Alert archive / Puerto Rico / Flash Flood Warnings in 2007

Flash Flood Warning 41, NWS JSJ

May 31, 2007

NWS JSJ issued this flash flood warning at May 31, 2007, 3:51 PM CDT. It took effect at May 31, 2007, 3:58 PM CDT. It was in force for 150 days. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 31, 2007, 3:51 PM CDT (20:51 UTC)
In effect from: May 31, 2007, 3:58 PM CDT
Expired: Oct 28, 2007, 4:45 PM CDT
In force: 150 days
Issued by: NWS JSJ
Area: Counties, with a storm outline in the text
Flood severity: None

The radar

The San Juan radar (TJUA), 37 km from the middle of the area, began a volume at 20:55 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.

624 
WGCA52 TJSJ 312058
FFWSJU
PRC003-312145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
451 PM AST THU MAY 31 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     AGUADA

* UNTIL 545 PM AST

* AT 449 PM AST...A TRAINED WEATHER SPOTTER REPORTED FLASH FLOODING 
AT LOS LEONES BRIDGE IN AGUADA SINCE RIVER CANAS WAS REPORTED OUT OF 
ITS BANKS. LOW LYING AREAS AROUND THE JUAN 23 SECTOR...ROADS 4417 
AND ROAD 418 A COLOSO CENTRAL ARE LIKELY TO SUFFER FLASH FLOODING. 


EXCESSIVE RUNOFF FROM HEAVY RAINFALL THIS AFTERNOON WILL CAUSE 
FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS ... HIGHWAYS 
...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW 
LYING SPOTS.

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 1833 6718 1833 6715 1838 6716 1838 6720

$$

RM

1 follow-up statement

000 
WGCA52 TJSJ 281848
FFWSJU
PRC037-053-089-119-282145-
/O.NEW.TJSJ.FF.W.0041.071028T1841Z-071028T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
241 PM AST SUN OCT 28 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     LUQUILLO
     CEIBA
     FAJARDO
     RIO GRANDE

* UNTIL 545 PM AST

* AT 237 PM AST...DOPPLER WEATHER RADAR...LOCAL EMERGENCY MANAGERS 
AND LOCAL PUBLIC REPORTED HEAVY RAINS ACROSS THESE AREAS. ALSO... 
U.S.G.S. SENSORS ACROSS THESE AREAS INCLUDING THAT AROUND RIO 
FAJARDO CONTINUE TO SHOW RAPID RISES IN THE WATER LEVELS.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER 
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO 
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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 1829 6588 1843 6587 1836 6561 1826 6565
      1828 6579 1830 6581 1829 6583
TIME...MOT...LOC 1841Z 180DEG 0KT 1832 6569

$$
RAM

Nearby

Flash Flood Warnings in Puerto Rico, 2007 Every flash flood warning in 2007

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.