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knorthern_knight
Rank: Tornado
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Greater Toronto
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Joined: 3-December 10
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Local Time: Sep 22 2014, 06:15 PM
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knorthern_knight

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20 Sep 2014
The Great Lakes influence weather in southern Ontario. Here are some URLs, and sample images where available...
13 Sep 2014
Up till now we've had mostly localized frost events in Eastern Canada this season. The FIM progs show a cool air mass sliding southeastwards from the Arctic, through Ontario/Quebec/Maritimes, during the 17th to the 20th. Much of Eastern Canada looks like it'll be experiencing frost 2 or 3 nights in a row.

Note that the American maps use "ye olde Fair-n-hot" temperatures. The forecast is for temperatures 2 metres (approx 6 feet) above the surface. While the Golden Horseshoe escapes the 2-metre frost, there will likely be ground frost outside the areas covered by the red 32 Fahrenheit line. To cut down on map clutter, I'm only posting 06Z and 12Z (2:00 AM EDT and 8:00 AM EDT respectively) forecast maps.


Wednesday the 17th

Attached File  temp_2m_f090.png ( 61.45K ) Number of downloads: 4

Attached File  temp_2m_f096.png ( 60.86K ) Number of downloads: 0




Thursday the 18th

Attached File  temp_2m_f114.png ( 61.77K ) Number of downloads: 0

Attached File  temp_2m_f120.png ( 60.24K ) Number of downloads: 0




Friday the 19th

Attached File  temp_2m_f138.png ( 60.17K ) Number of downloads: 0

Attached File  temp_2m_f144.png ( 58.08K ) Number of downloads: 0




Saturday the 20th

Attached File  temp_2m_f162.png ( 59.93K ) Number of downloads: 0

Attached File  temp_2m_f168.png ( 56.04K ) Number of downloads: 0
10 Aug 2014
The August 12-14 topic http://forums.accuweather.com/index.php?showtopic=31812 in the American forum is based on the same systems/conditions. They only care until it leaves the US east coast. In Canada, it'll work down the St Lawrence, and through Atlantic Canada, hence the 2 extra days. There are a few rainfall maps in the US thread. Instead, here's a few maps from CMC of the event...

Attached File  I_nw_r1_EST_2014081012_042.png ( 55.98K ) Number of downloads: 1

Attached File  I_nw_g1_EST_2014081012_054.png ( 42.34K ) Number of downloads: 0

Attached File  I_nw_g1_EST_2014081012_066.png ( 43.96K ) Number of downloads: 0

Attached File  I_nw_g1_EST_2014081012_078.png ( 43.17K ) Number of downloads: 0

Attached File  I_nw_g1_EST_2014081012_090.png ( 42.26K ) Number of downloads: 0

Attached File  I_nw_g1_EST_2014081012_102.png ( 41.23K ) Number of downloads: 0

Attached File  I_nw_g1_EST_2014081012_114.png ( 40.81K ) Number of downloads: 0
25 Jun 2014
The web page is http://www.blitzortung.org/Webpages/index....n&page_0=30 One of the first things I did was to turn off the annoying sound effects, and also the detector locations, which show the triangulation. This makes for a cleaner map, and allows me to listen to internet radio.
6 Jun 2014
I'm getting really starved for systems to track. sad.gif On the NAEFS EPSgrams, the CMC global model shows a precip event for Toronto and Ottawa around the 11th/12th (Wednesday/Thursday). The FIM model shows a wave/trough going through southern Ontario, up the St Lawrence, and then the Atlantic provinces. There's a thread in the US forum about the potential for severe wx in the NE around that time. It's just getting within the extreme end of CMC's range, so I have some precip map plots...

Attached File  cmc102.png ( 39.44K ) Number of downloads: 2

Attached File  cmc108.png ( 40.61K ) Number of downloads: 0

Attached File  cmc114.png ( 42.14K ) Number of downloads: 0

Attached File  cmc120.png ( 41.97K ) Number of downloads: 0
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