Flash Flood Warning 117, NWS JSJ

Issued

Aug 23, 2011, 7:03 AM CDT (12:03 UTC)

Expired

Aug 23, 2011, 10:00 AM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 41 km from the middle of the area, began a volume at 12:06 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.

327 
WGCA52 TJSJ 231203
FFWSJU
PRC029-031-037-053-063-069-077-085-089-095-103-119-129-151-231500-
/O.NEW.TJSJ.FF.W.0117.110823T1203Z-110823T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
803 AM AST TUE AUG 23 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CANOVANAS
     CEIBA
     GURABO
     NAGUABO
     JUNCOS
     LAS PIEDRAS
     MAUNABO
     SAN LORENZO
     YABUCOA
     FAJARDO
     CAROLINA
     LUQUILLO
     HUMACAO
     RIO GRANDE

* UNTIL 1100 AM AST

* AT 757 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A LINE OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINS OVER THE 
EASTERN THIRD OF PUERTO RICO MOVING TO THE NORTH REPEATEDLY OVER THE 
SAME AREAS. RAINFALL RATES AS HIGH AS FOUR INCHES PER HOUR HAVE BEEN 
OBSERVED WITH THIS LINE. THIS WILL RESULT IN FLASH FLOODING OF SMALL 
STREAMS AND RIVERS IN THE EASTERN THIRD OF PUERTO RICO. 

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 1843 6579 1839 6574 1837 6568 1840 6559
      1837 6558 1839 6560 1835 6562 1827 6562
      1825 6558 1819 6563 1818 6572 1815 6572
      1815 6576 1800 6583 1800 6592 1818 6594
      1835 6592 1843 6583

$$

ROSA

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

289 
WGCA72 TJSJ 231457
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1057 AM AST TUE AUG 23 2011

PRC029-031-037-053-063-069-077-085-089-095-103-119-129-151-231502-
/O.EXP.TJSJ.FF.W.0117.000000T0000Z-110823T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JUNCOS PR-GURABO PR-SAN LORENZO PR-LAS PIEDRAS PR-LUQUILLO PR-
MAUNABO PR-NAGUABO PR-CEIBA PR-CANOVANAS PR-FAJARDO PR-CAROLINA PR-
HUMACAO PR-RIO GRANDE PR-YABUCOA PR-
1057 AM AST TUE AUG 23 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1100 AM AST FOR YABUCOA...
RIO GRANDE...HUMACAO...CAROLINA...FAJARDO...CANOVANAS...CEIBA...
NAGUABO...MAUNABO...LUQUILLO...LAS PIEDRAS...SAN LORENZO...GURABO AND
JUNCOS MUNICIPALITIES...


DOPPLER RADAR INDICATES THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. THE POTENTIAL FOR ADDITIONAL RAINFALL 
ACROSS THESE AREAS EXISTS THROUGHOUT THE MORNING INTO THE AFTERNOON 
HOURS...CONTINUE TO MONITOR FOR ANY UPDATES ON FUTURE FLOODING IN 
THESE AREAS.

IN ADDITION...AN AREAL FLOOD WARNING WILL BE ISSUED FOR PORTIONS OF 
THE RIO GRANDE DE LOIZA...TO INCLUDE THE GURABO AREA.

LAT...LON 1843 6579 1839 6574 1837 6568 1840 6559
      1837 6558 1839 6560 1835 6562 1827 6562
      1825 6558 1819 6563 1818 6572 1815 6572
      1815 6576 1800 6583 1800 6592 1818 6594
      1835 6592 1843 6583

$$

AAS

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

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

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.