Utah snow storm totals12/13/2023 ![]() These two spur roads close after snow levels begin to require plow removal, but remain accessible for hikers, cross-country skiiers, and snowshoers. There are only two roads that are closed to vehicle traffic for the entire winter season: the 1 mile (1.6 km) road leading to Fairyland Point and the 0.3 mile (0.5 km) road leading to Paria View. Find out how likely school facilities may be closed, due to inclement weather. Along the first three miles of the main road, the Bryce Amphitheater area (which includes Bryce Point, Inspiration Point, Sunset Point, and Sunrise Point) is the first area to be plowed, so it remains accessible even during temporary closures of the scenic southern drive. Closures typically last a day or more, depending on snowstorm durations. Winter Road Closuresįollowing snowstorms, the main park road closes temporarily at mile marker 3 to allow snow plow crews to clear snow from the higher elevations of the park's scenic southern drive. The road is fully open to Rainbow Point (Mile 18 of 18). Baldy Resortthen moving into the Utah and Colorado Rockies, parts of Wyoming, the Midwest, and finally, the ski areas of northern New Hampshire and Vermont. For road conditions outside the park, visit It’s forecasted to hit several ski spots hard, starting with massive snow totals expected in the San Gabriel mountains of Southern Californiaover 100 inches at Mt. While the new probabilistic forecast will generally have the influence of a human forecaster, it should be treated as an experimental product and used with caution, while the legacy mountain weather forecast remains the official snow safety forecast.Check the Alerts above for current road conditions and closure messages. The new probabilistic forecast is considered a beta / test product for the remainder of this season as we gather feedback and input that will inform how this product evolves in the future to meet the snow safety partners' needs. The human forecaster retains the ability to adjust the median or max value of each of these parameters. Wind direction, speed, gusts, and uncertainty are based on in-house model blends. The temperature, snow level, snow ratio, and lightning fields are based on the official NWS point forecast with the spread for each variable derived from the National Blend of Models (includes 100 ensemble members and a mix of high resolution and global models). A powerful storm that moved into the Wasatch Front Thursday night and Friday morning left an impressive amount of snow for residents to shovel and play in. The snow and water amount forecasts are based on the Probabilistic Snowfall Forecasts with the human forecaster able to modify the probabilistic information as needed. Chris Kent, 11, reacts as a chunk of snow from a tree falls on his head at Sugar House Park in Salt Lake City on Friday, Dec. The storm will spread into southern Utah through Monday night and continue into Tuesday. This includes using more robust science and statistics behind each probabilistic field by leveraging the extensive amount of ensemble forecast information now available. He said the snow totals preliminary reports of about 2 to 3 inches along the Wasatch Front were. It will also hit central Utah and as far south as Cedar City. The main goal of developing the new probabilistic mountain weather forecast is to better communicate the range of potential outcomes in the forecast, while also making timing and trend information more readily apparent with visualizations. The snow will pick up again Monday afternoon and last through early Wednesday for most of northern Utah. The operational mountain weather forecast has long provided a simple probabilistic snowfall (and water content) forecast, while many other fields of the forecast like temperature, snow ratio, snow level, and wind provided deterministic forecast values. The new probabilistic mountain weather forecast is being provided for the remainder of this season as a demonstration for our snow safety partners in Little Cottonwood Canyon and Provo Canyon to evaluate the utility of added probabilistic data and new forecast visualizations. ![]()
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