California is currently facing an intense heat wave, significantly impacting the already meager snowpack in the Sierra Nevada. This snowpack, which typically provides around 30% of California's water, is currently at a concerning 45% of its average for this time of year, a sharp decline from the 73% recorded in late February. The National Weather Service has issued forecasts indicating that temperatures will soar 15 to 30 degrees above normal across much of the Southwest, with cities like Los Angeles, Palm Springs, Fresno, and Phoenix anticipating potential record-breaking highs. This extreme heat is not only accelerating the melting of the snowpack but also contributing to sublimation, a process where snow transforms directly into water vapor, bypassing the liquid phase and further straining the water cycle.