Friday, June 19, 2009

20/00Z run

Day 1 (June 28)
GFS: Coronation, AB
GEM: Red Deer, AB

Day 2 (June 29)
GFS: Coronation, AB
GEM: Coronation, AB

Day 3 (June 30)
GFS: Brandon, MB

Day 4 (July 1)
GFS: Dickinson, ND

Day 5 (July 2)
GFS: Calgary, AB

This is really changing like crazy! For example, the day 1 GFS solution has had as a "target" Calgary (twice), Saskatoon (twice), Banff and Coronation.

Wanna really see how much model forecasts change, especially in the long range? Check out this 250 mb panel comparison (from CoD); both panels are valid for the same time (29/00Z) but are from runs 12 hours apart. Note the location and orientation of the jet stream west of Vancouver Island in each panel. 'Nuff said.

On a side note, it looks like I will be going out for a chase with JH on Monday and Tuesday. Here's what Monday's forecast sounding looks like (courtesy


At 7:01 PM, Anonymous Chris said...

Where is this sounding forecast for?

At 11:42 PM, Blogger Weather Central said...

That was for Fargo. The new NAM has it a little outside of Fargo, but in the same general area.


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