Diana and Tseries An Open Source Production and Visualisation - - PowerPoint PPT Presentation

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Diana and Tseries An Open Source Production and Visualisation - - PowerPoint PPT Presentation

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Diana and Tseries An Open Source Production and Visualisation Package Lisbeth Bergholt Baltmet meeting, 28 th March 2007 Outline Diana and Tseries A production and visualisation package Open Source GPL license Where are

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Diana and Tseries

An Open Source Production and Visualisation Package

Lisbeth Bergholt Baltmet meeting, 28th March 2007

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Norwegian Meteorological Institute met.no

Outline

  • Diana and Tseries

– A production and visualisation package

  • Open Source

– GPL license

  • Where are Diana and Tseries used today?
  • Current developments
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Norwegian Meteorological Institute met.no

Diana and Tseries

  • Production and Visualisation Package
  • Developed at the Norwegian

Meteorological Institute, met.no

  • Used operationally since 2001
  • Also used by researchers
  • Released as open source (GPL license)

May 2006

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Norwegian Meteorological Institute met.no

Diana

Visualisation

  • Fields
  • Satellite and radar

images

  • Surface observations
  • Soundings
  • Cross Sections
  • Trajectories in

isosurfaces

  • Forecast products
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Norwegian Meteorological Institute met.no

Fields

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Norwegian Meteorological Institute met.no

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Norwegian Meteorological Institute met.no

Satellite images

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Norwegian Meteorological Institute met.no

Radar images

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Norwegian Meteorological Institute met.no

Vertical profiles and Crossection Preprocessed (yet)

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Norwegian Meteorological Institute met.no

DIANA Interactive tools

 Field modification  Drawing of fronts,

weather symbols, etc.

 Data visualisation is

fully available

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Norwegian Meteorological Institute met.no

MSLP and Front Analysis

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Norwegian Meteorological Institute met.no

Significant weather Polar low

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Norwegian Meteorological Institute met.no

Diana and Tseries

  • Tailored for operational use in a forecasting

environment

  • Small development crew in close cooperation

with forecasters

  • Fast development cycle - monthly updates
  • Flexible user interface
  • Batch production
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Norwegian Meteorological Institute met.no

Visualisation model

2D map

Taf monitoring Time series editing Text editing Point verification Time series

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Norwegian Meteorological Institute met.no

Tseries

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Norwegian Meteorological Institute met.no

Forecast production

 Directly on map  In separate table editor  Climate and verification

information available for each point

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Norwegian Meteorological Institute met.no

MODFLY

  • DIANA

TAF editor/monitor

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Norwegian Meteorological Institute met.no

TEXT FORECAST

Text editor for weather forecasts

– recognizing areas and time period. – Text for time/areas saved separately for reuse

Translation, meteorological

dictionary

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Norwegian Meteorological Institute met.no

The GPL license gives you:

  • The freedom to run the program, for any

purpose

  • The freedom to study how the program

works, and adapt it to your needs

  • The freedom to redistribute copies
  • The freedom to improve the program, and

release your improvements to the public

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Norwegian Meteorological Institute met.no

The GPL license do not allow you to:

  • Redistribute the program, or any

modifications to it, under an other license

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Norwegian Meteorological Institute met.no

Download Diana?

  • Available under the GPL-license
  • Available from

– http://diana.met.no – https://svn.met.no/diana

Questions: E-mail: diana@met.no

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Norwegian Meteorological Institute met.no

Data formats

Open/standard formats

 Observations: Bufr  Fields: NetCDF

– Possible to convert from Grib to NetCDF Internal met.no formats

 Satellite and Radar: miTiff

– Tiff with a geographical header

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Norwegian Meteorological Institute met.no

Where is Diana used/planned to be used

  • Norway

– The Norwegian Water Resources and Energy Directorate (NVE) – Norwegian Geotechnical Institute (NGI) – University of Bergen – University of Oslo – Storm Weather Center (Commercial weather services)

  • Sweden (Agreement)
  • Latvia (MoU)
  • Estonia (Hirlam and bufr obs)
  • Lots of other contacts, status unknown
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Norwegian Meteorological Institute met.no

Current development

  • Make it easier to install Diana
  • More standard formats

– Reading from WDB (dataBase)

  • Improved field editing
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Norwegian Meteorological Institute met.no

WDB - Weather and Water Database

  • Decode and store meteorological and
  • ceanographic forecast fields
  • Flexible retrieval interface
  • WDB is developed by met.no and SMHI
  • Open source system

– based on the PostgreSQL relational database

  • More informations and downloads

– http://wdb.met.no/

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Norwegian Meteorological Institute met.no

Field corrections

  • A part of Diana
  • Corrections realized through

reusable and traceable entities

  • Selection of affected area
  • Algorithm and GUI defined

using script language

  • Instant visualization of changes
  • Spacial smoothing
  • Topographic and land/sea

masking

  • Interpolation in time
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Norwegian Meteorological Institute met.no

Summary

  • Diana, Tseries and WDB are free to use,

available under the GPL license

  • We hope that other institutions will use

these programs and contribute to the further development