North West Slider to drop another 3 to 5 inches Wednesday night and another 2 inches Thursday

Snow to water ratios will be 15:1 or greater so “Platinum Powder” snow>>>>Then fair dry weekend into next week…

With the exit of the Trof that brought wind, moderate snowfall Sunday night into Monday AM, much improved weather will highlight our resort the next 8 to 14 days. Our hemispheric pattern is showing up more La Nina like as it should. With the Long Wave Trof developing over the Inter Mountain West while the mean ridge position is some 700 -1000 miles west of the Sierra off shore. Expect mainly inside sliders type systems. These will dominate our weather, bringing small shots of powdery snowfall and much colder weather. High temperatures will be mainly in the 20s now for Mammoth this week with nights in the Single Digit’s or possibly below zero Thursday morning. Thursday AM will be particularly cold for Mono County’s high elevations valleys. Places like Bridgeport and Long Valley may go -20F to -30F that morning!

 

Tropical Forcing:

The CPC this morning made a point to say that the MJO is Destructively Interfering with La Nina. At the same time, the scientists are saying that sub surface cooling is occurring over the equatorial central pacific, which may delay ENSO neutral conditions to develop this spring.

The pattern we just came through was more akin to EL Nino forced west coast weather. So far, climatologist’s have not come up with an agreed upon answer.

A return to more La Nina like forcing is what is expected through Months End.  So it looks fairly dry with only few small cold systems.

The climatic prediction center also indicated its week 3 outlook is for retrogression of the Eastern Pacific high, back toward the Central Pacific. This retrogression may begin the end of January, and complete during the first week of February. Rain and snow should return to California during the first week of February.  This pattern is not expected to be a return to what we just went through with several AR’s  Rather, a more typical return to mid winter’s La Nina pattern, with cold storms and the focus of the most anomalous precipitation back over the Pacific Northwest.

 

BTW; Mammoth Mt has indicated that the season total at the Main lodge is now 378 inches.  What a difference a year makes!

 

More Later….

 

Dr Howard and the Dweebs………………:-)