Towards Better Utilization of NEXRAD Data in Hydrology
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Transcript of Towards Better Utilization of NEXRAD Data in Hydrology
Towards Better Utilization of Towards Better Utilization of NEXRAD Data in HydrologyNEXRAD Data in Hydrology
Anton Kruger, University of IowaAnton Kruger, University of IowaAGU Fall MeetingAGU Fall Meeting
San Francisco, December 11, 2006San Francisco, December 11, 2006
UCAR/UnidataUCAR/Unidata
Princeton UniversityPrinceton University
National Climatic National Climatic Data CenterData Center
The University The University of Iowaof Iowa
Project ParticipantsProject Participants• The University of Iowa (Lead)The University of Iowa (Lead)
– W.F. Krajewski (PI)W.F. Krajewski (PI)– A.A. Bradley, A. Kruger, R.E. Lawrence, R. A.A. Bradley, A. Kruger, R.E. Lawrence, R.
Goska, B. Seo, C GunyonGoska, B. Seo, C Gunyon
• Princeton UniversityPrinceton University– J.A. Smith (PI)J.A. Smith (PI)– M. Steiner, M.L.BaeckM. Steiner, M.L.Baeck
• National Climatic Data CenterNational Climatic Data Center– S.A. Delgreco (PI)S.A. Delgreco (PI)
• UCAR/Unidata Program CenterUCAR/Unidata Program Center– M. K. Ramamurthy (PI)M. K. Ramamurthy (PI)– W.J. WeberW.J. Weber
Project GoalProject Goal
……to provide the to provide the science communityscience community with ready with ready access to the vast archives and real-time access to the vast archives and real-time information collected by the national network of information collected by the national network of NEXRAD radarsNEXRAD radars..
The main focus is on radar-rainfall data for use The main focus is on radar-rainfall data for use in in hydrologyhydrology, , hydrometeorologyhydrometeorology, , and water and water resourcesresources. .
User/Client’s ViewUser/Client’s View
““Find all the 2002 storms over the Find all the 2002 storms over the Ralston Creek Ralston Creek watershedwatershed with with mean mean arealareal precipitationprecipitation greater than greater than X mmX mm, and with a , and with a spatial extent of spatial extent of more than Z kmmore than Z km22, with a , with a duration of less than duration of less than N hoursN hours. I want the data in . I want the data in GeoTIFFGeoTIFF””
User/Client
Program Library
Get data
Connect and query
Get URIs
HTTP
Data Archive
Metadata Archive
UI
Metadata Archive
UI
““Find all the 2002 storms over the Find all the 2002 storms over the Ralston Ralston Creek watershed Creek watershed with with mean arealmean areal precipitationprecipitation greater than greater than X mmX mm, and with a , and with a spatial extent of more than Z kmspatial extent of more than Z km22, with a , with a duration of less than N hoursduration of less than N hours. I want the . I want the data in data in GeoTIFFGeoTIFF””
Web Services(SOAP)
Interface OverviewInterface Overview
Interface OverviewInterface Overview
Interface OverviewInterface Overview
Map LayersMap Layers
Map LayersMap Layers
Domain SelectionDomain Selection
Drill DownDrill Down
Drill DownDrill Down
Drill DownDrill Down
GridsGrids
GridsGrids
Mark & Select BasinMark & Select Basin
Mark & Select BasinMark & Select Basin
Which Radar?Which Radar?
Which Radar?Which Radar?
Which Radar?Which Radar?
Select Output GridSelect Output Grid
Select DateSelect Date
Color-coded with metadata
Browse MetadataBrowse Metadata
Query MetadataQuery Metadata
Query MetadataQuery Metadata
Product SelectionProduct Selection
Product SelectionProduct Selection
Rainfall Estimation AlgorithmsRainfall Estimation Algorithms
Output FormatOutput Format
Ready To GoReady To Go
Ready To GoReady To Go
You Will Be Sent an e-mail When Job Is Done
Check On Job StatusCheck On Job Status
Compute Engine
Metadata Archive
CUAHSI HISData Archive
Unidata
Extreme Events
University A
Runoff Model
Data Archive
Metadata Archive
NCDC
Injects NEXRAD Data
University B
Internet
Request Request
Some StatisticsSome Statistics
• Total size of radar data: 130 TBTotal size of radar data: 130 TB• 8,492,580 files8,492,580 files• Mosaics 34559Mosaics 34559• Metadata Rows in Database:4,319,990Metadata Rows in Database:4,319,990• Radars: 33Radars: 33• Radar-years: 84:Radar-years: 84:
– For KMLB: 2 yearsFor KMLB: 2 years– KTLX: 9 yearsKTLX: 9 years– KDVN: 6 yearsKDVN: 6 years– KVTX: 2 yearsKVTX: 2 years
Thank You Thank You
A Comprehensive Framework A Comprehensive Framework for Use of NEXRAD Data in for Use of NEXRAD Data in
Hydrometeorology and Hydrometeorology and HydrologyHydrology
NSF Sponsored, Award ATM 0427422NSF Sponsored, Award ATM 0427422