Flash Flood Warning 16, NWS JSJ

Issued

Apr 22, 2007, 7:20 PM CDT (00:20 UTC)

Expired

Oct 27, 2007, 6:00 AM CDT

In force

187 days

Issued by

NWS JSJ

Area

Counties, with a storm outline in the text

Flood severity

None

The San Juan radar (TJUA), 14 km from the middle of the area, began a volume at 00:24 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.

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

000 
WGCA52 TJSJ 230021
FFWSJU
PRC031-127-137-230215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
820 PM AST SUN APR 22 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  IN PUERTO RICO
     CAROLINA
     SAN JUAN
     TOA BAJA

* UNTIL 1015 PM AST

* AT 811 PM AST...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH  
FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* THE STORM PRODUCING FLASH FLOODING IS MAINLY AFFECTING URBAN AND 
SUBURBAN AREAS INCLUDING BUT NOT LIMITED TO BARRIO OBRERO...VILLA 
PALMERAS...HATO REY...AND SANTURCE.

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 1844 6602 1844 6607 1846 6610 1846 6613
      1846 6604 1844 6602 1844 6599 1841 6599

$$

SNELL

000 
WGCA52 TJSJ 270903
FFWSJU
PRC015-057-095-109-123-151-271100-
/O.NEW.TJSJ.FF.W.0016.071027T0901Z-071027T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
501 AM AST SAT OCT 27 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     ARROYO
     PATILLAS
     MAUNABO
     GUAYAMA
     SALINAS
     YABUCOA

* UNTIL 700 AM AST

* AT 455 AM AST...NWS DOPPLER RADAR INDICATED SHOWERS AND            
  THUNDERSTORMS BEGINNING TO MOVE ASHORE ACROSS SOUTHEASTERN         
  SECTIONS OF PUERTO RICO EARLY THIS MORNING...PRODUCING MODERATE TO 
  HEAVY RAIN. SOILS ARE SATURATED AND CANNOT RETAIN ANY ADDITIONAL   
  RAINFALL TODAY...AND FLASH FLOODING WILL OCCUR ACROSS THESE AREAS. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...ROADS...AS WELL AS LAND ALONG THE BANKS OF
CREEKS AND STREAMS.

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 6634 1802 6633 1808 6596 1813 6591
      1806 6579 1792 6590 1793 6600 1790 6603
TIME...MOT...LOC 0901Z 180DEG 0KT 1802 6603

$$

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

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.