Alert archive / Puerto Rico / Flash Flood Warnings in 2011
Flash Flood Warning 30, NWS JSJ
NWS JSJ issued this flash flood warning at May 21, 2011, 12:51 AM 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
- May 21, 2011, 12:51 AM CDT (05:51 UTC)
- Expired
- May 21, 2011, 6:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 59 km from the middle of the area, began a volume at 05:53 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.
743
WGCA52 TJSJ 210551
FFWSJU
PRC017-091-211145-
/O.NEW.TJSJ.FF.W.0030.110521T0551Z-110521T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
151 AM AST SAT MAY 21 2011
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES
IN PUERTO RICO
BARCELONETA
MANATI
* UNTIL 745 AM AST
* AT 146 AM AST...A USGS SENSOR ON THE MANATI RIVER AT MANATI
INDICATED THE RIVER AT 24.9 FEET AND RISING RAPIDLY AND FLOOD STAGE
IS 25 FEET. THE RIVER IS FORECAST TO CREST AROUND 25 FEET IN THE
NEXT HOUR OR SO. AT 25 FEET...THE RIVER FLOODS ROUTES 666 AND 667 IN
THE CACHETE SECTOR IN MANATI.
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 1839 6660 1847 6660 1851 6655 1849 6644
1847 6643 1842 6643 1835 6650
$$
ROSA
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN3 follow-up statements
508
WGCA72 TJSJ 210718
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
318 AM AST SAT MAY 21 2011
PRC017-091-211145-
/O.CON.TJSJ.FF.W.0030.000000T0000Z-110521T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARCELONETA PR-MANATI PR-
318 AM AST SAT MAY 21 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM AST FOR
MANATI AND BARCELONETA MUNICIPALITIES...
AT 300 AM AST...THE MANATI RIVER AT MANATI WAS AT 25.93 FEET AND
RISING. THE RIVER IS EXPECTED TO CREST AROUND 26 FEET SHORTLY. AT 26
FEET...THE RIVER FLOODS ROADS 666 AND 667 IN THE CACHETE SECTOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 1839 6660 1847 6660 1851 6655 1849 6644
1847 6643 1842 6643 1835 6650
$$
ROSA
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN257
WGCA72 TJSJ 211012
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
612 AM AST SAT MAY 21 2011
PRC017-091-211145-
/O.CON.TJSJ.FF.W.0030.000000T0000Z-110521T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARCELONETA PR-MANATI PR-
612 AM AST SAT MAY 21 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM AST FOR
MANATI AND BARCELONETA MUNICIPALITIES...
AT 600 AM AST...USGS SENSOR AT THE MANATI RIVER AT MANATI INDICATED
THAT THE RIVER HAD CRESTED AND IS NOW FALLING BUT REMAINS ABOVE THE
FLOOD STAGE OF 25 FEET. THE RIVER LEVEL WAS AT 26.31 FEET. AT 26
FEET...THE RIVER FLOODS ROADS 666 AND 667 IN THE CACHETE SECTOR IN
MANATI.
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 1839 6660 1847 6660 1851 6655 1849 6644
1847 6643 1842 6643 1835 6650
$$
ROSA
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN074
WGCA72 TJSJ 211153
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
753 AM AST SAT MAY 21 2011
PRC017-091-211159-
/O.EXP.TJSJ.FF.W.0030.000000T0000Z-110521T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARCELONETA PR-MANATI PR-
753 AM AST SAT MAY 21 2011
...THE FLASH FLOOD WARNING HAS EXPIRED FOR MANATI AND BARCELONETA
MUNICIPALITIES...
LATEST READINGS FROM THE USGS SENSOR AT THE RIO GRANDE DE MANATI AT
MANATI INDICATE THAT THE RIVER CONTINUES TO SLOWLY RESEED.
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 1839 6660 1847 6660 1851 6655 1849 6644
1847 6643 1842 6643 1835 6650
$$
EM
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUANThe office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:18 PM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| May 20, 7:32 PM CDT | Areal Flood Advisory | JSJ | 6 hr | |
| May 20, 8:06 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| May 20, 8:07 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| May 20, 8:35 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| May 20, 10:30 PM CDT | Areal Flood Warning | JSJ | 5 hr | |
| May 20, 11:01 PM CDT | Areal Flood Advisory | JSJ | 119 min | |
| May 20, 11:47 PM CDT | Flash Flood Warning | JSJ | 5 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.