Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 66, NWS JSJ

June 9, 2011

NWS JSJ issued this flash flood warning at Jun 9, 2011, 1:02 PM CDT. It was in force for 92 min. 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 9, 2011, 1:02 PM CDT (18:02 UTC)
Expired
Jun 9, 2011, 2:34 PM CDT
In force
92 min
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 32 km from the middle of the area, began a volume at 18:06 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.

The text

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

414 
WGCA52 TJSJ 091802
FFWSJU
PRC031-061-127-092000-
/O.NEW.TJSJ.FF.W.0066.110609T1802Z-110609T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
202 PM AST THU JUN 9 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     GUAYNABO
     CAROLINA
     SAN JUAN

* UNTIL 400 PM AST

* AT 154 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THAT HEAVY RAIN CONTINUES OVER THE WARNED AREA AND THE PIEDRAS RIVER 
HAS OVERFLOWED ITS BANKS AND WILL FLOOD A NUMBER OF STREETS 
INCLUDING AVENIDA BARBOSA...AVENIDA KENNEDY...ROOSEVELT AVENUE AND 
CALLE NOTRE DAME IN UNIVERSITY GARDENS. THE GAGE AT RIO PIEDRAS READ 
15.97 FEET AT 1:45 PM WHERE FLOOD STAGE IS 15 FEET.

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 1840 6614 1847 6612 1845 6598 1834 6606
      1836 6612

$$

SNELL

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
513 
WGCA72 TJSJ 091934
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
334 PM AST THU JUN 9 2011

PRC031-061-127-091943-
/O.CAN.TJSJ.FF.W.0066.000000T0000Z-110609T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAYNABO PR-CAROLINA PR-SAN JUAN PR-
334 PM AST THU JUN 9 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SAN JUAN...CAROLINA
AND GUAYNABO MUNICIPALITIES...

USGS SENSORS INDICATE THAT THE RIO PIEDRAS HAS FALLEN BELOW FLOOD 
STAGE AND RAIN CONTINUES TO DISSIPATE. MOTORISTS SHOULD BE ALERT TO 
PONDING OF WATER ON ROADWAYS.

LAT...LON 1840 6614 1847 6612 1845 6598 1834 6606
      1836 6612

$$

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 9, 11:05 AM CDTAreal Flood AdvisoryJSJ61 min
Jun 9, 11:45 AM CDTSpecial Marine WarningJSJ30 min
Jun 9, 12:22 PM CDTAreal Flood AdvisoryJSJ3 hr
Jun 9, 12:49 PM CDTSpecial Marine WarningJSJ41 min
Jun 9, 1:28 PM CDTFlash Flood WarningJSJ2 hr
Jun 9, 2:19 PM CDTSpecial Marine WarningJSJ91 min
Jun 9, 3:44 PM CDTAreal Flood AdvisoryJSJ2 hr
Jun 9, 4:41 PM CDTSpecial Marine WarningJSJ2 hr
Jun 9, 5:29 PM CDTAreal Flood AdvisoryJSJ2 hr
Jun 9, 6:49 PM CDTSpecial Marine WarningJSJ66 min

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.