Friday, March 30, 2012

Unsettled Weather Expected To Continue

Portions of southern Manitoba will continue to see unsettled weather this weekend, with system after system tracking through our area. Despite the fact we will see more systems go through than what we are used to, we will still see above average summer like weather. We will continue to see cloudy skies today with the chance for the sun to poke through the clouds, at the odd time in the Red River Valley. Temperatures will warm to 7C as we get near the end of the day today. Winnipeg will then have a small chance for more cloud cover or showers as a weak warm front moves through our area.

Early this evening a new area of low pressure will form in Saskatchewan and move east into Manitoba as the night progresses. This area of low pressure will bring the chance for widespread isolated thunderstorms and rainshowers in East Central Saskatchewan throughout the evening hours. As instabilty levels will be quite high considering the MUCAPE will be at 400 J/Kg, LI at -4, and the shear around 40 knots. The cities in Saskatchwan that will likely be affected by the thunderstorm risk and showers include Saskatoon,Regina, Swift Current, Moose Jaw, Prince Albert, and Yorkton. Areas anywhere in the vicinity of this Cold Front could see the odd rumble of thunder or two.

The cold front will then enter into Manitoba around midnight allowing for an area of rain and a very small chance for thunderstorms to blossom near Brandon ( from north to south) and travel east as the night progresses. It will eventually hit the RRV by early in the morning, so don't be surprised if you hear the odd rumble of thunder as the atmosphere will still be a little unstable. Accumulations will be in the broad range from 5 to 15mm South, North and along the Transcanada Highway. Expect it to clear out by late morning, leaving us with sunny skies and beautiful temperatures expected near 15C.

The warmer weather is not meant to last, as yet another low will begin it's trek into the Prairies. Southern Manitoba will get past 20C before more possible clouds push in by mid evening. Light Rain with weak thunderstorms will push into the Red River Valley overnight Sunday and then will intensify Monday morning dropping another 5-10mm of rain, before moving into NW Ontario on Monday Afternoon. The track of these systems will depend of the placements of other weather features. Overall much of the Red River Valley, the next few days will be unsettled with pleasant temperatures in the low-to-mid teens and rain/thunderstorms every 24-36 hours. See Weather Maps from NOAAWatch for info..

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