Haleh KootvalChief, Public Weather Services

WMO

Geneva 23 April 2013

The International Register of

Alerting Authorities

23 April 2013 The International Register of Alerting Authorities 2

Outline What is the international

Register of Alerting Authorities? Why is the Register necessary? What are the key features

of the Register? How are the Register entries

maintained? What is in the Register now?

23 April 2013 The International Register of Alerting Authorities 3

Established by WMO (Public Weather Services) and ITU-T (using the OID register)

Identifies officially recognized alerting authorities, designated by WMO Members

Register has categories of alert messages, plus URL's for forecasts and CAP messages

Users of alert messages and others can subscribe to a news feed to stay current with any changes to the Register

What is the International Register of Alerting Authorities?

23 April 2013 The International Register of Alerting Authorities 4

Developed for WMO PWS Members identify their officially recognized alerting

authorities for all types of hazards Register has categories of alert messages, plus

URL's for forecasts and CAP messages Aggregators of alert messages and others can

subscribe to a news feed to stay current with any changes to the register

http://www-db.wmo.int/alerting/authorities.html

The WMO Register of Alerting Authorities

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Why is the Register necessary?

Aggregators and other intermediaries typically lack direct knowledge needed to distinguish an authoritative source of alert messages

This lack becomes more critical as alerting makes more use of large public networks

The Register of Alerting Authorities is a tool to address this gap

Each Register entry indicates a particular source of alert messages designated by a WMO Member as authoritative, for particular categories of hazards over a particular area

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What are the key features of the Register?

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23 April 2013 The International Register of Alerting Authorities 8

The Register

itself is linked to the

ISO/ITU OID Tree

http:/www.oid-info.com/get/2.49.0

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Register

entries are

typically linked

to a nation

http:/www.oid-info.com/get/2.49.0.0

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U.S. entry in the OID tree links back to the WMO

register

http:/www.oid-info.com/get/2.49.0.0.840

link to US entry in the Register

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http://www.wmo.int/pages/prog/amp/pwsp/documents/AIR_PWS-20.pdf

Administrative Procedure for Registering WMO Alerting Identifiers

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RSS Feed for Changes in Registered Authoritieshttp://www-db.wmo.int/alerting/rss.xml

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View Source

of RSS Feed

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How are the Register entries maintained? WMO letter to all PRs in 2009 describing

the Register; recent follow-up letter PRs were requested to designate an editor to

maintain Register records for the Member’s alerting authorities

The designated editor is approved by WMO/PWS and selects a password

Each editor maintains Register entries on behalf of the Member

The Register application is being redeveloped to operate at Hong Kong Observatory and will be backed up by South Africa Weather Service

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What is in the Register Now? The Register holds at least one alerting

authority for each of the 191 WMO Members

There are 231 separate alerting authorities in the Register

About half of the WMO Members have officially designated one or more editors (over 100 editors currently)

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Thank You

URL for WMO Register of Alerting Authorities

http://www.wmo.int/alertingorg