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Posted

Follow the sun and you should be fine.

 

WAZ518-519-252315-

WEST SLOPES NORTHERN CASCADES AND PASSES-

WEST SLOPES CENTRAL CASCADES AND PASSES-

INCLUDING THE CITIES OF...DARRINGTON...MARBLEMOUNT...CONCRETE...

INDEX...SNOQUALMIE PASS...RANDLE...PACKWOOD...ASHFORD...MORTON

400 AM PDT THU SEP 25 2008

 

.TODAY...SHOWERS. SNOW LEVEL 6000 FEET. AFTERNOON PASS TEMPERATURES

AROUND 50. LIGHT WIND BECOMING WEST AROUND 10 MPH THIS AFTERNOON.

.TONIGHT...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. SNOW LEVEL 7500

FEET. WEST WIND IN THE PASSES 10 TO 15 MPH DECREASING TO 10 MPH OR

LESS AFTER MIDNIGHT.

.FRIDAY...PARTLY SUNNY. FREEZING LEVEL 10000 FEET. AFTERNOON PASS

TEMPERATURES IN THE MID 50S TO LOWER 60S. LIGHT WIND.

.FRIDAY NIGHT...MOSTLY CLOUDY. FREEZING LEVEL 10000 FEET. LIGHT

WIND.

.SATURDAY...PARTLY SUNNY WITH A CHANCE OF SHOWERS. SNOW LEVEL 8000

FEET. AFTERNOON PASS TEMPERATURES IN THE UPPER 50S. WEST WIND IN THE

PASSES 10 TO 15 MPH.

.SATURDAY NIGHT...MOSTLY CLOUDY. FREEZING LEVEL 11000 FEET.

.SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. FREEZING LEVEL 13000 FEET.

.MONDAY AND MONDAY NIGHT...PARTLY CLOUDY. FREEZING LEVEL 13000 FEET.

.TUESDAY...PARTLY SUNNY WITH A CHANCE OF RAIN. SNOW LEVEL 11500

FEET.

.TUESDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN. SNOW LEVEL

10500 FEET.

.WEDNESDAY...RAIN LIKELY. SNOW LEVEL 8000 FEET.

 

 

 

Posted

Better than what you got so far, but not great. I haven't been that way, but this is from the DOT mailing list Monday morning:

 

The first day of fall brought snow to the North Cascades. While the air temperature at Washington Pass at 1 o'clock this morning was 37 degrees - it was below freezing about a thousand feet higher and the precipitation that started falling came down as snow. By 6 a.m., the freezing level had dropped to 5,000 feet and the temperature at Washington and Rainy was down to 32 degrees - low enough so the 2 inches of snow that had fallen in the previous six hours started sticking on the shoulders. By 10 a.m., it was 41 degrees, but still snowing off and on, according to our maintenance crews. The pavement temperature is still 46 degrees, so nothing has stuck to the driving surface, but there's some slush. The forecast says we can expect an inch or two of snow today, but it will turn to rain on the westside by tonight(none on the east) as the freezing level starts rising for the rest of the week (up to 9,000 feet by Wednesday).

 

Telemetry indicates that the temp at 6600' was below freezing on Tuesday, but above freezing the rest of the time. I'd be willing to bet that snow will melt in the sun, but probably will remain on routes that are shaded.

Posted

I know someone who turned around on Ingalls last w/e. Got up the first pitch on the easy route - and hit ice. More concerned about snow accumulation right now and weather it will melt in time for Sat.

 

Hmm. . .that sounds strange.

 

We climbed the West Ridge of Stuart last weekend and didn't encounter any ice or snow (at least no ground accumulation). It snowed for several hours while we were climbing though. The descent was miserable in the rain.

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