Alert archive / Puerto Rico / Flash Flood Warnings in 2018

Flash Flood Warning 7, NWS JSJ

July 9, 2018

NWS JSJ issued this flash flood warning at Jul 9, 2018, 12:15 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: Jul 9, 2018, 12:15 PM CDT (17:15 UTC)
Expired: Jul 9, 2018, 3:15 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 42 km from the middle of the area, began a volume at 17:19 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.

248 
WGCA52 TJSJ 091715
FFWSJU
PRC089-119-092015-
/O.NEW.TJSJ.FF.W.0007.180709T1715Z-180709T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Juan PR
115 PM AST MON JUL 9 2018

The National Weather Service in San Juan has issued a

* Flash Flood Warning for...
  Rio Grande Municipality in Puerto Rico...
  Luquillo Municipality in Puerto Rico...

* Until 415 PM AST

* At 112 PM AST, Heavy rainfall across the warning area will result 
  in sharp rises along rivers and small streams.  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 1841 6582 1842 6579 1841 6580 1841 6577
      1838 6575 1839 6572 1837 6571 1836 6567
      1832 6568 1832 6570 1829 6573 1830 6575
      1828 6577 1830 6579 1827 6583 1830 6587
      1841 6587 1842 6590 1844 6588

$$

oms

1 follow-up statement

338 
WGCA72 TJSJ 092010
FFSSJU

Flash Flood Statement
National Weather Service San Juan PR
410 PM AST MON JUL 9 2018

PRC089-119-092016-
/O.EXP.TJSJ.FF.W.0007.000000T0000Z-180709T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rio Grande PR-Luquillo PR-
410 PM AST MON JUL 9 2018

...THE FLASH FLOOD WARNING FOR RIO GRANDE AND LUQUILLO MUNICIPALITIES
WILL EXPIRE AT 415 PM AST...

The heavy rain has moved away. Flash flooding is no longer expected. 
However, there are still some areas with minor flooding. Please 
continue to heed any remaining road closures.

LAT...LON 1841 6582 1842 6579 1841 6580 1841 6577
      1838 6575 1839 6572 1837 6571 1836 6567
      1832 6568 1832 6570 1829 6573 1830 6575
      1828 6577 1830 6579 1827 6583 1830 6587
      1841 6587 1842 6590 1844 6588

$$

JJA

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Jul 9, 4:47 AM CDT	Special Weather Statement	JSJ	58 min
Jul 9, 6:13 AM CDT	Special Weather Statement	JSJ	92 min
Jul 9, 6:39 AM CDT	Special Weather Statement	JSJ	96 min
Jul 9, 7:08 AM CDT	Special Weather Statement	JSJ	52 min
Jul 9, 7:23 AM CDT	Special Marine Warning	JSJ	37 min
Jul 9, 10:16 AM CDT	Special Weather Statement	JSJ	59 min
Jul 9, 11:41 AM CDT	Special Weather Statement	JSJ	3 hr
Jul 9, 11:44 AM CDT	Flash Flood Warning	JSJ	5 hr
Jul 9, 12:52 PM CDT	Flash Flood Warning	JSJ	3 hr
Jul 9, 1:29 PM CDT	Flash Flood Warning	JSJ	3 hr
Jul 9, 2:42 PM CDT	Special Weather Statement	JSJ	2 hr
Jul 9, 4:31 PM CDT	Flash Flood Warning	JSJ	59 min

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.