Flash Flood Warning 41, NWS JSJ

Issued

Sep 5, 2009, 9:45 AM CDT (14:45 UTC)

Expired

Sep 5, 2009, 12:45 PM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 19 km from the middle of the area, began a volume at 14:48 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.

000 
WGCA52 TJSJ 051445
FFWSJU
PRC095-109-151-051745-
/O.NEW.TJSJ.FF.W.0041.090905T1445Z-090905T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1045 AM AST SAT SEP 5 2009

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     PATILLAS
     MAUNABO
     YABUCOA

* UNTIL 145 PM AST

* AT 1039 AM AST...USGS SENSORS INDICATED RIO GUAYANES AT YABUCOA 
AND CENTRAL ROIG WERE ABOVE FLOOD STAGE WITH LIGHT RAIN STILL 
FALLING. RIO PATILLAS HAS SHOWN A DOWNWARD TREND RECENTLY BUT 
ADDITIONAL RAIN COULD BRING THE RIVER CLOSED TO FLOOD STAGE AGAIN. 

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 1797 6602 1808 6607 1809 6593 1807 6577
      1802 6581 1797 6590

$$

ROSA

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

000 
WGCA72 TJSJ 051735
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
135 PM AST SAT SEP 5 2009

PRC095-109-151-051745-
/O.EXP.TJSJ.FF.W.0041.000000T0000Z-090905T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PATILLAS PR-MAUNABO PR-YABUCOA PR-
135 PM AST SAT SEP 5 2009

...THE FLASH FLOOD WARNING WILL EXPIRE AT 145 PM AST FOR YABUCOA...
MAUNABO AND PATILLAS MUNICIPALITIES...

DOPPLER RADAR HAS INDICATED THAT THE HEAVY RAIN WHICH IS AFFECTING 
THIS AREA IS CONTINUING TO DISSIPATE. NO SIGNIFICANT ADDITIONAL 
RAINFALL IS EXPECTED ACROSS THE AREA WITHIN THE NEXT SEVERAL HOURS.  
BE ADVISED HOWEVER...THAT RUNOFF WILL CONTINUE FOR THE NEXT SEVERAL 
HOURS AND PONDING OF LOW LYING AREAS IS THEREFORE STILL POSSIBLE.  
PLEASE DRIVE SAFELY IF YOU ARE ON THE ROADS THIS AFTERNOON.

LAT...LON 1797 6602 1808 6607 1809 6593 1807 6577
      1802 6581 1797 6590

$$

RA

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

Flash Flood Warnings in Puerto Rico, 2009Every flash flood warning in 2009

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.