Alert archive / Puerto Rico / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 5, NWS JSJ

August 15, 2011

NWS JSJ issued this severe thunderstorm warning at Aug 15, 2011, 2:18 PM CDT. It was in force for 27 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 15, 2011, 2:18 PM CDT (19:18 UTC)
Expired: Aug 15, 2011, 2:45 PM CDT
In force: 27 min
Issued by: NWS JSJ
Area: Storm-based polygon

The radar

The San Juan radar (TJUA), 96 km from the middle of the area, began a volume at 19:19 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.

What was reported inside it

Time	Report	Where	Remark
Aug 15, 2:33 PM CDT	TSTM WND DMG	San Sebastian, PR	TREE DOWN IN BARRIO POZAS.

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.

397 
WUCA52 TJSJ 151918
SVRSJU
PRC131-151945-
/O.NEW.TJSJ.SV.W.0005.110815T1918Z-110815T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
318 PM AST MON AUG 15 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SAN SEBASTIAN MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF SAN SEBASTIAN...

* UNTIL 345 PM AST

* AT 310 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR SAN              
  SEBASTIAN...  MOVING SLOWLY NORTHWEST AROUND 5 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED MUNICIPALITY.

LAT...LON 1829 6699 1827 6702 1829 6704 1838 6702
      1836 6690 1826 6690 1825 6691 1825 6694
TIME...MOT...LOC 1917Z 305DEG 9KT 1828 6692

$$

ROSA

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Aug 15, 1:41 PM CDT	Areal Flood Advisory	JSJ	52 min
Aug 15, 2:12 PM CDT	Areal Flood Advisory	JSJ	78 min
Aug 15, 2:31 PM CDT	Severe Thunderstorm Warning	JSJ	29 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.