
Tropical Storm Harvey flooded US refiners and closed fuel pipelines, threatening national fuel supply. The disruption spread to global fuel markets and rerouted millions of barrels of fuel to the Americas.
Lost US refining output tightens global diesel and gasoline supply and pushes up product prices. Crude prices are also pulled higher as refiners lose demand for crude.
After 39 past bullish weather events, ULSD / Diesel moved a median +2.4% over 5 sessions (59% higher; middle half -4.5% to +6.1%), and +8.9% over 20.
After 24 past bullish weather events, Crude Oil (Brent) moved a median +2.8% over 5 sessions (67% higher; middle half -1.9% to +5.2%), and +6.3% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.