Snowy Saturday……Clearing Then Cold Tonight!

Snowfall began early Saturday. In fact by 7:00am there was already a dusting on the ground at the Village. Updated RFC QPF early this afternoon was back up to an inch for the Crest. So given water/snow ratios…were were back up to about 15 inches for the crest and 4 to 8 inches in town with about a foot or a bit better at the main lodge. This is certainly not a major storm, but a nice one nevertheless! It will be cold Sunday with highs in the 20s in town and single digits in the morning. The upper jet north/south over the Sierra will develop Monday. that means that it will be a blowing up upon the Sierra Crest!   

Santana’s for Southern Ca Tuesday.

An upper ridge in the mean is a bit too far west, out at the dateline for a good solid storm at the moment……that good for the Pacific NW but whimpy for the central coast….Stay Tuned!!!!!!!!!!!!!!!!!

The Dweebs have you covered!


Reference Glossary of Weather Terms

New System To Move Into The Sierra Saturday…..Then Fair and Cold Sunday

3:00pm Update:


Forecast Snowfall Forecast still good:

3 to 6 inches in town with 6  to 12 inches over Mammoth Mountain

Snow to begin falling about late Morning….

Good Morning Everyone…

This mornings 12z model runs showed good agreement with the next
west coast trof coming into the Great Basin early Sunday morning. There after…..building
eastern pacific heights behind this trof will move into the west coast Monday and Tuesday,
for a stretch of fair mountain weather and set off a Santana event for Southern California Monday- Tuesday. Thereafter….the upper flow allows for a couple of fast moving short waves Thursday and Friday that allow for some snow showers here in the high country. However the main effect of this pattern will be breezy weather locally and windy conditions for the crest. Differences show up in the longer range with the ECMWF fairly consistent with another deep west coast trof for next weekend, while the GFS has a much weaker system.

Back to the shorter range, the new model runs are coming in a bit dryer again with the Saturday/night storm for the high country. CRFC has backed off on their QPF from about an inch and a quarter near Yosemite to .88 storm total by Sunday morning.   Based upon this and the new dryer run of the NAM/WRF…the Dweebs believe that some 3 to 6 inches are in order for the Town of Mammoth and some 6 to 12 inches for Mammoth Mountain. This was the earlier thinking on Wednesday.

Snow will begin falling about mid morning Saturday with the main snowfall later Saturday afternoon through Saturday night through 10:00pm, then should decrease rapidly Sunday morning.  Winter Weather Advisories will be in order for slick roads and gusty winds Saturday night. There should be no winter travel problems except for snow covered roads leaving Mammoth Sunday afternoon.

Expect highs today Friday in the mid 40s in town with lows tonight in the 20s. Cooler weather will arrive both Saturday and Sunday with highs Saturday in the mid 30s cooling to the mid to upper 20s on Sunday. *Freezing levels will fall from 9800 to 4200 by Sunday. (*Not the Snow level)

Dr Howard and the Dweebs………………………:-)

Reference Glossary of Weather Terms

Happy Thanksgiving from the Dweebs!!

Just a quick update at (9:00pm) to indicate more beautiful weather through Friday. Temps hit 41 here at the village today and will go to the mid 40s by Friday.  The next storm will bring light to moderate amounts of snowfall with an estimated 5 to 8  inches in the Town of Mammoth and some 9 to 15 inches over Mammoth Mountain. The period from late afternoon Saturday through 12:00 AM Saturday night looks to be the heaviest with snowshowers  through Sunday morning.

A winter weather advisory will likely be issued in the morning for Saturday afternoon/night.

Longer range fantasy charts are beginning to show some really big storms in early/mid dec.

They are hinting at a replay of last week  next month. Stay tuned and keep your snorkels handy……………….:-)

Dr Howard and the Dweebs………………………:-)

Reference Glossary of Weather Terms