As San Franciscans enjoy a pleasant weekend, the National Weather Service in San Francisco urges residents to prepare for a significant shift in weather patterns starting next week. According to NWS San Francisco, this weekend is the ideal time to clear out gutters and secure any outdoor items vulnerable to wet and windy conditions. Two incoming systems promise to bring rain and possible thunderstorms from Monday through Wednesday.
In a recent update, the NWS San Francisco forecast office detailed the impending weather shift. "Rain and thunderstorms return Monday," they declared, emphasizing that the beginning of next week will launch a period of wet weather continuing through to midweek. While Sunday will remain dry with cooler temperatures, the switch to rainfall will happen overnight, with the likelihood of precipitation increasing for the North Bay as Monday morning approaches.
The NWS report also highlighted the strength of the approaching systems, noting that "while the upstream trough knocks on our door the surface reflection shows warm sector intrusion from the low pressure parked off the PacNW coast." This influx is poised to disrupt the recent clarity, ushering in steadily increasing clouds and the kind of steady stratiform precipitation that might catch commuters off guard. Residents accustomed to California's parched conditions may find themselves in the unusual scenario of navigating through rain-slicked streets come Monday morning.
For those who might hope these conditions are fleeting, it's worth noting the longer-term outlook offered by the NWS. The NWS anticipates the second of the two systems, carrying remnants of Tropical Storm Neoguri, to extend the wet weather into the official start of the water year on October 1. It appears that the usual crisp onset of fall may, in fact, be marked this year by rainfall and consistent cloud cover, signaling a dramatic change from California's prolonged dry spell.
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