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Basic foilset Web based Weather Prediction Analysis

Given by Scott Klasky at Rome Lab Quarterly Review for CIV on October 1 96. Foils prepared 22 February 97
Outside Index Summary of Material

Current Progress with Oklahoma Advanced Regional Prediction System (ARPS) code
Unidata System and Unidata working with prediction codes
Data Examples
What does the Unidata LDM do?
NPAC's system approach
NPAC's Java model and Java weather browser

Table of Contents for full HTML of Web based Weather Prediction Analysis

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1 Web based Weather Prediction Analyssis
2 Current Progress with Oklahoma Advanced Regional Prediction System (ARPS) code
3 Unidata
4 Unidata working with Prediction codes
5 Title of foil 5
6 What does the Unidata LDM do?
7 NPAC's model
8 NPAC's Java model
9 NPAC's Java weather browser

Outside Index Summary of Material

HTML version of Basic Foils prepared 22 February 97

Foil 1 Web based Weather Prediction Analyssis

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
Scott Klasky, Beongsoeb Ki
HTML version of Basic Foils prepared 22 February 97

Foil 2 Current Progress with Oklahoma Advanced Regional Prediction System (ARPS) code

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
Progress has been made in integrating evolution schemes in ARPS with the Web based terrain modeling.
  • Current work is to support VRML 2.0. We will supply the VRML browser with isosurfaces at each time step from ARPS.
We are currently working with Oklahoma to evolve winter time scenarios in ARPS.
  • D. Jahn is working on a thesis project to accomplish this project.
  • Currently the code is running on the T3D at the PSC.
HTML version of Basic Foils prepared 22 February 97

Foil 3 Unidata

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
Weather stations around the world report atmospheric temperature, pressure, winds, cloud cover, visibility, special weather conditions, and other observations.
These data are collected on a regular basis and made available from the National Weather Service (NWS) via the Domestic Data Service(DDS) and International Data Service (IDS). These are both part of the NWS Family of Services (FOS).
Through a subcontract with Alden Electronics, the DDS information is disseminated via the Unidata IDD.
HTML version of Basic Foils prepared 22 February 97

Foil 4 Unidata working with Prediction codes

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
In addition to the observations of surface and upper air conditions, the NWS
HTML version of Basic Foils prepared 22 February 97

Foil 5 Title of foil 5

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
HTML version of Basic Foils prepared 22 February 97

Foil 6 What does the Unidata LDM do?

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
The Unidata Local Data Manager (LDM) is a collection of cooperating programs that select, capture, manage, and distribute meteorological data products.
The system is designed for event-driven data distribution, and is currently used in the Unidata Internet Data Distribution (IDD) project.
The LDM system includes network client and server programs and their shared protocols.
An important characteristic of the LDM is its support for flexible and site-specific configuration.
HTML version of Basic Foils prepared 22 February 97

Foil 7 NPAC's model

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
One of the most important parts of weather data analysis is to obtain up-to-date weather reports from all over the world.
  • Weather is a highly non-linear global problem. This means that in order to make accurate reports on the weather we need to look at the weather all over the globe.
We are starting to use Unidata's LDM to capture the weather data from the NWS. We are also in the progress of enabling this system to capture weather information from ARPS.
  • The weather data will be stored on local disks, and will be put into an Oracle database, which NPAC has expertise in.
HTML version of Basic Foils prepared 22 February 97

Foil 8 NPAC's Java model

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
HTML version of Basic Foils prepared 22 February 97

Foil 9 NPAC's Java weather browser

From Web based Weather Prediction Analysis Rome Lab Quarterly Review for CIV -- October 1 96. *
Full HTML Index
We are currently working on a design which will allow us to visualize the weather data obtained from our LDM server, via Java.
We are providing such features as
  • Movies. We will store the data in particular regions, (defined in the Java server section), which we will be able to interactively play back.
  • 3D visualization. We have written a 3D marching cubes (isosurface) Java applet.
    • We will be able to concatenate various elevations of upper atmosphere weather soundings, into a 3D data set.
    • We will then filter this data set with our matching cubes algorithm, which will then generate a 3D surface in the VRML browser
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