Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 36, NWS JSJ

May 24, 2011

NWS JSJ issued this flash flood warning at May 24, 2011, 5:12 PM CDT. It was in force for 10 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: May 24, 2011, 5:12 PM CDT (22:12 UTC)
Expired: May 25, 2011, 3:08 AM CDT
In force: 10 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 22:14 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.

487 
WGCA52 TJSJ 242212
FFWSJU
PRC017-039-091-250400-
/O.NEW.TJSJ.FF.W.0036.110524T2212Z-110525T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
612 PM AST TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CIALES
     BARCELONETA
     MANATI

* UNTIL MIDNIGHT AST

* AT 556 PM AST...USGS RIVER GAGES ON THE RIO GRANDE DE MANATI WERE 
RISING AND FLOOD STAGE WAS REACHED AT CIALES. FLOODING IS EXPECTED 
FROM CIALES TO THE COAST.

FOR THE RIO GRANDE DE MANATI FROM CIALES TO MANATI
     FLOOD STAGE CIALES - 10 FEET. FLOOD STAGE MANATI - 25           
     FEET. AT 556 PM AST...THE USGS SENSOR AT CIALES HAD RISEN TO    
     10.5 FEET. MINOR FLOODING IS FORECAST.

     THE USGS SENSOR AT MANATI WAS STILL FALLING AT 13.72 FEET...BUT 
     IT IS EXPECTED TO BEGIN RISING BY 7 PM AND REACH FLOOD STAGE    
     AFTER 10 PM. ROADS IN SECTOR CACHETE MAY BE FLOODED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1841 6651 1843 6655 1849 6656 1849 6651
      1845 6651 1843 6648 1838 6647 1831 6645
      1826 6644 1826 6647

$$

SNELL

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

4 follow-up statements

968 
WGCA52 TJSJ 250344
FFWSJU
PRC017-039-091-250630-
/O.EXT.TJSJ.FF.W.0036.000000T0000Z-110525T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1144 PM AST TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CIALES
     BARCELONETA
     MANATI

* UNTIL 230 AM AST

* AT 1135 PM AST...THE USGS RIVER GAGE SENSOR AT RIO GRANDE DE       
  MANATI INDICATED THAT THE RIVER LEVEL WAS ABOVE FLOOD STAGE. FOR   
  THAT REASON THE FLASH FLOOD WARNING FOR RIO GRANDE DE MANATI AND   
  ITS TRIBUTARIES HAS EXTENDED UNTIL 230 AM AST WEDNESDAY MORNING. 

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 1841 6651 1843 6655 1849 6656 1849 6651
      1845 6651 1843 6648 1838 6647 1831 6645
      1826 6644 1826 6647

$$

FIGUEROA

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

240 
WGCA52 TJSJ 250625
FFWSJU
PRC017-039-091-250830-
/O.EXT.TJSJ.FF.W.0036.000000T0000Z-110525T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
225 AM AST WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CIALES
     BARCELONETA
     MANATI

* UNTIL 430 AM AST

* AT 220 AM AST...THE USGS RIVER GAGE SENSOR AT RIO DE LA PLATA   
INDICATED THAT THE RIVER LEVEL CONTINUES ABOVE FLOOD STAGE BUT IS 
BEGINNING TO RECEDING SLOWLY. FOR THAT REASON THE FLASH FLOOD 
WARNING FOR RIO DE LA PLATA AND ITS TRIBUTARIES HAS EXTENDED UNTIL 
430 AM AST. 

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.

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 1841 6651 1843 6655 1849 6656 1849 6651
      1845 6651 1843 6648 1838 6647 1831 6645
      1826 6644 1826 6647

$$

FIGUEROA

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

121 
WGCA52 TJSJ 250630 CCA
FFWSJU
PRC017-039-091-250830-
/O.COR.TJSJ.FF.W.0036.000000T0000Z-110525T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE SAN JUAN PR
229 AM AST WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CIALES
     BARCELONETA
     MANATI

* UNTIL 430 AM AST

* AT 220 AM AST...THE USGS RIVER GAGE SENSOR AT RIO GRANDE DE
  MANATI INDICATED THAT THE RIVER LEVEL CONTINUES ABOVE FLOOD
  STAGE BUT IS BEGINNING TO RECEDING SLOWLY. FOR THAT REASON THE
  FLASH FLOOD WARNING FOR RIO GRANDE DE MANATI AND ITS
  TRIBUTARIES HAS EXTENDED UNTIL 430 AM AST.

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.

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 1841 6651 1843 6655 1849 6656 1849 6651
      1845 6651 1843 6648 1838 6647 1831 6645
      1826 6644 1826 6647

$$

FIGUEROA

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

509 
WGCA72 TJSJ 250808
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
408 AM AST WED MAY 25 2011

PRC017-039-091-250812-
/O.CAN.TJSJ.FF.W.0036.000000T0000Z-110525T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CIALES PR-BARCELONETA PR-MANATI PR-
408 AM AST WED MAY 25 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MANATI...
BARCELONETA AND CIALES MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. NO SIGNIFICANT ADDITIONAL RAINFALL IS 
EXPECTED ACROSS THESE AREAS AT THIS TIME. HOWEVER...THE USGS RIVER 
GAGE SENSOR AT RIO GRANDE DE MANATI INDICATED THAT THE RIVER LEVEL 
CONTINUES ABOVE FLOOD STAGE...BUT IS BEGINNING TO RECEDING SLOWLY. 

FOR THOSE REASONS...THE FLASH FLOOD WARNING FOR RIO GRANDE DE MANATI 
AND ITS TRIBUTARIES HAS BEEN CANCELLED BUT WILL BE REPLACED BY A 
FLOOD WARNING. 

LAT...LON 1841 6651 1843 6655 1849 6656 1849 6651
      1845 6651 1843 6648 1838 6647 1831 6645
      1826 6644 1826 6647

$$

FIGUEROA

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
May 23, 10:37 PM CDT	Areal Flood Warning	JSJ	4 hr
May 24, 1:36 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 24, 2:15 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 24, 3:24 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 24, 4:07 PM CDT	Flash Flood Warning	JSJ	113 min
May 24, 4:36 PM CDT	Special Marine Warning	JSJ	39 min
May 24, 5:53 PM CDT	Flash Flood Warning	JSJ	7 hr
May 24, 6:04 PM CDT	Flash Flood Warning	JSJ	3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2011 Every flash flood warning in 2011

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.