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EtoN 29.8 or below, falling rapidly Severe northeast gale and heavy precipitation; in winter, heavy snow, followed by a cold wave Going to W 29.8 or below, rising rapidly Clearing and colder Tufts of vegetation that might appear firm (butare dangerous substitutes for holds at best) may havetheir root systems soaked and ready to give. Gullies otherwise dry and quiet may rapidly become waterfalls, with rocks falling as well as water. In electrical storms the climber near a lone tree,or on a peak, ridge, or pinnacle, is especially vulnerable.(See Lightning and the Mountain, pages 175—180.) During heavy snowfall crevasses will be well butflimsily hidden, avalanches may occur, or may soon follow. |
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