Thursday, 16 June 2016

Weekly Update (June 15, 2016; Wk 07) - 2016 Wind Trajectories (April 1 - June 13, 2016)

THE WEEK OF JUNE 13, 2016:  Wind trajectory data processing by AAFC-Saskatoon Staff began in April.  Reverse Trajectories track arriving air masses back to their point of origin while Forward Trajectories predict favourable winds expected to arrive across the Canadian Prairies for the week of  June 13, 2016:

Reverse trajectories (RT)
Mexico and southwest USA - This week, Grande Prairie (June 7) had the first report of a Reverse Trajectory crossing over southwest US and Mexico crossing. Other sites included Selkirk, Portage, Carman and Brandon.

The map below represents the distribution of RTs from the prairies that originated over southwest US and Mexico.

Forward trajectories (FT) 
There were 17 Forward Trajectories from southwest US (12) and Mexico (5) that were predicted to cross the prairies over the next five days.

Weather forecasts (7 day):
Grande Prairie:

Downloadable versions of the Wind Trajectory Updates are available here.