The July 4th Forecast and The Secret Sauce for Northwest Thunderstorms

July 1, 2022·11 min·1 clip

Cliff Mass reveals a throwback July 4th weekend with showers and thunderstorms over the Cascades.

Cliff Mass provides his weekly weather forecast and analysis in this episode. The focus is on the July 4th holiday weekend weather for Washington state and the broader Pacific Northwest. Mass is a professor of atmospheric sciences known for his detailed regional forecasts. He predicts a weekend with showers, describing it as a throwback to past July 4th weekends. The forecast calls for improvement immediately following the holiday weekend. Thunderstorms are expected to develop over the Cascades and eastern Washington, particularly on Saturday and Sunday. Friday, July 1st, is forecast to be warm with highs in the 70s in western areas and the 90s east of the Cascades. The day is expected to be sunny with no precipitation. Low clouds and cooler temperatures in the 60s are predicted only for the Washington and Oregon coast. Saturday is identified as a transitional day with more clouds in western Washington and highs only in the low 70s. Eastern Washington should still see plenty of sun with temperatures in the mid to upper 70s. An upper-level trough approaching western Oregon will trigger convective showers and thunderstorms over Oregon and the Cascades on Saturday afternoon. The episode promises a later segment on "The Secret Sauce for Nor," which refers to the meteorological ingredients for northeasterly winds. Mass notes that some fireworks enthusiasts might experience natural "fireworks" from the anticipated thunderstorms. The forecast emphasizes a sharp contrast between coastal, western interior, and eastern zone conditions. A surprising claim is that this wet pattern represents a classic, cooler July 4th weekend weather scenario for the region. The detailed breakdown shows how a single weather system will produce vastly different conditions across short geographical distances. The episode highlights the direct impact of the Pacific Ocean and Cascade mountain range on local weather. The tone is educational and explanatory, delivered in a straightforward, lecture-style manner. The style is deeply technical, focusing on specific meteorological features like upper-level troughs and convective activity. This episode is ideal for Pacific Northwest residents planning outdoor holiday activities or anyone interested in regional weather mechanics. Listeners seeking entertainment or broad national weather news might find it too geographically specific and technical.

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