<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2026-06-09T16:36:00Z" status="active" updated="2026-06-12T09:51:50Z" xmlns:g-colstat="http://dc.g-vo.org/ColStats-1" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://dc.g-vo.org/ColStats-1 http://vo.ari.uni-heidelberg.de/docs/schemata/Colstats.xsd http://www.ivoa.net/xml/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogResource"><title>SIDC categorical geomagnetic forecast</title><shortName>sidc_categorical</shortName><identifier>ivo://ksb-orb.dc/sidc_categorical_geomagnetic_forecast/q/epn_core</identifier><curation><publisher>SIDC: Solar Influences Data analysis Center</publisher><creator><name>SIDC: Solar Influences Data analysis Center</name></creator><date role="Updated">2026-06-12T09:52:52Z</date><contact><name>SIDC: Solar Influences Data analysis Center</name><address>Royal Observatory of Belgium, Avenue circulaire 3, 1180 Bruxelles,
BELGIQUE</address><email>sidc-support@oma.be</email></contact></curation><content><subject>the-sun</subject><subject>solar-atmosphere</subject><subject>solar-physics</subject><subject>solar-system-astronomy</subject><description>Categorical geomagnetic forecast</description><referenceURL>https://vo-tap.oma.be/tableinfo/sidc_categorical_geomagnetic_forecast.epn_core</referenceURL><contentLevel>General</contentLevel><contentLevel>University</contentLevel><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://ksb-orb.dc/tap">ROB Virtual Observatory Data Center TAP service</relatedResource></relationship></content><tableset><schema><name>sidc_categorical_geomagnetic_forecast</name><title>SIDC categorical geomagnetic forecast</title><description> *** SIDC categorical geomagnetic forecast *** This service provides
categorical geomagnetic forecasts, as evaluated by the SIDC forecaster
on duty.</description><table><name>sidc_categorical_geomagnetic_forecast.epn_core</name><description>Categorical geomagnetic forecast</description><column><name>granule_uid</name><description>Unique identifier for the geomagnetic impact forecast.</description><ucd>meta.id</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>primary</flag></column><column><name>forecast_date</name><description>(jd) Date of the geomagnetic forecast.</description><unit>d</unit><ucd>time</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>explanation</name><description>Categorical forecast for a geomagnetic activity, on forecast_date (12:00 UTC of current day plus 24 hours).</description><ucd>meta.note</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>forecast_value</name><description>Integer corresponding to the geomagnetic forecast category in ISES coded message (0: [A&lt;20 and K&lt;4], 1: [A&gt;=20 or K=4], 2: [A&gt;=30 or K=5], 3: [A&gt;=50 or K=6], 4: [A&gt;=100 or K&gt;=7]) or '/' if no forecast is given.</description><ucd>meta.code.class</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column></table></schema></tableset></ri:Resource>