Author: Trudy Hibler

September 19, 2022 That same band of energy we discussed on this morning’s report is still in place this afternoon. Light showers come on shore from roughly Vandenburg northward to near San Simeon with light showers moving from south to north through western Kings County and much of Madera and Fresno Counties. So far, Kern…

September 19, 2022 There is a band of showers roughly 50 miles wide which is moving on shore near Santa Barbara then stretches northward through northwest Kern County, through Kings County and then northward through Fresno and Madera Counties before sweeping through Yosemite. We call this a train echo as it trains over the same…

September 18, 2022 The center of circulation of a fairly robust low is just west of San Francisco at this hour. The counterclockwise circulation around this storm is pinwheeling light showers over the northern half of the valley from western Fresno County through Madera County north. Much of the south valley has been in the…

September 18, 2022 Doppler radar is indicating light showers have spread over the northern half of the valley this morning. Some of the precipitation is likely not hitting the ground. A heavier band of showers is moving on shore from the Bay Area down to roughly San Simeon. The center of this storm’s circulation is…

September 17, 2022 Satellite imagery this afternoon nicely depicts a developing storm still well off the northwest California coast. This system is dropping southward with the cloud shield already overspreading northern California. Yesterday, models began to show the center’s path moving a bit further north and that same trend shows up this afternoon. It appears…

September 16, 2022 We remain under a westerly flow aloft which is allowing a rather robust on shore flow to continue, resulting in very comfortable weather. Off the coast of the Pacific northwest is a low pressure system which will drop southward and center off the coast of San Francisco by Sunday evening. Rain will…

September 16, 2022 In the short term, the very pleasant weather of the past few days will continue through Sunday. A westerly flow prevails in the upper atmosphere and is resulting in much cooler air aloft. At the surface, marine air moves through the Delta from time to time, adding to those temperatures that are…

We will be out of the office Friday morning, September 16.   September 15, 2022 We just went through a rain episode from the south. We’re now looking towards a new episode from the north which will arrive late next weekend and later next week. in the short term, we have a zonal flow in…

September 14, 2022 In the short term, we will enjoy a stretch of gorgeous weather as a westerly flow has broken in from the eastern Pacific creating an on shore flow both at the surface and aloft. For the first time in roughly three months, temperatures will not reach the 90 degree mark. In fact,…

September 13, 2022 There are still some scrappy mid level clouds over portions of the valley, mostly based between 10,000 and 15,000 feet. Even so, they’re on their way out as a dry westerly wind flow begins in the upper atmosphere, so pushing the remains of Kay into the Great Basin. A trough of low…