Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 14, NWS JSJ

May 17, 2011

NWS JSJ issued this flash flood warning at May 17, 2011, 7:31 AM CDT. It was in force for 3 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
May 17, 2011, 7:31 AM CDT (12:31 UTC)
Expired
May 17, 2011, 10:30 AM CDT
In force
3 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 49 km from the middle of the area, began a volume at 12:31 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.

577 
WGCA52 TJSJ 171231
FFWSJU
PRC053-171530-
/O.NEW.TJSJ.FF.W.0014.110517T1231Z-110517T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
831 AM AST TUE MAY 17 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     FAJARDO

* UNTIL 1130 AM AST

* AT 826 AM AST...WEATHER DOPPLER RADAR INDICATED MODERATE SHOWER 
ACTIVITY ACROSS PARTS OF THE WARNED AREA. ADDITIONAL SHOWERS AND 
THUNDERSTORMS...SOME OF THEM WITH EMBEDDED HEAVY DOWNPOURS...ARE 
EXPECTED THROUGH THE MORNING HOURS. THIS RAINFALL IN ADDITION TO THE 
RAINFALL THAT HAS ALREADY OCCURRED...WILL RESULT IN RAPID RISES ON 
RIO FAJARDO. RESIDENTS IN FLOOD PRONE AREAS SHOULD MOVE TO HIGHER 
GROUND IMMEDIATELY AND NEVER TRY TO CROSS A FLOODED ROADWAY. 

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 1836 6563 1832 6562 1826 6570 1828 6572

$$

MARTINEZ

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
400 
WGCA72 TJSJ 171523
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1123 AM AST TUE MAY 17 2011

PRC053-171531-
/O.EXP.TJSJ.FF.W.0014.000000T0000Z-110517T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAJARDO PR-
1123 AM AST TUE MAY 17 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1130 AM AST FOR FAJARDO 
MUNICIPALITY...BUT A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THIS 
AREA.


LAT...LON 1836 6563 1832 6562 1826 6570 1828 6572

$$

MARTINEZ

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
May 16, 10:18 PM CDTFlash Flood WarningJSJ3 hr
May 16, 10:27 PM CDTAreal Flood AdvisoryJSJ3 hr
May 17, 2:08 AM CDTAreal Flood AdvisoryJSJ5 hr
May 17, 2:26 AM CDTAreal Flood AdvisoryJSJ3 hr
May 17, 5:13 AM CDTAreal Flood AdvisoryJSJ3 hr
May 17, 6:27 AM CDTFlash Flood WarningJSJ3 hr
May 17, 6:51 AM CDTAreal Flood AdvisoryJSJ114 min
May 17, 7:05 AM CDTSpecial Marine WarningJSJ40 min
May 17, 7:15 AM CDTSpecial Marine WarningJSJ30 min
May 17, 7:48 AM CDTSpecial Marine WarningJSJ117 min
May 17, 7:49 AM CDTFlash Flood WarningJSJ3 hr
May 17, 8:00 AM CDTFlash Flood WarningJSJ5 hr
May 17, 8:21 AM CDTFlash Flood WatchJSJ11 hr
May 17, 9:43 AM CDTSpecial Marine WarningJSJ2 hr
May 17, 10:40 AM CDTAreal Flood AdvisoryJSJ110 min
May 17, 12:08 PM CDTAreal Flood AdvisoryJSJ3 hr
May 17, 12:24 PM CDTAreal Flood AdvisoryJSJ3 hr
May 17, 1:57 PM CDTAreal Flood AdvisoryJSJ2 hr
May 17, 2:11 PM CDTFlash Flood WarningJSJ87 min
May 17, 2:13 PM CDTSpecial Marine WarningJSJ2 hr
May 17, 3:13 PM CDTSpecial Marine WarningJSJ52 min
May 17, 4:11 PM CDTSpecial Marine WarningJSJ94 min
May 17, 5:36 PM CDTSpecial Marine WarningJSJ114 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; radar from the NEXRAD Level II archive.