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Your search for Keyword "precipitation."resulted in 41 records.

Title: TOWARDS REAL-TIME FRACTIONATION OF MIXED-PHASE PRECIPITATION
Date: 2026-09-28
Authors: Eric R. Pardyjak, Dhiraj K. Singh, Daniel Webster, Benjamin H. Silberman, Timothy Garrett, Travis Morrison
Description: Near-surface precipitation can occur as liquid, solid, or mixed-phase hydrometeors. In many winter storms, individual particles are not purely rain or...
Object ID: ISSW2026_FS4.4.pdf
Keywords: mixed-phase precipitation, deid, avalanche forecasting, rain-on-snow events.
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Title: ANALYZING AUTOMATED AND METEOROLOGIST-DERIVED QUANTITATIVE PRECIPITATION FORECASTS: OPERATIONAL APPLICATIONS IN HIGHWAY AVALANCHE FORECASTING PROGRAMS
Date: 2024-09-23
Authors: John Stimberis, Seth Waterfall, Rachel Griffith
Description: Mountain weather significantly influences avalanche activity in maritime snow climates. The rapid accumulation of precipitation from snow or rain-on-s...
Object ID: ISSW2024_O1.4.pdf
Keywords: avalanche forecasting, weather forecasting, weather data, forecast accuracy, highways, precipitation.
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Title: MOUNTAIN RAIN OR SNOW: ENHANCING AVALANCHE FORECASTING WITH REAL-TIME PRECIPITATION PHASE DATA
Date: 2024-09-23
Authors: Anne Heggli, David Reichel, Brian Brong, Benjamin Hatchett, Nayoung Hur, Meghan Collins, Keith Jennings, Monica Arienzo
Description: Both minor and major rain-on-snow events can create a weak layer in the snowpack or reduce snowpack stability, increasing the potential for avalanche ...
Object ID: ISSW2024_P1.13.pdf
Keywords: snow level, probabilistic forecast, precipitation phase, sierra nevada
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Title: ASSESSING THE IMPACT OF PRECIPITATION INPUTS ON SNOWPACK SIMULATIONS IN WESTERN CANADA
Date: 2024-09-23
Authors: Kelsea Krawetz, Pascal Haegeli, Simon Horton
Description: Public avalanche forecasters in Canada increasingly rely on snowpack models to augment manual observations for avalanche hazard assessments, but sever...
Object ID: ISSW2024_P3.2.pdf
Keywords: snowpack models, precipitation, uncertainty, snow depth, validation
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Title: COMPARISON OF THE PERFORMANCE OF PRECIPITATION GAUGES DURING SNOWFALL IN WINDY CONDITIONS
Date: 2024-09-23
Authors: Jóhannes Konráð Andrésson
Description: One of the main factors contributing to the risk of natural avalanches is precipitaion. Measuring precipitation is known to be challenging, especially...
Object ID: ISSW2024_P8.30.pdf
Keywords: precipitation gauges, weighing bucket gauge, precipitation measurement, solid precipitatio
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Title: ENHANCED WINTER PRECIPITATION NEAR FERNIE, BRITISH COLUMBIA
Date: 2023-10-08
Authors: Michael Conlan, James Floyer
Description: The Lizard Range near Fernie, B.C. often receives high amounts of precipitation in winter months, which can be substantially more than forecast by wea...
Object ID: ISSW2023_P1.06.pdf
Keywords: enhanced precipitation, fernie factor, numerical weather prediction, weather forecasting, avalanche forecasting
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Title: A TWO-YEAR TIME SERIES OF SNOWPACK AND ENERGY BALANCE FIELD MEASUREMENTS ACROSS RECORD-BREAKING WINTERS AT ATWATER STUDY PLOT (ALTA, UT)
Date: 2023-10-08
Authors: Otto I. Lang, S. McKenzie Skiles
Description: At Alta, Utah, the 2021-2022 snow season was characterized by a multi-month snow drought and record-breaking dust-on-snow deposition. Although storms ...
Object ID: ISSW2023_P2.07.pdf
Keywords: dust on snow, precipitation extremes, snow metamorphism, hydrology
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Title: TOWARDS IMPROVED SNOWFALL ESTIMATIONS IN THE CANADIAN MOUNTAINS IN SUPPORT OF AVALANCHE HAZARD ASSESSMENT
Date: 2023-10-08
Authors: Jean-Benoit Madore, Vincent Vionnet, Dikraa Khedhaouiria, Nicolas Wagneur, William Durand, Vincent Fortin, Alexandre Langlois
Description: Snowfall significantly influences avalanche hazards in mountainous regions, and accurately estimating snow properties in Canada's vast mountains remai...
Object ID: ISSW2023_P3.24.pdf
Keywords: solid precipitation estimation, snowpack modeling, mountains
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Title: Effect of snow cover on hydrological response during rain-on-snow events
Date: 2018-10-07
Authors: Roman Juras, Johanna Blöcher, Michal Jenicek, Ondrej Ledvinka
Description: Rain-on-snow (ROS) events have been in the focus of hydrologists over the last few decades. The frequency of the occurrence of this phenomenon is incr...
Object ID: ISSW2018_P05.5.pdf
Keywords: flood protection, precipitation, hydrological response, the czech republic
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Title: Investigating performance and correlation of ground-based snow depth and precipitation measurements
Date: 2018-10-07
Authors: Kay Helfricht, Lea Hartl, Roland Koch, Christoph Marty, Marc Olefs
Description: The performance of snow models is highly affected by the quality of precipitation input data. Particularly solid precipitation measurements in mountai...
Object ID: ISSW2018_P05.6.pdf
Keywords: precipitation correction, snow cover modelling, new snow density.
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Title: Approaches of avalanche predictions resulting from non-rimed falling snow crystals using the SNOWPACK model
Date: 2018-10-07
Authors: Hiroyuki Hirashima, Satoru Yamaguchi, Kazuki Nakamura, Akihiro Hashimoto
Description: On 27 March 2017, an avalanche accident occurred at Nasu, Tochigi Prefecture, Japan, resulting in eight deaths. The avalanche was induced by the colla...
Object ID: ISSW2018_P10.20.pdf
Keywords: stability, precipitation particle, numerical snowpack model
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Title: Potential and Challenges of an Extensive Operational Use of High Accuracy Optical Snow Depth Sensors to Minimize Solid Precipitation Undercatch
Date: 2016-10-02
Authors: Kay Helfricht, Roland Koch, Lea Hartl, Marc Olefs
Description: Within the pluSnow project we analyse snow depth measurements using the SHM30 optical sensor with the objective to minimize the error of solid precipi...
Object ID: ISSW16_P1.28.pdf
Keywords: new snow, snow density, solid precipitation, undercatch, snow water equivalent
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Title: Forecast Verification for the NCAR Ensembles, NAEFS Downscaling Technique, and Human Forecaster in the Western United States
Date: 2016-10-02
Authors: Steven Clark, Jeff Jenkins, Cameron Negrete, Sam Postich
Description: The amount and timing of precipitation is one of the most difficult weather variables to forecast, especially in the Western United States. Safe and e...
Object ID: ISSW16_P4.07.pdf
Keywords: ncar, naefs, qpf, precipitation
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Title: Atmospheric Rivers and Large Avalanche Events in Slide Canyon, Utah, USA
Date: 2016-10-02
Authors: Matthew C. Primomo
Description: An atmospheric river (AR) is a narrow and long atmospheric structure that is responsible for the majority of horizontal water vapor transport outside ...
Object ID: ISSW16_P4.19.pdf
Keywords: atmospheric river, integrated vapor transport, large avalanche, orographic, precipitation
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Title: Continuous Real-time Snow Properties with Ground Penetrating Radar
Date: 2016-10-02
Authors: Hans Peter Marshall, Mark Robertson
Description: Measurements of snow water equivalent (SWE) are important for multiple user groups, but the technology for operational continuous collection has not i...
Object ID: ISSW16_P1.13.pdf
Keywords: snow water equivalent, radar, precipitation, continuous, real time
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