Day 1 Severe Weather Outlook

Valid 071630Z – 081200Z


A few thunderstorms may occur along the coast of northwest
California to Washington this afternoon and evening.

A progressive large-scale flow regime will continue over the CONUS
through tonight. Any thunderstorm potential will be related to a
shortwave trough/frontal band approaching the Pacific Northwest. As
mid-level temperatures cool, weak surface-based buoyancy may support
isolated thunderstorms along coastal portions of Washington/Oregon
and northern California this afternoon and evening. Thunderstorm
potential will diminish later tonight as mid-level temperatures

..Guyer/Bentley.. 01/07/2020


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