Alert archive / Puerto Rico / Flash Flood Warnings in 2011
Flash Flood Warning 94, NWS JSJ
NWS JSJ issued this flash flood warning at Aug 3, 2011, 2:29 PM 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
- Aug 3, 2011, 2:29 PM CDT (19:29 UTC)
- Expired
- Aug 3, 2011, 8:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 87 km from the middle of the area, began a volume at 19:31 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.
150
WGCA52 TJSJ 031929
FFWSJU
PRC055-059-079-093-111-121-125-153-032215-
/O.NEW.TJSJ.FF.W.0094.110803T1929Z-110803T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
329 PM AST WED AUG 3 2011
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES
IN PUERTO RICO
MARICAO
SABANA GRANDE
SAN GERMAN
YAUCO
GUAYANILLA
GUANICA
PENUELAS
LAJAS
* UNTIL 615 PM AST
* AT 306 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
PERSISTENT HEAVY RAIN OVER THE WARNED AREA. ANOTHER LINE OF STRONG
THUNDERSTORMS IS APPROACHING FROM THE SOUTH. THIS WILL RESULT IN
VERY SHARP RISES ON AREA RIVERS WITH ADDITIONAL FLASH FLOODING.
RAINFALL RATES BETWEEN 2 TO 3 INCHES PER HOUR ARE OCCURRING WITH
THESE INTENSE STORMS. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 ARE
POSSIBLE IN THE WARNED AREA IN THE NEXT FEW HOURS.
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.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES. ADDITIONALLY...ROADS AND LANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AND POOR DRAINAGE AREAS ARE
SUBJECT TO FLOODING. MOTORISTS ARE URGED TO AVOID ROADS WHERE
EXCESSIVE PONDING IS OBSERVED.
&&
LAT...LON 1815 6708 1819 6699 1816 6684 1811 6676
1812 6668 1798 6669 1795 6709
$$
ER
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN2 follow-up statements
171
WGCA52 TJSJ 032213
FFWSJU
PRC055-059-079-093-111-121-125-153-040115-
/O.EXT.TJSJ.FF.W.0094.000000T0000Z-110804T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
613 PM AST WED AUG 3 2011
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES
IN PUERTO RICO
GUANICA
GUAYANILLA
LAJAS
MARICAO
PENUELAS
SABANA GRANDE
SAN GERMAN
YAUCO
* UNTIL 915 PM AST
* AT 610 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TO INDICATE PERSISTENT BANDS OF SHOWERS AND EMBEDDED
THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...MOVING FROM SOUTHEAST TO
NORTHWEST ACROSS THE WARNED AREA. ADDITIONAL RAINFALL AMOUNTS OF 1
TO 3 INCHES ARE EXPECTED THROUGH 915 PM AST AND THIS WILL FURTHER
AGGRAVATE ONGOING FLOODING AND RESULT IN NEW AREAS OF FLASH AND
RIVER FLOODING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 1815 6708 1819 6699 1816 6684 1811 6676
1812 6668 1798 6669 1795 6709
$$
BCS
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN398
WGCA72 TJSJ 040131
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
931 PM AST WED AUG 3 2011
PRC055-059-079-093-111-121-125-153-040145-
/O.EXP.TJSJ.FF.W.0094.000000T0000Z-110804T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUANICA PR-GUAYANILLA PR-LAJAS PR-MARICAO PR-PENUELAS PR-
SABANA GRANDE PR-SAN GERMAN PR-YAUCO PR-
931 PM AST WED AUG 3 2011
...THE FLASH FLOOD WARNING HAS EXPIRED FOR YAUCO...SAN GERMAN...
SABANA GRANDE...PENUELAS...MARICAO AND GUAYANILLA MUNICIPALITIES...
...THE FLASH FLOOD WARNING FOR LAJAS AND GUANICA HAS BEEN REPLACED
BY A FLOOD WARNING...
AT 924 PM AST...DOPPLER WEATHER RADAR INDICATED THAT THE SHOWERS AND
ISOLATED THUNDERSTORMS THAT WERE AFFECTING THE FLASH FLOOD WARNING
AREA EARLIER HAD ENDED. NO ADDITIONAL HEAVY RAINFALL OR NEW FLOODING
IS EXPECTED. THEREFORE...THE FLASH FLOOD WARNING WAS ALLOWED TO
EXPIRE.
HOWEVER...EMERGENCY MANAGEMENT OFFICIALS REPORTED LEFTOVER STANDING
WATER AND FLOODED ROADS IN GUANICA AND LAJAS. THUS...A FLOOD WARNING
IS NOW IN EFFECT FOR THESE AREAS.
LAT...LON 1815 6708 1819 6699 1816 6684 1811 6676
1812 6668 1798 6669 1795 6709
$$
BCS
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 3, 1:19 AM CDT | Areal Flood Advisory | JSJ | 7 hr | |
| Aug 3, 1:40 AM CDT | Flash Flood Warning | JSJ | 6 hr | |
| Aug 3, 3:56 AM CDT | Areal Flood Advisory | JSJ | 11 min | |
| Aug 3, 4:02 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Aug 3, 4:37 AM CDT | Flash Flood Watch | JSJ | 34 hr | |
| Aug 3, 4:57 AM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Aug 3, 5:20 AM CDT | Special Marine Warning | JSJ | 55 min | |
| Aug 3, 6:17 AM CDT | Areal Flood Warning | JSJ | 12 hr | |
| Aug 3, 6:38 AM CDT | Areal Flood Warning | JSJ | 12 hr | |
| Aug 3, 7:11 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 3, 7:28 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 3, 8:20 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Aug 3, 8:54 AM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| Aug 3, 9:02 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 3, 9:40 AM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Aug 3, 9:52 AM CDT | Severe Thunderstorm Warning | JSJ | 53 min | |
| Aug 3, 10:27 AM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 3, 11:26 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 3, 12:12 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 3, 12:19 PM CDT | Small Craft Advisory | JSJ | 31 hr | |
| Aug 3, 1:02 PM CDT | Special Marine Warning | JSJ | 58 min | |
| Aug 3, 4:32 PM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| Aug 3, 6:30 PM CDT | Areal Flood Warning | JSJ | 3 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.