Alert archive / Puerto Rico / Tornado Warnings in 2014

Tornado Warning 1, NWS JSJ

May 20, 2014

NWS JSJ issued this tornado warning at May 20, 2014, 1:17 PM CDT. It was in force for 43 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
May 20, 2014, 1:17 PM CDT (18:17 UTC)
Expired
May 20, 2014, 2:00 PM CDT
In force
43 min
Issued by
NWS JSJ
Area
Storm-based polygon

The radar

The San Juan radar (TJUA), 36 km from the middle of the area, began a volume at 18:18 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.

721 
WFCA52 TJSJ 201817
TORSJU
PRC021-033-047-051-061-135-137-143-201900-
/O.NEW.TJSJ.TO.W.0001.140520T1817Z-140520T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
217 PM AST TUE MAY 20 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* TORNADO WARNING FOR...
  BAYAMON MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF BAYAMON...
  CATANO MUNICIPALITY IN PUERTO RICO...
  COROZAL MUNICIPALITY IN PUERTO RICO...
  DORADO MUNICIPALITY IN PUERTO RICO...
  GUAYNABO MUNICIPALITY IN PUERTO RICO...
  TOA ALTA MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF TOA ALTA...
  TOA BAJA MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF SABANA SECA...
  VEGA ALTA MUNICIPALITY IN PUERTO RICO...

* UNTIL 300 PM AST

* AT 210 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RIO
  LAJAS...OR NEAR TOA ALTA...MOVING EAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  CAMPANILLA AND PAJAROS BY 225 PM AST...
  CANDELARIA ARENAS...CANDELARIA AND PAJAROS BY 230 PM AST...
  CANDELARIA ARENAS BY 235 PM AST...
  SABANA SECA AND BAYAMON BY 245 PM AST...
  BAYAMON BY 250 PM AST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 1845 6617 1836 6610 1835 6634 1840 6636
TIME...MOT...LOC 1816Z 257DEG 10KT 1840 6626

$$

SNELL
1 follow-up statement
176 
WWCA52 TJSJ 201902
SVSSJU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
302 PM AST TUE MAY 20 2014

PRC021-033-047-051-061-135-137-143-201910-
/O.EXP.TJSJ.TO.W.0001.000000T0000Z-140520T1900Z/
BAYAMON PR-COROZAL PR-GUAYNABO PR-VEGA ALTA PR-DORADO PR-TOA ALTA PR-
CATANO PR-TOA BAJA PR-
302 PM AST TUE MAY 20 2014

...THE TORNADO WARNING FOR TOA BAJA...CATANO...TOA ALTA...DORADO...
VEGA ALTA...GUAYNABO...COROZAL AND BAYAMON MUNICIPALITIES HAS
EXPIRED...

THE RADAR INDICATION FOR TORNADOES HAS DISSIPATED. AT THIS MOMENT WE 
CAN CONFIRM ONE FUNNEL CLOUD REPORT IN BAYAMON. SPOTTER REPORTS OF 
TORNADOES...WATERSPOUTS OR DAMAGE WOULD BE APPRECIATED.

LAT...LON 1845 6617 1836 6610 1835 6634 1840 6636
TIME...MOT...LOC 1900Z 257DEG 10KT 1843 6613

$$

SNELL

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 8:06 PM CDTAreal Flood AdvisoryJSJ5 hr
May 20, 12:45 AM CDTAreal Flood AdvisoryJSJ3 hr
May 20, 1:50 AM CDTAreal Flood AdvisoryJSJ3 hr
May 20, 3:06 AM CDTAreal Flood AdvisoryJSJ54 min
May 20, 12:19 PM CDTAreal Flood AdvisoryJSJ3 hr
May 20, 12:34 PM CDTAreal Flood AdvisoryJSJ116 min
May 20, 1:36 PM CDTAreal Flood AdvisoryJSJ114 min
May 20, 1:41 PM CDTSpecial Marine WarningJSJ34 min
May 20, 1:46 PM CDTTornado WarningJSJ29 min
May 20, 1:50 PM CDTAreal Flood AdvisoryJSJ115 min

Nearby

Tornado Warnings in Puerto Rico, 2014Every tornado warning in 2014Tornadoes in 2014

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.