Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 106, NWS JSJ

August 22, 2011

NWS JSJ issued this flash flood warning at Aug 22, 2011, 5:17 PM CDT. It was in force for 6 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, 2011, 5:17 PM CDT (22:17 UTC)
Expired
Aug 22, 2011, 11:15 PM CDT
In force
6 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 44 km from the middle of the area, began a volume at 22:16 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.

030 
WGCA52 TJSJ 222217
FFWSJU
PRC037-053-230115-
/O.NEW.TJSJ.FF.W.0106.110822T2217Z-110823T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
617 PM AST MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CEIBA
     FAJARDO

* UNTIL 915 PM AST

* AT 610 PM AST...U.S.G.S RIVER SENSOR INDICATED RIO FAJARDO WAS OUT 
OF ITS BANKS. MORE RAIN IS EXPECTED ACROSS THESE MUNICIPALITIES THE 
REST OF TONIGHT. THEREFORE...A FLASH FLOOD WARNING HAS BEEN ISSUED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1830 6576 1831 6574 1834 6561 1828 6563
      1826 6578

$$

CASTRO

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
2 follow-up statements
379 
WGCA52 TJSJ 230100
FFWSJU
PRC037-053-230415-
/O.EXT.TJSJ.FF.W.0106.000000T0000Z-110823T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
900 PM AST MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CEIBA
     FAJARDO

* UNTIL 1215 AM AST

* AT 853 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
ANOTHER BAND OF SHOWERS AND THUNDERSTORMS WILL AFFECT THE WARNED 
AREA IN THE NEXT HOUR. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN 
EXTENDED.

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 1830 6576 1831 6574 1834 6561 1828 6563
      1826 6578

$$

CASTRO

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
742 
WGCA72 TJSJ 230407
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1207 AM AST TUE AUG 23 2011

PRC037-053-230416-
/O.EXP.TJSJ.FF.W.0106.000000T0000Z-110823T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEIBA PR-FAJARDO PR-
1207 AM AST TUE AUG 23 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM AST FOR FAJARDO AND
CEIBA MUNICIPALITIES...

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

LAT...LON 1830 6576 1831 6574 1834 6561 1828 6563
      1826 6578

$$

OMS

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.

IssuedProductOfficeCountiesLasted
Aug 21, 8:54 PM CDTFlash Flood WarningJSJ12 hr
Aug 21, 10:31 PM CDTFlash Flood WarningJSJ9 hr
Aug 21, 11:26 PM CDTFlash Flood WarningJSJ10 hr
Aug 22, 5:56 AM CDTFlash Flood WarningJSJ4 hr
Aug 22, 6:26 AM CDTSmall Craft AdvisoryJSJ13 hr
Aug 22, 6:54 AM CDTFlash Flood WarningJSJ5 hr
Aug 22, 7:30 AM CDTFlash Flood WarningJSJ2 hr
Aug 22, 8:44 AM CDTFlash Flood WarningJSJ2 hr
Aug 22, 9:29 AM CDTAreal Flood WarningJSJ21 hr
Aug 22, 10:14 AM CDTAreal Flood WarningJSJ58 hr
Aug 22, 10:28 AM CDTAreal Flood AdvisoryJSJ6 hr
Aug 22, 12:20 PM CDTAreal Flood WarningJSJ13 hr
Aug 22, 12:52 PM CDTAreal Flood AdvisoryJSJ3 hr
Aug 22, 2:33 PM CDTAreal Flood WarningJSJ9 hr
Aug 22, 3:51 PM CDTAreal Flood WarningJSJ9 hr
Aug 22, 4:06 PM CDTFlash Flood WarningJSJ6 hr
Aug 22, 5:35 PM CDTAreal Flood AdvisoryJSJ7 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2011Every flash flood warning in 2011

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.