Alert archive / Puerto Rico / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 14, NWS JSJ

September 9, 2011

NWS JSJ issued this severe thunderstorm warning at Sep 9, 2011, 1:56 PM CDT. It was in force for 42 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 9, 2011, 1:56 PM CDT (18:56 UTC)
Expired: Sep 9, 2011, 2:38 PM CDT
In force: 42 min
Issued by: NWS JSJ
Area: Storm-based polygon

The radar

The San Juan radar (TJUA), 115 km from the middle of the area, began a volume at 18:59 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.

126 
WUCA52 TJSJ 091856
SVRSJU
PRC023-067-097-092000-
/O.NEW.TJSJ.SV.W.0014.110909T1856Z-110909T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
256 PM AST FRI SEP 9 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CABO ROJO MUNICIPALITY IN PUERTO RICO...
  HORMIGUEROS MUNICIPALITY IN PUERTO RICO...
  MAYAGUEZ MUNICIPALITY IN PUERTO RICO...
  THIS INCLUDES THE CITY OF HORMIGUEROS...

* UNTIL 400 PM AST

* AT 254 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WINDS AND NICKEL 
SIZE HAIL.  THIS STORM WAS LOCATED NEAR HORMIGUEROS...AND MOVING 
WEST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE IMPACT MAINLY RURAL AREAS OF
  THE INDICATED MUNICIPALITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 1811 6721 1818 6720 1819 6719 1821 6716
      1819 6707 1809 6711
TIME...MOT...LOC 1856Z 078DEG 16KT 1815 6720

$$

JJA/WS

1 follow-up statement

444 
WWCA52 TJSJ 091938
SVSSJU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
338 PM AST FRI SEP 9 2011

PRC023-067-097-091944-
/O.CAN.TJSJ.SV.W.0014.000000T0000Z-110909T2000Z/
HORMIGUEROS PR-CABO ROJO PR-MAYAGUEZ PR-
338 PM AST FRI SEP 9 2011

...THE SEVERE THUNDERSTORM WARNING FOR MAYAGUEZ...CABO ROJO AND 
HORMIGUEROS MUNICIPALITIES IS CANCELED...

THE SEVERE THUNDERSTORM THAT AFFECTED THIS AREA HAS MOVED 
OFFSHORE...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELED.


LAT...LON 1811 6721 1818 6720 1819 6719 1821 6716
      1819 6707 1809 6711
TIME...MOT...LOC 1934Z 078DEG 16KT 1811 6737

$$

JJA

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Sep 8, 10:13 PM CDT	Tropical Storm Watch	JSJ	13 hr
Sep 9, 5:08 AM CDT	Tropical Storm Warning	JSJ	71 hr
Sep 9, 1:06 PM CDT	Flash Flood Watch	JSJ	29 hr
Sep 9, 2:06 PM CDT	Special Marine Warning	JSJ	54 min
Sep 9, 2:22 PM CDT	Severe Thunderstorm Warning	JSJ	53 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; radar from the NEXRAD Level II archive.