Weather synopsis (Jul 19, 2018; Wk 11)

Weather synopsis – This past week (July 9 - 16, 2018), the average temperature (16.7 °C) was almost 2 °C warmer than last week and marginally warmer than long term average values (Fig. 1). Once again, the warmest weekly temperatures occurred across MB. The 30-day (June 16 - July 16, 2018) average temperature (15.8 °C) was just slightly above long term average temperatures.  

Figure 1.  Weekly (July 9 - 16, 2018) average temperature (°C) . 

Weekly and 30-day total precipitation was less than average (Figs. 2 and 3).  The wettest region (30-day cumulative precipitation) was across eastern areas in Saskatchewan and southern Manitoba while western Saskatchewan and most of Alberta continue to be dry.

Figure 2.  Weekly (July 9 - 16, 2018) cumulative precipitation (mm).

Figure 3.  The 30-day (June 16 – July 16, 2018) cumulative precipitation (mm).

The map below reflects the Highest Temperatures occurring over the past 7 days (July 11-17, 2018) across the prairies and is available from Agriculture and Agri-Food Canada (Fig. 4). 

Figure 4. Highest temperature across the Canadian prairies the past seven days (July 11-17, 2018). Image has not been reproduced in affiliation with, or with the endorsement of the Government of Canada and was retrieved (18Jul2018).  Access the full map at http://www.agr.gc.ca/DW-GS/current-actuelles.jspx?lang=eng&jsEnabled=true&reset=1529635048320).

The map below reflects the Lowest Temperatures occurring over the past 7 days (July 11-17, 2018) across the prairies and is available from Agriculture and Agri-Food Canada (Fig. 5).

Figure 5.  Lowest temperature across the Canadian prairies the past seven days (July 11-17, 2018). Image has not been reproduced in affiliation with, or with the endorsement of the Government of Canada and was retrieved (18Jul2018).  Access the full map at http://www.agr.gc.ca/DW-GS/current-actuelles.jspx?lang=eng&jsEnabled=true&reset=1529635048320).

The growing degree day map (GDD) (Base 10ºC, March 1 – July 15, 2018) is below:

The growing degree day map (GDD) (Base 5ºC, March 1 – July 15, 2018) is below:

The maps above are all produced by Agriculture and Agri-Food Canada.  Growers may wish to bookmark the AAFC Drought Watch Maps for the growing season.