Alert archive / Puerto Rico / Tornado Warnings in 2011

Tornado Warning 2, NWS JSJ

September 13, 2011

NWS JSJ issued this tornado warning at Sep 13, 2011, 3:48 AM CDT. It was in force for 27 min. 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 13, 2011, 3:48 AM CDT (08:48 UTC)
Expired
Sep 13, 2011, 4:15 AM CDT
In force
27 min
Issued by
NWS JSJ
Area
Storm-based polygon

The radar

The San Juan radar (TJUA), 42 km from the middle of the area, began a volume at 08:49 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, in the capitals the NWS used until 2016.

947 
WFCA52 TJSJ 130848
TORSJU
PRC075-113-123-133-130915-
/O.NEW.TJSJ.TO.W.0002.110913T0848Z-110913T0915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
448 AM AST TUE SEP 13 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* TORNADO WARNING FOR...
  JUANA DIAZ MUNICIPALITY IN PUERTO RICO...
  PONCE MUNICIPALITY IN PUERTO RICO...
  SALINAS MUNICIPALITY IN PUERTO RICO...
  SANTA ISABEL MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF SANTA ISABEL...

* UNTIL 515 AM AST

* AT 445 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR COFFIN   
  ISLAND MOVING NORTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  POTALA PASTILLO...6 MILES SOUTHWEST OF SANTA ISABEL...7 MILES
  SOUTHWEST OF LAS OLLAS AND 9 MILES WEST OF JAUCA BY 515 AM AST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 1798 6651 1805 6647 1799 6634 1791 6639
      1795 6641 1795 6643 1791 6646 1793 6647
      1796 6644 1798 6646 1797 6651 1791 6651
TIME...MOT...LOC 0848Z 210DEG 11KT 1786 6654

$$

ROSA
1 follow-up statement
678 
WWCA52 TJSJ 130914
SVSSJU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
514 AM AST TUE SEP 13 2011

PRC075-113-123-133-130924-
/O.EXP.TJSJ.TO.W.0002.000000T0000Z-110913T0915Z/
JUANA DIAZ PR-PONCE PR-SALINAS PR-SANTA ISABEL PR-
514 AM AST TUE SEP 13 2011

...THE TORNADO WARNING FOR SANTA ISABEL...SALINAS...PONCE AND JUANA
DIAZ MUNICIPALITIES WILL EXPIRE AT 515 AM AST...

THE THUNDERSTORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED 
CONSIDERABLY.

LAT...LON 1798 6651 1805 6647 1799 6634 1791 6639
      1795 6641 1795 6643 1791 6646 1793 6647
      1796 6644 1798 6646 1797 6651 1791 6651
TIME...MOT...LOC 0914Z 210DEG 11KT 1793 6650

$$

ROSA

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 12, 7:14 PM CDTFlash Flood WarningJSJ5 hr
Sep 12, 8:58 PM CDTAreal Flood AdvisoryJSJ93 min
Sep 12, 10:18 PM CDTFlash Flood WarningJSJ3 hr
Sep 12, 11:43 PM CDTAreal Flood AdvisoryJSJ2 hr
Sep 13, 12:11 AM CDTFlash Flood WarningJSJ9 hr
Sep 13, 12:24 AM CDTFlash Flood WarningJSJ19 hr
Sep 13, 2:33 AM CDTFlash Flood WarningJSJ6 hr
Sep 13, 3:39 AM CDTSpecial Marine WarningJSJ66 min
Sep 13, 4:25 AM CDTAreal Flood AdvisoryJSJ2 hr
Sep 13, 4:42 AM CDTSpecial Marine WarningJSJ2 hr
Sep 13, 5:35 AM CDTAreal Flood AdvisoryJSJ78 min
Sep 13, 6:24 AM CDTAreal Flood AdvisoryJSJ3 hr
Sep 13, 6:46 AM CDTFlash Flood WarningJSJ3 hr
Sep 13, 7:01 AM CDTAreal Flood AdvisoryJSJ3 hr
Sep 13, 7:13 AM CDTAreal Flood AdvisoryJSJ6 hr
Sep 13, 8:23 AM CDTFlash Flood WarningJSJ3 hr
Sep 13, 8:39 AM CDTFlash Flood WarningJSJ3 hr
Sep 13, 9:02 AM CDTAreal Flood AdvisoryJSJ3 hr
Sep 13, 9:39 AM CDTAreal Flood WarningJSJ10 hr
Sep 13, 9:48 AM CDTFlash Flood WarningJSJ3 hr
Sep 13, 10:01 AM CDTAreal Flood WarningJSJ20 hr
Sep 13, 10:06 AM CDTAreal Flood AdvisoryJSJ2 hr
Sep 13, 10:59 AM CDTAreal Flood WarningJSJ7 hr
Sep 13, 11:02 AM CDTFlash Flood WarningJSJ5 hr
Sep 13, 11:19 AM CDTAreal Flood WarningJSJ6 hr
Sep 13, 11:47 AM CDTFlash Flood WarningJSJ5 hr
Sep 13, 12:18 PM CDTAreal Flood WarningJSJ6 hr
Sep 13, 12:58 PM CDTAreal Flood WarningJSJ13 hr
Sep 13, 4:07 PM CDTAreal Flood WarningJSJ6 hr

Nearby

Tornado Warnings in Puerto Rico, 2011Every tornado warning in 2011Tornadoes 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; radar from the NEXRAD Level II archive.