Flash Flood Warning 104, NWS JSJ

Issued

Sep 21, 2017, 3:45 AM CDT (08:45 UTC)

Expired

Sep 21, 2017, 7:15 AM CDT

In force

4 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

703 
WGCA52 TJSJ 210845
FFWSJU
PRC007-021-025-031-033-035-041-045-061-087-105-127-135-137-139-
211215-
/O.NEW.TJSJ.FF.W.0104.170921T0845Z-170921T1215Z/
/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
445 AM AST THU SEP 21 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 815 AM AST

* At 445 AM AST, satellite estimates indicated heavy rain across the
  warned area. Flash flooding is already occurring.

* 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.

Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation and
other loose materials.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$

JDW

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

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