06 Mar SAN JUAN MOUNTAINS WEATHER: JUICY MARCH STORM
A juicy March storm is on the way so enjoy a very warm, partly sunny Wednesday because there is increasing high cloudiness today and tomorrow as the ridge of high pressure moves east pushed by a fairly large closed-low presently spinning off the Washington/Oregon coast. This low will dig south today just west of San Francisco, moving onshore Thursday.
Deep southerly flow will develop ahead of this system bringing mid- and high-level moisture into the area by Friday morning as the low pushes east across southern California and into Arizona entraining deep subtropical moisture northward into the San Juans.
Models are confident of Heavy Snow for the San Juans through Saturday evening exceeding 12″ (more in special locations) and favoring SSW facing terrain above 11,000′.
The low moves into New Mexico late Friday night sending heavier precipitation into the central/northern mountains, shutting off the southern flow as it moves east by Saturday morning. When the upstream/backside of the low arrives, backing winds shift to the NNE and will favor the north side of the San Juans.
The system will exit by late Saturday night and Sunday so expect drying conditions by the beginning of next week.
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