SPC MD 165
MD 0165 CONCERNING HEAVY SNOW FOR PORTIONS OF THE SIERRA OVER CENTRAL CALIFORNIA Mesoscale Discussion 0165 NWS Storm Prediction Center Norman OK 0903 PM CDT Wed Mar 12 2025 Areas affected...portions of the Sierra over central California Concerning...Heavy snow Valid 130203Z - 130600Z SUMMARY...Heavy snow should continue over the next several hours, with snowfall rates potentially increasing to over 2 inches per hour soon. DISCUSSION...Deep-layer moisture and ascent persists across portions of California into the Great Basin with the approach of a potent upper trough. Deep-layer cold-air advection with the upper trough's approach is encouraging the column to cool to