Monday, February 11, 2019

Models Trending Bit Drier This Morning


At 7:26 am this morning campus webcam shows band of low clouds from west across the Catalinas.

Down at bottom is photo of "hail" at Pebble Beach yesterday - although it was reported as hail, it may have been graupel. Nevertheless, two weather delays there kept the tournament from finishing yesterday.


The GEFS forecasts from 06 UTC last night are trending drier relative to yesterdays. The QPF plumes (above) show considerable uncertainty, both in timing and possible amounts, for the airport. from mid-week through the weekend. The PW plumes still forecast a significant increase, peaking on the 16th. However, most members are shifting the broad plume of subtropical northward into southern California, as per, the 06 UTC WRF-GFS PW forecast (second below on 5.4 km grid) that is valid on the 14th at 11:00 am. Clearly a "watch and see" situation for 14th through the 18th.



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