Alert archive / Puerto Rico / Flash Flood Warnings in 2019
Flash Flood Warning 21, NWS JSJ
NWS JSJ issued this flash flood warning at Aug 29, 2019, 3:09 PM CDT. It was in force for 3 hr. 5 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 29, 2019, 3:09 PM CDT (20:09 UTC)
- Expired
- Aug 29, 2019, 6:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS JSJ
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The San Juan radar (TJUA), 15 km from the middle of the area, began a volume at 20:11 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 29, 3:30 PM CDT | FLASH FLOOD | Patillas, PR | ROAD 184 NEAR BARRIO JAGUAL IMPASSABLE, RIO PATILLAS OUT OF ITS BANKS. |
| Aug 29, 3:30 PM CDT | FLASH FLOOD | Yabucoa, PR | ROAD 182 NEAR ROAD 9910 WAS CLOSED DUE TO RIO GUAYANES OUT OF ITS BANKS. |
| Aug 29, 3:40 PM CDT | FLASH FLOOD | Yabucoa, PR | ROADS 3, 902 AND LA CENTRAL STREET, ALL OF THEM NEAR CENTRAL ROIG IMPASSABLE DUE TO RIO GUAYANES OUT OF ITS BANKS. |
| Aug 29, 5:00 PM CDT | FLASH FLOOD | Maunabo, PR | ROAD 759 KM 1.8 WAS CLOSED DUE TO RIO MANUABO OUT OF ITS BANKS. |
| Aug 29, 5:00 PM CDT | FLASH FLOOD | Patillas, PR | ROAD 181 WITH THE INTERSECTION WITH ROAD 7759 WAS CLOSED DUE TO RIO MARIN 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.
549
WGCA52 TJSJ 292009
FFWSJU
PRC095-109-129-151-292315-
/O.NEW.TJSJ.FF.W.0021.190829T2009Z-190829T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
409 PM AST Thu Aug 29 2019
The National Weather Service in San Juan has issued a
* Flash Flood Warning for...
Yabucoa Municipality in Puerto Rico...
Maunabo Municipality in Puerto Rico...
San Lorenzo Municipality in Puerto Rico...
Patillas Municipality in Puerto Rico...
* Until 715 PM AST
* At 408 PM AST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* An additional 1 to 2 inches of rain is expected over the area
during the next couple of hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 1812 6593 1812 6588 1811 6587 1812 6585
1810 6585 1807 6580 1805 6584 1801 6583
1797 6598 1798 6602 1804 6605 1803 6608
1806 6609 1814 6602 1821 6600 1823 6595
$$
GL1 follow-up statement
847
WGCA72 TJSJ 292311
FFSSJU
Flash Flood Statement
National Weather Service San Juan PR
711 PM AST Thu Aug 29 2019
PRC095-109-129-151-292316-
/O.EXP.TJSJ.FF.W.0021.000000T0000Z-190829T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yabucoa PR-Maunabo PR-San Lorenzo PR-Patillas PR-
711 PM AST Thu Aug 29 2019
...THE FLASH FLOOD WARNING FOR YABUCOA...MAUNABO...SAN LORENZO AND
PATILLAS MUNICIPALITIES WILL EXPIRE AT 715 PM AST...
The heavy rain has ended. Flooding is no longer expected to pose a
threat at Maunabo, San Lorenzo and Patillas. Please continue to heed
any remaining road closures.
On the other hand, river gauges continues to indicate rivers out of
its bank across Yabucoa. Therefore, a Flood Warning will be issued
shortly.
LAT...LON 1812 6593 1812 6588 1811 6587 1812 6585
1810 6585 1807 6580 1805 6584 1801 6583
1797 6598 1798 6602 1804 6605 1803 6608
1806 6609 1814 6602 1821 6600 1823 6595
$$
CAMThe office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 7:13 PM CDT | Rip Current Statement | JSJ | 8 hr | |
| Aug 28, 7:31 PM CDT | Small Craft Advisory | JSJ | 6 hr | |
| Aug 28, 10:26 PM CDT | Special Marine Warning | JSJ | 79 min | |
| Aug 29, 1:12 AM CDT | Small Craft Advisory | JSJ | 6 hr | |
| Aug 29, 12:41 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 29, 12:45 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 29, 1:09 PM CDT | Special Weather Statement | JSJ | 96 min | |
| Aug 29, 1:15 PM CDT | Special Marine Warning | JSJ | 30 min | |
| Aug 29, 1:19 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 29, 1:37 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 29, 1:49 PM CDT | Special Marine Warning | JSJ | 116 min | |
| Aug 29, 1:51 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Aug 29, 3:36 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Aug 29, 6:20 PM CDT | Areal Flood Warning | JSJ | 12 hr |
Nearby
Flash Flood Warnings in Puerto Rico, 2019Every flash flood warning in 2019
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.