Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 45, NWS JSJ

June 4, 2011

NWS JSJ issued this flash flood warning at Jun 4, 2011, 2:52 PM CDT. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 4, 2011, 2:52 PM CDT (19:52 UTC)
Expired
Jun 4, 2011, 4:45 PM CDT
In force
113 min
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 39 km from the middle of the area, began a volume at 19:55 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.

665 
WGCA52 TJSJ 041952
FFWSJU
PRC119-042245-
/O.NEW.TJSJ.FF.W.0045.110604T1952Z-110604T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
352 PM AST SAT JUN 4 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     RIO GRANDE

* UNTIL 645 PM AST

* AT 345 PM AST...WEATHER DOPPLER RADAR INDICATED SCATTERED SHOWERS 
AND ISOLATED THUNDERSTORMS ACTIVITY ACROSS PARTS OF THE WARNED AREA. 
THIS WILL GENERATE A VERY FAST RISE TO FLOOD STAGE ON RIO ESPIRITU 
SANTO AT RIO GRANDE. RESIDENTS IN FLOOD PRONE AREAS SHOULD MOVE TO 
HIGHER GROUND IMMEDIATELY AND NEVER TRY TO CROSS A FLOODED ROADWAY. 
OVER 2 INCHES OF RAIN IS LIKELY THROUGH THIS 645 PM AST.

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 1838 6584 1843 6582 1842 6578 1837 6580
      1830 6580 1828 6583

$$

FIGUEROA

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
990 
WGCA72 TJSJ 042145
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
545 PM AST SAT JUN 4 2011

PRC119-042153-
/O.CAN.TJSJ.FF.W.0045.000000T0000Z-110604T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RIO GRANDE PR-
545 PM AST SAT JUN 4 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR RIO GRANDE
MUNICIPALITY...

RAIN HAS BECOME ISOLATED AND MUCH LIGHTER. THEREFORE...THE FLASH 
FLOOD WARNING HAS BEEN CANCELLED. 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. NEVERTHELESS...NEW SHOWERS ARE POSSIBLE ACROSS THESE AREAS 
LATER THIS EVENING AND COULD RESULT IN ADDITIONAL HEAVY RAINFALL AND 
FLOODING. 

LAT...LON 1838 6584 1843 6582 1842 6578 1837 6580
      1830 6580 1828 6583

$$

FIGUEROA

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
Jun 4, 6:47 AM CDTSpecial Marine WarningJSJ43 min
Jun 4, 1:42 PM CDTAreal Flood AdvisoryJSJ101 min
Jun 4, 2:09 PM CDTAreal Flood AdvisoryJSJ6 hr
Jun 4, 2:15 PM CDTAreal Flood AdvisoryJSJ6 hr
Jun 4, 2:18 PM CDTAreal Flood AdvisoryJSJ3 hr
Jun 4, 3:02 PM CDTFlash Flood WarningJSJ3 hr
Jun 4, 3:02 PM CDTFlash Flood WarningJSJ3 hr
Jun 4, 3:38 PM CDTFlash Flood WarningJSJ3 hr
Jun 4, 3:56 PM CDTFlash Flood WarningJSJ2 hr
Jun 4, 5:46 PM CDTAreal Flood AdvisoryJSJ6 hr
Jun 4, 5:58 PM CDTAreal Flood WarningJSJ6 hr
Jun 4, 6:26 PM CDTAreal Flood WarningJSJ14 hr
Jun 4, 6:40 PM CDTAreal Flood WarningJSJ6 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.