February 18

Porter to Thomas Fork

Elevations, slope angles and aspects

5500-9780, angles over 40°, north and west facing aspects

Snow conditions

Storm totals were around 16", less down low, add an inch or two up high. There were a couple of density changes, with the lightest snow on top. Bonding was good, settlement eliminated much of the sluffing. A natural slide cycle during the storm did produce some long running slides on the steepest north facing. Cornices have grown quite large above lee facing aspects

cornice-fall

and were sensitive to skier weight.

Weather

Overcast skies for much of the day, with some partial clearing. Instability showers added, perhaps, an inch of light density. Winds were light and temperatures moderate.

Evaluation

Snow is mostly stable. There may be a few active wind drifts, especially at upper elevations in exposed terrain. Day time heating could also play a role by afternoon.

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February 18 journal

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