Alert archive / Puerto Rico / Flash Flood Warnings in 2016
Flash Flood Warning 8, NWS JSJ
NWS JSJ issued this flash flood warning at Apr 28, 2016, 4:44 AM CDT. It was in force for 3 hr. 1 report 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
- Apr 28, 2016, 4:44 AM CDT (09:44 UTC)
- Expired
- Apr 28, 2016, 7:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 24 km from the middle of the area, began a volume at 09:44 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 |
|---|---|---|---|
| Apr 28, 7:00 AM CDT | FLASH FLOOD | Yabucoa, PR | EMERGENCY MANAGER AT YABUCOA REPORTED CLOSED ROAD DUE TO MUDSLIDE ON ROAD 901 SECTOR LOS COLONES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The text
As transmitted.
093
WGCA52 TJSJ 280944
FFWSJU
PRC069-095-109-151-281215-
/O.NEW.TJSJ.FF.W.0008.160428T0944Z-160428T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
544 AM AST THU APR 28 2016
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
PATILLAS MUNICIPALITY IN PUERTO RICO...
YABUCOA MUNICIPALITY IN PUERTO RICO...
HUMACAO MUNICIPALITY IN PUERTO RICO...
MAUNABO MUNICIPALITY IN PUERTO RICO...
* UNTIL 815 AM AST
* AT 540 AM AST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES AS WELL AS
EMERGENCY MANAGERS ALL INDICATED STRONG THUNDERSTORMS PRODUCING
HEAVY RAIN MOVING ACROSS THE WARNED AREA. UP TO ONE INCH OF RAIN
HAS ALREADY FALLEN AND ADDITIONAL AMOUNTS OF AN INCH OR MORE CAN
BE EXPECTED. FLASH FLOODING HAS BEGUN OF IS EXPECTED TO BEGIN
SHORTLY. EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE
MUDSLIDES NEAR STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...
MUD...VEGETATION AND OTHER LOOSE MATERIALS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
YABUCOA...MAUNABO...HUMACAO...EMAJAGUA...PLAYITA...MARTORELL...COMUNAS...
ROSA SANCHEZ...PALO SECO...EL NEGRO AND CANDELERO ARRIBA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 1799 6596 1811 6589 1814 6580 1811 6578
1809 6580 1806 6580 1806 6582 1805 6584
1802 6583 1800 6586 1801 6587 1799 6589
1799 6590 1797 6592 1797 6594
$$
RAM1 follow-up statement
310
WGCA72 TJSJ 281210
FFSSJU
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
810 AM AST THU APR 28 2016
PRC069-095-109-151-281220-
/O.EXP.TJSJ.FF.W.0008.000000T0000Z-160428T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PATILLAS PR-YABUCOA PR-HUMACAO PR-MAUNABO PR-
810 AM AST THU APR 28 2016
...THE FLASH FLOOD WARNING FOR PATILLAS...YABUCOA...HUMACAO AND
MAUNABO MUNICIPALITIES WILL EXPIRE AT 815 AM AST...
FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.
LAT...LON 1799 6596 1811 6589 1814 6580 1811 6578
1809 6580 1806 6580 1806 6582 1805 6584
1802 6583 1800 6586 1801 6587 1799 6589
1799 6590 1797 6592 1797 6594
$$
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 |
|---|---|---|---|---|
| Apr 28, 3:20 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Apr 28, 3:21 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Apr 28, 4:24 AM CDT | Areal Flood Advisory | JSJ | 111 min | |
| Apr 28, 4:47 AM CDT | Flash Flood Warning | JSJ | 2 hr | |
| Apr 28, 4:47 AM CDT | Flash Flood Warning | JSJ | 2 hr | |
| Apr 28, 5:05 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Apr 28, 5:59 AM CDT | Special Marine Warning | JSJ | 61 min | |
| Apr 28, 6:59 AM CDT | Special Marine Warning | JSJ | 61 min | |
| Apr 28, 8:01 AM CDT | Special Marine Warning | JSJ | 89 min | |
| Apr 28, 9:27 AM CDT | Special Marine Warning | JSJ | 93 min | |
| Apr 28, 10:53 AM CDT | Special Marine Warning | JSJ | 52 min | |
| Apr 28, 11:45 AM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Apr 28, 11:53 AM CDT | Special Weather Statement | JSJ | 52 min | |
| Apr 28, 12:19 PM CDT | Special Weather Statement | JSJ | 41 min | |
| Apr 28, 1:04 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Apr 28, 2:59 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Apr 28, 3:42 PM CDT | Areal Flood Advisory | JSJ | 2 hr |
Nearby
Flash Flood Warnings in Puerto Rico, 2016Every flash flood warning in 2016
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.