Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 39, NWS JSJ

May 27, 2011

NWS JSJ issued this flash flood warning at May 27, 2011, 2:04 PM CDT. It was in force for 4 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 27, 2011, 2:04 PM CDT (19:04 UTC)
Expired
May 27, 2011, 6:16 PM CDT
In force
4 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 21 km from the middle of the area, began a volume at 19:05 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.

What was reported inside it

TimeReportWhereRemark
May 27, 2:12 PM CDTFLOODCaguas, PRROAD 763 AT BARRIO BORINQUEN IN CAGUAS WAS REPORTED FLOODED WITH A CAR STRANDED.
May 27, 2:12 PM CDTHEAVY RAIN 0Caguas, PRURB. TURABO HEIGHTS IN CAGUAS WAS REPORTED FLOODED.

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

The text

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

721 
WGCA52 TJSJ 271904
FFWSJU
PRC025-063-139-280000-
/O.NEW.TJSJ.FF.W.0039.110527T1904Z-110528T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
304 PM AST FRI MAY 27 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAGUAS
     GURABO
     TRUJILLO ALTO

* UNTIL 800 PM AST

* AT 301 PM AST..U.S.G.S RIVER SENSOR INDICATED RIO CAGUITAS AT 
VILLA BLANCA IN CAGUAS...RISING RAPIDLY. THE RIVER WAS ONE FOOT 
BELOW FLOOD STAGE. PEOPLE ALONG THIS RIVER AND TRIBUTARIES SHOULD 
TAKE QUICK ACTIONS AND MOVE TO HIGHER GROUND IMMEDIATELY.

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 1835 6603 1835 6598 1823 6599 1822 6607

$$

CASTRO

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
635 
WGCA72 TJSJ 272316
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
716 PM AST FRI MAY 27 2011

PRC025-063-139-272323-
/O.CAN.TJSJ.FF.W.0039.000000T0000Z-110528T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAGUAS PR-GURABO PR-TRUJILLO ALTO PR-
716 PM AST FRI MAY 27 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR TRUJILLO ALTO...
GURABO AND CAGUAS MUNICIPALITIES...

LATEST READINGS OF THE RIO GRANDE DE LOIZA NEAR TRUJILLO ALTO 
INDICATED THAT THE RIVER HAS CRESTED AND IS NOW FALLING AND FLOODING 
IS NO LONGER EXPECTED. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN 
CANCELLED.

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


LAT...LON 1835 6603 1835 6598 1823 6599 1822 6607

$$

ER

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
May 26, 7:52 PM CDTSpecial Marine WarningJSJ53 min
May 26, 8:48 PM CDTSpecial Marine WarningJSJ57 min
May 26, 10:02 PM CDTAreal Flood AdvisoryJSJ2 hr
May 27, 12:48 PM CDTAreal Flood AdvisoryJSJ3 hr
May 27, 1:52 PM CDTAreal Flood AdvisoryJSJ3 hr
May 27, 1:55 PM CDTAreal Flood AdvisoryJSJ3 hr
May 27, 2:58 PM CDTAreal Flood AdvisoryJSJ2 hr
May 27, 3:38 PM CDTFlash Flood WarningJSJ3 hr
May 27, 5:10 PM CDTFlash Flood WarningJSJ6 hr
May 27, 5:55 PM CDTAreal Flood AdvisoryJSJ71 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; local storm reports from the same archive; radar from the NEXRAD Level II archive.