Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 60, NWS JSJ

June 7, 2011

NWS JSJ issued this flash flood warning at Jun 7, 2011, 7:47 PM CDT. It was in force for 2 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
Jun 7, 2011, 7:47 PM CDT (00:47 UTC)
Expired
Jun 7, 2011, 10:07 PM CDT
In force
2 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 55 km from the middle of the area, began a volume at 00:48 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.

The text

As transmitted, in the capitals the NWS used until 2016.

099 
WGCA52 TJSJ 080047
FFWSJU
PRC113-080345-
/O.NEW.TJSJ.FF.W.0060.110608T0047Z-110608T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
847 PM AST TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     PONCE

* UNTIL 1145 PM AST

* AT 844 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
HEAVY RAIN OVER NORTHERN PORTIONS OF PONCE. THIS RAIN WILL CAUSE 
FLOODING ALONG RIO CERRILLOS AND RIO INABON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1792 6651 1796 6653 1795 6671 1797 6668
      1813 6668 1817 6661 1810 6654 1788 6650
      1789 6654

$$

JJA/LFR

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
2 follow-up statements
123 
WGCA72 TJSJ 080118
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
918 PM AST TUE JUN 7 2011

PRC113-080345-
/O.CON.TJSJ.FF.W.0060.000000T0000Z-110608T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PONCE PR-
918 PM AST TUE JUN 7 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM AST FOR
PONCE MUNICIPALITY...

...MINOR FLOODING IS OCCURRING ALONG THE CERRILLOS RIVER AND 
MODERATE FLOODING IS EXPECTED.

AT 907 PM AST...USGS SENSORS INDICATED THE CERRILLOS RIVER IN PONCE 
WAS AT 6.41 FEET AND RISING RAPIDLY AND FLOOD STAGE IS 6 FEET. RAINS 
CONTINUE TO FALL ACROSS NORTHERN PORTIONS OF PONCE ALTHOUGH RADAR 
TRENDS SUGGEST RAINS HAVE DIMINISHED SOMEWHAT IN THE LAST 30 
MINUTES. UP TO 4 INCHES MAY HAVE FALLEN ACROSS NORTHERN PONCE AND 
THIS WATER WILL CONTINUE TO FLOW DOWNSTREAM CAUSING MODERATE 
FLOODING ALONG THE CERRILLOS RIVER. 

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 1792 6651 1796 6653 1795 6671 1797 6668
      1813 6668 1817 6661 1810 6654 1788 6650
      1789 6654

$$

ROSA

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
376 
WGCA72 TJSJ 080307
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1107 PM AST TUE JUN 7 2011

PRC113-080317-
/O.CAN.TJSJ.FF.W.0060.000000T0000Z-110608T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PONCE PR-
1107 PM AST TUE JUN 7 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR PONCE
MUNICIPALITY...

RAIN HAS ENDED ACROSS THE AREA AND RIVERS HAVE FALLEN BELOW FLOOD 
STAGE.

LAT...LON 1792 6651 1796 6653 1795 6671 1797 6668
      1813 6668 1817 6661 1810 6654 1788 6650
      1789 6654

$$

ROSA

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.

IssuedProductOfficeCountiesLasted
Jun 7, 7:19 PM CDTAreal Flood AdvisoryJSJ3 hr
Jun 7, 8:14 PM CDTFlash Flood WarningJSJ9 hr
Jun 7, 8:58 PM CDTFlash Flood WarningJSJ3 hr
Jun 7, 9:03 PM CDTAreal Flood AdvisoryJSJ117 min
Jun 7, 9:17 PM CDTFlash Flood WarningJSJ3 hr
Jun 7, 9:37 PM CDTSpecial Marine WarningJSJ113 min
Jun 7, 11:27 PM CDTSpecial Marine WarningJSJ2 hr
Jun 7, 11:35 PM CDTFlash Flood WarningJSJ105 min
Jun 8, 12:02 AM CDTSpecial Marine WarningJSJ118 min
Jun 8, 12:10 AM CDTFlash Flood WarningJSJ3 hr
Jun 8, 1:17 AM CDTSpecial Marine WarningJSJ118 min
Jun 8, 5:15 AM CDTAreal Flood WarningJSJ10 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2011Every 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.