Moisture Surge from the south in process but little in the way of lift over Eastern CA today…..Instability should increase with time later today and tonight….
Friday April 8, 2016
Posted at 11:00 am by Howard
Radar is showing light returns over Southern Inyo Country late this AM, but little instability is over the eastern central CA ATM. Latest guidance at 250MB on the 12z NGM and GFS has good upper divergence over the central sierra late today and tonight. CAPE is expected to increase over the crest this afternoon to 250 J/KG. So well see if we get any showers today.
We are moving toward mid April now, and weather systems are being influenced more and more by daytime heating. A more hybrid situation exists with both Dynamic lift and Convection generated by surface heating. By the time we get to Mid April, the angle of the sun in the sky is like late August. Convective Available Potential Energy (CAPE) becomes an important parameter in the lifting process for precipitation.