Alert archive / Puerto Rico / Flash Flood Warnings in 2012
Flash Flood Warning 31, NWS JSJ
NWS JSJ issued this flash flood warning at Aug 24, 2012, 9:53 AM CDT. It was in force for 5 hr. 3 reports 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
- Aug 24, 2012, 9:53 AM CDT (14:53 UTC)
- Expired
- Aug 24, 2012, 2:45 PM CDT
- In force
- 5 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 14 km from the middle of the area, began a volume at 14:57 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 |
|---|---|---|---|
| Aug 24, 11:48 AM CDT | FLASH FLOOD | Maunabo, PR | RIO MAUNABO OVER BARRIO TUMBAO BRIDGE AT ROAD 759 WAS REPORTED OUT OF IS BANKS. |
| Aug 24, 12:41 PM CDT | FLASH FLOOD | Maunabo, PR | RIVER MAUNABO IN ROAD 759 OUT OF ITS BANKS. |
| Aug 24, 12:45 PM CDT | FLASH FLOOD | Patillas, PR | IN BARRIO JAGUAL ROAD 184 IN PATILLAS RIVER OUT OF ITS BANKS. |
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.
472
WGCA52 TJSJ 241453
FFWSJU
PRC015-095-109-241745-
/O.NEW.TJSJ.FF.W.0031.120824T1453Z-120824T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1053 AM AST FRI AUG 24 2012
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES
IN PUERTO RICO
ARROYO
MAUNABO
PATILLAS
* UNTIL 145 PM AST
* AT 1048 AM AST...WEATHER DOPPLER RADAR INDICATED HEAVY TO MODERATE
SHOWER ACTIVITY ACROSS PORTIONS OF THE WARNED AREA. ADDITIONAL
SHOWERS AND THUNDERSTORMS...SOME OF THEM WITH EMBEDDED HEAVY
DOWNPOURS...ARE EXPECTED THROUGH THE EARLY AFTERNOON HOURS. THIS
RAINFALL IN ADDITION TO THE RAINFALL THAT HAS ALREADY OCCURRED...
WILL RESULT IN RAPID RISES ON SMALL STREAMS AND RIVERS. 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 1796 6606 1809 6606 1810 6606 1810 6602
1806 6600 1806 6596 1803 6592 1803 6589
1802 6588 1803 6587 1801 6585
$$
OMS
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN3 follow-up statements
928
WGCA52 TJSJ 241744
FFWSJU
PRC015-095-109-241815-
/O.EXT.TJSJ.FF.W.0031.000000T0000Z-120824T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
144 PM AST FRI AUG 24 2012
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES
IN PUERTO RICO
ARROYO
MAUNABO
PATILLAS
* UNTIL 215 PM AST
* AT 138 PM AST...RUNOFF FROM PREVIOUS HEAVY RAINFALL HAS RESULTED
IN SHARP RISES ON SMALL STREAMS AND RIVERS ACROSS THESE
MUNICIPALITIES...ESPECIALLY ACROSS THE MAUNABO AND PATILLAS AREA.
MOTORISTS DRIVING ALONG FLOOD PRONE AREAS SHOULD EXERCISE EXTREME
CAUTION. MOVE TO HIGHER GROUND IMMEDIATELY AND NEVER TRY TO CROSS A
FLOODED ROADWAY.
LAT...LON 1796 6606 1809 6606 1810 6606 1810 6602
1806 6600 1806 6596 1803 6592 1803 6589
1802 6588 1803 6587 1801 6585
$$
23
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN024
WGCA52 TJSJ 241808
FFWSJU
PRC015-095-109-241945-
/O.EXT.TJSJ.FF.W.0031.000000T0000Z-120824T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
208 PM AST FRI AUG 24 2012
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES
IN PUERTO RICO
ARROYO
MAUNABO
PATILLAS
* UNTIL 345 PM AST
* AT 206 PM AST...RUNOFF FROM PREVIOUS HEAVY RAINFALL HAS RESULTED IN
SHARP RISES ON SMALL STREAMS AND RIVERS ACROSS THESE MUNICIPALITIES...
ESPECIALLY ACROSS THE MAUNABO AND PATILLAS AREA. MOTORISTS DRIVING
ALONG FLOOD PRONE AREAS SHOULD EXERCISE EXTREME CAUTION. MOVE TO HIGHER
GROUND IMMEDIATELY AND NEVER TRY TO CROSS A FLOODED ROADWAY.
LAT...LON 1796 6606 1809 6606 1810 6606 1810 6602
1806 6600 1806 6596 1803 6592 1803 6589
1802 6588 1803 6587 1801 6585
$$
MARTINEZ
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN847
WGCA72 TJSJ 241940
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
340 PM AST FRI AUG 24 2012
PRC015-095-109-241949-
/O.EXP.TJSJ.FF.W.0031.000000T0000Z-120824T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ARROYO PR-MAUNABO PR-PATILLAS PR-
340 PM AST FRI AUG 24 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 345 PM AST FOR PATILLAS...
MAUNABO AND ARROYO MUNICIPALITIES...
DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA
HAD DISSIPATED OR MOVED AWAY. NO SIGNIFICANT ADDITIONAL RAINFALL IS
EXPECTED ACROSS THESE AREAS AT THIS TIME. HOWEVER...RESIDENTS AND
MOTORISTS ACROSS THESE AREAS SHOULD BE ALERT TO PONDING OF WATER ON
ROADWAYS AND ALLOW TIME FOR STREAMS...CREEKS AND RIVERS TO RETURN TO
NORMAL LEVELS.
LAT...LON 1796 6606 1809 6606 1810 6606 1810 6602
1806 6600 1806 6596 1803 6592 1803 6589
1802 6588 1803 6587 1801 6585
$$
JJA
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 |
|---|---|---|---|---|
| Aug 23, 10:11 PM CDT | Wind Advisory | JSJ | 6 hr | |
| Aug 23, 10:25 PM CDT | Small Craft Advisory | JSJ | 40 hr | |
| Aug 23, 10:47 PM CDT | Areal Flood Advisory | JSJ | 10 hr | |
| Aug 23, 10:54 PM CDT | Special Marine Warning | JSJ | 81 min | |
| Aug 23, 10:54 PM CDT | Special Marine Warning | JSJ | 5 hr | |
| Aug 24, 3:03 AM CDT | Flash Flood Warning | JSJ | 110 min | |
| Aug 24, 3:19 AM CDT | Areal Flood Advisory | JSJ | 116 min | |
| Aug 24, 5:54 AM CDT | Special Marine Warning | JSJ | 111 min | |
| Aug 24, 6:34 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 24, 7:21 AM CDT | Areal Flood Advisory | JSJ | 6 hr | |
| Aug 24, 7:28 AM CDT | Special Marine Warning | JSJ | 2 hr | |
| Aug 24, 7:43 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 24, 8:01 AM CDT | Areal Flood Advisory | JSJ | 7 hr | |
| Aug 24, 8:19 AM CDT | Areal Flood Advisory | JSJ | 7 hr | |
| Aug 24, 9:25 AM CDT | Special Marine Warning | JSJ | 2 hr | |
| Aug 24, 10:22 AM CDT | Special Marine Warning | JSJ | 113 min | |
| Aug 24, 11:52 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 24, 11:55 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 24, 12:18 PM CDT | Special Marine Warning | JSJ | 117 min |
Nearby
Flash Flood Warnings in Puerto Rico, 2012Every flash flood warning in 2012
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.