Alert archive / Puerto Rico / Flash Flood Warnings in 2012

Flash Flood Warning 5, NWS JSJ

March 25, 2012

NWS JSJ issued this flash flood warning at Mar 25, 2012, 2:23 PM CDT. It was in force for 4 hr. 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: Mar 25, 2012, 2:23 PM CDT (19:23 UTC)
Expired: Mar 25, 2012, 6:20 PM CDT
In force: 4 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 46 km from the middle of the area, began a volume at 19:23 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
Mar 25, 2:40 PM CDT	FLOOD	Fajardo, PR	RIO FAJARDO OUT OF ITS BANKS...OVER ROAD 3.

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.

061 
WGCA52 TJSJ 251923
FFWSJU
PRC037-053-252115-
/O.NEW.TJSJ.FF.W.0005.120325T1923Z-120325T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
323 PM AST SUN MAR 25 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CEIBA
     FAJARDO

* UNTIL 515 PM AST

* AT 314 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FOR VERY HEAVY RAIN TO CONTINUE THROUGH 4 PM AST OVER THE WARNED 
AREA.

FOR THE FAJARDO RIVER NEAR FAJARDO- FAEP4
     FLOOD STAGE - 8 FEET.
     BASED ON RADAR RAINFALL SO FAR OVER THE AREA IT IS EXPECTED     
     THAT THE FAJARDO RIVER WILL FLOOD BY 3:30 PM AST AND POSSIBLY   
     INUNDATE HIGHWAYS 53 AND 3 WHERE THEY INTERSECT.

     MINOR FLOODING IS FORECAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1829 6573 1831 6570 1834 6565 1833 6563
      1832 6564 1828 6567 1826 6571 1827 6575

$$

SNELL

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

2 follow-up statements

468 
WGCA52 TJSJ 252109
FFWSJU
PRC037-053-252315-
/O.EXT.TJSJ.FF.W.0005.000000T0000Z-120325T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
509 PM AST SUN MAR 25 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CEIBA
     FAJARDO

* UNTIL 715 PM AST

* AT 500 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  ADDITIONAL HEAVY RAIN ENTERING THE WARNED AREA.

THE FAJARDO RIVER HAS BEEN FLOODED SINCE BEFORE 3:30 PM AST AND 
EMERGENCY MANAGEMENT HAS SENT CITIZEN PICTURES SHOWING THAT FLOOD 
WATERS CONTINUE ACROSS HIGHWAY 3 NEAR THE INTERSECTION OF HIGHWAY 
53. THE RIVER SENSOR DATA IS DELAYED BY ONE HOUR...BUT LATEST 
READING SHOW THAT THE FAJARDO WAS STILL JUST ABOVE FLOOD STAGE OF 8 
FEET. THEREFORE THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS 
EXTENDED THE FLASH FLOOD WARNING UNTIL 7:15 PM AST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 1829 6573 1831 6570 1834 6565 1833 6563
      1832 6564 1828 6567 1826 6571 1827 6575

$$

SNELL

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

774 
WGCA72 TJSJ 252314
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
714 PM AST SUN MAR 25 2012

PRC037-053-252321-
/O.EXP.TJSJ.FF.W.0005.000000T0000Z-120325T2320Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEIBA PR-FAJARDO PR-
714 PM AST SUN MAR 25 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 715 PM AST FOR FAJARDO AND
CEIBA MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD MOVED AWAY OVER THE COASTAL WATERS. NO SIGNIFICANT HEAVY 
RAINFALL IS EXPECTED ACROSS THESE AREAS TONIGHT. THEREFORE...THE 
FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE AT 715 PM AST.

HOWEVER...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.

LAT...LON 1829 6573 1831 6570 1834 6565 1833 6563
      1832 6564 1828 6567 1826 6571 1827 6575

$$

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
Mar 24, 8:31 PM CDT	Areal Flood Advisory	JSJ	59 min
Mar 24, 10:35 PM CDT	Areal Flood Advisory	JSJ	115 min
Mar 25, 12:57 AM CDT	Areal Flood Advisory	JSJ	7 hr
Mar 25, 3:05 AM CDT	Areal Flood Advisory	JSJ	5 hr
Mar 25, 11:51 AM CDT	Areal Flood Advisory	JSJ	4 hr
Mar 25, 12:20 PM CDT	Areal Flood Advisory	JSJ	3 hr
Mar 25, 1:17 PM CDT	Areal Flood Advisory	JSJ	3 hr
Mar 25, 4:15 PM CDT	Areal Flood Advisory	JSJ	2 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2012 Every flash flood warning in 2012

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.