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  #11  
Old 04-19-2013, 11:50 AM
WrongWay WrongWay is offline
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Default Re: April 18, 2013

Unfortunately a facebook page for CTV Barrie, it has lot of storm/cloud pictures on it from the storm for now
https://www.facebook.com/CTVbarrie?filter=2

Hearing reports that hydro polls went down around the area bounded by Warden, Mount Albert sdrd, Woodbine and Herald rd.
Not able to find much in the way of details about it.
http://www.citynews.ca/2013/04/19/st...t-gwillimbury/

Last edited by WrongWay; 04-19-2013 at 11:57 AM.
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  #12  
Old 04-19-2013, 03:33 PM
Thunderbolt Thunderbolt is offline
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Default Re: April 18, 2013

Tornado confirmed near Shelburne

Quote:
AWCN11 CWTO 191928
Updated weather summary for all of Southern Ontario and the
National Capital Region issued by Environment Canada
At 3:21 PM EDT Friday 19 April 2013.

-------------------------------------------------------------
==weather event discussion==

..First tornado of the season in Ontario confirmed..

At approximately 5:45 PM EDT on Thursday, April 18, a strong line of
thunderstorms moved through the Shelburne area to the northwest of
Toronto. Based on a damage survey by Environment Canada personnel,
one of these thunderstorms produced a brief enhanced Fujita (ef) 1
tornado approximately 6 kilometres to the northwest of Shelburne. An
ef-1 tornado has peak winds between 135 and 175 kilometres per hour.
The Key damage noted at this scene was a barn with its roof and two
walls removed with some pieces of the barn firmly embedded into the
ground at a distance of 50 to 100 metres from the original location.
The total length of the damage path was 500 metres with a width of
75 metres. Investigations are continuing in this area that may
Result in the length and width of the damage track changing or of
The possibility of other tornadoes. This statement will be updated
As new information becomes available.

This is the first tornado of the season, not only in Ontario but in
all of Canada. The summer severe weather season normally begins in
late April and ends in early October. Ontario sees an average of 12
tornadoes each year. This tornado also represents the first tornado
in Canada to be rated using the enhanced Fujita (ef) scale as opposed
to the original Fujita scale. The National Weather Service adopted
the ef scale in 2007 and Environment Canada has monitored its use
since that time and has decided to also adopt this scale beginning
this year. The types of damage produced by tornadoes on either the
enhanced Fujita scale or the original Fujita scale are similar.
However, the wind speeds of the various categories have been adjusted
based on the best available knowledge concerning the winds required
to damage structures, vehicles and trees.

This weather summary contains preliminary information and may not
constitute an official or final report.

END/OSPC
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  #13  
Old 04-19-2013, 06:06 PM
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Eabie Eabie is offline
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Default Re: April 18, 2013

Cool that the tornado's made weather history for being the first in Canada to be rated with the EF scale... Goes to show how out of the loop I've been though - I knew that EC was considering making the change to EF, but I didn't know they were doing so starting this year.
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  #14  
Old 04-20-2013, 12:46 PM
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DarkSky DarkSky is offline
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Default Re: April 18, 2013

Code:
115 
 AWCN11 CWTO 190928
 UPDATED WEATHER SUMMARY FOR ALL OF SOUTHERN ONTARIO AND THE
 NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA
 AT 5:20 AM EDT FRIDAY 19 APRIL 2013.

-------------------------------------------------------------
 ==WEATHER EVENT DISCUSSION==
 A LINE OF STRONG THUNDERSTORMS CROSSED SOUTHERN ONTARIO THURSDAY
 AFTERNOON INTO THE EVENING IN CONJUNCTION WITH AN INTENSIFYING LOW
 PRESSURE SYSTEM TRACKING TOWARDS THE CENTRAL GREAT LAKES. THERE WERE
 A FEW REPORTS OF DAMAGE ASSOCIATED WITH STRONG WINDS IN SOME OF THE
 MORE SEVERE STORMS EMBEDDED WITHIN THIS LINE. IT IS NOT CLEAR WHETHER
 THE DAMAGE IS DUE TO STRAIGHT-LINE WINDS OR ONE OR TWO BRIEF
 TORNADOES THAT TOUCHED DOWN. AN ENVIRONMENT CANADA TEAM IS PLANNING
 TO DO A DAMAGE SURVEY TODAY.

-------------------------------------------------------------
 LOCATION                         EVENT DESCRIPTION

5 KM NORTHWEST OF SHELBURNE      ROOF OFF BARN AND THROWN 500 FT,
                                  HYDRO LINES DOWN, FALLEN TREES.

7 KM WEST OF SHELBURNE           EAST SIDE OFF OF BARN, FALLEN  TREES

RIVERVIEW                        HYDRO WIRES DOWN
 (14 KM WEST OF SHELBURNE)

5 KM NORTHEAST OF NEWMARKET      ABOUT 20 HYDRO POLES BLOWN DOWN
 (WOODBINE AVE. NORTH OF GREEN    (AROUND 7:20 PM)
 LANE)

THIS WEATHER SUMMARY CONTAINS PRELIMINARY INFORMATION AND MAY NOT
 CONSTITUTE AN OFFICIAL OR FINAL REPORT.

END/OSPC
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  #15  
Old 04-20-2013, 12:48 PM
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DarkSky DarkSky is offline
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Default Re: April 18, 2013

Code:
708 
 AWCN11 CWTO 191928
 UPDATED WEATHER SUMMARY FOR ALL OF SOUTHERN ONTARIO AND THE
 NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA
 AT 3:21 PM EDT FRIDAY 19 APRIL 2013.

-------------------------------------------------------------
 ==WEATHER EVENT DISCUSSION==

..FIRST TORNADO OF THE SEASON IN ONTARIO CONFIRMED..

AT APPROXIMATELY 5:45 PM EDT ON THURSDAY, APRIL 18, A STRONG LINE OF
 THUNDERSTORMS MOVED THROUGH THE SHELBURNE AREA TO THE NORTHWEST OF
 TORONTO. BASED ON A DAMAGE SURVEY BY ENVIRONMENT CANADA PERSONNEL,
 ONE OF THESE THUNDERSTORMS PRODUCED A BRIEF ENHANCED FUJITA (EF) 1
 TORNADO APPROXIMATELY 6 KILOMETRES TO THE NORTHWEST OF SHELBURNE. AN
 EF-1 TORNADO HAS PEAK WINDS BETWEEN 135 AND 175 KILOMETRES PER HOUR.
 THE KEY DAMAGE NOTED AT THIS SCENE WAS A BARN WITH ITS ROOF AND TWO
 WALLS REMOVED WITH SOME PIECES OF THE BARN FIRMLY EMBEDDED INTO THE
 GROUND AT A DISTANCE OF 50 TO 100 METRES FROM THE ORIGINAL LOCATION.
 THE TOTAL LENGTH OF THE DAMAGE PATH WAS 500 METRES WITH A WIDTH OF
 75 METRES. INVESTIGATIONS ARE CONTINUING IN THIS AREA THAT MAY
 RESULT IN THE LENGTH AND WIDTH OF THE DAMAGE TRACK CHANGING OR OF
 THE POSSIBILITY OF OTHER TORNADOES. THIS STATEMENT WILL BE UPDATED
 AS NEW INFORMATION BECOMES AVAILABLE.

THIS IS THE FIRST TORNADO OF THE SEASON, NOT ONLY IN ONTARIO BUT IN
 ALL OF CANADA. THE SUMMER SEVERE WEATHER SEASON NORMALLY BEGINS IN
 LATE APRIL AND ENDS IN EARLY OCTOBER. ONTARIO SEES AN AVERAGE OF 12
 TORNADOES EACH YEAR. THIS TORNADO ALSO REPRESENTS THE FIRST TORNADO
 IN CANADA TO BE RATED USING THE ENHANCED FUJITA (EF) SCALE AS OPPOSED
 TO THE ORIGINAL FUJITA SCALE. THE NATIONAL WEATHER SERVICE ADOPTED
 THE EF SCALE IN 2007 AND ENVIRONMENT CANADA HAS MONITORED ITS USE
 SINCE THAT TIME AND HAS DECIDED TO ALSO ADOPT THIS SCALE BEGINNING
 THIS YEAR. THE TYPES OF DAMAGE PRODUCED BY TORNADOES ON EITHER THE
 ENHANCED FUJITA SCALE OR THE ORIGINAL FUJITA SCALE ARE SIMILAR.
 HOWEVER, THE WIND SPEEDS OF THE VARIOUS CATEGORIES HAVE BEEN ADJUSTED
 BASED ON THE BEST AVAILABLE KNOWLEDGE CONCERNING THE WINDS REQUIRED
 TO DAMAGE STRUCTURES, VEHICLES AND TREES.

THIS WEATHER SUMMARY CONTAINS PRELIMINARY INFORMATION AND MAY NOT
 CONSTITUTE AN OFFICIAL OR FINAL REPORT.

END/OSPC
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