Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 31, NWS JSJ

May 23, 2011

NWS JSJ issued this flash flood warning at May 23, 2011, 2:33 PM CDT. It was in force for 3 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: May 23, 2011, 2:33 PM CDT (19:33 UTC)
Expired: May 23, 2011, 5:30 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 68 km from the middle of the area, began a volume at 19:35 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
May 23, 3:25 PM CDT	FLASH FLOOD	Utuado, PR	RIO GRANDE DE ARECIBO WAS REPORTED OUT OF ITS BANKS IN BARRIO SALTO ABAJO, ROAD 123.

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.

280 
WGCA52 TJSJ 231933
FFWSJU
PRC141-232230-
/O.NEW.TJSJ.FF.W.0031.110523T1933Z-110523T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
333 PM AST MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     UTUADO

* UNTIL 630 PM AST

* AT 323 PM AST...THE USGS RIVER GAGE ABOVE UTUADO ON THE RIO GRANDE 
DE ARECIBO WAS RISING RAPIDLY AND WILL FLOOD BEFORE 3:30 PM AST. 
THIS WILL AFFECT DOWNSTREAM LOCATIONS ALL THE WAY TO LAGO DOS BOCAS.

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 1826 6673 1828 6672 1830 6671 1832 6668
      1831 6666 1829 6668 1824 6668 1822 6672

$$

SNELL

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

1 follow-up statement

990 
WGCA72 TJSJ 232230
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
630 PM AST MON MAY 23 2011

PRC141-232241-
/O.EXP.TJSJ.FF.W.0031.000000T0000Z-110523T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UTUADO PR-
630 PM AST MON MAY 23 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR UTUADO MUNICIPALITY...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA
HAD DISSIPATED OR MOVED AWAY. NO SIGNIFICANT ADDITIONAL RAINFALL IS
EXPECTED ACROSS THESE AREAS AT THIS TIME.

LAT...LON 1826 6673 1828 6672 1830 6671 1832 6668
      1831 6666 1829 6668 1824 6668 1822 6672

$$

CASTRO

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
May 23, 11:51 AM CDT	Areal Flood Advisory	JSJ	114 min
May 23, 12:04 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 23, 1:37 PM CDT	Areal Flood Advisory	JSJ	113 min
May 23, 1:39 PM CDT	Areal Flood Advisory	JSJ	111 min
May 23, 2:55 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 23, 3:01 PM CDT	Areal Flood Advisory	JSJ	119 min
May 23, 4:55 PM CDT	Flash Flood Warning	JSJ	6 hr
May 23, 5:40 PM CDT	Flash Flood Warning	JSJ	3 hr
May 23, 5:53 PM CDT	Flash Flood Warning	JSJ	4 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2011 Every 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.