The northern winds violently blasted across the country on Tuesday, delaying my flight back to Chicago by four hours — and even then, the plane shook alarmingly during descent and while on the ground. I went from a high in Raleigh of 71F to a low in Chicago around 15F. So, it’s been time to dig out the accessories for “Bike Winter”:http://bikewinter.org/tipsAndResources/chicagowinterweather.php, like a hat, the larger helmet (to fit said hat under), and windproof gloves. I may also try out the new booties from Canada.

I’ll bike to work when the temperature is between 10F and 85F, when winds are below 20mph (unless if it’s headed my way, of course), and when the chance of precip is below 35%.