Looks like there could be a big change in the weather in a weeks time. Can anybody else confirm with your weather sources?
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Drew Lerner Forecast
(I'm only going to do this once- Everybody ought to consider a subscription)
September 15, 2009
CANADA PRAIRIE WEATHER: Considerable excitement was noted on the floor of
the Chicago Board of Trade Tuesday as a frost and freeze frenzy took place. The same cold advertised for the U.S. Midwest for late next week was also expected to impact the Prairie only a day earlier. The latest model data suggests the second half of next week
will be a very cold period of time. World Weather, Inc. believes some of the cold is probably over done, but we stand firm on our previous comments that this week will mark the end of the tranquil weather – at least for a little while.
Restricted rainfall and warm weather will continue into Saturday. Any
precipitation that falls will be brief and light resulting in some delays to fieldwork.
However, the impact on crop conditions and harvest progress will not likely be very great – at least not through Saturday.
The first of three waves of colder air will push through the Peace River Region Sunday before passing into the prairie Monday and Tuesday. Any frost and freezes that occur in the prairie will be somewhat disorganized, but most likely across northern portions of eastern Alberta and Saskatchewan. Extreme lows to -3 Celsius will be
possible in the Peace River Region and a few far northern grain areas, but the truly coldest air is expected later next week.
Two more waves of cold will push through the prairie next week. The coldest air will be present during the latter half of next week when extreme low temperatures may drop significantly below freezing - possibly in the range of -6 to -1 Celsius. The cold seems a little extreme right now and there is a good chance that changes will occur to the
intensity by this time next week. Remember cold air masses advertised this far in advance often will moderate before they actually arrive. With that said, we still believe freezes will occur in most of the prairie by Sep. 26 with a strong possibility for freezes sooner
than that. Obviously some will occur Sunday and Monday, but the period from Sep. 22-25 is most favored for killing frost and freezes in a more general manner.
Rain and some snow will likely precede the coldest air next week. Most of the
snow would likely occur during the nighttime hours and would not likely last long. Most of the precipitation will occur as rain and it will be brief and light varying up to a few
millimeters. The situation will be great enough to slow down harvest progress and crops lying in the swath may experience some slower drying rates. No serious crop quality
issues are presently expected, but it will be important for drying to resume rather quickly after the coldest air passes.
Temperatures will be quite warm into Friday and Saturday with highs in the 20s common followed by lows rarely cooler than 2 and mostly in the upper single digits and lower teens. Extreme high temperatures will get into the upper 20s and possibly slightly
over 30 degrees with the warmest conditions near the U.S. border over the next few days.
In contrast, highs during mid- to late week next week may be limited to the middle and upper single digits to lower teens on the coldest days.
Strong winds will blow across Alberta and Saskatchewan as early as Saturday
night and Sunday with some of the wind continuing into Monday while shifting further to the east. These will be strong northwesterly to westerly winds and speeds of 30 to 50 kmph will be possible with stronger gusts possible.
Wind speeds of 20 to 40 kmph will occur again during mid- to late-week next week as the coldest air debuts across the region.
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