Winter storm warning in effect

As of 9:18 PM EST Tuesday 08 December 2009, Environment Canada issued the following Winter storm warning for for the North Bay - Powassan - Mattawa - West Nipissing - French River areas.

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..15 to 25 centimetres of snow accompanied by strong easterly winds..

This is a warning that dangerous winter weather conditions are imminent or occurring in these regions. Monitor weather conditions..Listen for updated statements.

An intensifying low pressure system currently centred over Missouri is moving towards the upper Great Lakes.

Snow associated with this system will begin after midnight over Manitoulin Island and spread northward and eastward. The bulk of the snow is expected to fall Wednesday into Wednesday evening. 15 to 25 centimetres of snow are expected for the above regions before it tapers off Wednesday night.

Strong easterly winds near 60 km/h may whip the freshly fallen snow causing blowing snow and reduced visibility. Travellers should be prepared for hazardous winter driving conditions and allow extra time to reach their destinations.

In the wake of the storm..Cold westerly winds going over the Great Lakes will set up another lake effect event for snow belt areas on Thursday.

Environment Canada will continue to monitor this developing situation closely. Further warnings may be issued for areas to north as warranted.

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3:35 PM EST Tuesday 08 December 2009
Winter storm warning for North Bay - Powassan - Mattawa
changed from Snowfall warning

..15 to 25 centimetres of snow accompanied by strong easterly winds..

This is a warning that dangerous winter weather conditions are imminent or occurring in these regions. Monitor weather conditions..Listen for updated statements.

A winter storm intensifying over the southwestern states is moving towards the upper Great Lakes.

Precipitation associated with this system will begin as light snow late this evening over Manitoulin Island and spread northward and eastward overnight. The bulk of the snow is expected to fall Wednesday into Wednesday evening. Snow will likely change to rain for Manitoulin and its vicinity Wednesday evening. 15 to 25 centimetres of snow are expected over the above regions before it tapers off Wednesday night.

Strong easterly winds near 60 km/h may whip the freshly fallen snow causing blowing snow and reduced visibility. Travellers should be prepared for hazardous winter driving conditions and allow extra time to reach their destinations.

In the wake of the storm..Cold westerly winds going over the Great Lakes will set up another lake effect event for snow belt areas on Thursday.

Environment Canada will continue to monitor this developing situation closely. Snowfall warning may be extended to other regions later today if necessary.

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