Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 156, NWS JSJ

November 26, 2011

NWS JSJ issued this flash flood warning at Nov 26, 2011, 3:42 PM CST. It was in force for 2 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
Nov 26, 2011, 3:42 PM CST (21:42 UTC)
Expired
Nov 26, 2011, 6:00 PM CST
In force
2 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 43 km from the middle of the area, began a volume at 21:42 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
Nov 26, 4:00 PM CSTFLASH FLOODRio Grande, PRROUTE 191 FLOODED DUE TO MAMEYES RIVER OUT OF ITS BANKS. PARTS OF BARRIO PALMER AND BARRIO LA VEGA WERE AFFECTED BY THE RIVER FLOODING. ALSO...PORTIONS OF ROUTE 186 WERE FLOODED DUE TO THE ESPIRITU SANTO RIVER OUT OF ITS BANKS.

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.

191 
WGCA52 TJSJ 262142
FFWSJU
PRC119-270000-
/O.NEW.TJSJ.FF.W.0156.111126T2142Z-111127T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
542 PM AST SAT NOV 26 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     RIO GRANDE

* UNTIL 800 PM AST

* AT 525 PM AST...DOPPLER RADAR INDICATED MODERATE TO LOCALLY HEAVY 
RAIN ACROSS RIO GRANDE. HOWEVER...EXCESSIVE RUNOFF FROM PREVIOUS 
HEAVY RAINFALL...HAS CAUSED SHARP RISES ON THE ESPIRITU SANTO RIVER 
AT RIO GRANDE. AT 5:27 PM AST...USGS RIVER SENSOR AT ESPIRITU SANTO 
RIVER INDICATED 8.11 FEET AND RISING RAPIDLY AND FLOOD STAGE IS 9 
FEET.

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 1842 6581 1843 6580 1842 6579 1841 6576
      1833 6580 1834 6585 1843 6583 1843 6582

$$

ER

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
618 
WGCA72 TJSJ 262353
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
753 PM AST SAT NOV 26 2011

PRC119-270001-
/O.EXP.TJSJ.FF.W.0156.000000T0000Z-111127T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RIO GRANDE PR-
753 PM AST SAT NOV 26 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 800 PM AST FOR RIO GRANDE
MUNICIPALITY...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED. 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 1842 6581 1843 6580 1842 6579 1841 6576
      1833 6580 1834 6585 1843 6583 1843 6582

$$

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.

IssuedProductOfficeCountiesLasted
Nov 25, 8:32 PM CSTFlash Flood WarningJSJ6 hr
Nov 26, 2:30 AM CSTFlash Flood WatchJSJ58 hr
Nov 26, 2:35 AM CSTAreal Flood WarningJSJ74 min
Nov 26, 9:11 AM CSTSmall Craft AdvisoryJSJ64 hr
Nov 26, 11:32 AM CSTSpecial Marine WarningJSJ58 min
Nov 26, 12:20 PM CSTAreal Flood AdvisoryJSJ5 hr
Nov 26, 1:46 PM CSTAreal Flood AdvisoryJSJ119 min
Nov 26, 2:15 PM CSTAreal Flood AdvisoryJSJ2 hr
Nov 26, 4:15 PM CSTAreal Flood AdvisoryJSJ3 hr
Nov 26, 4:31 PM CSTFlash Flood WarningJSJ104 min

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