Flash Flood Warning 22, NWS JSJ

Issued

May 10, 2012, 7:25 AM CDT (12:25 UTC)

Expired

May 10, 2012, 10:15 AM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 39 km from the middle of the area, began a volume at 12:28 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

873 
WGCA52 TJSJ 101225
FFWSJU
PRC037-053-069-103-101515-
/O.NEW.TJSJ.FF.W.0022.120510T1225Z-120510T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
825 AM AST THU MAY 10 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CEIBA
     NAGUABO
     FAJARDO
     HUMACAO

* UNTIL 1115 AM AST

* AT 820 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SHOWERS AND ISOLATED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN 
AFFECTING THESE MUNICIPALITIES. RADAR ESTIMATES AND U.S.G.S. RAIN 
GAGES INDICATE THAT 2 TO 3 INCHES OF RAIN HAVE ALREADY FALLEN OVER 
PARTS OF THE WARNING AREA AND IT CONTINUED TO RAIN. ADDITIONAL 
RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED THROUGH 1115 AM AST. 
STREAMS AND RIVERS WILL CONTINUE TO OVERFLOW THEIR BANKS AND FLOOD 
NEARBY AREAS. DO NOT ATTEMPT TO CROSS ANY FLOODED AREAS BY CAR OR 
FOOT. MUDSLIDES ARE POSSIBLE OVER AREAS OF STEEP TERRAIN.

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. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART 
CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 1828 6562 1822 6565 1817 6571 1818 6572
      1817 6573 1816 6572 1815 6574 1815 6575
      1809 6581 1813 6585 1825 6579 1832 6568

$$

BCS/AAS/JJA

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

075 
WGCA72 TJSJ 101509
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1109 AM AST THU MAY 10 2012

PRC037-053-069-103-101516-
/O.EXP.TJSJ.FF.W.0022.000000T0000Z-120510T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEIBA PR-NAGUABO PR-FAJARDO PR-HUMACAO PR-
1109 AM AST THU MAY 10 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1115 AM AST FOR HUMACAO...
FAJARDO...NAGUABO AND CEIBA 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...THERE IS A 
CHANCE OF ADDITIONAL SHOWERS LATER IN THE AFTERNOON.

RESIDENTS AND MOTORISTS ACROSS THESE AREAS SHOULD BE ALERT TO 
PONDING OF WATER ON ROADWAYS AND ALLOW TIME FOR STREAMS...CREEKS AND 
RIVERS TO RETURN TO NORMAL LEVELS.

LAT...LON 1828 6562 1822 6565 1817 6571 1818 6572
      1817 6573 1816 6572 1815 6574 1815 6575
      1809 6581 1813 6585 1825 6579 1832 6568

$$

JJA

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

Flash Flood Warnings in Puerto Rico, 2012Every flash flood warning in 2012

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; radar from the NEXRAD Level II archive.