Alert archive / Puerto Rico / Flash Flood Warnings in 2017

Flash Flood Warning 71, NWS JSJ

September 20, 2017

NWS JSJ issued this flash flood warning at Sep 20, 2017, 11:48 AM CDT. It was in force for 8 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, 11:48 AM CDT (16:48 UTC)
Expired
Sep 20, 2017, 7:45 PM CDT
In force
8 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The text

As transmitted.

075 
WGCA52 TJSJ 201648
FFWSJU
PRC003-005-099-202045-
/O.NEW.TJSJ.FF.W.0071.170920T1648Z-170920T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
1248 PM AST WED SEP 20 2017

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Aguada Municipality in Puerto Rico...
  Moca Municipality in Puerto Rico...
  Aguadilla Municipality in Puerto Rico...

* Until 445 PM AST

* At 1247 PM AST, satellite estimates and rain gauges indicated heavy
  rain falling across the warned area. Flash flooding is already
  occurring.

* Some locations that will experience flooding include...
  Aguadilla, Aguada, Moca, Aceitunas, Caban, Luyando and Rafael
  Hernandez.

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...

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 1849 6708 1848 6706 1839 6703 1835 6705
      1833 6704 1831 6705 1832 6712 1831 6719
      1833 6720 1835 6722 1838 6724 1839 6719
      1842 6716 1849 6717 1851 6714 1851 6710

$$

DS
2 follow-up statements
020 
WGCA52 TJSJ 202014
FFWSJU
PRC003-005-099-210045-
/O.EXT.TJSJ.FF.W.0071.000000T0000Z-170921T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
414 PM AST WED SEP 20 2017

The National Weather Service in San Juan has extended the

* Flash Flood Warning for...
  Aguada Municipality in Puerto Rico...
  Moca Municipality in Puerto Rico...
  Aguadilla Municipality in Puerto Rico...

* Until 845 PM AST

* At 410 PM AST, satellite imagery shows strong convection southwest 
  of the eye of Hurricane Irma, moving into these municipalities. 
  With strong onshore flow and torrential rains occurring, rainfall 
  amounts will increase quickly. This will extend the life-
  threatening flash flooding that is already occurring.

* Some locations that will experience flooding include...
  Aguadilla, Aguada, Moca, Aceitunas, Caban, Luyando and Rafael
  Hernandez.

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...

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 1849 6708 1848 6706 1839 6703 1835 6705
      1833 6704 1831 6705 1832 6712 1831 6719
      1833 6720 1835 6722 1838 6724 1839 6719
      1842 6716 1849 6717 1851 6714 1851 6710

$$

cd
752 
WGCA52 TJSJ 202020 CCA
FFWSJU
PRC003-005-099-210045-
/O.COR.TJSJ.FF.W.0071.000000T0000Z-170921T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning...CORRECTED
National Weather Service San Juan PR
420 PM AST Wed Sep 20 2017

The National Weather Service in San Juan has extended the

* Flash Flood Warning for...
  Aguada Municipality in Puerto Rico...
  Moca Municipality in Puerto Rico...
  Aguadilla Municipality in Puerto Rico...

* Until 845 PM AST

* At 410 PM AST, satellite imagery shows strong convection
  southwest of the eye of Hurricane Maria, moving into these 
  municipalities. With strong onshore flow and torrential rains 
  occurring, rainfall amounts will increase quickly. This will 
  extend the life- threatening flash flooding that is already 
  occurring.

* Some locations that will experience flooding include...
  Aguadilla, Aguada, Moca, Aceitunas, Caban, Luyando and Rafael
  Hernandez.

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...

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 1849 6708 1848 6706 1839 6703 1835 6705
      1833 6704 1831 6705 1832 6712 1831 6719
      1833 6720 1835 6722 1838 6724 1839 6719
      1842 6716 1849 6717 1851 6714 1851 6710

$$

cd

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, 11:53 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
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.