Sponsored by the National Science Foundation

A New Approach for Using Web A New Approach for Using Web Services, Grids and Virtual Services, Grids and Virtual Organizations in Mesoscale Organizations in Mesoscale

MeteorologyMeteorology

We Live in a Highly Vulnerable We Live in a Highly Vulnerable World…World…

……That Requires AdaptationThat Requires Adaptation

Observing Systems Do Not Observing Systems Do Not Sample the Atmosphere Sample the Atmosphere

When/Where Needs are GreatestWhen/Where Needs are Greatest

Forecast Models Run Largely Forecast Models Run Largely on Fixed Schedules in Fixed on Fixed Schedules in Fixed

DomainsDomains

The Nation’s The Nation’s Cyberinfrastructure is Cyberinfrastructure is

Virtually StaticVirtually Static

We Teach Using Current Weather We Teach Using Current Weather Data But Students Don’t Data But Students Don’t InteractInteract

With ItWith It

Why is Meteorology the Why is Meteorology the Exception?Exception?

The LEAD VisionThe LEAD VisionRevolutionize the ability of scientists, students, Revolutionize the ability of scientists, students,

and operational practitioners to observe, and operational practitioners to observe, analyze, predict, understand, and respond to analyze, predict, understand, and respond to intense local weather by interacting with it intense local weather by interacting with it

dynamically and adaptivelydynamically and adaptively in real time in real time

Making it HappenMaking it Happen

Adaptive weather toolsAdaptive weather tools Adaptive sensorsAdaptive sensors Adaptive cyberinfrastructureAdaptive cyberinfrastructure

In a User-CenteredIn a User-CenteredFrameworkFramework

Where Where EverythingEverythingCanCan

Mutually InteractMutually Interact

How Does LEAD Do It? How Does LEAD Do It? The Notion of a Web ServiceThe Notion of a Web Service

Web Service: A Web Service: A program that carries program that carries out a specific set of out a specific set of operations based upon operations based upon requests from clientsrequests from clients

The LEAD architecture The LEAD architecture is a is a “Service Oriented “Service Oriented Architecture”Architecture” (SOA), (SOA), which means that all which means that all of the key functions of the key functions are represented as a are represented as a set of servicesset of services. .

The LEAD Service-Oriented The LEAD Service-Oriented ArchitectureArchitecture

Service A(Analysis)

Service B(Model)

Service C(Radar Stream)

Service D(Work Space)

Service E(VO Catalog)

Service F(Viz Engine)

Service G(Monitoring)

Service H(Scheduling)

Service I(Decoder)

Service J(Repository)

Service K(Mining)

Service L(Decoder)

Many others…

Service B(Model)

Service A(Analysis)

Service C(Radar Stream)

Service D(Work Space)

Service K(Mining)

Service L(Decoder)

Service J(Repository)

LEAD can Solve Broad Classes of ProblemsLEAD can Solve Broad Classes of Problemsby Linking Services Together in by Linking Services Together in WorkflowsWorkflows

A LEAD Weather Prediction Workflow

LEAD Data Query System

LEAD Visualization and Analysis

Unidata Users Workshop in Summer Unidata Users Workshop in Summer 20062006

“I spent days last summer learning how to install, configure, run and display output from the WRF

model. With LEAD, I was able to do virtually the same thing in part of an afternoon, and I needed far less

computer expertise to do it.”-Professor David Dempsey

San Francisco State University

Research to Operational Practice: Research to Operational Practice: NOAA Hazardous Weather Test NOAA Hazardous Weather Test

BedBed LEAD produced on-demand LEAD produced on-demand

forecasts for experimental forecasts for experimental evaluation by operational evaluation by operational forecasters at SPCforecasters at SPC– Fully automatedFully automated– Forecaster-initiatedForecaster-initiated

Mid-April – early June (severe Mid-April – early June (severe weather season) 2007, 2008weather season) 2007, 2008

Centers of On-Demand LEAD Forecast Grids Launched Centers of On-Demand LEAD Forecast Grids Launched During the 2007 Spring Experiment of the NOAA During the 2007 Spring Experiment of the NOAA

Hazardous Weather Test BedHazardous Weather Test Bed

Graphic Courtesy Jay Alameda and Al Rossi, NCSA

Launched automatically in response to hazardous weather messages (tornado watches, mesoscale discussions)

Launched based on forecaster guidance

Forecaster-Initiated PredictionsForecaster-Initiated Predictions

Brewster et al. (2008)

The Value of Adaptation: Forecaster-The Value of Adaptation: Forecaster-Initiated Predictions on 7 June 2007Initiated Predictions on 7 June 2007

Brewster et al. (2008)

Observed Composite Reflectivity

20 hr Pre-ScheduledWRF-ARF

5 hr LEAD Dynamic WRF-ARF With Radar

Data Assimilation

Adaptive Observing Adaptive Observing TechnologiesTechnologies

Other LEAD-Related ActivitiesOther LEAD-Related Activities

The Future of LEADThe Future of LEAD 5-year NSF base funding ended in fall 2008 5-year NSF base funding ended in fall 2008

– Now in a 1-year no-cost extensionNow in a 1-year no-cost extension NSF support being sought to keep basic LEAD services going NSF support being sought to keep basic LEAD services going

through fall, 2009through fall, 2009 Proposal now being developed to support long-term Proposal now being developed to support long-term

deployment as community facilitydeployment as community facility– Must increase community familiarity with LEAD to make the caseMust increase community familiarity with LEAD to make the case