June 12, 2021 Temperatures on the valley floor are anywhere from 7 to 12 degrees warmer than 24 hours ago. The flow of modified marine air into the valley has ceased both at Travis AFB in the Delta and at Pacheco Pass where light winds are being reported at this hour. The air aloft continues…
Author: John Hibler
June 11, 2021/report
June 11, 2021 Today will be pleasant as opposed to what’s coming down the road. Readings will jump into the mid 80s with lower 90s Saturday and mid to upper 90s Sunday and Monday. The freezing level is rising rapidly. The latest sounding above Oakland indicates a freezing level of 12,400 feet. Twenty four hours…
June 10, 2021/report
June 10, 2021 A relatively cold trough of low pressure moved through California late yesterday and last night. it now extends from western Canada southward into Utah. The air mass in the wake of the system is still quite cool by the standards of mid June. The freezing level this morning over Oakland is all…
June 9, 2021/report
June 9, 2021 A robust trough of low pressure is now making its move into California. The freezing level this morning over Oakland has dropped to 9,100 feet. If you recall, last week the freezing level was well above 16,000 feet. Add to that, the valley has been flooded with Pacific maritime air. Chilly overnight…
June 8, 2021/report
June 8, 2021 A strong low pressure system is located just off the Oregon coast this morning with a trough extending into California. There is also a surface low centered over northern Utah which is creating a strong onshore flow. Currently, winds through Pacheco Pass are at 24 MPH, gusting to 35 MPH. maritime air…
June 7, 2021/report
June 7, 2021 A two pronged attack will result in a much different week this week than the torrid temperatures of last week. The two main features ushering in this cooling trend is a trough of low pressure moving into the Pacific Northwest and northern California and a cut off low now advancing into southern…
June 5 2021/report
June 5, 2021 Enough modified marine air seeped into the valley yesterday to keep temperatures in the mid to upper 90s from Madera County north while the remainder of the valley warmed into the lower 100s. The parameters of the atmosphere are very similar to 24 hours ago. The marine layer remains at nearly 1800…
June 4, 2021/report
June 4, 2021 The center of circulation of the strong upper high is now near the Nevada/Utah border. The freezing level is still quite high, but lower than it’s been over the past 72 hours with a reading of 15,600 feet over Oakland. At the surface, a weak on shore flow is evident. The current…
Medical update
We met with John’s oncologist Tuesday and the news was what we expected, only hoped we wouldn’t hear. John has (here’s the technical stuff) a Stage 1A thymoma in his right lung. In other words, he has a 1.5 inch cancerous mass in his right lung. The good news to this is that thymomas are…
June 3, 2021/report
June 3, 2021 The center of circulation of strong upper level high pressure is directly above central California, for the second day in a row. Yesterday, Taft hit 107 followed by 106 at Bakersfield and Lemoore for the hottest readings in the valley. The air aloft remains midsummerlike with the freezing level at 16,200 feet. …