Thursday, 11 August 2011 13:18

Regional temps relatively normal; precipitation, not so much

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By Susan Quinlan — This email address is being protected from spambots. You need JavaScript enabled to view it.

Through the month of July, some people may have been asking where’s summer, but according to Environment Canada meteorologist Dan Kulak, temperatures in southern Alberta haven’t really been that unusual.


Through the month of July there wasn’t really a long stretch of five or six days in the high 20 degree range, but still, temperatures are not differing from past years in any significant way.


As to specific differences in temperature, Kulak said we are a couple of degrees cooler than normal, overall.
“It sounds like not much, and it isn’t for humans, but the plants notice it.”


However, precipitation amounts, at least this spring, did vary.


“It has been quite wettish … From April to July 20, some areas have received close to double the precipitation (in southern Alberta) and it’s the same for southwestern Saskatchewan."


Regarding extreme weather events, Kulak said Environment Canada does a post-season review to determine the extent to which events of that type occurred, so that won’t be done until November.


In the interim, however, it’s interesting to note Environment Canada defines extreme weather as hail in excess of 20 mm in diameter, more than 50 mL of precipitation in less than an hour or winds exceeding 90 kilometres per hour, or a tornado. As of July 20, said Kulak, none of these conditions have occurred.


For those interested, Agriculture Canada has an interesting website where various maps outlining different climactic conditions across seasonal time periods may be viewed. The link to that website is http://www4.agr.gc.ca/DW-GS/current-actuelles.jspx?lang=eng&jsEnabled=true.

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