Severe cold and winter storms in late December and early January have disrupted deliveries of propane across North America and the U.S. Northeast. The latest event is the arrival of a Bomb Cyclone (a new term to add to the winter weather glossary – put it before Polar Vortex). The Bomb Cyclone is characterized by fast falling barometric pressure.

This one brought high winds, snow and flooding to East Coast communities from Georgia to Maine earlier this week. The severe weather has caused states to lower speed limits and restrict highway traffic, disrupting the delivery of liquefied petroleum gas (LPG).

The Massachusetts Department of Transportation (Mass DOT) cut the speed limit on...