May 17, 2020 Summary: Showers have already spread over much of northern California. Doppler radar is indicating showers as far south as just north of Monterey along the coast and Stockton inland. The parent low is located roughly 250 miles west of the California/Oregon border. This low and its pool of cold, unstable air will…
Category: Forecast
May 16, 2020/report
May 16, 2020 Summary: We continue to be under the umbrella of a ridge of upper level high pressure which is upwelling along the west coast ahead of a large cold core low currently intensifying in the Gulf of Alaska. That particular low will begin to make weather news in central California beginning Sunday night. …
May 15, 2020/report
May 14, 2020 Summary: A ridge of upper level high pressure is currently upwelling ahead of a large low which is currently intensifying in the Gulf of Alaska. In the short term, this will result in a warming trend through Sunday, at least south of Fresno County. That same low in the Gulf of…
May 14, 2020/report
May 14, 2020 Summary: There remains enough difference in pressure between the coast and the interior for occasionally breezy weather, especially along the west side of the valley. Winds at the Lemoore NAS as of 6:00am were sustained at 17 MPH while the Fresno Air Terminal was reporting winds of 13 MPH out of the…
May 13, 2020/report
May 13, 2020 Summary: Most of the valley is generally clear this morning with the exception of the bulk of Kern County where upsloping is causing cloud cover to bank up against the valley facing slopes of the Kern County mountains. The latest sounding above Meadows Field indicates there are two layers of clouds: one…
May 12, 2020/report
May 12, 2020 Summary: At the upper levels of the atmosphere, a cold low is making its move into the Pacific Northwest. At the surface, a weak cold front extends from northern Utah southwestward through Kern County and out to sea off the coast of Ventura County. A few light showers have been showing up…
May 11, 2020/report
May 9, 2020 Summary: Temperatures at most locations this morning are running anywhere from 5 to 8 degrees cooler than 24 hours ago. The marine layer is nearly 3000 feet deep and will accelerate the cooling trend that began yesterday. A late season storm is off the Oregon/northern California coast. Showers are beginning to…
May 9, 2020/report
May 9, 2020 Summary: Hottest locations this afternoon will again push into the upper 90s. a strong ridge of high pressure extends from northern Baja due north into western Canada while a large low covers the Gulf of Alaska. The marine layer along the coast marginally deepened overnight, however the latest sounding at Monterey indicates…
May 8, 2020/report
May 8, 2020 Summary: Temperatures throughout the valley are running 4 to 6 degrees warmer than 24 hours ago. All the signs are in place for a big warm up as a warm bubble of subsiding air underneath a dome of upper level high pressure will send temperatures in many cases into the upper 90s…
May 7, 2020/report
May 7, 2020 Summary: Upper level high pressure centered just west of the northern Baja coastline is expanding northward and is building a ridge into western Canada. The latest balloon sounding above Oakland this morning indicates the freezing level has jumped to 14,100 feet, roughly 2,000 feet higher than 24 hours ago. The marine layer…