Alert archive / Puerto Rico / Flash Flood Warnings in 2007

Flash Flood Warning 25, NWS JSJ

April 23, 2007

NWS JSJ issued this flash flood warning at Apr 23, 2007, 7:19 AM CDT. It was in force for 187 days. 1 report 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: Apr 23, 2007, 7:19 AM CDT (12:19 UTC)
Expired: Oct 27, 2007, 4:30 PM CDT
In force: 187 days
Issued by: NWS JSJ
Area: Counties, with a storm outline in the text
Flood severity: None

The radar

The San Juan radar (TJUA), 74 km from the middle of the area, began a volume at 12:17 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

Time	Report	Where	Remark
Sep 22, 9:35 PM CDT	HEAVY RAIN 0	Juana Diaz, PR	HEAVY RAINS ACROSS BARRIO PIEDRA GUZA CAUSED URBAN AND STREET FLOODING DUE TO POOR DRAINAGE AREAS WHERE THE FLOW OF THE RAINFALL WAS BLOCKED.

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.

000 
WGCA52 TJSJ 231222
FFWSJU
PRC013-017-065-231515-

HERE 819 AM AST THERE

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
819 AM AST MON APR 23 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  IN PUERTO RICO
     BARCELONETA
     HATILLO
     ARECIBO

* UNTIL 1115 AM AST

* AT 817 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A BAND OF HEAVY RAIN APPROACHING FROM THE NORTHEAST TOWARDS THE 
BARCELONETA...ARECIBO AND HATILLO MUNICIPALITIES. 

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

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 1839 6680 1842 6656 1851 6656 1854 6683

$$

RM

1 follow-up statement

000 
WGCA52 TJSJ 271845
FFWSJU
PRC023-055-059-075-079-111-113-121-123-125-133-153-272130-
/O.NEW.TJSJ.FF.W.0025.071027T1831Z-071027T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
231 PM 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
     SABANA GRANDE
     SAN GERMAN
     YAUCO
     GUAYANILLA
     GUANICA
     JUANA DIAZ
     PONCE
     CABO ROJO
     SALINAS
     SANTA ISABEL
     PENUELAS
     LAJAS

* UNTIL 530 PM AST

* AT 223 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR HAS BEEN 
DETECTING SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN MOVING 
NORTHWESTWARD ACROSS THE CARIBBEAN WATER TOWARDS AND INTO SOME OF 
THE SOUTH AND SOUTHWEST COAST MUNICIPALITIES OF PUERTO RICO DURING 
THE PAST FEW HOURS. ADDITIONAL SHOWERS AND STORMS WILL BE ENTERING 
THESE AREAS WITHIN THIS HOUR. PONCE SHOULD BE EXPERIENCING THE WORST 
OF THESE WEATHER CONDITIONS WITHIN THE NEXT FEW MINUTES WHILE THE 
REST OF THE WARNED AREA SHOULD BEGIN TO EXPERIENCE THE ACTIVE 
WEATHER COMING IN THROUGH THEIR AREA BETWEEN NOW AND THE NEXT HALF 
AN HOUR OR SO.

* ESTIMATED RAINFALL AMOUNTS COULD RANGE FROM ONE TO THREE INCHES 
FOR THE DURATION OF THIS FLASH FLOOD WARNING.
 
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SALINAS...
  PUERTO REAL...TALLABOA ALTA...SANTO DOMINGO...SAN GERMAN...SABANA
  GRANDE...POTALA PASTILLO...PONCE...PENUELAS...PALOMAS...YAUCO...
  LUIS LLORENS TORRES...LAS OLLAS...LAJAS...JUANA DIAZ...
  GUAYANILLA...COTO LAUREL...CABO ROJO...AGUILITA AND CAPITANEJO

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

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 1791 6722 1806 6725 1811 6661 1801 6626
      1791 6625 1788 6654 1793 6658 1791 6666
      1793 6677 1788 6691
TIME...MOT...LOC 1831Z 180DEG 0KT 1798 6690

$$

OB/BS

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Apr 22, 7:20 PM CDT	Flash Flood Warning	JSJ	187 days
Apr 22, 7:20 PM CDT	Flash Flood Warning	JSJ	187 days
Apr 22, 7:56 PM CDT	Flash Flood Warning	JSJ	187 days
Apr 22, 7:56 PM CDT	Flash Flood Warning	JSJ	188 days
Apr 22, 9:09 PM CDT	Flash Flood Warning	JSJ	188 days
Apr 22, 9:09 PM CDT	Flash Flood Warning	JSJ	188 days
Apr 22, 10:20 PM CDT	Flash Flood Watch	JSJ	54 hr
Apr 22, 11:12 PM CDT	Flash Flood Warning	JSJ	188 days
Apr 22, 11:12 PM CDT	Flash Flood Warning	JSJ	188 days
Apr 23, 1:18 AM CDT	Flash Flood Warning	JSJ	188 days
Apr 23, 7:19 AM CDT	Flash Flood Warning	JSJ	187 days
Apr 23, 7:19 AM CDT	Flash Flood Warning	JSJ	187 days
Apr 23, 7:19 AM CDT	Flash Flood Warning	JSJ	188 days
Apr 23, 10:10 AM CDT	Flash Flood Warning	JSJ	187 days
Apr 23, 10:10 AM CDT	Flash Flood Warning	JSJ	188 days

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; local storm reports from the same archive; radar from the NEXRAD Level II archive.