Begin your article by briefly describing the upcoming stormy conditions in Seattle, emphasizing the potential for heavy rain, gusty winds, and localized flooding. Segue into the science of weather forecasting, explaining the technologies and tools meteorologists use to predict such weather events. Highlight the importance of these forecasts in ensuring public safety and how accurate predictions allow residents to adequately prepare. Offer practical preparedness tips for readers, such as clearing storm drains, securing outdoor objects, and staying informed through reliable weather updates. Conclude by encouraging readers to be proactive and safe during the storm.