Alert archive / Puerto Rico / Flash Flood Warnings in 2011
Flash Flood Warning 159, NWS JSJ
NWS JSJ issued this flash flood warning at Dec 9, 2011, 11:41 PM CST. It was in force for 8 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
- Dec 9, 2011, 11:41 PM CST (05:41 UTC)
- Expired
- Dec 10, 2011, 7:45 AM CST
- In force
- 8 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 51 km from the middle of the area, began a volume at 05:42 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.
The text
As transmitted, in the capitals the NWS used until 2016.
491
WGCA52 TJSJ 100541
FFWSJU
PRC053-101045-
/O.NEW.TJSJ.FF.W.0159.111210T0541Z-111210T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
141 AM AST SAT DEC 10 2011
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITY
IN PUERTO RICO
FAJARDO
* UNTIL 645 AM AST
* AT 137 AM AST...DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER
FAJARDO. ALSO...U.S.G.S RIVER SENSORS INDICATED RIO FAJARDO WAS OUT
OF ITS BANKS AND CONTINUING RISING. EXPECT FLOODING ALONG ROAD 3
WITH THE INTERSECTION WITH ROAD 53.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 1829 6562 1828 6571 1836 6566 1838 6562
$$
CASTRO
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN2 follow-up statements
220
WGCA52 TJSJ 101040
FFWSJU
PRC053-101345-
/O.EXT.TJSJ.FF.W.0159.000000T0000Z-111210T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
640 AM AST SAT DEC 10 2011
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITY
IN PUERTO RICO
FAJARDO
* UNTIL 945 AM AST
* AT 636 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
LIGHT TO MODERATE RAINFALL PERSIST OVER FAJARDO. THEREFORE...THE
FLASH FLOOD WARNING HAS BEEN EXTENDED UNTIL 945 AM AST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 1829 6562 1828 6571 1836 6566 1838 6562
$$
CASTRO
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN459
WGCA72 TJSJ 101342
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
942 AM AST SAT DEC 10 2011
PRC053-101350-
/O.EXP.TJSJ.FF.W.0159.000000T0000Z-111210T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAJARDO PR-
942 AM AST SAT DEC 10 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 945 AM AST FOR FAJARDO
MUNICIPALITY...
DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA
HAD DISSIPATED OR MOVED AWAY. HOWEVER...RUNOFF FROM PREVIOUS HEAVY
RAINFALL MAY CAUSE FLOODING. AS A RESULT...RESIDENTS AND MOTORISTS
ACROSS THESE AREAS SHOULD BE ALERT AND ALLOW TIME FOR STREAMS...
CREEKS AND RIVERS TO RETURN TO NORMAL LEVELS.
LAT...LON 1829 6562 1828 6571 1836 6566 1838 6562
$$
OMS
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 |
|---|---|---|---|---|
| Dec 9, 7:51 PM CST | Areal Flood Advisory | JSJ | 114 min | |
| Dec 9, 8:49 PM CST | Special Marine Warning | JSJ | 56 min | |
| Dec 9, 9:58 PM CST | Areal Flood Advisory | JSJ | 6 hr | |
| Dec 9, 10:14 PM CST | Areal Flood Advisory | JSJ | 4 hr | |
| Dec 9, 11:01 PM CST | Flash Flood Warning | JSJ | 5 hr | |
| Dec 9, 11:21 PM CST | Areal Flood Advisory | JSJ | 7 hr | |
| Dec 10, 1:59 AM CST | Flash Flood Warning | JSJ | 8 hr | |
| Dec 10, 2:03 AM CST | Areal Flood Advisory | JSJ | 4 hr | |
| Dec 10, 2:06 AM CST | Flash Flood Warning | JSJ | 6 hr | |
| Dec 10, 2:16 AM CST | Flash Flood Warning | JSJ | 5 hr | |
| Dec 10, 2:23 AM CST | Flash Flood Warning | JSJ | 5 hr | |
| Dec 10, 4:26 AM CST | Flash Flood Warning | JSJ | 3 hr | |
| Dec 10, 6:03 AM CST | Areal Flood Advisory | JSJ | 117 min | |
| Dec 10, 6:25 AM CST | Areal Flood Advisory | JSJ | 2 hr | |
| Dec 10, 7:38 AM CST | Areal Flood Warning | JSJ | 10 hr | |
| Dec 10, 7:57 AM CST | Areal Flood Warning | JSJ | 4 hr | |
| Dec 10, 8:00 AM CST | Areal Flood Advisory | JSJ | 2 hr | |
| Dec 10, 8:24 AM CST | Areal Flood Advisory | JSJ | 111 min | |
| Dec 10, 9:39 AM CST | Flash Flood Warning | JSJ | 115 min | |
| Dec 10, 10:04 AM CST | Areal Flood Advisory | JSJ | 116 min | |
| Dec 10, 10:14 AM CST | Areal Flood Advisory | JSJ | 2 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.