Flash Flood Warning 20, NWS JSJ

Issued

Apr 22, 2007, 9:09 PM CDT (02:09 UTC)

Expired

Oct 27, 2007, 12:00 PM CDT

In force

188 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 02:13 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 230213
FFWSJU
PRC031-127-137-230515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1009 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 115 AM AST

* AT 1007 PM AST...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH 
FLOODING FROM RECENT RAINFALL OVER THE WARNED AREA.

*THE FLOOD WATERS HAVE BEEN SLOW TO SUBSIDE DUE TO SOME RESIDUAL 
MODERATE TO HEAVY RAIN IN THE WARNED AREA. THIS 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.

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

LAT...LON 1838 6599 1844 6599 1846 6602 1846 6618
      1846 6607 1849 6604 1846 6596 1828 6591
      1828 6591

$$

SNELL

000 
WGCA52 TJSJ 271403
FFWSJU
PRC009-015-025-029-035-037-041-053-057-063-069-077-085-089-095-103-
109-119-123-129-133-151-271700-
/O.NEW.TJSJ.FF.W.0020.071027T1359Z-071027T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1000 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
     CAGUAS
     CIDRA
     CAYEY
     AIBONITO
     JUNCOS
     GURABO
     SAN LORENZO
     LAS PIEDRAS
     ARROYO
     LUQUILLO
     PATILLAS
     MAUNABO
     NAGUABO
     CEIBA
     CANOVANAS
     GUAYAMA
     FAJARDO
     HUMACAO
     SALINAS
     SANTA ISABEL
     RIO GRANDE
     YABUCOA

* UNTIL 100 PM AST

* AT 955 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND LOCAL 
EMERGENCY MANAGERS INDICATED SHOWERS AND ISOLATED THUNDERSTORMS WITH 
VERY HEAVY RAIN AFFECTING THESE AREAS. ADDITIONAL RAINFALL AMOUNTS 
OF 1 TO 3 INCHES WILL OCCUR THROUGH 100 PM AND THIS WILL RESULT IN 
NEW FLASH FLOODING OF LOW LYING AREAS...ROADS...RIVERS 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 1802 6633 1819 6619 1827 6588 1842 6579
      1840 6550 1820 6559 1814 6570 1792 6590
      1792 6634
TIME...MOT...LOC 1359Z 180DEG 0KT 1802 6603

$$

BCS/RAM

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.