Snow Data and Snow Data and Snowmelt IssuesSnowmelt Issues

Basis of presentations Basis of presentations Wednesday afternoon and all Wednesday afternoon and all

day Thursdayday Thursday

Snow Data and Snowmelt Snow Data and Snowmelt IssuesIssues

How to maximize SWE data available to How to maximize SWE data available to forecastersforecasters

Collection of accurate SWE dataCollection of accurate SWE data Use of wind shields on NWS precipitation gaugesUse of wind shields on NWS precipitation gauges MAT computational scheme in NWSRFSMAT computational scheme in NWSRFS Lack of high elevation temperature dataLack of high elevation temperature data Forecasting diurnal fluctuation in flow/stage+Forecasting diurnal fluctuation in flow/stage+ Use of snow depth observations in NWSRFSUse of snow depth observations in NWSRFS Use of SNODAS information in NWSRFSUse of SNODAS information in NWSRFS Use of SNODAS output as a snowmelt hazard Use of SNODAS output as a snowmelt hazard

alert toolalert tool Limitations of SNOW-17 to account for Limitations of SNOW-17 to account for

variability in energy balancevariability in energy balance IFP displays of more snow parametersIFP displays of more snow parameters

Forecasting diurnal fluctuation Forecasting diurnal fluctuation in flow/stagein flow/stage

Snow Data and Snowmelt Snow Data and Snowmelt IssuesIssues

How to maximize SWE data available to How to maximize SWE data available to forecastersforecasters

Collection of accurate SWE dataCollection of accurate SWE data Use of wind shields on NWS precipitation gaugesUse of wind shields on NWS precipitation gauges MAT computational scheme in NWSRFSMAT computational scheme in NWSRFS Lack of high elevation temperature dataLack of high elevation temperature data Forecasting diurnal fluctuation in flow/stage+Forecasting diurnal fluctuation in flow/stage+ Use of snow depth observations in NWSRFSUse of snow depth observations in NWSRFS Use of SNODAS information in NWSRFSUse of SNODAS information in NWSRFS Use of SNODAS output as a snowmelt hazard Use of SNODAS output as a snowmelt hazard

alert toolalert tool Limitations of SNOW-17 to account for Limitations of SNOW-17 to account for

variability in energy balancevariability in energy balance IFP displays of more snow parametersIFP displays of more snow parameters