Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 102, NWS JSJ

August 22, 2011

NWS JSJ issued this flash flood warning at Aug 22, 2011, 6:54 AM CDT. It was in force for 5 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: Aug 22, 2011, 6:54 AM CDT (11:54 UTC)
Expired: Aug 22, 2011, 12:15 PM CDT
In force: 5 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

What was reported inside it

Time	Report	Where	Remark
Aug 22, 7:00 AM CDT	HEAVY RAIN 10.51	Naguabo, PR	USGS NGHP4 SENSOR AT QUEBRADA GUABA IN NAGUABO RECORDED 10.51 INCHES IN A 24 HOUR PERIOD ENDING AT 8AM THIS MORNING.

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.

184 
WGCA52 TJSJ 221154
FFWSJU
PRC015-025-029-031-037-053-063-069-077-085-087-089-095-103-109-119-
129-139-151-221445-
/O.NEW.TJSJ.FF.W.0102.110822T1154Z-110822T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
754 AM AST MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED AND EXPANDED 
THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAGUAS
     JUNCOS
     GURABO
     SAN LORENZO
     TRUJILLO ALTO
     LAS PIEDRAS
     ARROYO
     LUQUILLO
     PATILLAS
     MAUNABO
     NAGUABO
     CEIBA
     CANOVANAS
     FAJARDO
     CAROLINA
     HUMACAO
     LOIZA
     RIO GRANDE
     YABUCOA

* UNTIL 1045 AM AST

* AT 747 AM AST...TERMINAL DOPPLER RADAR INDICATED ADDITIONAL 
MODERATE TO LOCALLY HEAVY SHOWERS OVER THE WARNED AREA.  ALSO...USGS 
RIVER SENSORS INDICATE THAT THE RIO GRANDE DE LOIZA IS APPROACHING 
FLOOD STAGE. THE REST OF THE RIVERS IN THE WARNED AREA ARE EITHER 
OUT OF ITS BANKS OR APPROACHING FLOOD STAGE. THEREFORE THE FLASH 
FLOOD WARNING HAS BEN EXTENDED AND EXPANDED TO INCLUDE THE RIO 
GRANDE DE LOIZA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 1795 6609 1846 6601 1845 6590 1836 6562
      1823 6559 1799 6586 1793 6600

$$

JJA

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

2 follow-up statements

030 
WGCA52 TJSJ 221442
FFWSJU
PRC015-025-029-031-037-053-063-069-077-085-087-089-095-103-109-119-
129-139-151-221715-
/O.EXT.TJSJ.FF.W.0102.000000T0000Z-110822T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1042 AM AST MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAGUAS
     JUNCOS
     GURABO
     SAN LORENZO
     TRUJILLO ALTO
     LAS PIEDRAS
     ARROYO
     LUQUILLO
     PATILLAS
     MAUNABO
     NAGUABO
     CEIBA
     CANOVANAS
     FAJARDO
     CAROLINA
     HUMACAO
     LOIZA
     RIO GRANDE
     YABUCOA

* UNTIL 115 PM AST

* AT 1035 AM AST...TERMINAL DOPPLER RADAR INDICATED SHOWERS OVER THE 
WARNED AREA AND MORE RAIN MOVING IN. DUE TO ALREADY FLOODED 
RIVERS...SATURATED SOILS...AND THE ADDITIONAL RAIN EXPECTED...THE 
FLASH FLOOD WARNING HAS BEEN EXTENDED UNTIL 115 PM AST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 1795 6609 1846 6601 1845 6590 1836 6562
      1823 6559 1799 6586 1793 6600

$$

JJA

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

141 
WGCA72 TJSJ 221712
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
112 PM AST MON AUG 22 2011

PRC015-025-029-031-037-053-063-069-077-085-087-089-095-103-109-119-
129-139-151-221720-
/O.EXP.TJSJ.FF.W.0102.000000T0000Z-110822T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAGUAS PR-JUNCOS PR-GURABO PR-SAN LORENZO PR-TRUJILLO ALTO PR-
LAS PIEDRAS PR-ARROYO PR-LUQUILLO PR-PATILLAS PR-MAUNABO PR-
NAGUABO PR-CEIBA PR-CANOVANAS PR-FAJARDO PR-CAROLINA PR-HUMACAO PR-
LOIZA PR-RIO GRANDE PR-YABUCOA PR-
112 PM AST MON AUG 22 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 115 PM AST FOR YABUCOA...
RIO GRANDE...LOIZA...HUMACAO...CAROLINA...FAJARDO...CANOVANAS...
CEIBA...NAGUABO...MAUNABO...PATILLAS...LUQUILLO...ARROYO...LAS
PIEDRAS...TRUJILLO ALTO...SAN LORENZO...GURABO...JUNCOS AND CAGUAS
MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. HOWEVER...ISOLATED MODERATE SHOWERS 
WILL AFFECT ISOLATED SECTIONS OF EASTERN PUERTO RICO.

LAT...LON 1795 6609 1846 6601 1845 6590 1836 6562
      1823 6559 1799 6586 1793 6600

$$

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 21, 8:54 PM CDT	Flash Flood Warning	JSJ	12 hr
Aug 21, 10:31 PM CDT	Flash Flood Warning	JSJ	9 hr
Aug 21, 11:26 PM CDT	Flash Flood Warning	JSJ	10 hr
Aug 22, 5:56 AM CDT	Flash Flood Warning	JSJ	4 hr
Aug 22, 6:26 AM CDT	Small Craft Advisory	JSJ	13 hr
Aug 22, 7:30 AM CDT	Flash Flood Warning	JSJ	2 hr
Aug 22, 8:44 AM CDT	Flash Flood Warning	JSJ	2 hr
Aug 22, 9:29 AM CDT	Areal Flood Warning	JSJ	21 hr
Aug 22, 10:14 AM CDT	Areal Flood Warning	JSJ	58 hr
Aug 22, 10:28 AM CDT	Areal Flood Advisory	JSJ	6 hr
Aug 22, 12:20 PM CDT	Areal Flood Warning	JSJ	13 hr
Aug 22, 12:52 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 2:33 PM CDT	Areal Flood Warning	JSJ	9 hr
Aug 22, 3:51 PM CDT	Areal Flood Warning	JSJ	9 hr
Aug 22, 4:06 PM CDT	Flash Flood Warning	JSJ	6 hr
Aug 22, 5:17 PM CDT	Flash Flood Warning	JSJ	6 hr
Aug 22, 5:35 PM CDT	Areal Flood Advisory	JSJ	7 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; local storm reports from the same archive.