Wednesday, June 24, 2015

Weak Tornadic Storms Today, Bigger Ones Friday...

Tornado Warnings have been issued in southern Manitoba this afternoon with confirmation of at least one touchdown.

The storms today are are very slow moving, mostly rain event type with some possible spin ups of weak tornadoes. There will be no map today, keeping with the consistent model forecasts of scattered non-severe thunderstorms. If any damage occurs from these cells, it will be a possible tipped lawn chair and a lot of rain. Flash flooding should be the main concern today.

Friday on the other hand, looks to be quite active for stronger type supercell thunderstorms that can cause widespread damage. Here is a look at the difference between the NAM forecast model for 9pm this evening and 9pm Friday evening. This is the forecast "supercell composite":

Wednesday 9pm Supercell Composite

Friday 9pm Supercell Composite

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