Caution Is Advised for anyone traveling across the high country of the High Knob Massif through the remainder of today into early Wednesday, with freezing fog (riming) and slick conditions on Routes 237, 238, 619, 704 and many others (*).

*It should be noted that portions of some roads may be impassible, such as Route 237 in the Davenport Gap area between Little Mountain Knob and Big Cherry Lake, with chains and a high profile vehicle required.

Prolonged riming will finally end as drier air invades the high country into this evening, with clouds Tuesday being trapped beneath a low-level inversion.

Andrew Greear, superintendent of the City of Norton Water Plant, and veteran technician Joe Carter, measured 0.38″ of water content in this snow event (4.5″ total snowfall) with 4″ of snow on the ground at 9:00 AM today (3 December).

The City of Norton Water Plant is located at the base of High Knob, at approximately 2342 feet above sea level.

Nearly twice as much snow fell at the heavily rimed summit level, above 4000 feet, where ground depths varied dramatically in strong NW winds throughout Monday into Monday Night (with 0 degree WCFs).

A covering of new snow coated many secondary roads into Tuesday morning as upslope snow and snow showers continued, with Joe & Darlene Fields showing what conditions were like on State Route 706 heading toward Tacoma (below the riming).