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Western heat wave ends, but more heat coming

The heat wave that engulfed most western growing areas the last six days came to an end yesterday, and temperatures for the most part have returned to normal.  Although the heat is over you might want to keep a close eye on the quality of products coming from certain regions out west at least for a few more days.


The heat can be good for some regions and commodities to help bring on the crop faster, but for other items the heat can be detrimental to the quality. For areas such as the Coachella Valley -- which saw six days above 110, peaking at 116 on Wednesday -- the heat may have caused some issues to commodities such as tomatoes and melons.

In Salinas where the temperatures last week got above 100 for two consecutive days you might want to be on the lookout for quality issues for lettuces and other wet veg items.

Next Tuesday, Wednesday and Thursday expect these same warmer temps to return to most growing regions. The deserts will see temps once again above 110, and San Juaquin Valley cities will see max temps above 100. The coastal regions will also see warmer temps. By Friday, June 21 temps will cool off once again.

Warmer temperatures continue in the British Columbia cherry regions
The cherry regions of British Columbia, which have also experience above average temperatures the last week or so, will continue to see max temperatures in the upper 80s, 10 degrees above normal, through Monday. By Tuesday of next week things will change and max temps will drop down into the 70s with a slight chance of rain next Tuesday and Wednesday depending on the exact region. Check the Weathermelon app for more specific information.

Rain coming to Michigan today and tomorrow
There is a 100 percent chance of rain today and tomorrow in the cherry-growing regions of Michigan near Traverse City and Oceana County. Traverse City should see approximately one inch today and another inch tomorrow. There is also sporadic rain predicted for other parts of Michigan affecting other commodities coming from the region.

Freezing temps coming to Citrus regions of Chile
The citrus-growing regions of Chile (where they are currently in production) will experience five consecutive nights of near-freezing temperatures starting today. Next Monday, June 17 will be the coldest night of them all with minimum temperatures dipping down to 30. Maximum temperatures during this snap will only be in the 50s. Come Tuesday things will change with highs back into the 60s and lows in the 40s, which is normal for this time of year. Not sure if these low temperatures will have any affect on the crop but it is definitely something to keep your eye on as things can change and temps drop even further.

Typical seasonal weather in Mexico for the next 10 days
Nothing major to report coming from the Mexican growing regions. Areas that should be hot and dry this time of year (such as Torreon, Coahuila) will see highs in the 100s and lows in the 70s. Expect volumes and quality of shade house veg coming from this region to remain strong.

Areas in central Mexico have now entered the rainy season with daily possibilities of rain. Please check the app to see specific commodities from these regions. 

Baja California is currently experiencing perfect weather with max temps in the 70s and min temps in the low 60s. Expect volumes on shade house veg to continue strong.

The Weathermelon app offers consolidated lists of global growing regions for each commodity; a 10-day detail forecast for each region; current radar maps (U.S. only); estimated harvest start/end dates for each commodity; monthly average high/low temps for each region; and custom daily alerts for temperature, precipitation and severe weather based on 10-day forecasts.

(David Robidoux is a co-founder Weathermelon)