Alert archive / Puerto Rico / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 9, NWS JSJ

August 16, 2011

NWS JSJ issued this severe thunderstorm warning at Aug 16, 2011, 1:23 PM CDT. It was in force for 22 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 16, 2011, 1:23 PM CDT (18:23 UTC)
Expired: Aug 16, 2011, 1:45 PM CDT
In force: 22 min
Issued by: NWS JSJ
Area: Storm-based polygon

The radar

The San Juan radar (TJUA), 19 km from the middle of the area, began a volume at 18:22 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.

What was reported inside it

Time	Report	Where	Remark
Aug 16, 1:29 PM CDT	TSTM WND DMG	Las Piedras, PR	TREES DOWN ALONG ROUTE PR-30 FROM LAS PIEDRAS TO HUMACAO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The text

As transmitted, in the capitals the NWS used until 2016.

772 
WUCA52 TJSJ 161823
SVRSJU
PRC025-035-057-063-069-077-085-103-109-123-129-151-161845-
/O.NEW.TJSJ.SV.W.0009.110816T1823Z-110816T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
223 PM AST TUE AUG 16 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAGUAS MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF CAGUAS...
  CAYEY MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF CAYEY...
  GUAYAMA MUNICIPALITY IN PUERTO RICO...
  GURABO MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF GURABO...
  HUMACAO MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITIES OF...PUNTA SANTIAGO...HUMACAO...
  JUNCOS MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF JUNCOS...
  LAS PIEDRAS MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF LAS PIEDRAS...
  NAGUABO MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF NAGUABO...
  PATILLAS MUNICIPALITY IN PUERTO RICO...
  SALINAS MUNICIPALITY IN PUERTO RICO...
  SAN LORENZO MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF SAN LORENZO...
  YABUCOA MUNICIPALITY IN PUERTO RICO...

* UNTIL 245 PM AST

* AT 217 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING       
  WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A      
  LINE EXTENDING FROM ANTON RUIZ TO 7 MILES EAST OF CAYEY TO 6 MILES 
  SOUTH OF CAYEY...MOVING WEST NORTHWEST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LA
  FERMINA...CELADA AND BAIROA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO A SAFE PLACE IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR 
SMALL INTERIOR ROOM.

&&

LAT...LON 1825 6588 1829 6578 1822 6566 1817 6569
      1818 6572 1815 6573 1815 6578 1812 6577
      1815 6578 1809 6599 1798 6621 1813 6622
      1815 6610 1821 6611 1823 6608 1831 6606
      1831 6597
TIME...MOT...LOC 1821Z 099DEG 28KT 1818 6583 1810 6608
          1803 6622

$$

ROSA

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Aug 15, 9:10 PM CDT	Small Craft Advisory	JSJ	47 hr
Aug 16, 3:27 AM CDT	Small Craft Advisory	JSJ	23 hr
Aug 16, 10:42 AM CDT	Special Marine Warning	JSJ	33 min
Aug 16, 11:26 AM CDT	Special Marine Warning	JSJ	2 hr
Aug 16, 11:46 AM CDT	Severe Thunderstorm Warning	JSJ	46 min
Aug 16, 11:52 AM CDT	Special Marine Warning	JSJ	113 min
Aug 16, 12:00 PM CDT	Areal Flood Advisory	JSJ	2 hr
Aug 16, 12:30 PM CDT	Special Marine Warning	JSJ	103 min
Aug 16, 1:02 PM CDT	Severe Thunderstorm Warning	JSJ	58 min
Aug 16, 1:55 PM CDT	Special Marine Warning	JSJ	61 min
Aug 16, 2:00 PM CDT	Special Marine Warning	JSJ	2 hr
Aug 16, 2:47 PM CDT	Special Marine Warning	JSJ	32 min
Aug 16, 2:54 PM CDT	Special Marine Warning	JSJ	111 min

Nearby

Severe Thunderstorm Warnings in Puerto Rico, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; radar from the NEXRAD Level II archive.