTED TO CONTINUE THROUGH AT LEAST 915 AM AST. 

RESIDENTS AND MOTORISTS ARE URGED TO BE ESPECIALLY CAUTIOUS AT NIGHT 
WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. DO NOT DRIVE 
YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE 
WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.

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 1849 6675 1848 6662 1814 6664 1812 6669
      1813 6672
TIME...MOT...LOC 0620Z 180DEG 0KT 1838 6668

$$

FIGUEROA

000 
WGCA52 TJSJ 121255
FFWSJU
PRC017-039-054-091-101-107-121900-
/O.EXT.TJSJ.FF.W.0060.000000T0000Z-071212T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
846 AM AST WED DEC 12 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CIALES
     FLORIDA
     OROCOVIS
     MOROVIS
     BARCELONETA
     MANATI

* UNTIL 300 PM AST WEDNESDAY

* AT 841 AM AST...THE RIO GRANDE DE MANATI REMAINS ABOVE FLOOD STAGE 
  DUE TO RECENT HEAVY RAINS. ANY ADDITIONAL RAINS THIS AFTERNOON     
  WILL CAUSE RAPID RISES IN RIVER LEVELS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MANATI...LA
  LUISA...IMBERY AND BARCELONETA

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 1848 6658 1850 6649 1822 6640 1818 6654
TIME...MOT...LOC 1246Z 180DEG 0KT 1837 6663

$$

ABTAHI

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Dec 10, 6:38 PM CST	Special Marine Warning	JSJ	2 hr
Dec 10, 8:40 PM CST	Special Marine Warning	JSJ	2 hr
Dec 10, 10:51 PM CST	Special Marine Warning	JSJ	84 min
Dec 11, 5:46 AM CST	Special Marine Warning	JSJ	119 min
Dec 11, 7:42 AM CST	Special Marine Warning	JSJ	2 hr
Dec 11, 2:04 PM CST	Flash Flood Warning	JSJ	6 hr
Dec 11, 3:50 PM CST	Flash Flood Warning	JSJ	3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2007 Every flash flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.