Alert archive / Puerto Rico / Flash Flood Warnings in 2014

Flash Flood Warning 12, NWS JSJ

August 22, 2014

NWS JSJ issued this flash flood warning at Aug 22, 2014, 3:02 PM CDT. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 22, 2014, 3:02 PM CDT (20:02 UTC)
Expired: Aug 22, 2014, 8:00 PM CDT
In force: 5 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 17 km from the middle of the area, began a volume at 20:01 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.

728 
WGCA52 TJSJ 222002
FFWSJU
PRC009-035-041-057-123-222300-
/O.NEW.TJSJ.FF.W.0012.140822T2002Z-140822T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
402 PM AST FRI AUG 22 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAYEY
     CIDRA
     GUAYAMA
     SALINAS
     AIBONITO

* UNTIL 700 PM AST

* AT 358 PM AST...WEATHER DOPPLER RADAR INDICATED HEAVY SHOWER 
ACTIVITY CONTINUING IN THE WARNED AREA. THIS RAINFALL IN ADDITION TO 
THE RAINFALL THAT HAS ALREADY OCCURRED...WILL RESULT IN CONTINUED 
RAPID RISES ON AREA RIVERS AND STREAMS.

USGS RAIN GAGE RAINFALL TOTALS INDICATE THAT MORE THAN 3.0 INCHES OF 
RAINFALL HAVE ALREADY FALLEN TODAY WITH ADDITIONAL RAINFALL 
EXPECTED. EXCESSIVE RUNOFF WILL CAUSE FLOODING OF CREEKS AND 
STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO 
TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 1791 6625 1807 6626 1817 6624 1815 6613
      1811 6608 1792 6615 1793 6620 1791 6622

$$

AAS

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

2 follow-up statements

210 
WGCA52 TJSJ 222254
FFWSJU
PRC009-035-041-057-123-230100-
/O.EXT.TJSJ.FF.W.0012.000000T0000Z-140823T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
654 PM AST FRI AUG 22 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAYEY
     CIDRA
     GUAYAMA
     SALINAS
     AIBONITO

* UNTIL 900 PM AST

* AT 646 PM AST...DOPPLER RADAR INDICATES SHOWER ACTIVITY WILL 
CONTINUE ON AND OFF OVER THE NEXT FEW HOURS ACROSS THE WARNED AREA. 
EXTENSIVE RUNOFF FROM RECENT HEAVY RAINFALL AND THE ADDITIONAL
RAINFALL THAT IS EXPECTED...WILL RESULT IN CONTINUED RISES ON AREA 
RIVERS AND STREAMS...THEREFORE THE FLASH FLOOD WARNING WILL BE 
EXTENDED THROUGH 900 PM AST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 1791 6625 1807 6626 1817 6624 1815 6613
      1811 6608 1792 6615 1793 6620 1791 6622

$$

AAS/RAM

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

129 
WGCA72 TJSJ 230056
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
856 PM AST FRI AUG 22 2014

PRC009-035-041-057-123-230101-
/O.EXP.TJSJ.FF.W.0012.000000T0000Z-140823T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAYEY PR-CIDRA PR-GUAYAMA PR-SALINAS PR-AIBONITO PR-
856 PM AST FRI AUG 22 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 900 PM AST FOR AIBONITO...
SALINAS...GUAYAMA...CIDRA AND CAYEY MUNICIPALITIES...

RESIDENTS AND MOTORISTS ACROSS THESE AREAS SHOULD BE ALERT TO 
PONDING OF WATER ON ROADWAYS AND ALLOW TIME FOR STREAMS...CREEKS AND 
RIVERS TO RETURN TO NORMAL LEVELS.

THE RISK OF SHOWERS AND THUNDERSTORMS REMAIN HIGH ACROSS THE 
FORECAST AREA...THEREFORE ADDITIONAL SHOWERS CAN BE POSSIBLE LATER 
TONIGHT. AS A RESULT...A FLOOD WATCH REMAINS IN EFFECT THROUGH 800 
AM AST SATURDAY.

LAT...LON 1791 6625 1807 6626 1817 6624 1815 6613
      1811 6608 1792 6615 1793 6620 1791 6622

$$

ER

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Aug 21, 7:55 PM CDT	Areal Flood Advisory	JSJ	110 min
Aug 22, 6:17 AM CDT	Areal Flood Advisory	JSJ	118 min
Aug 22, 6:52 AM CDT	Areal Flood Advisory	JSJ	9 hr
Aug 22, 8:51 AM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 9:16 AM CDT	Areal Flood Advisory	JSJ	7 hr
Aug 22, 11:42 AM CDT	Flash Flood Warning	JSJ	2 hr
Aug 22, 11:50 AM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 12:18 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 12:50 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 1:43 PM CDT	Flash Flood Warning	JSJ	6 hr
Aug 22, 1:57 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 2:58 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 3:49 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 5:08 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 22, 5:13 PM CDT	Areal Flood Advisory	JSJ	2 hr
Aug 22, 6:54 PM CDT	Areal Flood Advisory	JSJ	96 min

Nearby

Flash Flood Warnings in Puerto Rico, 2014 Every flash flood warning in 2014

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.