Alert archive / Puerto Rico / Flash Flood Warnings in 2017

Flash Flood Warning 83, NWS JSJ

September 20, 2017

NWS JSJ issued this flash flood warning at Sep 20, 2017, 6:55 PM CDT. It was in force for 4 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, 6:55 PM CDT (23:55 UTC)
Expired
Sep 20, 2017, 11:00 PM CDT
In force
4 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The text

As transmitted.

988 
WGCA52 TJSJ 202355
FFWSJU
PRC007-021-025-031-033-035-041-045-061-087-105-127-135-137-139-
210400-
/O.NEW.TJSJ.FF.W.0083.170920T2355Z-170921T0400Z/
/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
755 PM AST WED SEP 20 2017

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Aguas Buenas Municipality in Puerto Rico...
  Northwestern Carolina Municipality in Puerto Rico...
  Northwestern Loiza Municipality in Puerto Rico...
  Central Caguas Municipality in Puerto Rico...
  Northwestern Cayey Municipality in Puerto Rico...
  Eastern Naranjito Municipality in Puerto Rico...
  Bayamon Municipality in Puerto Rico...
  Southeastern Toa Baja Municipality in Puerto Rico...
  Northwestern Trujillo Alto Municipality in Puerto Rico...
  Eastern Comerio Municipality in Puerto Rico...
  San Juan Municipality in Puerto Rico...
  Guaynabo Municipality in Puerto Rico...
  Cidra Municipality in Puerto Rico...
  Catano Municipality in Puerto Rico...
  Southeastern Toa Alta Municipality in Puerto Rico...

* Until midnight AST

* At 753 PM AST, satellite estimates and rain gauges indicated heavy
  rain falling across the warned area. Flash flooding is already 
  occurring. With satellite imagery showing the development of more 
  torrential rainfall, a Flash Flood Warning has been issued.

* Some locations that will experience flooding include...
  San Juan, Aguas Buenas, Trujillo Alto, Guaynabo, Cidra, Sabana
  Seca, Catano, Bayamon, Carolina, Santa Clara, Levittown,
  Candelaria, Sumidero, Parcelas La Milagr, Parcelas La Milagrosa and
  Parcelas Nuevas.

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 1845 6597 1838 6600 1834 6604 1831 6604
      1830 6607 1823 6609 1821 6612 1816 6609
      1814 6612 1814 6621 1818 6623 1817 6621
      1819 6621 1822 6617 1828 6621 1842 6620
      1845 6617 1847 6614

$$

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, 6:35 PM CDTFlash Flood WarningJSJ3 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

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.