Alert archive / Puerto Rico / Flash Flood Warnings in 2012
Flash Flood Warning 29, NWS JSJ
NWS JSJ issued this flash flood warning at Aug 24, 2012, 3:03 AM CDT. It was in force for 110 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 24, 2012, 3:03 AM CDT (08:03 UTC)
- Expired
- Aug 24, 2012, 4:53 AM CDT
- In force
- 110 min
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 76 km from the middle of the area, began a volume at 08:02 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.
515
WGCA52 TJSJ 240803
FFWSJU
PRC059-153-241100-
/O.NEW.TJSJ.FF.W.0029.120824T0803Z-120824T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
403 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
GUAYANILLA
YAUCO
* UNTIL 700 AM AST
* AT 357 AM AST...DOPPLER RADAR INDICATED VERY HEAVY RAINFALL OVER
THE WARNED AREA. HEAVY RAINFALL HAS CAUSED SHARP RISES ON THE
GUAYANILLA RIVER. AT 3:45 AM AST...USGS RIVER SENSOR INDICATED THE
RIVER AT 10.62 FEET AND RISING RAPIDLY AND FLOOD STAGE IS 12 FEET.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
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 1803 6682 1805 6684 1810 6683 1814 6681
1812 6676 1808 6677 1805 6678 1800 6676
1798 6680
$$
ER
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN1 follow-up statement
587
WGCA72 TJSJ 240953
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
553 AM AST FRI AUG 24 2012
PRC059-153-241003-
/O.CAN.TJSJ.FF.W.0029.000000T0000Z-120824T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAYANILLA PR-YAUCO PR-
553 AM AST FRI AUG 24 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR YAUCO AND
GUAYANILLA MUNICIPALITIES...
RAINFALL INTENSITY HAS DECREASED OVER THE AREA AND NO REPORTS OF
FLOODING HAVE BEEN RECEIVED.
LAT...LON 1803 6682 1805 6684 1810 6683 1814 6681
1812 6676 1808 6677 1805 6678 1800 6676
1798 6680
$$
ROSA
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, 3:19 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, 9:53 AM CDT | Flash Flood Warning | JSJ | 5 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; radar from the NEXRAD Level II archive.