Colorado Avalanche Information Center forecast | SummitDaily.com
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Colorado Avalanche Information Center forecast

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This is Spencer Scott at the Colorado Avalanche Information Center with current information on mountain weather, snow and avalanche conditions at 6:15 am, Wednesday, December 08, 2004.DISCUSSIONUnsettled weather today, with clouds and scattered snow showers, gets interesting tonight. A strong jet and moisture on NW flow should bring snow to the northern part of the state tonight through Thursday. The moisture is forecast to stay in the NW corner of the state, favoring the Steamboat zone and the northern half of the Central Mtns. High pressure is following by Friday. The forecast details:Northern Mountains Wednesday: Cloudy, light snow, 0-2″. Winds WSW/15-25, higher abv TL and ridgetops, G 50-60. Highs 14-24 Wednesday Night: Snow 3-6″, 4-8″ Steamboat Zone. Winds W/15-25, stronger nr & abv TL. Lows 8-18. Thursday: Snow, add’l 3-6″, 4-8″ Steamboat Zone Winds NW/15-25, G 50s. Highs 10-20. Thursday Night: Mostly cloudy, continued snow. Winds continued strong. Lows 8-18.Central Mountains Wednesday: Snow, 0-2″. Winds WSW/10-20, Gs 30s near TL. Highs 14-24. Wednesday night: Snow 2-4″, more Grand Mesa and West Elks. Winds W/15-25. Lows 5-15. Thursday: Snow 2-4″, more Grand Mesa and West Elks. Winds NW/15-25. Highs 10-20. Thursday Night: Mostly cloudy, continued snow. Winds continued strong. Lows 8-18.Southern Mountains Wednesday: Part cloudy, snow showers 0-2″, favor Telluride. Wind W/10-20, Gs 30s. Highs15-25 Wednesday night: Mostly cloudy, snow showers favoring Telluride 2-4″. Winds NW/15-25. Lows 10-20. Thursday: Mostly cloudy, showers on N side. Winds N/20-30, G 60s. Highs 15-25. Thursday Night: Partly to mostly cloudy. Winds continued strong. Lows 8-18.SNOWPACKTwo new slides reported Tuesday, the first between Peak 6 & 5 in the Tenmile Range of Summit County, a hard slab, around 4 ft crown, about 700 ft wide, on an easterly aspect around 12000′. Strong winds continued overnight, blowing the little snow that fell. In the Elkhead Mountains & Northern Park Range (Buffalo Pass & North) of the Steamboat zone, MODERATE with pockets CONSIDERABLE near & above TL, still LOW well below TL. The rest of the Steamboat zone . MODERATE above TL and LOW at and below TL. The Front Range and Summit/Vail zones of the Northern Mtns, all the Central Mtns, and the W San Juans . near & above TL, MODERATE with pockets of CONSIDERABLE, especially on slopes facing NW-N-SE and any cross-drifted slopes and gullies; well below TL, LOW with pockets of MODERATE. Snowpit data from Telluride area showed a very easy failure with a very clean shear about a foot and a half deep, on NE aspect about 12,000ft. Surface hoar and weak snow formed over the past week is now buried under a few inches of snow. This will bear close scrutiny over the next few days as it is loaded by additional new and wind-blown snow. Wolf Creek area . The other avalanche reported yesterday was deliberately triggered by a skier kicking a cornice on an E aspect at TL, it stepped down into several older weak layers. MODEARTE on N to E aspects near & above TL, LOW on the other aspects and below treeline. If the forecast snowfall and strong winds verify in the N and C mtns, expect an increase in the avalanche danger. The new-snow load will fall onto a snow surface weakened by strong temperature gradients, slide activity would be expected to step down into older weak layers. This could get interesting next 24-36 hours. For more about the Colorado Avalanche Information Center, go to http://geosurvey.state.co.us/avalanche/ For more about the Colorado Avalanche Information Center, go to http://geosurvey.state.co.us/avalanche/


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