Alert archive / Puerto Rico / Flash Flood Warnings in 2018

Flash Flood Warning 18, NWS JSJ

November 5, 2018

NWS JSJ issued this flash flood warning at Nov 5, 2018, 5:51 PM CST. It was in force for 114 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: Nov 5, 2018, 5:51 PM CST (23:51 UTC)
Expired: Nov 5, 2018, 7:45 PM CST
In force: 114 min
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 23:50 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.

782 
WGCA52 TJSJ 052351
FFWSJU
PRC095-109-060145-
/O.NEW.TJSJ.FF.W.0018.181105T2351Z-181106T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
751 PM AST MON NOV 5 2018

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Maunabo Municipality in Puerto Rico...
  Patillas Municipality in Puerto Rico...

* Until 945 PM AST

* At 751 PM AST, Doppler radar indicated heavy rain across the warned
  area. Up to two inches of rain have already fallen. Flash flooding
  is expected to begin shortly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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 1798 6602 1801 6605 1804 6605 1804 6607
      1808 6607 1811 6605 1810 6602 1808 6602
      1806 6600 1802 6588 1803 6587 1801 6585
      1801 6587 1799 6589 1799 6590 1797 6592
      1797 6598

$$
OMS

1 follow-up statement

050 
WGCA72 TJSJ 060139
FFSSJU

Flash Flood Statement
National Weather Service San Juan PR
939 PM AST MON NOV 5 2018

PRC095-109-060149-
/O.EXP.TJSJ.FF.W.0018.000000T0000Z-181106T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Maunabo PR-Patillas PR-
939 PM AST MON NOV 5 2018

...THE FLASH FLOOD WARNING FOR MAUNABO AND PATILLAS MUNICIPALITIES
WILL EXPIRE AT 945 PM AST...

The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining road closures.

LAT...LON 1798 6602 1801 6605 1804 6605 1804 6607
      1808 6607 1811 6605 1810 6602 1808 6602
      1806 6600 1802 6588 1803 6587 1801 6585
      1801 6587 1799 6589 1799 6590 1797 6592
      1797 6598

$$

OMS

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Nov 5, 11:17 AM CST	Areal Flood Advisory	JSJ	4 hr
Nov 5, 11:51 AM CST	Areal Flood Advisory	JSJ	3 hr
Nov 5, 11:53 AM CST	Areal Flood Advisory	JSJ	5 hr
Nov 5, 11:59 AM CST	Areal Flood Advisory	JSJ	3 hr
Nov 5, 4:46 PM CST	Areal Flood Advisory	JSJ	119 min
Nov 5, 4:53 PM CST	Areal Flood Advisory	JSJ	3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2018 Every flash flood warning in 2018

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.