Alert archive / Puerto Rico / Flash Flood Warnings in 2017

Flash Flood Warning 79, NWS JSJ

September 20, 2017

NWS JSJ issued this flash flood warning at Sep 20, 2017, 6:35 PM CDT. It was in force for 3 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
Sep 20, 2017, 6:35 PM CDT (23:35 UTC)
Expired
Sep 20, 2017, 9:30 PM CDT
In force
3 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The text

As transmitted.

748 
WGCA52 TJSJ 202335
FFWSJU
PRC009-013-017-019-039-043-045-047-054-073-075-091-101-107-141-145-
149-210230-
/O.NEW.TJSJ.FF.W.0079.170920T2335Z-170921T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
735 PM AST WED SEP 20 2017

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Florida Municipality in Puerto Rico...
  North central Coamo Municipality in Puerto Rico...
  Morovis Municipality in Puerto Rico...
  East central Arecibo Municipality in Puerto Rico...
  Orocovis Municipality in Puerto Rico...
  Southwestern Comerio Municipality in Puerto Rico...
  Northern Villalba Municipality in Puerto Rico...
  Southwestern Vega Baja Municipality in Puerto Rico...
  Barceloneta Municipality in Puerto Rico...
  Barranquitas Municipality in Puerto Rico...
  Eastern Jayuya Municipality in Puerto Rico...
  Ciales Municipality in Puerto Rico...
  Southwestern Corozal Municipality in Puerto Rico...
  Northeastern Utuado Municipality in Puerto Rico...
  Northwestern Juana Diaz Municipality in Puerto Rico...
  Manati Municipality in Puerto Rico...
  Northwestern Aibonito Municipality in Puerto Rico...

* Until 1030 PM AST

* At 734 PM AST, satellite estimates and rain gauges show that major 
  or potentially catastrophic flooding is still ongoing. With 
  satellite imagery showing the development of more torrential 
  rainfall, the flash flood warning has to be extended.

* Some locations that will experience flooding include...
  Morovis, Florida, Manati, Barceloneta, Ciales, Barranquitas,
  Orocovis, Pajonal, Imbery, Barahona, Coto Norte, Franquez, La
  Luisa, Tiburones, Bufalo, Tierras Nuevas Pon, Garrochales and
  Tierras Nuevas Poniente.

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.

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 1847 6644 1837 6644 1837 6640 1833 6637
      1828 6638 1824 6635 1824 6627 1817 6625
      1815 6632 1818 6646 1815 6655 1820 6653
      1824 6656 1828 6656 1832 6658 1833 6660
      1837 6658 1848 6659

$$

Duplantis

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 20, 1:37 AM CDTFlash Flood WarningJSJ5 hr
Sep 20, 2:54 AM CDTExtreme Wind WarningJSJ2 hr
Sep 20, 3:15 AM CDTExtreme Wind WarningJSJ90 min
Sep 20, 3:34 AM CDTFlash Flood WarningJSJ5 hr
Sep 20, 3:34 AM CDTFlash Flood WarningJSJ15 hr
Sep 20, 3:47 AM CDTExtreme Wind WarningJSJ58 min
Sep 20, 3:54 AM CDTFlash Flood WarningJSJ5 hr
Sep 20, 4:10 AM CDTAreal Flood AdvisoryJSJ5 hr
Sep 20, 4:12 AM CDTFlash Flood WarningJSJ5 hr
Sep 20, 4:38 AM CDTExtreme Wind WarningJSJ82 min
Sep 20, 5:10 AM CDTFlash Flood WarningJSJ5 hr
Sep 20, 5:31 AM CDTFlash Flood Warning EmergencyJSJ3 hr
Sep 20, 5:55 AM CDTExtreme Wind WarningJSJ65 min
Sep 20, 5:56 AM CDTFlash Flood WarningJSJ5 hr
Sep 20, 6:30 AM CDTFlash Flood Warning EmergencyJSJ4 hr
Sep 20, 6:40 AM CDTExtreme Wind WarningJSJ80 min
Sep 20, 6:41 AM CDTFlash Flood WarningJSJ12 hr
Sep 20, 7:48 AM CDTFlash Flood WarningJSJ4 hr
Sep 20, 7:56 AM CDTExtreme Wind WarningJSJ64 min
Sep 20, 8:31 AM CDTFlash Flood Warning EmergencyJSJ8 hr
Sep 20, 9:07 AM CDTFlash Flood Warning EmergencyJSJ5 hr
Sep 20, 9:29 AM CDTFlash Flood WarningJSJ5 hr
Sep 20, 10:30 AM CDTFlash Flood Warning EmergencyJSJ8 hr
Sep 20, 10:35 AM CDTFlash Flood WarningJSJ3 hr
Sep 20, 11:31 AM CDTFlash Flood WarningJSJ8 hr
Sep 20, 11:48 AM CDTFlash Flood WarningJSJ8 hr
Sep 20, 11:53 AM CDTFlash Flood WarningJSJ8 hr
Sep 20, 12:01 PM CDTFlash Flood WarningJSJ8 hr
Sep 20, 12:58 PM CDTFlash Flood WarningJSJ4 hr
Sep 20, 1:28 PM CDTFlash Flood WarningJSJ6 hr
Sep 20, 1:51 PM CDTFlash Flood WarningJSJ4 hr
Sep 20, 1:58 PM CDTFlash Flood Warning EmergencyJSJ4 hr
Sep 20, 4:20 PM CDTFlash Flood Warning EmergencyJSJ3 hr
Sep 20, 6:38 PM CDTFlash Flood WarningJSJ4 hr
Sep 20, 6:41 PM CDTFlash Flood WarningJSJ4 hr
Sep 20, 6:47 PM CDTFlash Flood WarningJSJ4 hr
Sep 20, 6:55 PM CDTFlash Flood WarningJSJ4 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2017Every flash flood warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.