Alert archive / Puerto Rico / Flash Flood Warnings in 2007

Flash Flood Warning 38, NWS JSJ

May 6, 2007

NWS JSJ issued this flash flood warning at May 6, 2007, 6:06 PM CDT. It took effect at May 6, 2007, 6:15 PM CDT. It was in force for 175 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 6, 2007, 6:06 PM CDT (23:06 UTC)
In effect from: May 6, 2007, 6:15 PM CDT
Expired: Oct 28, 2007, 2:15 PM CDT
In force: 175 days
Issued by: NWS JSJ
Area: Counties, with a storm outline in the text
Flood severity: None

The radar

The San Juan radar (TJUA), 132 km from the middle of the area, began a volume at 23:06 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.

000 
WGCA52 TJSJ 062315 CCA
FFWSJU
PRC143-145-070100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
706 PM AST SUN MAY 6 2007

CORRECTION TO EXCLUDE DORADO

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING CONTINUES FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     VEGA ALTA
     VEGA BAJA

* UNTIL 9:00 PM AST

* AT 7 PM AST...THE USGS RIVER LEVEL SENSOR ALONG RIO CIBUCO IN VEGA 
  BAJA A FEW MILES FROM THE COAST SHOWED THAT THE RIVER CONTINUED TO 
  RISE. LOCAL EMERGENCY MANAGEMENT OFFICIALS HAD REPORTED EARLIER    
  THAT THE RIVER WAS OUT OF ITS BANKS AND FLOODING HIGHWAY 620.      
  CONDITIONS HAVE NOT LIKELY IMPROVED...AND THE WARNING WILL BE      
  EXTENDED THROUGH 9 PM. 

RIVER FLOODING IS OCCURRING. 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.

LAT...LON 1838 6640 1838 6633 1850 6631 1850 6640

$$

1 follow-up statement

000 
WGCA52 TJSJ 281728
FFWSJU
VIC010-020-030-281915-
/O.NEW.TJSJ.FF.W.0038.071028T1720Z-071028T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING ISLANDS

  IN THE U.S. VIRGIN ISLANDS
     SAINT JOHN
     SAINT THOMAS
     SAINT CROIX

* UNTIL 315 PM AST

* AT 123 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND 
EMERGENCY MANAGEMENT PERSONNEL CONTINUED TO INDICATE SHOWERS AND 
ISOLATED THUNDERSTORMS WITH MODERATE TO HEAVY RAIN AND STRONG AND 
GUSTY WINDS AFFECTING THESE ISLANDS. IN ADDITION...SOME STREET AND 
LOW LYING FLOODING HAS ALREADY BEEN REPORTED IN ST CROIX AND ST 
THOMAS. ADDITIONAL RAINFALL AMOUNTS OF ONE-HALF TO 2 INCHES WILL 
OCCUR THROUGH 315 PM AND THIS WILL RESULT IN NEW FLASH FLOODING OF 
LOW LYING AREAS...ROADS...GUTS AND STREAMS...AND WILL FURTHER 
AGGRAVATE ONGOING FLOODING. IN ADDITION...MUDSLIDES ARE LIKELY OVER 
AREAS OF STEEP TERRAIN.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

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 1831 6463 1836 6463 1840 6467 1840 6484
      1845 6489 1840 6500 1843 6508 1830 6506
      1826 6473 1783 6470 1826 6473
TIME...MOT...LOC 1720Z 180DEG 0KT 1780 6480

$$

BCS

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 6, 4:20 PM CDT	Flash Flood Warning	JSJ		175 days
May 6, 6:06 PM CDT	Flash Flood Warning	JSJ		175 days

Nearby

Flash Flood Warnings in Puerto Rico, 2007 Flash Flood Warnings in U.S. Virgin Islands, 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.