Alert archive / Puerto Rico / Flash Flood Warnings in 2012
Flash Flood Warning 33, NWS JSJ
NWS JSJ issued this flash flood warning at Sep 28, 2012, 1:57 PM CDT. It was in force for 96 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
- Sep 28, 2012, 1:57 PM CDT (18:57 UTC)
- Expired
- Sep 28, 2012, 3:33 PM CDT
- In force
- 96 min
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 93 km from the middle of the area, began a volume at 18:57 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.
The text
As transmitted, in the capitals the NWS used until 2016.
764
WGCA52 TJSJ 281857
FFWSJU
PRC027-081-115-131-282100-
/O.NEW.TJSJ.FF.W.0033.120928T1857Z-120928T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
257 PM AST FRI SEP 28 2012
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES
IN PUERTO RICO
LARES
SAN SEBASTIAN
CAMUY
QUEBRADILLAS
* UNTIL 500 PM AST
* AT 253 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM PRODUCING HEAVY RAIN OVER THE WARNED AREA. IN
ADDITION...USGS RIVER SENSOR INDICATES THAT THE RIO GUAJATACA IS
NEAR FLOOD STAGE AND RISING. FOR THAT REASON A FLASH FLOOD WARNING
HAS BEEN ISSUED UNTIL 500 PM AST.
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 1837 6699 1839 6688 1830 6684 1827 6692
$$
JJA
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN3 follow-up statements
557
WGCA72 TJSJ 281924
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
324 PM AST FRI SEP 28 2012
PRC027-081-115-131-282100-
/O.CON.TJSJ.FF.W.0033.000000T0000Z-120928T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARES PR-SAN SEBASTIAN PR-CAMUY PR-QUEBRADILLAS PR-
324 PM AST FRI SEP 28 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM AST FOR
QUEBRADILLAS...CAMUY...SAN SEBASTIAN AND LARES MUNICIPALITIES...
AT 316 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE HEAVY RAIN OVER THE GUAJATACA RIVER BASIN IN THE WARNED
AREA. AT 3:20 PM AST THE RIVER GAGE ON THE GUAJATACA AT LARES WAS
REGISTERING 16.24 FEET WHICH RAISES THE RIVER OUT OF ITS BANKS IN
LARES AND FLOODS HOMES IN BARRIO SEBORUQUILLO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND BEFORE YOUR ESCAPE ROUTE IS CUT OFF. THIS HAS
BEEN A VERY LARGE STORM WITH VERY HEAVY RAIN AND THE RIVER IS
EXPECTED TO CONTINUE RISING.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
&&
LAT...LON 1837 6699 1839 6688 1830 6684 1827 6692
$$
SNELL
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN864
WGCA72 TJSJ 281957
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
357 PM AST FRI SEP 28 2012
PRC027-081-115-131-282100-
/O.CON.TJSJ.FF.W.0033.000000T0000Z-120928T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARES PR-SAN SEBASTIAN PR-CAMUY PR-QUEBRADILLAS PR-
357 PM AST FRI SEP 28 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM AST FOR
QUEBRADILLAS...CAMUY...SAN SEBASTIAN AND LARES MUNICIPALITIES...
AT 349 PM AST...MOST OF THE HEAVIEST RAIN HAD CLEARED OUT OF THE
WARNING AREA...RIVERS AND STREAM ARE RECEDING AND THE GUAJATACA
RIVER HAS GONE BELOW FLOOD STAGE. WILL MONITOR THE CONDITIONS IN THE
AREA AND EXPECT TO DROP THE WARNING BY 4:30 PM AST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
&&
LAT...LON 1837 6699 1839 6688 1830 6684 1827 6692
$$
SNELL
ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN542
WGCA72 TJSJ 282033
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
433 PM AST FRI SEP 28 2012
PRC027-081-115-131-282039-
/O.CAN.TJSJ.FF.W.0033.000000T0000Z-120928T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARES PR-SAN SEBASTIAN PR-CAMUY PR-QUEBRADILLAS PR-
433 PM AST FRI SEP 28 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR QUEBRADILLAS...
CAMUY...SAN SEBASTIAN AND LARES MUNICIPALITIES...
SHOWERS HAVE DISSIPATED IN THE WARNED AREA AND NO SIGNIFICANT RAIN
IS EXPECTED TONIGHT. SOME PONDING AND ELEVATED STREAM FLOW MAY
CONTINUE FOR THE NEXT SEVERAL HOURS.
THE GUAJATACA RIVER HAS DROPPED BELOW 11 FEET AND SHOULD NO LONGER
POSE A PROBLEM. WATER LEVELS IN LAGO GUAJATACA WILL CONTINUE TO RISE
FOR AT LEAST SEVERAL HOURS.
LAT...LON 1837 6699 1839 6688 1830 6684 1827 6692
$$
SNELL
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 |
|---|---|---|---|---|
| Sep 28, 1:33 PM CDT | Areal Flood Advisory | JSJ | 117 min | |
| Sep 28, 2:35 PM CDT | Areal Flood Advisory | JSJ | 2 hr |
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.