Monday, March 19, 2012

End of cold weather warms our hearts - Winnipeg Free Press

The normal high for this time of year is 0 C. On Sunday, Winnipeg reached 21 C, obliterating the record high for March 18 -- a measly 8.8 C set in 2000.

If you think that's warm, today's high is a July-like 25 C.

The good news doesn't end there. McIntyre says the long-term predictions for summer, June through August, are for above-average temperatures and below-average precipitation.

A Spring Sprung Too Soon Is Death Blow to Butterfly - NYTimes.com

The deadly power of an early snow melt has to do with the particulars of the for the butterfly’s life cycle.

Monarch Migration: How Cold Sensitive Butterflies Survive Winter

we do know why they migrate into Mexico: cold weather kills all life stages of the monarch and unfortunate stragglers freeze to death

1996 : Snowstorm in Mexico

The last big snowfall and cold wave, in February 1992, killed at least 70 percent of the butterflies wintering there, Aridjis said.

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