Monthly Archives: January 2015
The term ‘black ice’ refers to two conditions: a new layer of ice on water, which appears dark in color because the ice is transparent and so we see the deep water below, or as a layer of clear ice on a roadway, which makes for hazardous driving conditions.
In both cases the ice is not black but transparent, and therefore shows the color of the underlying surface. Continue reading
It doesn’t take an exceptional attention span to realize that this year’s cold season (starting in November) has been very changeable.
November was 6.1 degrees colder than normal, then December was surprisingly mild (5.8 degrees above normal). As of Thursday — mid-month — January has been 8.5 degrees below normal. Continue reading
For the first time in about 25 years, the water level of the all the Great Lakes is above normal. Lakes Superior, Michigan and Huron are about 5 inches above the long term average.
This ends a 15-year period where lake levels have been below historic averages. Continue reading
Madison’s overnight low temperature of minus 3 on Dec. 28 was a relatively rare event, all things considered.
As we all know, the temperature dipping below zero in winter is not unusual. But it doesn’t usually happen without snow on the ground, and there are good reasons for that. Continue reading