HEC-HMS Tutorials and Guides Modeling Snowmelt Current: Calibrating Point Snowmelt: Swamp Angel Study Plot, Colorado PDF Download PDF Download page Calibrating Point Snowmelt: Swamp Angel Study Plot, Colorado. Current page Include child pages All pages Calibrating Point Snowmelt: Swamp Angel Study Plot, Colorado Introduction to Point Snowmelt Calibration Option 1. Temperature Index: Swamp Angel Study Plot, Colorado Option 2. Gridded Hybrid Snow: Swamp Angel Study Plot, Colorado Option 3. Energy Budget: Swamp Angel Study Plot, Colorado ×