Wednesday, March 28, 2012

More Showers and Possible Thunderstorms on the way for the next couple of days

Storm Picture from Monday Night
From TWN
Southern Manitoba has experienced a variety of Weather over the past couple of days including the gusty winds, thunderstorms, hail, rain, drizzle, snow and blowing snow. A potent storm system that brought heavy snowfall to western Manitoba and the inter lake regions, as well including thunderstorms and rain that hit Winnipeg, the Red River Valley and parts of Southern Manitoba has moved well east into Quebec. We are not out of the way yet, as another system is expected to march through Southern Manitoba tomorrow afternoon. (See My blog Article: Thunderstorms rumble through Southern Manitoba

For Today we will see a mix of sun and clouds with highs right in and around 5C across parts of southern Manitoba, just warm enough to melt away the snow we accumulated yesterday. However an area of low pressure made landfall off the coast of Oregon last night. This area of low pressure will travel to the east and lift northwards into the Central part Of Manitoba,bringing with it a cold front that will bisect the Prairies and slowly push eastward. This cold front is expected to push through the Winnipeg and the Red River Valley through the day on Thursday. We will see rain push through our area by mid morning and leave the area by early evening. Rainfall amounts currently look like they will be in the 10 to 15 mm range across Southern Manitoba, although it does look like their is a fairly good chance for some embedded thunderstorms that will be spread out within the rain showers. Don't be surprised if you get a little heavier rain in local thunderstorms.  Expect them to be mainly non severe in nature. We can expect a reprieve on Friday with sunny weather and a return to temperatures of around 10C, with the help of warmer air from the south. This weather will be short lived as another system is set to roll in for Saturday.
 
 This weather system is forecast to bring an area of showers/rain to the northern inter lake regions, anywhere from in between Swan Lake, and Berens river. Current Indicators tell me there will be a small chance for showers in southern Manitoba with the chance for the odd storm. Temperatures during Saturday will be mainly above normal near in and around 10C.
As for the weather over the next couple of weeks the cold arctic air will continue to be locked up in areas North of (60*) by not only the strong AO, but also by the strong polar Jet Stream. This means we have a chance once again for our temperatures to soar above normal as predicted by Environment Canada. This will be mainly a moderate chance as we have not experienced any significant warm ups since the beginning of March. The long wave pattern has also changed, (according to AWM Blog) it has shifted over to favour more disturbances tracking across the prairies. This should result in slightly warmer than normal weather, but certainly more rainfall that we have seen in march.





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