A rapidly moving very cold trough of low pressure is currently diving into the Great Basin. This trough will lead to a couple of very cold nights in the valley with subfreezing overnight low temperatures tonight. Temperatures will quickly fall over the Desert Southwest and southern California, leading to strong gusty winds in many areas…
Category: Forecast
February 13, 2023 report
February 14, 2023 John is extremely sick but is putting out an abbreviated forecast anyway. When a person is sick, the mind doesn’t work as well, but I do know the basics well enough to give you the bottom line. Coming up Wednesday and Thursday, we have a modified trough of low pressure sinking southward…
February 12, 2022 afternoon report
February 12, 2023 The first in a series of weather systems is no longer having a direct impact on central California’s weather and has now dropped into northern Baja California. System number 2 is now racing southward through western Canada and will drive into the interior western US Monday and Monday night. Like its predecessor,…
February 12, 2023 report
February 12, 2023 The first minimal chance of measurable rain has now passed as the low center has moved off into southern California. the second minor chance will come in the form of a very cold trough of low pressure which will stretch from Utah on the east to California on the west. This system…
February 11, 2023 afternoon report
February 11, 2023 Temperatures at midday are running anywhere from 6 to 11 degrees cooler than 24 hours ago. The center of circulation of a cold upper low is located near San Simeon at this hour and is drifting southward parallel to the coast. Doppler radar continues to show light showers up and down the…
February 11, 2023 report
February 11, 2023 The center of circulation of a cold upper low is just south of San Francisco this morning. The only shower activity in central California is over the Sierra Nevada where the counter clockwise circulation around the low has the showers running from south to north along the range. As the low drifts…
February 10, 2023 report
February 10, 2023 Today will be the last mild day we will see for a while. Warmer locations on the valley floor this afternoon will top the 70 degree mark before dropping back into the mid 50s Saturday. A low center over the Pacific Northwest is beginning to displace the high currently over California. This…
February 9, 2023 afternoon report
February 9, 2023 Building upper level high pressure is continuing the warming trend this afternoon. Most locations on the valley floor are running 3 to 5 degrees higher than 24 hours ago. The warming trend will peak Friday with warmest locations teasing with the 70 degree mark. The high responsible for the mid conditions is…
February 9, 2023 repoort
February 9, 2023 Upper level high pressure is right above central California this morning with a ridge extending upwards into the Pacific Northwest. The descending motion of the air compressing downward toward the earth will result in additional warming today and Friday. In fact, warmest locations Friday afternoon may eclipse the 70 degree mark. The…
February 8, 2023 afternoon report
February 8, 2023 Upper level high pressure continues to build northward along the west coast. Most locations on the valley floor are running in the mid to upper 50s at midday and will warm into the lower 60s by the time this day goes into the history books. As the high continues to build, temperatures…