Use of GIS at the Northwest River Forecast Center Portland, OR Steve King Hydrologist, NWRFC

Categories of GIS Use  Customer Products  Typically Automated Production  Posted To Web  Internal Products  Analysis Tools  Maps  Publications  Outreach

GIS Implementation at the NWRFC  Platforms  HPUX ESRI ArcView 3.1ESRI ArcView 3.1  Windows XP ESRI ArcGIS 9.2ESRI ArcGIS 9.2 ESRI ArcView 3.3ESRI ArcView 3.3  Trained Users  1-3 Staff Members with formal GIS training

Dependence on IHABBS

GIS Based Customer Products

QPS Plots (24hr totals, days 1-3) QPS Plots (24hr totals, days 1-3)

Gridded QPS Plots (6hr totals) Gridded QPS Plots (6hr totals)

QPS Plots (10days and verification)

Water Supply Plots

Gridded Flash Flood Guidance

Use of PRISM to modify GFE QPF

GIS Based Internal Products

SAC-SMA States Viewer  GIS used to map current soil- moisture conditions in hydrologic model  Used to analyze model contents and improve calibrations

Snow States Viewer  GIS used to map current snow water conditions in hydrologic model  Used to analyze model contents and improve calibrations

GIS Based Analysis Tools

FLDWAV Calibration  Cross Sections derived from digital elevation data using GIS

Dambreak Modeling (St Helens)

Calibration of DAMBREAK Model (St Helens)  Cross Sections derived from digital elevation data using GIS

Snow Compare Page Snow Compare Page

Water Suppy Calibration (regcand)  Selects Stations within user- defined box  Performs correlation analysis on stations  CBRFC design based on Open Source software

Mapping (Publications, Outreach, Media)

Project Status

Storm/Flood Report Graphics

NWRFC Maps Using Maplex

Improved Labeling Using Maplex

The End