March 26, 2020 Summary: A very cold unstable pool of air is currently above central California. As of 1:30 this afternoon, showers were ringing the valley over the Coast Range, the Sierra Nevada, and the Kern County mountains. Don’t be surprised if a few showers or even a thunderstorm or two forms over the valley…
Category: Forecast
March 26, 2020/report
March 26, 2020 Summary: Doppler radar is indicating the valley is rain free at this hour. There are scattered showers over and just off the central coast. A very cold pool of air is right over central California. Short term high resolution models are indicating that once the daytime heating process gets underway, scattered showers…
March 25, 2020/pm update
March 25, 2020 Summary: Hit and miss scattered showers are moving from west to east across the valley this afternoon. A very cold pool of air is currently moving overhead. In fact, the freezing level earlier this morning over Oakland was only 3,800 feet. Daytime heating is, in part, the catalyst for the formation of…
March 25, 2020/report
March 25, 2020 Summary: Scattered showers continue in various locations in the valley at this hour. The coverage will increase beginning at late morning as the daytime heating effect warms the ground, allowing currents of warm air to spiral skyward, forming more showers and possibly even some isolated thunderstorms this afternoon and evening. We can…
March 24, 2020/pm update
March 24, 2020 Summary: A cold low pressure system is centered just to the west of the Oregon coast this afternoon. Its associated cold front is moving through northern California. Light showers have spread as far south as a Monterey/Merced line. The air aloft is quite telling as the freezing level early this morning over…
March 24, 2020/report
March 24, 2020 Summary: Scattered showers are currently spreading over northern California and along the sierra Nevada from Fresno County northward. A very cold low is centered just to the west of Portland, Oregon this morning. its associated trough is oriented from northeast to southwest from southern British Columbia to off the northern California coast. …
March 23, 2020/report
We regretfully will be out of the office this afternoon, Monday, March 23. Reports will resume Tuesday morning. Thank you. March 23, 2020 Summary: The entire valley from Madera County southward received a good soaking overnight with rainfall amounts generally ranging from .25 to .33. Specific rainfall totals are outlined below in the…
March 22, 2020/report
March 22, 2020 Summary: Showers are already showing up off the central coast this morning ahead of a low pressure system which is centered roughly 400 miles west of the southern California coast. This storm is now on the move and will begin to spread precipitation over the valley this afternoon, especially after roughly 3:00pm…
March 21, 2020/pm update
March 21, 2020 Summary: What is left of a weak upper air disturbance is centered over Merced and Madera Counties this afternoon. Light showers continued for much of the day over Fresno and Madera Counties. Fresno has recorded .05 and Madera .09. the south valley remained dry. Models show this little feature simply dissipating this…
March 21, 2020/report
March 21, 2020 Summary: A weak upper low over western Nevada has actually retrograded back to the west, or in other words right overhead overnight. This oddball pattern tapped into another weak ripple of low pressure off shore and spread light showers over the valley overnight. As of the time of this writing, light showers…