Unusually active June jet stream energizes late season low pressure before giving rise to broad and strong ridge by mid-June, with significant PacNW/NorCal heatwave possible

An unusually strong Pacific jet persists, driving continued unsettled West Coast weather into June The May and early June weather pattern across the West Coast has been–and remains–a changeable one. Repeated late season trough and low pressure sequences, bringing both unusually late-season showers as well as periods of fire weather-elevating dry north winds–have been the […] The post Unusually active June jet stream energizes late season low pressure before giving rise to broad and strong ridge by mid-June, with significant PacNW/NorCal heatwave possible first appeared on Weather West.