Category: Forecast

Low pressure west of San Diego will move inland through northern Baja later today and tonight. Another low is dropping southward into the Great Basin, too far to the east to have much of an impact on central California. This is allowing a ridge of high pressure off shore to begin to move inland. The…

December 30, 2021 Low pressure continues to slowly move southward off the southern California coast. Showers are still occurring at this hour as far north as the Kern County mountains. The next weather system will essentially be dry for central California. The low is moving through eastern Washington and Oregon and will dive into the…

December 30, 2021 Rain has ended with the exception of the far southeast corner of the valley which is on the extreme northern fringe of precipitation affecting most of southern California. Further north, many locations are reporting a low, gray overcast. Satellite imagery shows low clouds from roughly sacramento southward into the San Joaquin Valley.…

December 29, 2021 The center of circulation of our latest cold upper level low is roughly about 250 miles off the central coast. The circulation pattern around the low continues to push in bands of light showers from southwest to northeast across the valley. By Thursday morning, the low will be southwest of Vandenberg, which…

December 29, 2021 The center of circulation of the latest very cold low pressure system is just off the northern California coast and is moving southward just off shore. The counterclockwise circulation around this storm is causing bands of showers to pinwheel across the valley, mainly north of Kern County. For part of the day,…

December 28, 2021 Weak ripples of low pressure continue to move through northern and central California. The disturbance which moved through this morning, dropped generally less than .25 with a few exceptions in Fresno and Madera Counties. The next low is just off the Oregon coast this afternoon and will quickly drop southward, hugging the…

December 28, 2021 A weak wave of low pressure is now moving through central California. Precipitation has reached the central portion of the valley and will move into the south valley as the morning wears on. A second, stronger, impulse will slide southward along the Oregon coast and will move into  central California later tonight…

December 27, 2021 For much of the day, the west side of the valley, and especially Kern County, has been fighting a rain shadow. Precipitation has finally moved into Kern County. This storm is not quite as cold as expected. Tehachapi at 4,000 feet is reporting light rain and 37 degrees as of noon today.…

December 27, 2021 Precipitation has spread down the Sierra Nevada to Lake Isabella. Rain has spread over the northern half of the San Joaquin Valley and will encompass the remainder of the valley as the day wears on. A rain shadow has developed along the west side, but even there light precipitation will begin shortly.…

December 26, 2021 Even though it’s a very nice day out there this afternoon, the next round of precipitation is knocking at our door. Rain has spread as far south as a Monterey/Merced line as of 1:00pm. The main area of low pressure is centered just west of Portland, Oregon this afternoon where snow is…