Alert archive / Puerto Rico / Flash Flood Warnings in 2007

Flash Flood Warning 27, NWS JSJ

April 23, 2007

NWS JSJ issued this flash flood warning at Apr 23, 2007, 7:19 AM CDT. It took effect at Apr 23, 2007, 7:24 AM CDT. It was in force for 188 days. 2 reports 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)
In effect from
Apr 23, 2007, 7:24 AM CDT
Expired
Oct 27, 2007, 7:45 PM CDT
In force
188 days
Issued by
NWS JSJ
Area
Counties, with a storm outline in the text
Flood severity
None

The radar

The San Juan radar (TJUA), 7 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

TimeReportWhereRemark
Oct 26, 11:40 PM CDTFLASH FLOOD2 Ese Yabucoa, PRHIGHWAY 901 AND QUEBRADA IN CAMINO NUEVO FLOODED.
Oct 26, 11:40 PM CDTFLASH FLOODYabucoa, PRBARRIO CALABASA FLOODED

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 272050
FFWSJU
PRC015-025-035-057-095-109-129-151-280045-
/O.NEW.TJSJ.FF.W.0027.071027T2047Z-071028T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
447 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
     CAGUAS
     CAYEY
     SAN LORENZO
     ARROYO
     PATILLAS
     MAUNABO
     GUAYAMA
     YABUCOA

* UNTIL 845 PM AST

* AT 445 PM AST...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING   
  ON    CUATRO CALLE OF ARROYO ON HIGHWAY 3 OVER THE WARNED          
  AREA. ADDITIONAL HEAVY RAIN IS AMASSING JUST SOUTH OF THE WARNED   
  AREA AND ROADS AND RIVERS WILL SOON BECOME FILLED TO BEYOND        
  CAPACITY WITH FLOOD WATERS.


* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PATILLAS...
  YABUCOA...SAN LORENZO...PLAYITA AND MARTORELL...IN SAN             
  LORENZO...SAN SALVADOR AND QUEBRADA HONDA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...ROADS
AND LANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE SUBJECT TO FLOODING.

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 1822 6598 1813 6593 1804 6579 1797 6597
      1795 6620 1809 6617 1817 6608
TIME...MOT...LOC 2047Z 330DEG 12KT 1801 6595

$$

SNELL

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 22, 7:20 PM CDTFlash Flood WarningJSJ187 days
Apr 22, 7:20 PM CDTFlash Flood WarningJSJ187 days
Apr 22, 7:56 PM CDTFlash Flood WarningJSJ187 days
Apr 22, 7:56 PM CDTFlash Flood WarningJSJ188 days
Apr 22, 9:09 PM CDTFlash Flood WarningJSJ188 days
Apr 22, 9:09 PM CDTFlash Flood WarningJSJ188 days
Apr 22, 10:20 PM CDTFlash Flood WatchJSJ54 hr
Apr 22, 11:12 PM CDTFlash Flood WarningJSJ188 days
Apr 22, 11:12 PM CDTFlash Flood WarningJSJ188 days
Apr 23, 1:18 AM CDTFlash Flood WarningJSJ188 days
Apr 23, 7:19 AM CDTFlash Flood WarningJSJ187 days
Apr 23, 7:19 AM CDTFlash Flood WarningJSJ187 days
Apr 23, 7:19 AM CDTFlash Flood WarningJSJ187 days
Apr 23, 10:10 AM CDTFlash Flood WarningJSJ187 days
Apr 23, 10:10 AM CDTFlash Flood WarningJSJ188 days

Nearby

Flash Flood Warnings in Puerto Rico, 2007Every 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.