Overview
The Arctic oscillation (AO) or Northern Annular Mode/Northern Hemisphere Annular Mode (NAM) is an index of the dominant pattern of non-seasonal sea-level pressure variations north of 20N latitude. Montly values are availible at http://www.cpc.ncep.noaa.gov/products/precip/CWlink/daily_ao_index/monthly.ao.index.b50.current.ascii.table . These values can be imported from a local file or directly from the website.
For more information see: http://en.wikipedia.org/wiki/Arctic_oscillation
Configuration (Example)
ModuleConfigFiles
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<?xml version="1.0" encoding="UTF-8"?>
<timeSeriesImportRun xmlns="http://www.wldelft.nl/fews" xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance
xsi:schemaLocation="http://www.wldelft.nl/fews http://fews.wldelft.nl/schemas/version1.0/timeSeriesImportRun.xsd">
<import>
<general>
<importType>AoClimateIndex</importType>
<serverUrl>http://www.cpc.ncep.noaa.gov/products/precip/CWlink/daily_ao_index/monthly.ao.index.b50.current.ascii.table </serverUrl>
<idMapId>ImportAO</idMapId>
<unitConversionsId>ImportUnitConversions</unitConversionsId>
<missingValue>-99.99</missingValue>
<importTimeZone>
<timeZoneOffset>+00:00</timeZoneOffset>
</importTimeZone>
</general>
<timeSeriesSet>
<moduleInstanceId>ImportPDO</moduleInstanceId>
<valueType>scalar</valueType>
<parameterId>Index.AO</parameterId>
<locationId>Climate_Index</locationId>
<timeSeriesType>external historical</timeSeriesType>
<timeStep unit="month"/>
<readWriteMode>add originals</readWriteMode>
<synchLevel>4</synchLevel>
<expiryTime unit="year" multiplier="100"/>
</timeSeriesSet>
</import>
</timeSeriesImportRun>
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| xml |
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| xml |
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title | ImportAO.xml (local file) |
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<?xml version="1.0" encoding="UTF-8"?>
<timeSeriesImportRun xmlns="http://www.wldelft.nl/fews" xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance
xsi:schemaLocation="http://www.wldelft.nl/fews http://fews.wldelft.nl/schemas/version1.0/timeSeriesImportRun.xsd">
<import>
<general>
<importType>AoClimateIndex</importType>
<folder>$IMPORT_AO_FOLDER$</folder>
...
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IdMapFiles
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<?xml version="1.0" encoding="UTF-8"?>
<idMap xmlns="http://www.wldelft.nl/fews" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.wldelft.nl/fews http://fews.wldelft.nl/schemas/version1.0/idMap.xsd" version="1.1">
<map internalParameter="Index.AO" externalParameter="Index.AO" internalLocation="Climate_Index" externalLocation="Climate_Index"/>
</idMap>
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The Climate_Index location is a placeholder since the index does not have different values for different locations.