AHPS Advanced Hydrologic Prediction Service POTENTIAL ... · AHPS COMMON SUITE OF PRODUCTS 1....
Transcript of AHPS Advanced Hydrologic Prediction Service POTENTIAL ... · AHPS COMMON SUITE OF PRODUCTS 1....
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AHPSAdvanced Hydrologic Prediction ServicePOTENTIAL PRODUCTS AND SERVICES
HIC/MIC ConferenceJune 10-13, 2002Salt Lake City
Dave Brandon – HICColorado Basin River Forecast Center
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AHPSESP- Ensemble Streamflow Prediction Based On Probability & Statistics
“The importance of a statistical average?”
“ Then there is the man who drowned crossing a stream with an average depth of six inches. ”-- W.I.E. Gates
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Probability
“It is a truth very certain, when it is notin our power to determine what is precise,we ought to follow what is most probable.”
Variation on a quote by:-Rene Descartes
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AHPSPOTENTIAL PRODUCTS AND SERVICES
1. Common Suite of Products
2. Customized User Products Build Their Own From ESPADP
3. Futuristic Products Built From the Database
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AHPSCOMMON SUITE OF PRODUCTS
1. Prototype/Proposal by the Central Region
Deterministic Stage and Forecast Hydrograph Probabilistic Forecasts - Text and Graphic (Examples will be shown on following slides)
RFCs can add local enhancements in addition to a common suite of products.
2. Details yet to be determined by National Team ( Gregg Rishel )
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AHPSCOMMON SUITE OF PRODUCTS
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AHPS
CUSTOMIZED USER PRODUCTS
1. Thousands of Potential Combinations10 Data Types3 Model Sources5 Probability Distributions4 Weighting Schemes4 Data Intervals4 Plot Options3 Table Options
2. Provide Users Ability to Produce Customized Forecasts/Presentations
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AHPS
BUILD YOUR OWN AHPS/ESP PRODUCT
Developed by Steve Shumate-DOH
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Compute StatisticsFrom Traces in theWindow
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TEXT OUTPUT
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AHPSFUTURISTIC PRODUCTS AND SERVICES
1. Store Component Pieces of an ESP ForecastIn a Relational Database in Lieu of Images
2. Pull Pieces out and Create New Products
( Examples will follow)
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AHPSEXAMPLE 1: FUTURE PRODUCT
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AHPSEXAMPLE 2: FUTURE PRODUCT
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AHPSEXAMPLE 3: FUTURE PRODUCT
FORECAST CONFIDENCE LEVEL
H M L
Canned ExampleShort Term Probabilistic Forecasts50% Exceedence Level25% & 75% Exceedance Levels10% % 90% Exceedance Levels
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Status of Improved CooperationBetween the RFC and WFO
Indicative of the following quote:
“We love you guys (CBRFC)!”-- Lawrence Dunn