Thursday, July 6, 2023

Slightly Cooler Than Average Weather Pattern To Stick Around, chances for showers and thunderstorms.

 This blog will be a little bit shorter as I don't have as nearly as much time for a extensive write up, however I have information that will definitely be able to help you plan out your second half of the week.

Today:Another area of low pressure is posised to dig through the southern prairie provinces bringing with it another chance for showers and thunderstorms today. Theres a chance some of them may approach severe limits as instability lingers close to 1,000J/Kg. Mainly scattered and unorganized thunderstorms are likely this afternoon and evening. If storms manage to reach severe limits only expect 1-2cm hail and gusts up to 80km/h. (Left: Thunderstorm risk map for later today courtesy of Environment Canada). Temperatures will rise into the mid to high 20's this afternoon. 

Tonight: After the frontal passage goes through temperatures will drop into the low teens and the high single digits, areas in southwestern Manitoba will cool off the most. Cloudy skies are also likely overnight into Friday.

Friday: Expect a much calmer day weatherwise as the frontal system moves into the northern United States. Sunny to partly cloudy skies are likely, high temperatures in the low to mid 20's are a possibility. High pressure will sit over the region. Overnight lows will drop into the low to mid teens on Friday night. 

The Weekend: More unsettled weather is likely as another area of low pressure is set to move through southern portions of Manitoba. In regards to temperatures a lot of southern sections of Manitoba more than likely have a chance at seeing values in the high teens to mid 20's, with the dividing line of cooler air sitting over the interlakes on Saturday. Overnight lows again we'll likely see in the mid teens on Saturday night. There is enough convective energy forecast for the day on Sunday (Left Image) for some possible severe weather, scattered showers and thunderstorms will again be a possibility. It will be something to definitely keep an eye on as southern sections of Manitoba appear 

to be right on the edge of a lot of heat off to the south. Temperatures on the day Sunday will rise into the high 20's across the extreme southern parts of the province, overnight low temperatures on Sunday night will drop into the high single digits once again with low teens a possibility for some. 



                                                                                             (Skew T Graph for the Winnipeg area on Sunday afternoon in the Red River Valley. Threat may extend further west as well depending on the dynamics. We will know more on the day Sunday).


The Long Range: Still a lot of uncertainity in regards to the weather pattern next week, some models are indicating a switch over to hotter than average weather with a return to storminess while others diverge and offer different upper level patterns. Another reason that I do not think that the long range models are that accurate. 

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